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W1_Programming_Qs.1

Due on 2023-08-10, 23:59 IST

Consider the following program. Fill in the blanks as per the instructions given below:

• at LINE-1 with stack declaration,

• at LINE-2 to push values into stack,

• at LINE-3 with appropriate statement

such that it will satisfy the given test cases.

Your last recorded submission was on 2023-07-23, 18:53 IST

Select the Language for this assignment.

#include<iostream>
#include<cstring>
#include<stack>
using namespace std;
​
​
int main() {
    char str[20];
    char ch;
    cin >> str;

stack<char>s ; //LINE-1
​
    for(int i = 0; i < strlen(str); i+=2)
        s.push(str[i]); //LINE-2
​
    int len = s.size();
​
    for(int i = 0; i < len; i++) {
​
        ch = s.top();  //LINE-3

cout << ch;
​
        s.pop();
    }
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

This assignment has Public Test cases. Please click on "Compile & Run" button to see the status of Public test cases. Assignment will be evaluated only after submitting using Submit button below. If you only save as or compile and run the Program , your assignment will not be graded and you will not see your score after the deadline.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	computer	eumc	eumc	Passed
Test Case 2	programming	gimrop	gimrop	Passed

Private Test cases used for Evaluation	Status
Test Case 1	Passed

W1_Programming_Qs.2

Due on 2023-08-10, 23:59 IST

Consider the following program. Fill in the blanks as per the instructions given below.

• at LINE-1 with appropriate header statement,

• at LINE-2 with appropriate statement to calculate Euclidean distance

such that it will satisfy the given test cases.

Your last recorded submission was on 2023-07-23, 19:07 IST

Select the Language for this assignment.

#include <iostream>
#include <cmath>     //LINE-1 
​
using namespace std;
​
struct point{
    int x, y;
};
​
double get_len(point p1, point p2){
    return sqrt((p1.x-p2.x)*(p1.x-p2.x) + (p1.y-p2.y)*(p1.y-p2.y)) ;    //LINE-2
}

int main() { 
    int x1, y1, x2, y2;
    cin >> x1 >> y1 >> x2 >> y2;
    point p1, p2;
    p1.x = x1;
    p1.y = y1;
    p2.x = x2;
    p2.y = y2;
    cout << round(get_len(p1, p2));
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	4 3 6 9	6	6	Passed
Test Case 2	2 5 3 9	4	4	Passed

Private Test cases used for Evaluation	Status
Test Case 1	Passed

W1_Programming_Qs.3

Due on 2023-08-10, 23:59 IST

Consider the following program. Fill in the blanks as per the instructions given below:

• at LINE-1 with appropriate function header,

• at LINE-2 with appropriate return statement

such that it will satisfy the given test cases.

Your last recorded submission was on 2023-07-23, 19:08 IST

Select the Language for this assignment.

#include <iostream>
#include <algorithm>
using namespace std;
​
​
​
bool max_str(string c1, string c2) {    //LINE-1
​
    return c1 > c2;            //LINE-2
}

int main() {
    std::string words[3], word;
    for(int i = 0; i < 3; i++){
        cin >> word;
        words[i] = word;
    }
    sort(words, words + 3, max_str);
    for (int i = 0; i < 3; i++)
        cout << words[i] << " ";
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	hello hi bye	hi hello bye	hi hello bye	Passed after ignoring Presentation Error
Test Case 2	soumen arup himadri	soumen himadri arup	soumen himadri arup	Passed after ignoring Presentation Error

Private Test cases used for Evaluation	Status
Test Case 1	Passed

W2_Programming_Qs.1

Due on 2023-08-10, 23:59 IST

Consider the following program. Fill in the blanks as per the instructions given below:

• at LINE-1 with function header

such that it will satisfy the given test cases.

Your last recorded submission was on 2023-07-30, 13:23 IST

Select the Language for this assignment.

#include <iostream>
using namespace std;
​
void print(int a, int b=0) { // LINE-1
​
    int r = b + a;
​
    cout << r;
}

int main() {
​
    int a, b;
​
    cin >> a >> b;
​
    if (b < 0)
        print(a);
    else
        print(a,b);
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	2 3	5	5	Passed
Test Case 2	8 -2	8	8	Passed

Private Test cases used for Evaluation	Status
Test Case 1	Passed

W2_Programming_Qs.2

Due on 2023-08-10, 23:59 IST

Consider the following program. Fill in the blanks as per the instructions given below.

• at LINE-1 with appropriate function parameter,

• at LINE-2 with appropriate statement

such that it will satisfy the given test cases.

Your last recorded submission was on 2023-07-30, 13:24 IST

Select the Language for this assignment.

#include <iostream>
using namespace std;
​
int Fun(int& x) { // LINE-1
​
    x = x*x; // LINE-2
​
    return x;
}

int main() {
    int x, y;
    cin >> x;
    y = Fun(x);
    cout << x << " " << y;
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	4	16 16	16 16	Passed
Test Case 2	2	4 4	4 4	Passed

Private Test cases used for Evaluation	Status
Test Case 1	Passed

W2_Programming_Qs.3

Due on 2023-08-10, 23:59 IST

Consider the following program. Fill in the blanks as per the instructions given below:

• at LINE-1 with appropriate function header,

• at LINE-2 with appropriate return statement

such that it will satisfy the given test cases.

Your last recorded submission was on 2023-07-30, 13:24 IST

Select the Language for this assignment.

#include <iostream>
using namespace std;
struct point {
    int x, y;
};
point operator+ ( point& pt1, point& pt2) { //LINE-1
​
    pt1.x += pt2.x;
    pt1.y += pt2.y;
​
    return pt1;    //LINE-2
}

int main() {
    int a, b, c, d;
    cin >> a >> b >> c >> d;
    point p1 = {a, b};
    point p2 = {c, d};
    point np = p1 + p2;
    cout << "(" << p1.x << ", " << p1.y << ")" << "(" << np.x << ", " << np.y << ")";
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	1 2 3 4	(4, 6)(4, 6)	(4, 6)(4, 6)	Passed
Test Case 2	2 4 6 8	(8, 12)(8, 12)	(8, 12)(8, 12)	Passed

Private Test cases used for Evaluation	Status
Test Case 1	Passed

W3_Programming_Qs.1

Due on 2023-08-17, 23:59 IST

Consider the following program. Fill in the blanks as per the instructions given below:

• Complete two constructor statements at LINE-1 and LINE-2,

• Complete the return statement at LINE-3 to calculate the manhattan distance between two points,

such that it will satisfy the given test cases.

Your last recorded submission was on 2023-08-08, 22:30 IST

Select the Language for this assignment.

#include<iostream>
#include<cmath>
using namespace std;
​
class Point{
    const int x,y;
​
public:
    Point(int _x=0, int _y=0) : x(_x), y(_y) {} //LINE-1
​
    Point(const Point& p) : x(p.x), y(p.y) {} //LINE-2
​
    double distance(Point p){
​
        return abs((p.x-x)) + abs((p.y - y)) ; //LINE-3
    }

void print(){ cout << "(" << x << "," << y << ")" << endl; }
​
};
​
int main(){
    int x1,x2,y1,y2;
    cin >> x1 >> y1 >> x2 >> y2;
​
    Point p1(x1,y1), p2(x2,y2);
    p1.print();
​
    p2.print();
    cout << "Distance: " << p1.distance(p2);
​
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	1 2 3 4	(1,2)\n (3,4)\n Distance: 4	(1,2)\n (3,4)\n Distance: 4	Passed
Test Case 2	1 -1 2 -2	(1,-1)\n (2,-2)\n Distance: 2	(1,-1)\n (2,-2)\n Distance: 2	Passed

Private Test cases used for Evaluation	Status
Test Case 1	Passed

W3_Programming_Qs.2

Due on 2023-08-17, 23:59 IST

Consider the following program. Fill in the blanks as per the instructions given below.

• at LINE-1 with constructor definition,

• at LINE-2 with appropriate statement to deallocate array memory

such that it will satisfy the given test cases.

Your last recorded submission was on 2023-08-08, 22:31 IST

Select the Language for this assignment.

#include<iostream>
using namespace std;
​
class Array{
    int *arr;
    int size;
​
public:
    Array(int n) : size(n) { arr = new int[n]; } //LINE-1
​
    ~Array(){ delete arr; } //LINE-2

void Enter(){
        for(int i=0;i<size;i++)
            cin >> arr[i];
    }
    void FindMin(){
        int min = 999;
        for(int i=0;i<size;i++){
            if(min > arr[i])
                min = arr[i];
        }
        cout << "Min: " << min;
    }
};
int main(){
    int n;
    cin >> n;
    Array a(n);
    a.Enter();
    a.FindMin();
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	4 1 3 5 8	Min: 1	Min: 1	Passed
Test Case 2	3 7 3 9	Min: 3	Min: 3	Passed

Private Test cases used for Evaluation	Status
Test Case 1	Passed

W3_Programming_Qs.3

Due on 2023-08-17, 23:59 IST

Consider the following program. Fill in the blanks at LINE-1, LINE-2 and LINE-3 with

appropriate keywords such that it will satisfy the given test cases.

Your last recorded submission was on 2023-08-08, 22:31 IST

Select the Language for this assignment.

#include<iostream>
using namespace std;
class Student{
    const int sid;
    string sname;
​
    mutable int marks; //LINE-1
​
    public:
        Student(int a, string b, int c) : sid(a), sname(b), marks(c) {}
​
        void updateMarks(int x) const { marks += x; } //LINE-2
​
        void print() const {    //LINE-3

cout << sid << " : " << sname << " : " << marks; 
        } 
};
​
int main(){
    string n;
    int i, m, u;
    cin >> i >> n >> m >> u;
    const Student s1(i, n, m);
    s1.updateMarks(u);
    s1.print();
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	1 Raj 36 5	1 : Raj : 41	1 : Raj : 41	Passed
Test Case 2	2 Amal 48 20	2 : Amal : 68	2 : Amal : 68	Passed

Private Test cases used for Evaluation	Status
Test Case 1	Passed

W4_Programming_Qs.1

Due on 2023-08-24, 23:59 IST

Consider the following program. Fill in the blanks as per the instructions given below:

• Complete the variable declaration at LINE-1,

• Complete the function prototype at LINE-2 and LINE-3 with appropriate keywords

such that it will satisfy the given test cases.

Your last recorded submission was on 2023-08-12, 22:41 IST

Select the Language for this assignment.

#include<iostream>
using namespace std;
class Employee{
    const int id;
    string name;
    mutable int salary; //LINE-1
​
    public:
        Employee(int a, string b, int c) : id(a), name(b), salary(c) {}
​
        void updateSal(int x) const{ salary += x; } //LINE-2
​
        void print() const{ cout << id << " : " << name << " : " << salary; } //LINE-3
};

int main(){
    string n;
    int i, m, u;
    cin >> i >> n >> m >> u;
    const Employee e1(i, n, m);
    e1.updateSal(u);
    e1.print();
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	1 Raj 10000 1000	1 : Raj : 11000	1 : Raj : 11000	Passed
Test Case 2	2 Zakir 50000 5000	2 : Zakir : 55000	2 : Zakir : 55000	Passed

Private Test cases used for Evaluation	Status
Test Case 1	Passed

W4_Programming_Qs.2

Due on 2023-08-24, 23:59 IST

Consider the following program. Fill in the blanks as per the instructions given below.

• at LINE-1 with appropriate forward declaration,

• at LINE-2 with appropriate statement

such that it will satisfy the given test cases

Your last recorded submission was on 2023-08-12, 22:42 IST

Select the Language for this assignment.

#include<iostream>
using namespace std;
​
class B; //LINE-1
class A{
    int a_ = 0;
    public:
        A(int x) : a_(x) {}
        int mulB (B&);
        int subtractB (B&);
};
class B{
    int b_;
    public:
        B(int y) : b_(y) {  }
​
        friend class A; //LINE-2
};

int A::mulB(B &b) {
    return (a_ * b.b_);
}
int A::subtractB(B &b) {
    return (a_ - b.b_);
}
int main(){
    int x, y;
    cin >> x >> y;
    A t1(x);
    B t2(y);
    cout << t1.mulB(t2) << " " << t1.subtractB(t2);
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	3 4	12 -1	12 -1	Passed
Test Case 2	2 7	14 -5	14 -5	Passed

Private Test cases used for Evaluation	Status
Test Case 1	Passed

W4_Programming_Qs.3

Due on 2023-08-24, 23:59 IST

Consider the following program. Fill in the blanks at LINE-1, LINE-2 and LINE-3 with appropriate statements such that it will satisfy the given test cases.

Your last recorded submission was on 2023-08-12, 22:43 IST

Select the Language for this assignment.

#include<iostream>
using namespace std;
class Singleton{
    int data;
    static Singleton *ins;                  //LINE-1
    Singleton(int i) : data(i) {}
    public:
        int get(){ return data; }
        static Singleton* createIns(int i){      //LINE-2
            if(!ins)
                ins = new Singleton(i);    //LINE-3
            return ins;
        }
        ~Singleton(){ cout << data; }
};

Singleton *Singleton::ins = 0;
void fun(int x){
    Singleton *s = Singleton::createIns(x+5);
    cout << s->get();
}
int main(){
    int i, j;
    cin >> i >> j;
    Singleton *s = Singleton::createIns(i);
    cout << s->get();
    fun(j);
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	1 2	11	11	Passed
Test Case 2	2 3	22	22	Passed

Private Test cases used for Evaluation	Status
Test Case 1	Passed

W5_Programming_Qs.1

Due on 2023-08-31, 23:59 IST

Consider the following program. Fill in the blanks as per the instructions given below:

• Complete the inheritance statement at LINE-1,

• Complete the return statement at LINE-2 and LINE-3 to calculate the volume and surface

area of a cube,

such that it will satisfy the given test cases.

Your last recorded submission was on 2023-08-22, 14:30 IST

Select the Language for this assignment.

#include <iostream>
using namespace std;
class Volume {
    public:
        double getValue(int a) { return (a * a * a); }
};
class SurfaceArea {
    public:
        double getValue(int a) { return 6 * a * a; }
};

class Cube : public Volume, public SurfaceArea { //LINE-1
    int _a;
​
    public:
        Cube(int a) : _a(a) { }
​
        double getVolume() { return Volume::getValue(_a); } //LINE-2
​
        double getSurfaceArea() { return SurfaceArea::getValue(_a) ; } //LINE-3
};

int main() {
    int a;
    cin >> a;
    Cube c(a);
    cout << c.getVolume() << ", " << c.getSurfaceArea();
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	4	64, 96	64, 96	Passed
Test Case 2	3	27, 54	27, 54	Passed

W5_Programming_Qs.2

Due on 2023-08-31, 23:59 IST

Consider the following program. Fill in the blanks as per the instructions given below.

• at LINE-1 with appropriate keyword,

• at LINE-2 and LINE-3 with appropriate constructor statements

such that it will satisfy the given test cases.

Your last recorded submission was on 2023-08-22, 14:31 IST

Select the Language for this assignment.

#include <iostream>
using namespace std;
class Vehicle{
    string vehicleName;
    int noOfWheels;
    protected:
        Vehicle(string s, int w) : vehicleName(s), noOfWheels(w) { }
    public:
        friend void vehicleDetails(const Vehicle&); //LINE-1
};
class Twowheeler : public Vehicle{
    public:
        Twowheeler(string n) : Vehicle(n,2) { } //LINE-2
};
class Fourwheeler : public Vehicle{
    public:
        Fourwheeler(string n) : Vehicle(n,4) { } //Line-3
};

void vehicleDetails(const Vehicle &v){
    cout << v.vehicleName << ": ";
    if(v.noOfWheels == 2)
        cout << "Two Wheeler";
    else if(v.noOfWheels == 4)
        cout << "Four Wheeler";
}
int main(){
    string s;
    int n;
    Vehicle *v;
    cin >> s >> n;
    if(n==2)
        v = new Twowheeler(s);
    else if(n==4)
        v = new Fourwheeler(s);
    vehicleDetails(*v);
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	Bus 4	Bus: Four Wheeler	Bus: Four Wheeler	Passed
Test Case 2	Bike 2	Bike: Two Wheeler	Bike: Two Wheeler	Passed

W5_Programming_Qs.3

Due on 2023-08-31, 23:59 IST

Consider the following program. Fill in the blanks as per the instructions given below.

• at LINE-1 with appropriate inheritance statement,

• at LINE-2 with appropriate constructor statement

such that it will satisfy the given test cases.

Your last recorded submission was on 2023-08-22, 14:26 IST

Select the Language for this assignment.

#include<iostream>
using namespace std;
class B1{
    protected:
        int b1;
    public:
        B1(int b) : b1(b){}
};
class B2{
    protected:
        int b2;
    public:
        B2(int b) : b2(b){}
};

class D : public B1, public B2 { //LINE-1
​
    int d;
​
public:
​
    D(int x) : d(x), B1(x+5), B2(x+10) {} //LINE-2

void show(){
        cout << d << ", " << b1 << ", " << b2;
    }
};
int main(){
    int x;
    cin >> x;
    D t1(x);
    t1.show();
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	1	1, 6, 11	1, 6, 11	Passed
Test Case 2	5	5, 10, 15	5, 10, 15	Passed

Private Test cases used for Evaluation	Status
Test Case 1	Passed

W6_Programming_Qs.1

Due on 2023-09-07, 23:59 IST

Consider the following program. Fill in the blanks as per the instructions given below:

• Complete the destructor statement,

• Complete the constructor statement,

such that it will satisfy the given test cases

Your last recorded submission was on 2023-08-27, 10:38 IST

Select the Language for this assignment.

#include<iostream>
using namespace std;
class B{
public:
    B(){ cout << "1 "; }
    B(double n){ cout << n << " "; }
​
    virtual ~B(); //LINE-1
};
​
class D : public B{
public:
​
    D(double n) : B(n)     //LINE-2

{ cout << n * 3 << " "; } 
    D(){ cout << "3 "; }
    virtual ~D(){ cout << "4 "; }
};
B::~B(){ cout << "2"; }
int main(){
    int i;
    cin >> i;
    B *pt = new D(i);
    delete pt;
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	4	4 12 4 2	4 12 4 2	Passed
Test Case 2	2	2 6 4 2	2 6 4 2	Passed

W6_Programming_Qs.2

Due on 2023-09-07, 23:59 IST

Consider the following program. Fill in the blanks as per the instructions given below.

• at LINE-1, define fun as pure abstract function,

• at LINE-2, complete constructor definition,

• at LINE-3, complete constructor definition,

such that it will satisfy the given test cases.

Your last recorded submission was on 2023-08-27, 10:39 IST

Select the Language for this assignment.

#include<iostream>
using namespace std;
class Test{
public:
    virtual void fun()=0; //Line-1 
};
class ReTest1 : public Test{
    int d1;
public:
    ReTest1(int n) : d1(n*2){ } //Line-2
    void fun();
};
class ReTest2 : public Test{
    int d2;
public:
    ReTest2(int n) : d2(n*3){ } //Line-3
    void fun(){
        cout << d2;    // copy this line also
    }
};

void ReTest1::fun(){
    cout << d1 << " ";
}
int main(){
    int i;
    cin>>i;
    Test *t1 = new ReTest1(i);
    Test *t2 = new ReTest2(i);
    t1->fun();
    t2->fun();
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	2	4 6	4 6	Passed
Test Case 2	3	6 9	6 9	Passed

W6_Programming_Qs.3

Due on 2023-09-07, 23:59 IST

Consider the following program. Fill in the blanks as per the instructions given below.

• at LINE-1, declare the function show() as pure virtual function,

• at LINE-2, with appropriate function call,

• at LINE-3, with appropriate function header,

such that it will satisfy the given test cases.

Your last recorded submission was on 2023-08-27, 10:40 IST

Select the Language for this assignment.

#include <iostream>
using namespace std;
class shape{
protected:
    int a,b;
    shape(int x, int y) : a(x), b(y) {}
public:
    virtual void show()=0;    //LINE-1
};
class triangle : public shape{
public:
    triangle(int x, int y) : shape(x,y){}
    void Area();
    void sum();     //Add this line 
    void show(){
        sum(); //LINE-2
        Area();
    }
};
void triangle::sum(){ //LINE-3
    cout << a+b << " ";
}

void triangle::Area(){ cout << (0.5 * a * b); }
int main(){
    int a, b;
    cin >> a >> b;
    shape *sp = new triangle(a, b);
    sp->show();
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	10 15	25 75	25 75	Passed
Test Case 2	5 10	15 25	15 25	Passed

----------------------------------------------------------------------------------------------------------------------------

W7_Programming_Qs.1

Due on 2023-09-14, 23:59 IST

Consider the following program. Fill in the blanks as per the instructions given below:

• at LINE-1, complete the constructor statement,

• at LINE-2 and LINE-3, complete the operator overloading function header,

such that it will satisfy the given test cases.

Your last recorded submission was on 2023-09-04, 11:11 IST

Select the Language for this assignment.

#include<iostream>
#include<cctype>
using namespace std;
class Char{
    char ch;
    public:
         Char(char _ch) : ch(tolower(_ch)){} //LINE-1
​
        operator char(){ return ch; } //LINE-2
​
         operator int(){ return ch - 'a' + 1; } //LINE-3
};

int main(){
    char c;
    cin >> c;
    Char cb = c;
    cout << (char)cb << ": position is " << int(cb);
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	C	c: position is 3	c: position is 3	Passed
Test Case 2	G	g: position is 7	g: position is 7	Passed

W7_Programming_Qs.2

Due on 2023-09-14, 23:59 IST

Consider the following program. Fill in the blanks as per the instructions given below.

• at LINE-1, complete the constructor definition,

• at LINE-2, complete the overload function header,

such that it will satisfy the given test cases.

Your last recorded submission was on 2023-09-04, 11:16 IST

Select the Language for this assignment.

#include<iostream>
#include<cstring>
#include<malloc.h>
using namespace std;
class String{
    char* _str;
    public:
        String(char* str) : _str(str){} //LINE-1
        operator char*(){ //LINE-2
            char* t_str = (char*)malloc(sizeof(_str) + 7);
            strcpy(t_str, "Coding is ");
            strcat(t_str, _str);
            return t_str;
        }
};

int main(){
    char s[20];
    cin >> s;
    String st = static_cast<String>(s);
    cout << static_cast<char*>(st);
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	fun	Coding is fun	Coding is fun	Passed
Test Case 2	easy	Coding is easy	Coding is easy	Passed

W7_Programming_Qs.3

Due on 2023-09-14, 23:59 IST

Consider the following program. Fill in the blanks as per the instructions given below:

• at LINE-1, complete the overload function header,

• at LINE-2, complete the casting operator statement,

• at LINE-3, complete the casting operator statement,

such that it will satisfy the given test cases.

Your last recorded submission was on 2023-09-04, 11:15 IST

Select the Language for this assignment.

#include<iostream>
using namespace std;
class ClassA{
    int a = 10;
    public:
        void display(){
            cout << a << " ";
        }
};

class ClassB{
    int b = 20;
    public:
        void display(){
            cout << b;
        }
        void operator= (int x){ //LINE-1
            b = b + x;
        }
};
​
​
void fun(const ClassA &t, int x){
    ClassA &u =  const_cast<ClassA&>(t); //LINE-2
    u.display();
    ClassB &v = reinterpret_cast<ClassB&>(u); //LINE-3
    v = x;
    v.display();
}

int main(){
    ClassA t1;
    int a;
    cin >> a;
    fun(t1,a);
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	5	10 15	10 15	Passed
Test Case 2	3	10 13	10 13	Passed

W8_Programming_Qs.1

Due on 2023-09-21, 23:59 IST

Consider the following program. Fill in the blanks as per the instructions given below:

• Fill in the blank at LINE-1 and LINE-2 with appropriate statements for class template specialization.

• Fill in the blank at LINE-3 with appropriate initializer list.

The program must satisfy the given test cases.

Your last recorded submission was on 2023-09-11, 10:13 IST

Select the Language for this assignment.

#include<iostream>
#include<cstring>
#include<cstdlib>
​
template<typename T>
class Manipulator{
    T val;
    public:
        Manipulator(T _val = 0) : val(_val) { }
        T deduct(int d){
            T t = val - d;
            return t;
        }
};

template<>    //LINE-1
​
class Manipulator<const char*>  {   //LINE-2   
 
    char* val;
    public:
        Manipulator(const char* _val = 0) : val(strdup(_val)) { }    //LINE-3
        char* deduct(int d){
            char* buf = (char*)malloc(strlen(val) - d + 1);
            int i;
            for(i = 0; i < strlen(val) - d; i++)
                buf[i] = val[i];
            buf[i] = '\0';
            return buf;    
        }
};

int main(){
    int a;
    std::cin >> a;;
    Manipulator<float> f = 100.45;
    Manipulator<const char*> s("programming");
    std::cout << f.deduct(a) << ", ";
    std::cout << s.deduct(a);
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	3	97.45, programm	97.45, programm	Passed
Test Case 2	5	95.45, progra	95.45, progra	Passed

W8_Programming_Qs.2

Due on 2023-09-21, 23:59 IST

Consider the following program. Fill in the blanks as per the instructions given below.

• Fill in the blank at LINE-1 with appropriate template declaration for class DataSet.

• Fill in the blank at LINE-2 with appropriate declaration of array arr.

• Fill in the blank at LINE-3 with appropriate parameter / parameters for function operator=.

such that it will satisfy the given test cases.

Your last recorded submission was on 2023-09-11, 10:14 IST

Select the Language for this assignment.

#include <iostream>
​
template<class T, int N>     // LINE-1
class DataSet {
    private:
        T arr[N];            // LINE-2
        int i;
    public:
        DataSet() : i(-1) { }
        void operator=(T data){ // LINE-3
            arr[++i] = data;
        }

void print() {
            for (int j = N - 1; j >= 0; j--)
                std::cout << arr[j] << " ";
        }
};
int main() {
    const int n = 3;
    DataSet<char, n> ds1;
    for (int i = 0; i < n; i++) {
        char j;
        std::cin >> j;
        ds1 = j;
    }
    DataSet<int, n> ds2;
    for (int i = 0; i < n; i++) {
        int j;
        std::cin >> j;
        ds2 = j;
    }
    ds1.print();
    ds2.print();
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	a b c 1 2 3	c b a 3 2 1	c b a 3 2 1	Passed after ignoring Presentation Error
Test Case 2	x y z 10 20 30	z y x 30 20 10	z y x 30 20 10	Passed after ignoring Presentation Error

W8_Programming_Qs.3

Due on 2023-09-21, 23:59 IST

Consider the following program. Fill in the blanks as per the instructions given below:

• Fill in the blank at LINE-1 with appropriate constructor for structure Stat.

• Fill in the blank at LINE-2 with appropriate header declaration for functor.

• Fill in the blank at LINE-3 with appropriate return statement.

The program must satisfy the given test cases.

Your last recorded submission was on 2023-09-11, 10:14 IST

Select the Language for this assignment.

#include <iostream>
​
struct Stat {
    int s;
    Stat(int _s) :  s(_s){}  //LINE-1  
    
    double operator() (int arr[], int n) {    //LINE-2   
 
        for(int i = 0; i < n; i++)
            s += arr[i];
        double a = (double)s / n;
​
        return a;                //LINE-3
    }
};

int main(){
    int a, b, c[10];
    std::cin >> a;
    for(int i = 0; i < a; i++){
        std::cin >> b;
        c[i] = b;
    }
    int sum = 0;
    Stat st(sum);
    double avg = st(c, a);
    std::cout << st.s << " " << avg;
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	4 10 20 30 40	100 25	100 25	Passed
Test Case 2	6 1 2 3 4 5 6	21 3.5	21 3.5	Passed

W9_Programming_Qs.1

Due on 2023-09-28, 23:59 IST

Consider the following program that finds the minimum element in an array. Fill in the blanks

as per the instructions given below:

• Fill in the blank at LINE-1 with appropriate template declaration.

• Fill in the blanks at LINE-2 and LINE-3 with appropriate conditional statement.

The program must satisfy the given test cases.

Your last recorded submission was on 2023-09-18, 17:05 IST

Select the Language for this assignment.

#include<iostream>
​
template<class T, class Itr>    //LINE-1
void min(Itr first, Itr last, T& mv) {
    mv = *first++;
    while (first !=last) {          //LINE-2
​
        if(*first<mv)            //LINE-3
            mv = *first;
        ++first;
    }
}

int main(){
    int iArr[10];
    int n;
    std::cin >> n;
    for(int i = 0; i < n; i++)
        std::cin >> iArr[i];
        
    double minVal = 0.0;
    min(iArr, iArr + n, minVal);
    std::cout << minVal;
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	5 50 27 10 70 23	10	10	Passed
Test Case 2	6 94 5 22 45 32 1	1	1	Passed

W9_Programming_Qs.2

Due on 2023-09-28, 23:59 IST

Consider the following program that takes inputs a lower limit (l) and an upper limit (u) of

a vector. If all the elements of the input vector are within the given lower and upper limits,

the program prints "all in [l, u]". Otherwise, the program prints the first element of the vector

which is not within the given limits. Fill in the blanks as per the instructions given below:

• at LINE-1 with appropriate header to overload function operator,

• at LINE-2 with appropriate template definition,

• at LINE-3 with appropriate condition,

such that the program will satisfy the given test cases.

Your last recorded submission was on 2023-09-18, 17:06 IST

Select the Language for this assignment.

#include<iostream>
#include<vector>
​
struct Bound{
    Bound(int l, int u) : l_(l), u_(u){}
​
    bool operator()(int n){     //LINE-1
        return (n >= l_ && n <= u_);
    }
    int l_, u_;
};
​
template<class Itr, class Pred>      //LINE-2
​
Itr search(Itr first, Itr last, Pred bd) {
    while (first != last){
​
        if(!bd(*first))     //LINE-3
            return first;
        ++first;
    }     
    return first;
}

int main(){
    int iArr[] = { 70, 20, 50, 40, 90, 10, 80 }; 
    std::vector<int> iVec(iArr, iArr + sizeof(iArr) / sizeof(*iArr));
    int l, u;
    std::cin >> l >> u;
    Bound bd(l, u);
    
    std::vector<int>::iterator it = search(iVec.begin(), iVec.end(), bd);
    
    if(it == iVec.end())
        std::cout << "all in [" << l << ", " << u << "]";
    else
        std::cout << *it << " is the first element not in [" << l << ", " << u << "]";
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	10 100	all in [10, 100]	all in [10, 100]	Passed
Test Case 2	10 70	90 is the first element not in [10, 70]	90 is the first element not in [10, 70]	Passed

W9_Programming_Qs.3

Due on 2023-09-28, 23:59 IST

Consider the following program, which computes the frequency of occurrence (histogram) of

each integer in a given vector. Fill in the blanks as per the instructions given below:

• at LINE-1 with appropriate statement to iterate over the given vector v,

• at LINE-2 with appropriate statement to iterate over the given map hi,

such that it will satisfy the given test cases.

Your last recorded submission was on 2023-09-18, 17:07 IST

Select the Language for this assignment.

#include <iostream>
#include <map>
#include <vector>
​
std::map<int, int> histo(std::vector<int> v){
    std::map<int, int> hi; 
    for (std::vector<int>::iterator it = v.begin(); it != v.end(); ++it)   //LINE-1
        hi[*it]++;
    return hi;
}
​
void print(std::map<int, int> hi){
    for (std::map<int, int>::iterator it = hi.begin(); it != hi.end(); ++it)   //LINE-2
        std::cout << it->first << ": " << it->second << ", ";
}

int main() { 
    std::vector<int> vec;
    for(int i = 0; i < 10; i++){
        int a;
        std::cin >> a;
        vec.push_back(a);
    }
    std::map<int, int> hi = histo(vec); 
    print(hi);  
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	9 4 5 3 4 6 7 4 3 5	3: 2, 4: 3, 5: 2, 6: 1, 7: 1, 9: 1,	3: 2, 4: 3, 5: 2, 6: 1, 7: 1, 9: 1,	Passed after ignoring Presentation Error
Test Case 2	6 6 7 3 4 5 6 5 4 7	3: 1, 4: 2, 5: 2, 6: 3, 7: 2,	3: 1, 4: 2, 5: 2, 6: 3, 7: 2,	Passed after ignoring Presentation Error

Public Test Cases

Input

Expected Output

Actual Output

Status

Test Case 1

9 4 5 3 4 6 7 4 3 5

3: 2, 4: 3, 5: 2, 6: 1, 7: 1, 9: 1,

3: 2, 4: 3, 5: 2, 6: 1, 7: 1, 9: 1,

Passed after ignoring Presentation Error

Test Case 2

6 6 7 3 4 5 6 5 4 7

3: 1, 4: 2, 5: 2, 6: 3, 7: 2,

3: 1, 4: 2, 5: 2, 6: 3, 7: 2,

Passed after ignoring Presentation Error

W10_Programming_Qs.1

Due on 2023-10-05, 23:59 IST

Consider the following program in C++11/14 to convert between feet and inch. Fill in the

blanks as per the instructions given below:

• at LINE-1 with appropriate header to function convert,

• at LINE-2 with appropriate return statement convert,

such that it will satisfy the given test cases.

Your last recorded submission was on 2023-10-04, 17:34 IST

Select the Language for this assignment.

#include <iostream>
​
class feet; 
​
class inch{
    public: 
        inch(double i) : i_(i){}
        feet getValue();
        void show(){ std::cout << i_ << " "; }
    private:
        double i_;
};
​
class feet{
    public: 
        feet(double f) : f_(f){}
        inch getValue();
        void show(){ std::cout << f_ << " "; }
    private:
        double f_;
};
​
feet inch::getValue(){
    feet t(i_ / 12.0);
    return t;
}
​
inch feet::getValue(){
    inch t(f_ * 12.0);
    return t;
}

template <typename T>
  
decltype(auto) convert(T val)  {     // LINE-1 
    return val.getValue();;                  // LINE-2
}

int main(){
    double a, b;
    std::cin >> a >> b;
    feet f(a);
    inch i(b);
    inch i1 = convert(f); 
    feet f1 = convert(i);
    i1.show();
    f1.show();
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	12 12	144 1	144 1	Passed after ignoring Presentation Error
Test Case 2	90 90	1080 7.5	1080 7.5	Passed after ignoring Presentation Error

W10_Programming_Qs.2

Due on 2023-10-05, 23:59 IST

Consider the following program in C++11/14. Fill in the blanks as per the instructions given

below:

• at LINE-1 with appropriate header and initialization list for the copy constructor,

• at LINE-2 with appropriate header for copy assignment operator overload,

• at LINE-3 with appropriate header and initialization list for the move constructor,

• at LINE-4 with appropriate header for move assignment operator overload,

such that it will satisfy the given test cases.

Your last recorded submission was on 2023-10-04, 17:36 IST

Select the Language for this assignment.

#include <iostream>
#include <vector>
​
class number { 
    public:
        number(){}
        number(int i) : ip_(new int(i)) { } 
        number(const number& n) : ip_(new int(*(n.ip_) * 10)) { }    // LINE-1: copy constructor 
         number& operator=(const number& n) {      // LINE-2: copy assignment 
            if (this != &n) { 
                delete ip_;  
                ip_ = new int(*(n.ip_) * 10); 
            } 
            return *this;
        }
        ~number() { delete ip_; } 
        number(number&& n) noexcept : ip_(n.ip_ ) { n.ip_ = nullptr; }  // LINE-3: move constructor 
        number& operator=(number&& n)noexcept {        // LINE-4: move assignment 
            if (this != &n) { 
                delete ip_; 
                n.ip_ = nullptr; 
            } 
            return *this;
        }

void show(){
            if(ip_ == nullptr)
                std::cout << "moved : ";
            else
                std::cout << *ip_ << " : ";
        }
        private:
            int* ip_ {nullptr};
};
​
int main(){
    int a;
    std::cin >> a;
    number n1(a);
    number n2 = n1;
    number n3;
    n3 = n1;
    n1.show();
    n2.show();
    n3.show();
    
    number n4 = std::move(n1);
    number n5;
    n5 = std::move(n1);
    n1.show();
    n4.show();
    n5.show();
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	5	5 : 50 : 50 : moved : 5 : moved :	5 : 50 : 50 : moved : 5 : moved :	Passed after ignoring Presentation Error
Test Case 2	-10	-10 : -100 : -100 : moved : -10 : moved :	-10 : -100 : -100 : moved : -10 : moved :	Passed after ignoring Presentation Error

Public Test Cases

Input

Expected Output

Actual Output

Status

Test Case 1

5 : 50 : 50 : moved : 5 : moved :

5 : 50 : 50 : moved : 5 : moved :

Passed after ignoring Presentation Error

Test Case 2

-10

-10 : -100 : -100 : moved : -10 : moved :

-10 : -100 : -100 : moved : -10 : moved :

Passed after ignoring Presentation Error

W11_Programming_Qs.1

Due on 2023-10-12, 23:59 IST

Consider the following program (in C++11).

• Fill in the blanks at LINE-1 and LINE-3 with appropriate template definitions.

• Fill in the blanks at LINE-2 and LINE-4 to complete the return statements for product

functions.

The program must satisfy the sample input and output.

Select the Language for this assignment.

#include <iostream>
​
template <typename T>                   //LINE-1
​
double product(T num){  return num; }    //LINE-2
​
template <typename T, typename... Tail>         //LINE-3
​
double product(T num, Tail... nums){ 
​
    return num * product(nums...);         //LINE-4
}

int main(){
    int a, b, c;
    double d, e, f;
    std::cin >> a >> b >> c;
    std::cin >> d >> e >> f;
    std::cout << product(a, b, c) << " ";
    std::cout << product(d, e, f) << " ";
    std::cout << product(a, b, c, d, e, f);
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	2 3 4 2.3 3.4 4.6	24 35.972 863.328	24 35.972 863.328	Passed
Test Case 2	10 20 30 1.5 2.3 -4.5	6000 -15.525 -93150	6000 -15.525 -93150	Passed

W11_Programming_Qs.2

Due on 2023-10-12, 23:59 IST

Consider the program below (in C++11).

• Fill in the blank at LINE-1 with appropriate template declaration.

• Fill in the blanks at LINE-2 with an appropriate universal reference type parameter for

constructor of class derived and an the appropriate call forwarding to the base class

constructor.

The program must satisfy the given test cases.

Select the Language for this assignment.

#include <iostream>
​
class base {
    public:
        base(const int& n) : n_(n * 10){ std::cout << "lvalue : " << n << ", "; }
        base(int&& n) : n_(n * 20) { std::cout << "rvalue : " << n << ", "; }
    protected:
        int n_;
};

class derived : public base {
    public:
         template<typename T>                             //LINE-1
​
        derived(T&& n) : base(std::forward<T>(n)) { }        //LINE-2
​
        void show(){ std::cout << n_ << " "; }
};

int main(){
    int i;
    std::cin >> i;
    derived obj1(i);
    derived obj2(std::move(i));
    obj1.show();
    obj2.show();
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	10	lvalue : 10, rvalue : 10, 100 200	lvalue : 10, rvalue : 10, 100 200	Passed after ignoring Presentation Error
Test Case 2	50	lvalue : 50, rvalue : 50, 500 1000	lvalue : 50, rvalue : 50, 500 1000	Passed after ignoring Presentation Error

Public Test Cases

Input

Expected Output

Actual Output

Status

Test Case 1

lvalue : 10, rvalue : 10, 100 200

lvalue : 10, rvalue : 10, 100 200

Passed after ignoring Presentation Error

Test Case 2

lvalue : 50, rvalue : 50, 500 1000

lvalue : 50, rvalue : 50, 500 1000

Passed after ignoring Presentation Error

W11_Programming_Qs.3

Due on 2023-10-12, 23:59 IST

Consider the following program that implements a recursive lambda function to find the sum

of the digits of an input integer.

• Fill in the blank at LINE-1 to declare the signature of revPrint as std::function.

• Fill the blank at LINE-2 to complete the definition of lambda function revPrint.

The program must satisfy the sample input and output.

Your last recorded submission was on 2023-10-07, 22:54 IST

Select the Language for this assignment.

#include<iostream>
#include<functional>
​
int main() {
  std::function<int(int)> revPrint;    //LINE-1
​
    revPrint = [&revPrint](int n) -> int {     //LINE-2
​
        if (n == 0)
            return 0;
        
        return n % 10 + revPrint(n /= 10);
    };

int a;
    std::cin >> a;
    std::cout << revPrint(a);
}

You may submit any number of times before the due date. The final submission will be considered for grading.

Private Test cases used for Evaluation	Status
Test Case 1	Passed

Swayam Solver

NPTEL Programming in Modern C++ Programming Assignment July-2023 Swayam

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