Question

Write a complete program that declares an integer variable, reads a value from the keyboard into that variable, and writes to standard output the square of the variable's value.

Answer 1

Answer:

#include <iostream>

using namespace std;

int main ()

{

int num;

cin>>num;

cout << num<< " " << 2 num << " " << numnum;

return 0;

}

Explanation:

See answer