Question

How to use cin inside a while loop in C++

Answer 1

#include <iostream>

int main() {
	int n = 0;
    	
	std::cout << "Enter numbers, 42 to exit:\n";
     
	std::cin >> n;
	while (n != 42) {
		std::cout << n << "\n";
		std::cin >> n;
	}
}


/*
run:

Enter numbers, 42 to exit:
3
3
8
8
0
0
345
345
90923
90923
42

*/

 

70+ SQL courses for beginners and professionals