Question

using a while loop, and if-else find the square of any positive integer. (for C language)

Answer 1

#include <stdio.h>

int main() {
    int n;
    while (1) {
        printf("Enter a number(0 to exit): ");
        scanf("%d", &n);
        if (n == 0) break;
        printf("Square of %d is %d\n", n, n*n);
    }
    return 0;
}