#include <math.h> #include <stdio.h> int main() { int n1, n2; n1 = 1; n2 = 2; printf("%d + %d = %d\n", n1, n2, n1 + n2); int n3; n3 = 4; printf("Square root of %d is %f\n", n3, sqrt(n3)); return 0; }