Question

1. Your task is to implement the function definition of the cheerUp() function. The cheerUp() function should update the values passed by multiplying each of them by 3.

Answer 1

#include <stdio.h>

void cheerUp(int *a)
{
  *a = (*a) * 3;
}

int main() {
    int num;
       printf("Enter value: ");
       scanf("%d", &num);
       cheerUp(&num);
    printf("value * 3 = %d", num);
}