Help me in solving CLB034 problem

help
,
1

My issue

solvetheproblem

My code

#include <stdio.h>

int main() 
{

    int a = -50;
    int b = 40;
    printf("%d", -50 + 40);
    printf("%d", -50*40);
    printf("%d", -50/40);
  getch();
}

Learning course: Programming and Problem solving using C
Problem Link: https://www.codechef.com/learn/course/ciet-programming-c/CIETPC07/problems/CLB034

2 
#include <stdio.h>

int main() // use return 0 when writing int main()
{

    int a = -50;
    int b = 40;
    printf("%d \n", a+b);//\n for next line
    printf("%d \n", a*b);
    printf("%d", a/b);
  return 0;
}