Backpacking

input/code.c: In function 'main':
input/code.c:7:5: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |     scanf ("%d %d", &a, &b);
      |     ^~~~~~~~~~~~~~~~~~~~~~~

#include <stdio.h>

int main(){

    int a, b;

    scanf ("%d %d", &a, &b);

    return a + b;
}

Test 1

Verdict: RUNTIME ERROR

Test 2

Verdict: RUNTIME ERROR

Test 3

Verdict: RUNTIME ERROR

Test 4

Verdict: RUNTIME ERROR