Backpacking

#include <stdio.h>

int main(int argc, char **argv) {
  if (argc != 3) return -1;

  int i;
  int j;
  sscanf(argv[1], "%d",&i);
  sscanf(argv[2], "%d",&j);

  return i + j;
}

Test 1

Verdict: RUNTIME ERROR

Test 2

Verdict: RUNTIME ERROR

Test 3

Verdict: RUNTIME ERROR

Test 4

Verdict: RUNTIME ERROR