Submission #1531426

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Source Code Expand

#include <stdio.h>

int main()
{
  int a, b, c, d, maxv, minv, time;

  scanf("%d %d %d %d", &a, &b, &c, &d);
  maxv = a > c ? a : c;
  minv = b < d ? b : d;
  time = minv > maxv ? minv - maxv : 0;
  printf("%d\n", time);
  
  return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:7:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d %d %d", &a, &b, &c, &d);
   ^

Judge Result