Submission #2550104

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Source Code Expand

#include <cstdio>
#include <cstdlib>
using namespace std;

int main()
{
  int W, a, b;
  scanf("%d", &W);
  scanf("%d", &a);
  scanf("%d", &b);

  if (W>=abs(b-a)) {
    printf("0");
  }else{
    printf("%d",abs(W-abs(b-a)));
  }

  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:8:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &W);
                  ^
./Main.cpp:9:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &a);
                  ^
./Main.cpp:10:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &b);
                  ^

Judge Result