Submission #1609966

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Source Code Expand

#include <cstdio>
#include <algorithm>

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

  if (a > b) std::swap(a, b);

  if (a + W < b) {
    printf("%d\n", b-(a+W));
  } else {
    puts("0");
  }

  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:6:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d %d", &W, &a, &b);
                                ^

Judge Result