Submission #1310473

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Source Code Expand

#include <cstdio>

int main(int argc, char const *argv[]) {
  long long N, A, B;
  scanf("%lld%lld%lld", &N, &A, &B);

  if (N == 1) {
    if (A == B) {
      printf("1\n");
    } else {
      printf("0\n");
    }
  } else if (A > B) {
    printf("0\n");
  } else {
    long long max = A + B + (N - 2) * B;
    long long min = A + B + (N - 2) * A;
    printf("%lld\n", max - min + 1);
  }
  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main(int, const char**)’:
./Main.cpp:5:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld%lld%lld", &N, &A, &B);
                                    ^

Judge Result