Submission #1310655

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Source Code Expand

#include <cstdio>
#include <algorithm>

using namespace std;

int main() {
  long long n, a, b;
  scanf("%lld%lld%lld", &n, &a, &b);
  if (a > b) {
    printf("0\n");
    return 0;
  }
  if (n == 1 && a != b) {
    printf("0\n");
    return 0;
  }
  long long minsum = (n - 1) * a + b;
  long long maxsum = (n - 1) * b + a;
  printf("%lld\n", maxsum - minsum + 1);
  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:8:36: 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