Submission #1309667

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

#define FOR(i,a,b) for (int i = (a); i < (b); ++i)
#define FORD(i,b,a) for (int i = (int)(b) - 1; i >= a; --i)
#define REP(i,N) FOR(i,0,N)
#define st first
#define nd second
#define pb push_back

typedef pair<int, int> PII;
typedef long long LL;

int main() {
  LL N, A, B;
  scanf("%lld%lld%lld", &N, &A, &B);

  if ((N == 1 && A != B) || B < A) {
    printf("0\n");
    return 0;
  }

  printf("%lld\n", (N-1) * B + A - (N-1) * A - B + 1);
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:16:36: 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