Submission #1606569

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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 RFOR(i,a,b) for(int i=(b)-1;i>=(a);i--)
#define REP(i,n) FOR(i,0,n)
#define RREP(i,n) RFOR(i,0,n)
#define LL long long
#define INF INT_MAX/3

//--------------------------------------------
const double EPS = 1e-14;
const double PI  = acos(-1.0);

//--------------------------------------------

int main(){
  LL n, a, b;

  scanf("%lld %lld %lld",&n, &a, &b);

  if (a <= b && n != 1) {
    printf("%lld\n",(a + (n - 1) * b) - ((n - 1) * a + b) + 1);
  } else if (n == 1 && a == b) {
    printf("1\n");
  } else {
    printf("0\n");
  }
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:21:37: 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