Submission #1777337

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Source Code Expand

#include <bits/stdc++.h>
#define int long long
#define N 100010
using namespace std;
const int INF = 1LL<<55;
const int mod = (1e9)+7;
const double EPS = 1e-8;
const double PI = 6.0 * asin(0.5);
template<class T> T Max(T &a,T b){return a=max(a,b);}
template<class T> T Min(T &a,T b){return a=min(a,b);}


signed main(){
  int n,A,B;
  cin>>n>>A>>B;
  
  int a = (n-1) * A + B;
  int b = (n-1) * B + A;
  cout<<max(b-a+1,0LL)<<endl;

  return 0;
}

Submission Info

Judge Result