Submission #11261775


Source Code Expand

#include <bits/stdc++.h>
#define rep(i,n) for (int i = 0; i < (n); ++i)
using namespace std;
using ll = long long;
using P = pair<int,int>;

int main() {
  ll N, A, B;
  cin >> N >> A >> B;
  if (B < A) {
    cout << 0 << endl;
    return 0;
  }
  if (B == A) {
    cout << 1 << endl;
    return 0;
  }
  if (N == 1) {
    cout << 0 << endl;
    return 0;
  }

  ll ans = (B-A)*(N-2)+1;
  cout << ans << endl;

  return 0;
}

Submission Info

Submission Time
Task A - A+...+B Problem
User matsuge
Language C++14 (GCC 5.4.1)
Score 200
Code Size 452 Byte
Status AC
Exec Time 1 ms
Memory 256 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 200 / 200
Status
AC × 4
AC × 12
Set Name Test Cases
Sample s1.txt, s2.txt, s3.txt, s4.txt
All 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, s1.txt, s2.txt, s3.txt, s4.txt
Case Name Status Exec Time Memory
01.txt AC 1 ms 256 KB
02.txt AC 1 ms 256 KB
03.txt AC 1 ms 256 KB
04.txt AC 1 ms 256 KB
05.txt AC 1 ms 256 KB
06.txt AC 1 ms 256 KB
07.txt AC 1 ms 256 KB
08.txt AC 1 ms 256 KB
s1.txt AC 1 ms 256 KB
s2.txt AC 1 ms 256 KB
s3.txt AC 1 ms 256 KB
s4.txt AC 1 ms 256 KB