제출 #1117114

#제출 시각아이디문제언어결과실행 시간메모리
1117114PagodePaiva이상한 기계 (APIO19_strange_device)C++17
10 / 100
5060 ms524288 KiB
#include<bits/stdc++.h>
#define int long long

using namespace std;

int32_t main(){
  int n, a, b;
  cin >> n >> a >> b;
  set <pair <int, int>> res;
  for(int i = 0;i < n;i++){
    int l, r;
    cin >> l >> r;
    for(int j = l;j <= r;j++){
      int d = j/b;
      res.insert({(j+d)%a,j%b});
    }
  }
  cout << res.size() << '\n';
}
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