제출 #781442

#제출 시각아이디문제언어결과실행 시간메모리
781442kebine이상한 기계 (APIO19_strange_device)C++17
10 / 100
5055 ms524288 KiB
#include <bits/stdc++.h>
#define int long long
#define fi first
#define se second
#define keish                             ios_base::sync_with_stdio(0);       cin.tie(0); cout.tie(0)
      
using namespace std;

int n, a, b, l, r;

signed main(){
      keish;
  cin >> n >> a >> b;
      set<pair<int, int>> s;
      for(int i = 0; i < n; i++){
            cin >> l >> r;
            for(int t = l; t <= r; t++){
                  s.insert({(t + t / b) % a, t % b});
            }
      }

      cout << s.size() << '\n';
}     
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