제출 #702763

#제출 시각아이디문제언어결과실행 시간메모리
702763veehz이상한 기계 (APIO19_strange_device)C++17
10 / 100
5100 ms524288 KiB
#include<bits/stdc++.h>
using namespace std;

typedef long long ll;

int main(){
    // Subtask 1
    ll n,a,b; cin >> n >> a >> b;
    vector<pair<ll,ll>> v(n);
    for(int i=0;i<n;i++) cin >> v[i].first >> v[i].second;
    set<pair<ll,ll>> s;
    for(int i=0;i<n;i++){
        for(ll t=v[i].first;t<=v[i].second;t++){
            s.insert({(t+t/b)%a,t%b});
        }
    }
    cout << s.size() << endl;
}
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