제출 #1118947

#제출 시각아이디문제언어결과실행 시간메모리
1118947vjudge1이상한 기계 (APIO19_strange_device)C++17
0 / 100
11 ms468 KiB
#include <bits/stdc++.h>
#define llong long long
using namespace std;

const int N = 2e5 + 3;
const int inf = 2e9 + 11;

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);

    int n, A, B;
    cin >> n >> A >> B;

    if(n == 1){
        int l, r;
        cin >> l >> r;
        cout << r - l + 1;
    }
    else{
        set < pair < int, int > > st;
        for(int i = 1; i <= n; i++){
            int l, r;
            cin >> l >> r;
            for(int t = l; t <= r; t++){
                st.insert({(t + t / B) % A, t % B});
            }
        }
        cout << st.size();
    }
}
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