제출 #1327429

#제출 시각아이디문제언어결과실행 시간메모리
1327429kasamchi이상한 기계 (APIO19_strange_device)C++20
0 / 100
5093 ms589824 KiB
#include <bits/stdc++.h>
using namespace std;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);

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

    vector<long long> l(n), r(n);
    for (int i = 0; i < n; i++) {
        cin >> l[i] >> r[i];
    }

    set<long long> st;
    for (int i = 0; i < n; i++) {
        for (long long j = l[i]; j <= r[i]; j++) {
            st.insert(j % (A * B));
        }
    }
    cout << st.size() << '\n';
}
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