제출 #985571

#제출 시각아이디문제언어결과실행 시간메모리
985571crafticat이상한 기계 (APIO19_strange_device)C++17
10 / 100
5064 ms524288 KiB
#include <bits/stdc++.h>

using namespace std;

using ll = long long;
using pii = pair<ll, ll>;

int main() {
    ll n, a, b; cin >> n >> a >> b;
    set<pii> elm;

    for (int i = 0; i < n; ++i) {
        ll x, y; cin >> x >> y;
        for (ll j = x; j <= y; ++j) {
            elm.insert({(j + j / b) % a,j % b});
        }
    }
    cout << elm.size();

    return 0;
}
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