제출 #1100545

#제출 시각아이디문제언어결과실행 시간메모리
1100545vjudge1이상한 기계 (APIO19_strange_device)C++17
0 / 100
1888 ms524288 KiB
#include <bits/stdc++.h>
#define ll long long
using namespace std;

int main() {
    ll n, a, b;
    cin >>n >>a >> b;
    
    set<pair<ll, ll>> u;
    for (int i = 0; i < n; i++) {
        ll l, r;
        cin >>l>>r;
        for (ll t =l; t <= r; t++) {
            ll x = (t/a)%b;
            ll y = t%b;
            u.insert({x, y});
        }
    }
    cout << u.size() << endl;
    return 0;
}
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