제출 #978937

#제출 시각아이디문제언어결과실행 시간메모리
978937Halym2007이상한 기계 (APIO19_strange_device)C++17
10 / 100
5043 ms524288 KiB
#include <bits/stdc++.h>
using namespace std;
const int N = 1e6 + 5;
#define ll long long
set <pair <ll, ll>> s;
int main () {
	ll A, B;
	int n;
	cin >> n >> A >> B;
	for (int i = 1; i <= n; ++i) {
		ll l, r;
		cin >> l >> r;
		for (ll j = l; j <= r; ++j) {
			ll x = j + (j / B), y = j % B;
			x %= A;
			s.insert ({x, y});
		}
	}	
	cout << (int)s.size();
}
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