Submission #1173836

#	Time	Username	Problem	Language	Result	Execution time	Memory
1173836		stdfloat	Strange Device (APIO19_strange_device)	C++17	10 / 100	5090 ms	589824 KiB

strange_device

#include <bits/stdc++.h>
using namespace std;

using ll = long long;

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

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

	set<pair<ll, ll>> s;
	for (int i = 0; i < n; i++) {
		ll l, r;
		cin >> l >> r;

		for (ll j = l; j <= r; j++) {
			ll x = (j + j / B) % A, y = j % B;
			s.insert({x, y});
		}
	}

	cout << (int)s.size();
}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 5
• Subtask 3: 0 / 5
• Subtask 4: 0 / 5
• Subtask 5: 0 / 5
• Subtask 6: 0 / 20
• Subtask 7: 0 / 20
• Subtask 8: 0 / 30