Submission #1173891

#	Time	Username	Problem	Language	Result	Execution time	Memory
1173891		stdfloat	이상한 기계 (APIO19_strange_device)	C++20	5 / 100	450 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;

	ll L = A / __gcd(A, B + 1) * B;
	
	vector<int> p(L);
	while (n--) {
		ll l, r;
		cin >> l >> r;

		if (L <= r - l + 1) return cout << L, 0;

		p[l % L]++;
		if (r % L != L - 1) p[r % L + 1]--;

		if (r % L < l % L) p[0]++;
	}

	int cnt = !!p[0];
	for (int i = 1; i < L; i++) {
		p[i] += p[i - 1];
		cnt += !!p[i];
	}

	cout << cnt;
}

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