Submission #756070

#	Time	Username	Problem	Language	Result	Execution time	Memory
756070		SanguineChameleon	Sails (IOI07_sails)	C++17	30 / 100	1087 ms	2448 KiB

sails

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

void just_do_it();

int main() {
	#ifdef KAMIRULEZ
		freopen("kamirulez.inp", "r", stdin);
		freopen("kamirulez.out", "w", stdout);
	#endif
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	just_do_it();
	return 0;
}

const int maxn = 1e5 + 20;
pair<int, int> a[maxn];

void just_do_it() {
	int n;
	cin >> n;
	for (int i = 1; i <= n; i++) {
		cin >> a[i].first >> a[i].second;
	}
	sort(a + 1, a + n + 1);
	vector<int> q;
	for (int i = 1; i <= n; i++) {
		for (int j = 0; j < a[i].first - a[i - 1].first; j++) {
			q.push_back(0);
		}
		sort(q.begin(), q.end());
		for (int j = 0; j < a[i].second; j++) {
			q[j]++;
		}
	}
	long long res = 0;
	for (auto x: q) {
		res += 1LL * x * (x - 1) / 2;
	}
	cout << res;
}

• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 5 / 5
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10
• Subtask 11: 0 / 10