oj.uz

Submission #674695

# Submission time Handle Problem Language Result Execution time Memory
674695 2022-12-25T21:05:34 Z David1425 Sails (IOI07_sails) C++17
40 / 100
 1000 ms 2584 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

int main() {
	ios_base::sync_with_stdio(0); cin.tie(0);
	
	int n;
	cin >> n;
	pair<int,int> a[n];
	for (int i = 0; i < n; i++) cin >> a[i].first >> a[i].second;
	sort(a,a+n);
	priority_queue<int,vector<int>,greater<int>> pq;
	int pre = 0;
	for (int i = 0; i < n; i++) {
		while (pre < a[i].first) {
			pq.push(0);
			pre++;
		}
		int tmp[a[i].second];
		for (int j = 0; j < a[i].second; j++) {
			int x = pq.top(); pq.pop();
			tmp[j] = x+1;
		}
		for (auto j : tmp) pq.push(j);
	}
	
	ll ans = 0;
	while (!pq.empty()) {
		ll x = pq.top(); pq.pop();
		ans += x*(x-1)/2;
	}
	cout << ans << '\n';
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 316 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 316 KB Output is correct
2 Correct 5 ms 328 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 158 ms 372 KB Output is correct
2 Correct 160 ms 984 KB Output is correct

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1086 ms 700 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1055 ms 1024 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1085 ms 1452 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1092 ms 2584 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1066 ms 2120 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #11
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1081 ms 2384 KB Time limit exceeded
2 Halted 0 ms 0 KB -