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Submission #570004

# Submission time Handle Problem Language Result Execution time Memory
570004 2022-05-28T12:29:55 Z jesus_coconut Sure Bet (CEOI17_sure) C++17
100 / 100
 91 ms 3628 KB 
#include <bits/stdc++.h>
#define all(a) begin(a), end(a)

using namespace std;

void solve() {
	int n;
	cin >> n;
	vector<double> v[2];
	v[0].resize(n);
	v[1].resize(n);
	for (int i = 0; i < n; ++i) {
		cin >> v[0][i] >> v[1][i];
	}
	sort(all(v[0]), greater<>());
	sort(all(v[1]), greater<>());
	double ans = 0;
	double cur[2] = {0, 0};
	int p = 0;
	for (int i = 0; i < n; ++i) {
		cur[0] += v[0][i] - 1;
		cur[1] -= 1;
		ans = max(ans, min(cur[0], cur[1]));
		while (p < n && cur[1] < cur[0]) {
			cur[1] += v[1][p] - 1;
			cur[0] -= 1;
			ans = max(ans, min(cur[0], cur[1]));
			++p;
		}
	}
	cout << ans << '\n';
}

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);
	cout << fixed << setprecision(4);
	solve();

	return 0;
}

Subtask #1
20.0 / 20.0

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

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 2 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 2 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct

Subtask #3
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 2 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 2 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 77 ms 3256 KB Output is correct
18 Correct 77 ms 3152 KB Output is correct
19 Correct 74 ms 3148 KB Output is correct
20 Correct 91 ms 3256 KB Output is correct
21 Correct 86 ms 3628 KB Output is correct
22 Correct 76 ms 3156 KB Output is correct
23 Correct 77 ms 3252 KB Output is correct
24 Correct 77 ms 3168 KB Output is correct
25 Correct 81 ms 3148 KB Output is correct
26 Correct 89 ms 3532 KB Output is correct