답안 #570004

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
570004	2022-05-28T12:29:55 Z	jesus_coconut	Sure Bet (CEOI17_sure)	C++17	100 / 100	91 ms	3628 KB

sure

#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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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