답안 #604926

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
604926	2022-07-25T10:52:27 Z	pakhomovee	Sure Bet (CEOI17_sure)	C++17	100 / 100	122 ms	8340 KB

sure

#include <iostream>
#include <vector>
#include <random>
#include <algorithm>
#include <cassert>
#include <cstring>
#include <iomanip>

using namespace std;

int32_t main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int n;
    cin >> n;
    vector<double> a(n);
    vector<double> b(n);
    for (int i = 0; i < n; ++i) {
        cin >> a[i] >> b[i];
    }
    sort(a.rbegin(), a.rend());
    sort(b.rbegin(), b.rend());
    vector<double> pa(n + 1, 0);
    vector<double> pb(n + 1, 0);
    for (int i = 1; i <= n; ++i) {
        pa[i] = pa[i - 1] + a[i - 1];
        pb[i] = pb[i - 1] + b[i - 1];
    }
    auto slv = [&] (vector<double> pa, vector<double> pb) {
        double ans = 0;
        for (int i = 0; i <= n; ++i) {
            if (pb.back() < pa[i]) break;
            int j = lower_bound(pb.begin(), pb.end(), pa[i]) - pb.begin();
            ans = max(ans, pa[i] - i - j);
        }
        return ans;
    };
    cout << fixed << setprecision(4) << max(slv(pa, pb), slv(pb, pa));
}

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct

Subtask #2

40.0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 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	2 ms	340 KB	Output is correct
14	Correct	2 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	2 ms	340 KB	Output is correct

Subtask #3

40.0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 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	2 ms	340 KB	Output is correct
14	Correct	2 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	2 ms	340 KB	Output is correct
17	Correct	91 ms	6508 KB	Output is correct
18	Correct	95 ms	8044 KB	Output is correct
19	Correct	92 ms	7888 KB	Output is correct
20	Correct	88 ms	7896 KB	Output is correct
21	Correct	122 ms	8340 KB	Output is correct
22	Correct	92 ms	7864 KB	Output is correct
23	Correct	100 ms	7884 KB	Output is correct
24	Correct	92 ms	7888 KB	Output is correct
25	Correct	100 ms	7888 KB	Output is correct
26	Correct	108 ms	8236 KB	Output is correct