답안 #624899

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
624899	2022-08-09T01:22:37 Z	dooompy	Let's Win the Election (JOI22_ho_t3)	C++17	10 / 100	8 ms	300 KB

Main

#include <bits/stdc++.h>

using namespace std;

vector<pair<int, int>> v;

int main() {
    int n, k; cin >> n >> k;
    for (int i = 0; i < n; i++) {
        int a, b; cin >> a >> b;
        if (b == -1) b = 1e9;
        v.emplace_back(a, b);
    }

    sort(v.begin(), v.end(), [](pair<int, int> a, pair<int, int> b) {
        if (a.second == b.second) {
            return a.first < b.first;
        }
        return a.second < b.second;
    });

    double ans = 2e9;

    for (int i = 0; i <= k; i++) {
        // take b up to here

        double total = 0;

        for (int j = 0; j < i; j++) {
            total += (double) (v[j].second) / (double) (j + 1);
        }

        vector<pair<int, int>> cur;
        for (int j = i; j < n; j++) {
            cur.push_back(v[j]);
        }

        sort(cur.begin(), cur.end());

        for (int j = 0; j < k - i; j++) {
            total += (double) (cur[j].first) / (double) (i + 1);
        }

        ans = min(ans, total);
    }

    cout << ans;
}

Subtask #1

5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	296 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	300 KB	Output is correct
6	Correct	2 ms	212 KB	Output is correct
7	Correct	2 ms	212 KB	Output is correct
8	Correct	3 ms	212 KB	Output is correct
9	Correct	3 ms	296 KB	Output is correct
10	Correct	3 ms	212 KB	Output is correct

Subtask #2

5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	296 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	300 KB	Output is correct
6	Correct	2 ms	212 KB	Output is correct
7	Correct	2 ms	212 KB	Output is correct
8	Correct	3 ms	212 KB	Output is correct
9	Correct	3 ms	296 KB	Output is correct
10	Correct	3 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	2 ms	212 KB	Output is correct
13	Correct	3 ms	296 KB	Output is correct
14	Correct	2 ms	212 KB	Output is correct
15	Correct	4 ms	212 KB	Output is correct
16	Correct	4 ms	212 KB	Output is correct
17	Correct	4 ms	300 KB	Output is correct
18	Correct	4 ms	212 KB	Output is correct
19	Correct	5 ms	212 KB	Output is correct
20	Correct	4 ms	300 KB	Output is correct

Subtask #3

0 / 11.0

#	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	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	300 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	Incorrect	1 ms	300 KB	Output isn't correct
10	Halted	0 ms	0 KB	-

Subtask #4

0 / 12.0

#	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	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	300 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	Incorrect	1 ms	300 KB	Output isn't correct
10	Halted	0 ms	0 KB	-

Subtask #5

0 / 33.0

#	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	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	300 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	Incorrect	1 ms	300 KB	Output isn't correct
10	Halted	0 ms	0 KB	-

Subtask #6

0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	8 ms	296 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #7

0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	296 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	300 KB	Output is correct
6	Correct	2 ms	212 KB	Output is correct
7	Correct	2 ms	212 KB	Output is correct
8	Correct	3 ms	212 KB	Output is correct
9	Correct	3 ms	296 KB	Output is correct
10	Correct	3 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	2 ms	212 KB	Output is correct
13	Correct	3 ms	296 KB	Output is correct
14	Correct	2 ms	212 KB	Output is correct
15	Correct	4 ms	212 KB	Output is correct
16	Correct	4 ms	212 KB	Output is correct
17	Correct	4 ms	300 KB	Output is correct
18	Correct	4 ms	212 KB	Output is correct
19	Correct	5 ms	212 KB	Output is correct
20	Correct	4 ms	300 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	300 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Incorrect	1 ms	300 KB	Output isn't correct
30	Halted	0 ms	0 KB	-