답안 #526594

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
526594	2022-02-15T13:09:22 Z	hmm789	Let's Win the Election (JOI22_ho_t3)	C++14	0 / 100	496 ms	1048580 KB

Main

#include <bits/stdc++.h>
using namespace std;
#define int long long 
#define double long double 

int32_t main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	int n, k;
	cin >> n >> k;
	pair<int, int> a[n];
	for(int i = 0; i < n; i++) {
		cin >> a[i].second >> a[i].first;
		if(a[i].first == -1) a[i].first = 1e9;
	}
	sort(a, a+n);
	double dp[n+1][k+1][k+1]; 
	for(int i = 0; i <= n; i++) {
		for(int j = 0; j <= k; j++) {
			for(int m = 0; m <= k; m++) {
				if(m == 0 && i == 0 && j == 0) dp[i][j][m] = 0;
				else if(i == 0 || i < m || i < j || m < j) dp[i][j][m] = 1e9;
				else if(m == 0) dp[i][j][m] = 0;
				else if(j == 0) dp[i][j][m] = min(dp[i-1][j][m-1] + a[i-1].second*1.0/(j+1), dp[i-1][j][m]);
				else dp[i][j][m] = min(dp[i-1][j][m-1] + a[i-1].second*1.0/(j+1), min(dp[i-1][j-1][m-1] + a[i-1].first*1.0/j, dp[i-1][j][m]));
			}
		}
	}
	double res = 1e9;
	for(int i = 0; i <= k; i++) res = min(res, dp[n][i][k]);
	cout << fixed << setprecision(5) << res;
}

Subtask #1

0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	216 KB	Output is correct
5	Correct	22 ms	20684 KB	Output is correct
6	Correct	110 ms	124792 KB	Output is correct
7	Correct	496 ms	494392 KB	Output is correct
8	Runtime error	448 ms	1048580 KB	Execution killed with signal 9
9	Halted	0 ms	0 KB	-

Subtask #2

0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	216 KB	Output is correct
5	Correct	22 ms	20684 KB	Output is correct
6	Correct	110 ms	124792 KB	Output is correct
7	Correct	496 ms	494392 KB	Output is correct
8	Runtime error	448 ms	1048580 KB	Execution killed with signal 9
9	Halted	0 ms	0 KB	-

Subtask #3

0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	208 KB	Output is correct
6	Correct	1 ms	208 KB	Output is correct
7	Correct	1 ms	208 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Incorrect	1 ms	204 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	204 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	208 KB	Output is correct
6	Correct	1 ms	208 KB	Output is correct
7	Correct	1 ms	208 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Incorrect	1 ms	204 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	204 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	208 KB	Output is correct
6	Correct	1 ms	208 KB	Output is correct
7	Correct	1 ms	208 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Incorrect	1 ms	204 KB	Output isn't correct
10	Halted	0 ms	0 KB	-

Subtask #6

0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Runtime error	421 ms	1048580 KB	Execution killed with signal 9
2	Halted	0 ms	0 KB	-

Subtask #7

0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	216 KB	Output is correct
5	Correct	22 ms	20684 KB	Output is correct
6	Correct	110 ms	124792 KB	Output is correct
7	Correct	496 ms	494392 KB	Output is correct
8	Runtime error	448 ms	1048580 KB	Execution killed with signal 9
9	Halted	0 ms	0 KB	-