oj.uz

답안 #594665

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
594665 2022-07-12T19:30:10 Z 1ne Let's Win the Election (JOI22_ho_t3) C++14
10 / 100
 1669 ms 8612 KB 
#include<bits/stdc++.h>
using namespace std;

int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	double long n,k;cin>>n>>k;
	vector<pair<double long,double long>>arr,temp;
	for (int i = 0;i<n;++i){
		double long x,y;cin>>x>>y;
		if (y == -1){
			y = 1e7;
		}
		arr.push_back({x,y});
	}
	sort(arr.begin(),arr.end(),[&](auto x,auto y){
		if (x.second == y.second)return x.first < y.first;
		return x.second < y.second;
	});
	for (auto x:temp)arr.push_back(x);
	double long mxn = 1e15;
	vector<vector<double long>>dp(n + 1,vector<double long>(n + 2,mxn));
	dp[0][1] = 0.0;
	for (int i = 0;i<n;++i){
		vector<vector<double long>>cur_dp(n + 1,vector<double long>(n + 2,mxn));
		for (int j = 0;j<=i;++j){
			for (int p = 1;p <= i + 1;++p){
				cur_dp[j][p] = min(cur_dp[j][p],dp[j][p]);
				cur_dp[j + 1][p + 1] = min(cur_dp[j + 1][p + 1],dp[j + 1][p + 1]);
				cur_dp[j + 1][p] = min(cur_dp[j + 1][p],dp[j + 1][p]);
				if (arr[i].second!=-1){
					cur_dp[j + 1][p + 1] = min(dp[j][p] + (double long)(arr[i].second / (p)),cur_dp[j + 1][p + 1]);
				}
				cur_dp[j + 1][p] =  min(cur_dp[j + 1][p],dp[j][p] + (double long)(arr[i].first / (p)));
			}
		}
		swap(cur_dp,dp);
	}
	double long ans = mxn;
	for (int i = 0;i<=n + 1;++i){
		ans = min(ans,dp[k][i]);
	}
	cout<<fixed<<setprecision(15)<<ans<<'\n';
	return 0;
}

Subtask #1
5.0 / 5.0

# 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 1621 ms 8560 KB Output is correct
6 Correct 1636 ms 8340 KB Output is correct
7 Correct 1618 ms 8360 KB Output is correct
8 Correct 1598 ms 8368 KB Output is correct
9 Correct 1669 ms 8428 KB Output is correct
10 Correct 1588 ms 8388 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 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 1621 ms 8560 KB Output is correct
6 Correct 1636 ms 8340 KB Output is correct
7 Correct 1618 ms 8360 KB Output is correct
8 Correct 1598 ms 8368 KB Output is correct
9 Correct 1669 ms 8428 KB Output is correct
10 Correct 1588 ms 8388 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1603 ms 8464 KB Output is correct
13 Correct 1555 ms 8480 KB Output is correct
14 Correct 1634 ms 8384 KB Output is correct
15 Correct 1595 ms 8380 KB Output is correct
16 Correct 1548 ms 8504 KB Output is correct
17 Correct 1616 ms 8608 KB Output is correct
18 Correct 1590 ms 8396 KB Output is correct
19 Correct 1587 ms 8324 KB Output is correct
20 Correct 1624 ms 8564 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 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 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Incorrect 0 ms 212 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 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 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Incorrect 0 ms 212 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 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 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Incorrect 0 ms 212 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #6
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1605 ms 8612 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 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 1621 ms 8560 KB Output is correct
6 Correct 1636 ms 8340 KB Output is correct
7 Correct 1618 ms 8360 KB Output is correct
8 Correct 1598 ms 8368 KB Output is correct
9 Correct 1669 ms 8428 KB Output is correct
10 Correct 1588 ms 8388 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1603 ms 8464 KB Output is correct
13 Correct 1555 ms 8480 KB Output is correct
14 Correct 1634 ms 8384 KB Output is correct
15 Correct 1595 ms 8380 KB Output is correct
16 Correct 1548 ms 8504 KB Output is correct
17 Correct 1616 ms 8608 KB Output is correct
18 Correct 1590 ms 8396 KB Output is correct
19 Correct 1587 ms 8324 KB Output is correct
20 Correct 1624 ms 8564 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Incorrect 0 ms 212 KB Output isn't correct
30 Halted 0 ms 0 KB -