Submission #534201

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
534201	2022-03-08T02:09:56 Z	LittleOrange	Let's Win the Election (JOI22_ho_t3)	C++17	10 / 100	20 ms	324 KB

Main

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
bool cmp(pair<double,double> a,pair<double,double> b){
    return a.second==b.second?a.first<b.first:a.second<b.second;
}
int main(){
    ios::sync_with_stdio(0);cin.tie(0);
    int n,k;
    cin >> n >> k;
    vector<pair<double,double> > dat(n);
    for (int i = 0;i<n;i++){
        cin >> dat[i].first >> dat[i].second;
        if (dat[i].second<0) dat[i].second = 100000000;
    }
    double ans = 1000000;
    for (int i = 0;i<k;i++){
        double t = 0;
        sort(dat.begin(),dat.end(),cmp);
        for (int j = 0;j<i;j++){
            t += dat[j].second/(j+1);
        }
        sort(dat.begin()+i,dat.end());
        for (int j = i;j<k;j++){
            t += dat[j].first/(i+1);
        }
        ans = min(ans,t);
    }
    cout << fixed << setprecision(15) << ans << "\n";
}

Subtask #1

5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 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	0 ms	204 KB	Output is correct
5	Correct	2 ms	204 KB	Output is correct
6	Correct	3 ms	204 KB	Output is correct
7	Correct	5 ms	204 KB	Output is correct
8	Correct	8 ms	320 KB	Output is correct
9	Correct	9 ms	204 KB	Output is correct
10	Correct	5 ms	204 KB	Output is correct

Subtask #2

5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 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	0 ms	204 KB	Output is correct
5	Correct	2 ms	204 KB	Output is correct
6	Correct	3 ms	204 KB	Output is correct
7	Correct	5 ms	204 KB	Output is correct
8	Correct	8 ms	320 KB	Output is correct
9	Correct	9 ms	204 KB	Output is correct
10	Correct	5 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	6 ms	320 KB	Output is correct
13	Correct	7 ms	204 KB	Output is correct
14	Correct	7 ms	320 KB	Output is correct
15	Correct	9 ms	204 KB	Output is correct
16	Correct	13 ms	320 KB	Output is correct
17	Correct	10 ms	204 KB	Output is correct
18	Correct	10 ms	204 KB	Output is correct
19	Correct	14 ms	204 KB	Output is correct
20	Correct	10 ms	204 KB	Output is correct

Subtask #3

0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 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	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 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

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 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	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 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

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 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	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 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

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	20 ms	324 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #7

0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 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	0 ms	204 KB	Output is correct
5	Correct	2 ms	204 KB	Output is correct
6	Correct	3 ms	204 KB	Output is correct
7	Correct	5 ms	204 KB	Output is correct
8	Correct	8 ms	320 KB	Output is correct
9	Correct	9 ms	204 KB	Output is correct
10	Correct	5 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	6 ms	320 KB	Output is correct
13	Correct	7 ms	204 KB	Output is correct
14	Correct	7 ms	320 KB	Output is correct
15	Correct	9 ms	204 KB	Output is correct
16	Correct	13 ms	320 KB	Output is correct
17	Correct	10 ms	204 KB	Output is correct
18	Correct	10 ms	204 KB	Output is correct
19	Correct	14 ms	204 KB	Output is correct
20	Correct	10 ms	204 KB	Output is correct
21	Correct	0 ms	204 KB	Output is correct
22	Correct	0 ms	204 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	0 ms	204 KB	Output is correct
25	Correct	0 ms	204 KB	Output is correct
26	Correct	0 ms	204 KB	Output is correct
27	Correct	0 ms	204 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Incorrect	1 ms	204 KB	Output isn't correct
30	Halted	0 ms	0 KB	-