Submission #923830

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
923830	2024-02-07T22:12:59 Z	OAleksa	Let's Win the Election (JOI22_ho_t3)	C++14	23 / 100	2500 ms	632 KB

Main

#include <bits/stdc++.h>
using namespace std;
#define f first
#define s second
#define int long long
const int N = 550;
const int inf = 1e18;
int n, k;
pair<int, int> a[N];
signed main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  int tt = 1;
  //cin >> tt;
  while (tt--) {
  	cin >> n >> k;
  	vector<int> tm;
  	for (int i = 0;i < n;i++) {
  		cin >> a[i].f >> a[i].s;
  		tm.push_back(a[i].f);
  		if (a[i].s == -1)
  			a[i].s = inf;
  	}
  	double ans = 0;
  	sort(tm.begin(), tm.end());
  	for (int i = 0;i < k;i++)
  		ans += tm[i];
  	for (int mask = 1;mask < (1 << n);mask++) {
  		vector<int> gas;
  		for (int i = 0;i < n;i++) {
  			if (mask & (1 << i)) {
  				gas.push_back(a[i].s);
  			}
  		}
  		sort(gas.begin(), gas.end());
  		int m = gas.size();
  		if (m > k)
  			continue;
  		double s = 0;
  		int i = 1;
  		for (auto u : gas)
  			s += (double)u / (i++);
  		vector<int> o;
  		for (int i = 0;i < n;i++) {
  			if (!(mask & (1 << i)))	
  				o.push_back(a[i].f);
  		}
  		sort(o.begin(), o.end());
  		for (int i = 0;i < k - m;i++)
  			s += (double)o[i] / (m + 1);
  		ans = min(ans, s);
  	}
	  cout << fixed << setprecision(15) << ans;
  }
  return 0;
}

Subtask #1

0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	360 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1958 ms	452 KB	Output is correct
6	Execution timed out	2548 ms	344 KB	Time limit exceeded
7	Halted	0 ms	0 KB	-

Subtask #2

0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	360 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1958 ms	452 KB	Output is correct
6	Execution timed out	2548 ms	344 KB	Time limit exceeded
7	Halted	0 ms	0 KB	-

Subtask #3

11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	344 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	344 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	344 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	344 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct

Subtask #4

12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	344 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	344 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	344 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	344 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	263 ms	432 KB	Output is correct
17	Correct	356 ms	432 KB	Output is correct
18	Correct	358 ms	432 KB	Output is correct
19	Correct	492 ms	436 KB	Output is correct
20	Correct	505 ms	432 KB	Output is correct
21	Correct	498 ms	432 KB	Output is correct
22	Correct	496 ms	600 KB	Output is correct
23	Correct	508 ms	432 KB	Output is correct
24	Correct	515 ms	432 KB	Output is correct
25	Correct	530 ms	432 KB	Output is correct
26	Correct	526 ms	432 KB	Output is correct
27	Correct	497 ms	436 KB	Output is correct
28	Correct	498 ms	428 KB	Output is correct
29	Correct	484 ms	592 KB	Output is correct
30	Correct	524 ms	632 KB	Output is correct
31	Correct	510 ms	348 KB	Output is correct
32	Correct	510 ms	432 KB	Output is correct
33	Correct	493 ms	348 KB	Output is correct
34	Correct	497 ms	432 KB	Output is correct
35	Correct	494 ms	436 KB	Output is correct
36	Correct	504 ms	436 KB	Output is correct
37	Correct	494 ms	432 KB	Output is correct
38	Correct	489 ms	428 KB	Output is correct
39	Correct	527 ms	436 KB	Output is correct
40	Correct	504 ms	428 KB	Output is correct

Subtask #5

0 / 33.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	344 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	344 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	344 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	344 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	263 ms	432 KB	Output is correct
17	Correct	356 ms	432 KB	Output is correct
18	Correct	358 ms	432 KB	Output is correct
19	Correct	492 ms	436 KB	Output is correct
20	Correct	505 ms	432 KB	Output is correct
21	Correct	498 ms	432 KB	Output is correct
22	Correct	496 ms	600 KB	Output is correct
23	Correct	508 ms	432 KB	Output is correct
24	Correct	515 ms	432 KB	Output is correct
25	Correct	530 ms	432 KB	Output is correct
26	Correct	526 ms	432 KB	Output is correct
27	Correct	497 ms	436 KB	Output is correct
28	Correct	498 ms	428 KB	Output is correct
29	Correct	484 ms	592 KB	Output is correct
30	Correct	524 ms	632 KB	Output is correct
31	Correct	510 ms	348 KB	Output is correct
32	Correct	510 ms	432 KB	Output is correct
33	Correct	493 ms	348 KB	Output is correct
34	Correct	497 ms	432 KB	Output is correct
35	Correct	494 ms	436 KB	Output is correct
36	Correct	504 ms	436 KB	Output is correct
37	Correct	494 ms	432 KB	Output is correct
38	Correct	489 ms	428 KB	Output is correct
39	Correct	527 ms	436 KB	Output is correct
40	Correct	504 ms	428 KB	Output is correct
41	Incorrect	0 ms	344 KB	Output isn't correct
42	Halted	0 ms	0 KB	-

Subtask #6

0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	2519 ms	600 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #7

0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	360 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1958 ms	452 KB	Output is correct
6	Execution timed out	2548 ms	344 KB	Time limit exceeded
7	Halted	0 ms	0 KB	-