Submission #923867

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
923867	2024-02-08T03:56:37 Z	goodspeed0208	Let's Win the Election (JOI22_ho_t3)	C++14	56 / 100	2500 ms	1018820 KB

Main

#include<bits/stdc++.h>
#define pii pair<int, int>
#define INF 5000000
using namespace std;
 
bool cmp(pii a, pii b) {
	if (a.second == -1 && b.second == -1) return a.first < b.first;
	if (a.second == -1) return (1 > 2);
	if (b.second == -1) return (1 < 2);
	if (a.second == b.second) return a.first > b.first;
	return a.second < b.second;
}
 
signed main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	int n, K;
	cin >> n >> K;
	vector<pii>v(n+1);
	vector<double>a(n+1), b(n+1);
	for (int i = 1 ; i <=  n ;i++) cin >> v[i].first >> v[i].second;
	sort(v.begin()+1, v.end(), cmp);
	for (int i = 1 ; i <= n ;i++) a[i] = (double)v[i].first, b[i] = (double)v[i].second;
	
	vector<vector<vector<double> > >dp(505, vector<vector<double> >(505, vector<double>(505, INF)) );
	//double dp[505][505][505];
	dp[0][0][1] = 0.0;
	double ans = INF;
	for (int help = 1 ; help <= K ; help++) {
	    for (int i = 1 ; i <= n ; i++) {//first i people
	        //cout << i << ": \n";
    		for (int j = 0 ; j <= min(K, i) ; j++) {// have how many people
    			//cout << j << ": ";
    			for (int k = 1 ; k <= min(j+1, help) ; k++) {// get how many people
    				dp[i][j][k] = dp[i-1][j][k];
    				if (j > 0) dp[i][j][k] = min(dp[i][j][k], dp[i-1][j-1][k] + (a[i] / help));
    				if (k > 1 && b[i] != -1) dp[i][j][k] = min(dp[i][j][k], dp[i-1][j-1][k-1] + b[i] / (k-1));
    				//cout << dp[i][j][k] <<" ";
    				if (j == K && k == help) ans = min(ans, dp[i][j][k]);
    			}
    			//cout << "\n";
    		}
    	}
	}
	
	cout << fixed << setprecision(6) << ans << "\n";
	//for (auto &i : v) cout << i.first <<" " << i.second << "\n";
}

Subtask #1
0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	446 ms	1018320 KB	Output is correct
2	Correct	408 ms	1018604 KB	Output is correct
3	Correct	401 ms	1018452 KB	Output is correct
4	Correct	420 ms	1018584 KB	Output is correct
5	Correct	498 ms	1018580 KB	Output is correct
6	Correct	1674 ms	1018584 KB	Output is correct
7	Execution timed out	2614 ms	1018668 KB	Time limit exceeded
8	Halted	0 ms	0 KB	-

Subtask #2
0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	446 ms	1018320 KB	Output is correct
2	Correct	408 ms	1018604 KB	Output is correct
3	Correct	401 ms	1018452 KB	Output is correct
4	Correct	420 ms	1018584 KB	Output is correct
5	Correct	498 ms	1018580 KB	Output is correct
6	Correct	1674 ms	1018584 KB	Output is correct
7	Execution timed out	2614 ms	1018668 KB	Time limit exceeded
8	Halted	0 ms	0 KB	-

Subtask #3
11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	414 ms	1018684 KB	Output is correct
2	Correct	402 ms	1018452 KB	Output is correct
3	Correct	411 ms	1018620 KB	Output is correct
4	Correct	402 ms	1018508 KB	Output is correct
5	Correct	408 ms	1018820 KB	Output is correct
6	Correct	406 ms	1018484 KB	Output is correct
7	Correct	404 ms	1018416 KB	Output is correct
8	Correct	409 ms	1018452 KB	Output is correct
9	Correct	402 ms	1018568 KB	Output is correct
10	Correct	406 ms	1018412 KB	Output is correct
11	Correct	406 ms	1018452 KB	Output is correct
12	Correct	406 ms	1018452 KB	Output is correct
13	Correct	402 ms	1018448 KB	Output is correct
14	Correct	407 ms	1018360 KB	Output is correct
15	Correct	402 ms	1018452 KB	Output is correct

Subtask #4
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	414 ms	1018684 KB	Output is correct
2	Correct	402 ms	1018452 KB	Output is correct
3	Correct	411 ms	1018620 KB	Output is correct
4	Correct	402 ms	1018508 KB	Output is correct
5	Correct	408 ms	1018820 KB	Output is correct
6	Correct	406 ms	1018484 KB	Output is correct
7	Correct	404 ms	1018416 KB	Output is correct
8	Correct	409 ms	1018452 KB	Output is correct
9	Correct	402 ms	1018568 KB	Output is correct
10	Correct	406 ms	1018412 KB	Output is correct
11	Correct	406 ms	1018452 KB	Output is correct
12	Correct	406 ms	1018452 KB	Output is correct
13	Correct	402 ms	1018448 KB	Output is correct
14	Correct	407 ms	1018360 KB	Output is correct
15	Correct	402 ms	1018452 KB	Output is correct
16	Correct	401 ms	1018448 KB	Output is correct
17	Correct	403 ms	1018576 KB	Output is correct
18	Correct	405 ms	1018476 KB	Output is correct
19	Correct	404 ms	1018468 KB	Output is correct
20	Correct	400 ms	1018448 KB	Output is correct
21	Correct	409 ms	1018588 KB	Output is correct
22	Correct	406 ms	1018440 KB	Output is correct
23	Correct	403 ms	1018444 KB	Output is correct
24	Correct	414 ms	1018424 KB	Output is correct
25	Correct	403 ms	1018452 KB	Output is correct
26	Correct	402 ms	1018556 KB	Output is correct
27	Correct	409 ms	1018452 KB	Output is correct
28	Correct	425 ms	1018708 KB	Output is correct
29	Correct	407 ms	1018452 KB	Output is correct
30	Correct	409 ms	1018452 KB	Output is correct
31	Correct	409 ms	1018448 KB	Output is correct
32	Correct	403 ms	1018368 KB	Output is correct
33	Correct	416 ms	1018704 KB	Output is correct
34	Correct	425 ms	1018376 KB	Output is correct
35	Correct	413 ms	1018460 KB	Output is correct
36	Correct	424 ms	1018348 KB	Output is correct
37	Correct	399 ms	1018568 KB	Output is correct
38	Correct	405 ms	1018448 KB	Output is correct
39	Correct	407 ms	1018536 KB	Output is correct
40	Correct	404 ms	1018452 KB	Output is correct

Subtask #5
33.0 / 33.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	414 ms	1018684 KB	Output is correct
2	Correct	402 ms	1018452 KB	Output is correct
3	Correct	411 ms	1018620 KB	Output is correct
4	Correct	402 ms	1018508 KB	Output is correct
5	Correct	408 ms	1018820 KB	Output is correct
6	Correct	406 ms	1018484 KB	Output is correct
7	Correct	404 ms	1018416 KB	Output is correct
8	Correct	409 ms	1018452 KB	Output is correct
9	Correct	402 ms	1018568 KB	Output is correct
10	Correct	406 ms	1018412 KB	Output is correct
11	Correct	406 ms	1018452 KB	Output is correct
12	Correct	406 ms	1018452 KB	Output is correct
13	Correct	402 ms	1018448 KB	Output is correct
14	Correct	407 ms	1018360 KB	Output is correct
15	Correct	402 ms	1018452 KB	Output is correct
16	Correct	401 ms	1018448 KB	Output is correct
17	Correct	403 ms	1018576 KB	Output is correct
18	Correct	405 ms	1018476 KB	Output is correct
19	Correct	404 ms	1018468 KB	Output is correct
20	Correct	400 ms	1018448 KB	Output is correct
21	Correct	409 ms	1018588 KB	Output is correct
22	Correct	406 ms	1018440 KB	Output is correct
23	Correct	403 ms	1018444 KB	Output is correct
24	Correct	414 ms	1018424 KB	Output is correct
25	Correct	403 ms	1018452 KB	Output is correct
26	Correct	402 ms	1018556 KB	Output is correct
27	Correct	409 ms	1018452 KB	Output is correct
28	Correct	425 ms	1018708 KB	Output is correct
29	Correct	407 ms	1018452 KB	Output is correct
30	Correct	409 ms	1018452 KB	Output is correct
31	Correct	409 ms	1018448 KB	Output is correct
32	Correct	403 ms	1018368 KB	Output is correct
33	Correct	416 ms	1018704 KB	Output is correct
34	Correct	425 ms	1018376 KB	Output is correct
35	Correct	413 ms	1018460 KB	Output is correct
36	Correct	424 ms	1018348 KB	Output is correct
37	Correct	399 ms	1018568 KB	Output is correct
38	Correct	405 ms	1018448 KB	Output is correct
39	Correct	407 ms	1018536 KB	Output is correct
40	Correct	404 ms	1018452 KB	Output is correct
41	Correct	413 ms	1018448 KB	Output is correct
42	Correct	407 ms	1018592 KB	Output is correct
43	Correct	410 ms	1018452 KB	Output is correct
44	Correct	411 ms	1018564 KB	Output is correct
45	Correct	413 ms	1018452 KB	Output is correct
46	Correct	417 ms	1018408 KB	Output is correct
47	Correct	419 ms	1018432 KB	Output is correct
48	Correct	417 ms	1018544 KB	Output is correct
49	Correct	438 ms	1018708 KB	Output is correct
50	Correct	433 ms	1018452 KB	Output is correct
51	Correct	444 ms	1018452 KB	Output is correct
52	Correct	444 ms	1018572 KB	Output is correct
53	Correct	427 ms	1018392 KB	Output is correct
54	Correct	424 ms	1018464 KB	Output is correct
55	Correct	415 ms	1018448 KB	Output is correct
56	Correct	419 ms	1018392 KB	Output is correct
57	Correct	422 ms	1018464 KB	Output is correct
58	Correct	430 ms	1018528 KB	Output is correct
59	Correct	431 ms	1018452 KB	Output is correct
60	Correct	427 ms	1018684 KB	Output is correct

Subtask #6
0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	2611 ms	1018516 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #7
0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	446 ms	1018320 KB	Output is correct
2	Correct	408 ms	1018604 KB	Output is correct
3	Correct	401 ms	1018452 KB	Output is correct
4	Correct	420 ms	1018584 KB	Output is correct
5	Correct	498 ms	1018580 KB	Output is correct
6	Correct	1674 ms	1018584 KB	Output is correct
7	Execution timed out	2614 ms	1018668 KB	Time limit exceeded
8	Halted	0 ms	0 KB	-

Submission #923867

Compilation message

Subtask #1 0 / 5.0

Subtask #2 0 / 5.0

Subtask #3 11.0 / 11.0

Subtask #4 12.0 / 12.0

Subtask #5 33.0 / 33.0

Subtask #6 0 / 11.0

Subtask #7 0 / 23.0

Subtask #1
0 / 5.0

Subtask #2
0 / 5.0

Subtask #3
11.0 / 11.0

Subtask #4
12.0 / 12.0

Subtask #5
33.0 / 33.0

Subtask #6
0 / 11.0

Subtask #7
0 / 23.0