답안 #859147

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
859147	2023-10-09T20:20:44 Z	Brek	Let's Win the Election (JOI22_ho_t3)	C++14	100 / 100	107 ms	596 KB

Main

#include <bits/stdc++.h>
using namespace std;

double dp[509];
pair<double, double> t[509];
double w = 1000000000000000000;
int n, k;

bool cmp(pair<double, double> a, pair<double, double> b){
	return a.second < b.second;
}

double wynik(int x){
	for(int i = 0; i <= n; i++){
		dp[i] = 1000000000000000000;
	}
	//vector<double>dp(k - x + 1, 1e9);
	dp[0] = 0;
	for(int i = 0; i < n; i++) {
		for(int j = min(i + 1, k - x); j >= 0; j--) {
			double popdp = dp[j];
			if(j > 0) {
				dp[j] = dp[j - 1] + t[i].first / (double)(x + 1);
			}
			else {
				dp[j] = 1e9;
			}
			if(0 < (i + 1) - j && (i + 1) - j <= x) {
				dp[j] = min(dp[j], popdp + t[i].second / (double)((i + 1) - j));
			}
			else {
				dp[j] = min(dp[j], popdp);
			}
		}
	}
	return dp[k - x];
}

int main(){
	ios_base::sync_with_stdio(0); cout.tie(0); cin.tie(0);
	
	cin>>n>>k;
	for(int i = 0; i < n; i++){
		cin>>t[i].first>>t[i].second;
		if(t[i].second == -1) t[i].second = 1000000000000000120;
	}
	sort(t, t + n, cmp);
	for(int i = 0; i <= k; i++){
		w = min(w, wynik(i));
	}
	cout<<fixed<<setprecision(9)<<w<<endl;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	1 ms	544 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	2 ms	348 KB	Output is correct
6	Correct	7 ms	348 KB	Output is correct
7	Correct	27 ms	348 KB	Output is correct
8	Correct	55 ms	348 KB	Output is correct
9	Correct	103 ms	344 KB	Output is correct
10	Correct	50 ms	348 KB	Output is correct

Subtask #2
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	1 ms	544 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	2 ms	348 KB	Output is correct
6	Correct	7 ms	348 KB	Output is correct
7	Correct	27 ms	348 KB	Output is correct
8	Correct	55 ms	348 KB	Output is correct
9	Correct	103 ms	344 KB	Output is correct
10	Correct	50 ms	348 KB	Output is correct
11	Correct	0 ms	344 KB	Output is correct
12	Correct	12 ms	348 KB	Output is correct
13	Correct	10 ms	348 KB	Output is correct
14	Correct	10 ms	348 KB	Output is correct
15	Correct	49 ms	344 KB	Output is correct
16	Correct	49 ms	348 KB	Output is correct
17	Correct	49 ms	348 KB	Output is correct
18	Correct	97 ms	348 KB	Output is correct
19	Correct	97 ms	344 KB	Output is correct
20	Correct	105 ms	348 KB	Output is correct

Subtask #3
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	1 ms	356 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct

Subtask #4
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	1 ms	356 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	344 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	0 ms	344 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Correct	1 ms	344 KB	Output is correct
33	Correct	1 ms	344 KB	Output is correct
34	Correct	0 ms	348 KB	Output is correct
35	Correct	0 ms	348 KB	Output is correct
36	Correct	0 ms	348 KB	Output is correct
37	Correct	1 ms	348 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	0 ms	348 KB	Output is correct
40	Correct	0 ms	348 KB	Output is correct

Subtask #5
33.0 / 33.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	1 ms	356 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	344 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	0 ms	344 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Correct	1 ms	344 KB	Output is correct
33	Correct	1 ms	344 KB	Output is correct
34	Correct	0 ms	348 KB	Output is correct
35	Correct	0 ms	348 KB	Output is correct
36	Correct	0 ms	348 KB	Output is correct
37	Correct	1 ms	348 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	0 ms	348 KB	Output is correct
40	Correct	0 ms	348 KB	Output is correct
41	Correct	0 ms	348 KB	Output is correct
42	Correct	0 ms	348 KB	Output is correct
43	Correct	1 ms	348 KB	Output is correct
44	Correct	0 ms	348 KB	Output is correct
45	Correct	1 ms	348 KB	Output is correct
46	Correct	1 ms	348 KB	Output is correct
47	Correct	1 ms	348 KB	Output is correct
48	Correct	1 ms	348 KB	Output is correct
49	Correct	1 ms	348 KB	Output is correct
50	Correct	1 ms	348 KB	Output is correct
51	Correct	2 ms	348 KB	Output is correct
52	Correct	1 ms	348 KB	Output is correct
53	Correct	1 ms	348 KB	Output is correct
54	Correct	1 ms	348 KB	Output is correct
55	Correct	1 ms	348 KB	Output is correct
56	Correct	1 ms	348 KB	Output is correct
57	Correct	1 ms	348 KB	Output is correct
58	Correct	1 ms	348 KB	Output is correct
59	Correct	1 ms	348 KB	Output is correct
60	Correct	1 ms	348 KB	Output is correct

Subtask #6
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	97 ms	348 KB	Output is correct
2	Correct	98 ms	448 KB	Output is correct
3	Correct	107 ms	440 KB	Output is correct
4	Correct	97 ms	348 KB	Output is correct
5	Correct	97 ms	344 KB	Output is correct
6	Correct	97 ms	348 KB	Output is correct
7	Correct	105 ms	444 KB	Output is correct

Subtask #7
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	1 ms	544 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	2 ms	348 KB	Output is correct
6	Correct	7 ms	348 KB	Output is correct
7	Correct	27 ms	348 KB	Output is correct
8	Correct	55 ms	348 KB	Output is correct
9	Correct	103 ms	344 KB	Output is correct
10	Correct	50 ms	348 KB	Output is correct
11	Correct	0 ms	344 KB	Output is correct
12	Correct	12 ms	348 KB	Output is correct
13	Correct	10 ms	348 KB	Output is correct
14	Correct	10 ms	348 KB	Output is correct
15	Correct	49 ms	344 KB	Output is correct
16	Correct	49 ms	348 KB	Output is correct
17	Correct	49 ms	348 KB	Output is correct
18	Correct	97 ms	348 KB	Output is correct
19	Correct	97 ms	344 KB	Output is correct
20	Correct	105 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	1 ms	356 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Correct	0 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	0 ms	348 KB	Output is correct
35	Correct	0 ms	348 KB	Output is correct
36	Correct	0 ms	348 KB	Output is correct
37	Correct	0 ms	348 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	0 ms	344 KB	Output is correct
40	Correct	1 ms	348 KB	Output is correct
41	Correct	0 ms	344 KB	Output is correct
42	Correct	0 ms	348 KB	Output is correct
43	Correct	1 ms	348 KB	Output is correct
44	Correct	0 ms	348 KB	Output is correct
45	Correct	0 ms	348 KB	Output is correct
46	Correct	0 ms	348 KB	Output is correct
47	Correct	0 ms	348 KB	Output is correct
48	Correct	0 ms	348 KB	Output is correct
49	Correct	0 ms	348 KB	Output is correct
50	Correct	0 ms	348 KB	Output is correct
51	Correct	0 ms	348 KB	Output is correct
52	Correct	1 ms	344 KB	Output is correct
53	Correct	1 ms	344 KB	Output is correct
54	Correct	0 ms	348 KB	Output is correct
55	Correct	0 ms	348 KB	Output is correct
56	Correct	0 ms	348 KB	Output is correct
57	Correct	1 ms	348 KB	Output is correct
58	Correct	0 ms	348 KB	Output is correct
59	Correct	0 ms	348 KB	Output is correct
60	Correct	0 ms	348 KB	Output is correct
61	Correct	0 ms	348 KB	Output is correct
62	Correct	0 ms	348 KB	Output is correct
63	Correct	1 ms	348 KB	Output is correct
64	Correct	0 ms	348 KB	Output is correct
65	Correct	1 ms	348 KB	Output is correct
66	Correct	1 ms	348 KB	Output is correct
67	Correct	1 ms	348 KB	Output is correct
68	Correct	1 ms	348 KB	Output is correct
69	Correct	1 ms	348 KB	Output is correct
70	Correct	1 ms	348 KB	Output is correct
71	Correct	2 ms	348 KB	Output is correct
72	Correct	1 ms	348 KB	Output is correct
73	Correct	1 ms	348 KB	Output is correct
74	Correct	1 ms	348 KB	Output is correct
75	Correct	1 ms	348 KB	Output is correct
76	Correct	1 ms	348 KB	Output is correct
77	Correct	1 ms	348 KB	Output is correct
78	Correct	1 ms	348 KB	Output is correct
79	Correct	1 ms	348 KB	Output is correct
80	Correct	1 ms	348 KB	Output is correct
81	Correct	97 ms	348 KB	Output is correct
82	Correct	98 ms	448 KB	Output is correct
83	Correct	107 ms	440 KB	Output is correct
84	Correct	97 ms	348 KB	Output is correct
85	Correct	97 ms	344 KB	Output is correct
86	Correct	97 ms	348 KB	Output is correct
87	Correct	105 ms	444 KB	Output is correct
88	Correct	2 ms	348 KB	Output is correct
89	Correct	2 ms	348 KB	Output is correct
90	Correct	7 ms	348 KB	Output is correct
91	Correct	7 ms	348 KB	Output is correct
92	Correct	26 ms	468 KB	Output is correct
93	Correct	25 ms	468 KB	Output is correct
94	Correct	56 ms	348 KB	Output is correct
95	Correct	58 ms	348 KB	Output is correct
96	Correct	81 ms	596 KB	Output is correct
97	Correct	79 ms	348 KB	Output is correct
98	Correct	49 ms	348 KB	Output is correct
99	Correct	49 ms	348 KB	Output is correct
100	Correct	50 ms	348 KB	Output is correct
101	Correct	49 ms	344 KB	Output is correct
102	Correct	49 ms	344 KB	Output is correct
103	Correct	49 ms	348 KB	Output is correct
104	Correct	48 ms	348 KB	Output is correct
105	Correct	49 ms	344 KB	Output is correct

답안 #859147

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 5.0 / 5.0

Subtask #3 11.0 / 11.0

Subtask #4 12.0 / 12.0

Subtask #5 33.0 / 33.0

Subtask #6 11.0 / 11.0

Subtask #7 23.0 / 23.0

Subtask #1
5.0 / 5.0

Subtask #2
5.0 / 5.0

Subtask #3
11.0 / 11.0

Subtask #4
12.0 / 12.0

Subtask #5
33.0 / 33.0

Subtask #6
11.0 / 11.0

Subtask #7
23.0 / 23.0