답안 #794852

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
794852	2023-07-27T01:27:04 Z	gun_gan	Let's Win the Election (JOI22_ho_t3)	C++17	100 / 100	163 ms	2380 KB

Main

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
 
const int MX = 505;
 
int N, K;
int a[MX], b[MX];
double dp[MX][MX];
 
vector<pair<int, int>> v;
 
int main() {
      cin.tie(0); ios_base::sync_with_stdio(0);
 
      cin >> N >> K;
 
      int tot = 0;
      for(int i = 1; i <= N; i++) {
            cin >> a[i] >> b[i];
            if(b[i] != -1) tot++;
            else b[i] = 1e9;
            v.push_back({b[i], a[i]});
      }
 
      sort(v.begin(), v.end());
 
      double ans = 1e9;
      for(int x = 0; x <= min(K, tot); x++) { // fixed collaborator
            for(int i = 0; i < MX; i++)
                  for(int j = 0; j < MX; j++)
                        dp[i][j] = 1e9;
       
            dp[0][0] = 0;
            for(int i = 0; i < N; i++) {
                  for(int j = 0; j <= K - x; j++) { // votes
                        if(dp[i][j] == 1e9) continue;

                        // ambil vote doang
                        dp[i + 1][j + 1] = min(dp[i + 1][j + 1], dp[i][j] + (double) v[i].second / (x + 1));
                        
                        // ambil collaborator / skip
                        if(i - j < x)
                              dp[i + 1][j] = min(dp[i + 1][j], dp[i][j] + (double) v[i].first / (i - j + 1));
                        else
                              dp[i + 1][j] = min(dp[i + 1][j], dp[i][j]); 
                  }
            }
 
            ans = min(ans, dp[N][K - x]);
      }
 
      cout << fixed << setprecision(15) << ans << '\n';
 
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2260 KB	Output is correct
2	Correct	1 ms	2260 KB	Output is correct
3	Correct	1 ms	2260 KB	Output is correct
4	Correct	1 ms	2260 KB	Output is correct
5	Correct	2 ms	2304 KB	Output is correct
6	Correct	1 ms	2260 KB	Output is correct
7	Correct	1 ms	2260 KB	Output is correct
8	Correct	1 ms	2260 KB	Output is correct
9	Correct	1 ms	2260 KB	Output is correct
10	Correct	1 ms	2260 KB	Output is correct

Subtask #2
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2260 KB	Output is correct
2	Correct	1 ms	2260 KB	Output is correct
3	Correct	1 ms	2260 KB	Output is correct
4	Correct	1 ms	2260 KB	Output is correct
5	Correct	2 ms	2304 KB	Output is correct
6	Correct	1 ms	2260 KB	Output is correct
7	Correct	1 ms	2260 KB	Output is correct
8	Correct	1 ms	2260 KB	Output is correct
9	Correct	1 ms	2260 KB	Output is correct
10	Correct	1 ms	2260 KB	Output is correct
11	Correct	1 ms	2260 KB	Output is correct
12	Correct	24 ms	2260 KB	Output is correct
13	Correct	24 ms	2328 KB	Output is correct
14	Correct	18 ms	2324 KB	Output is correct
15	Correct	86 ms	2260 KB	Output is correct
16	Correct	82 ms	2316 KB	Output is correct
17	Correct	31 ms	2260 KB	Output is correct
18	Correct	160 ms	2260 KB	Output is correct
19	Correct	116 ms	2308 KB	Output is correct
20	Correct	37 ms	2260 KB	Output is correct

Subtask #3
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2260 KB	Output is correct
2	Correct	1 ms	2260 KB	Output is correct
3	Correct	1 ms	2260 KB	Output is correct
4	Correct	1 ms	2260 KB	Output is correct
5	Correct	2 ms	2260 KB	Output is correct
6	Correct	2 ms	2260 KB	Output is correct
7	Correct	2 ms	2260 KB	Output is correct
8	Correct	1 ms	2260 KB	Output is correct
9	Correct	2 ms	2260 KB	Output is correct
10	Correct	2 ms	2260 KB	Output is correct
11	Correct	1 ms	2260 KB	Output is correct
12	Correct	1 ms	2260 KB	Output is correct
13	Correct	1 ms	2260 KB	Output is correct
14	Correct	1 ms	2260 KB	Output is correct
15	Correct	2 ms	2260 KB	Output is correct

Subtask #4
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2260 KB	Output is correct
2	Correct	1 ms	2260 KB	Output is correct
3	Correct	1 ms	2260 KB	Output is correct
4	Correct	1 ms	2260 KB	Output is correct
5	Correct	2 ms	2260 KB	Output is correct
6	Correct	2 ms	2260 KB	Output is correct
7	Correct	2 ms	2260 KB	Output is correct
8	Correct	1 ms	2260 KB	Output is correct
9	Correct	2 ms	2260 KB	Output is correct
10	Correct	2 ms	2260 KB	Output is correct
11	Correct	1 ms	2260 KB	Output is correct
12	Correct	1 ms	2260 KB	Output is correct
13	Correct	1 ms	2260 KB	Output is correct
14	Correct	1 ms	2260 KB	Output is correct
15	Correct	2 ms	2260 KB	Output is correct
16	Correct	1 ms	2260 KB	Output is correct
17	Correct	2 ms	2260 KB	Output is correct
18	Correct	2 ms	2260 KB	Output is correct
19	Correct	2 ms	2260 KB	Output is correct
20	Correct	3 ms	2212 KB	Output is correct
21	Correct	2 ms	2260 KB	Output is correct
22	Correct	2 ms	2260 KB	Output is correct
23	Correct	2 ms	2260 KB	Output is correct
24	Correct	2 ms	2260 KB	Output is correct
25	Correct	3 ms	2316 KB	Output is correct
26	Correct	3 ms	2260 KB	Output is correct
27	Correct	2 ms	2312 KB	Output is correct
28	Correct	2 ms	2260 KB	Output is correct
29	Correct	2 ms	2260 KB	Output is correct
30	Correct	2 ms	2260 KB	Output is correct
31	Correct	2 ms	2260 KB	Output is correct
32	Correct	2 ms	2260 KB	Output is correct
33	Correct	2 ms	2260 KB	Output is correct
34	Correct	2 ms	2312 KB	Output is correct
35	Correct	2 ms	2260 KB	Output is correct
36	Correct	2 ms	2228 KB	Output is correct
37	Correct	2 ms	2260 KB	Output is correct
38	Correct	2 ms	2316 KB	Output is correct
39	Correct	2 ms	2260 KB	Output is correct
40	Correct	2 ms	2260 KB	Output is correct

Subtask #5
33.0 / 33.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2260 KB	Output is correct
2	Correct	1 ms	2260 KB	Output is correct
3	Correct	1 ms	2260 KB	Output is correct
4	Correct	1 ms	2260 KB	Output is correct
5	Correct	2 ms	2260 KB	Output is correct
6	Correct	2 ms	2260 KB	Output is correct
7	Correct	2 ms	2260 KB	Output is correct
8	Correct	1 ms	2260 KB	Output is correct
9	Correct	2 ms	2260 KB	Output is correct
10	Correct	2 ms	2260 KB	Output is correct
11	Correct	1 ms	2260 KB	Output is correct
12	Correct	1 ms	2260 KB	Output is correct
13	Correct	1 ms	2260 KB	Output is correct
14	Correct	1 ms	2260 KB	Output is correct
15	Correct	2 ms	2260 KB	Output is correct
16	Correct	1 ms	2260 KB	Output is correct
17	Correct	2 ms	2260 KB	Output is correct
18	Correct	2 ms	2260 KB	Output is correct
19	Correct	2 ms	2260 KB	Output is correct
20	Correct	3 ms	2212 KB	Output is correct
21	Correct	2 ms	2260 KB	Output is correct
22	Correct	2 ms	2260 KB	Output is correct
23	Correct	2 ms	2260 KB	Output is correct
24	Correct	2 ms	2260 KB	Output is correct
25	Correct	3 ms	2316 KB	Output is correct
26	Correct	3 ms	2260 KB	Output is correct
27	Correct	2 ms	2312 KB	Output is correct
28	Correct	2 ms	2260 KB	Output is correct
29	Correct	2 ms	2260 KB	Output is correct
30	Correct	2 ms	2260 KB	Output is correct
31	Correct	2 ms	2260 KB	Output is correct
32	Correct	2 ms	2260 KB	Output is correct
33	Correct	2 ms	2260 KB	Output is correct
34	Correct	2 ms	2312 KB	Output is correct
35	Correct	2 ms	2260 KB	Output is correct
36	Correct	2 ms	2228 KB	Output is correct
37	Correct	2 ms	2260 KB	Output is correct
38	Correct	2 ms	2316 KB	Output is correct
39	Correct	2 ms	2260 KB	Output is correct
40	Correct	2 ms	2260 KB	Output is correct
41	Correct	2 ms	2316 KB	Output is correct
42	Correct	2 ms	2260 KB	Output is correct
43	Correct	4 ms	2304 KB	Output is correct
44	Correct	4 ms	2260 KB	Output is correct
45	Correct	5 ms	2316 KB	Output is correct
46	Correct	5 ms	2260 KB	Output is correct
47	Correct	7 ms	2260 KB	Output is correct
48	Correct	7 ms	2260 KB	Output is correct
49	Correct	8 ms	2260 KB	Output is correct
50	Correct	8 ms	2324 KB	Output is correct
51	Correct	10 ms	2260 KB	Output is correct
52	Correct	9 ms	2260 KB	Output is correct
53	Correct	7 ms	2320 KB	Output is correct
54	Correct	7 ms	2260 KB	Output is correct
55	Correct	7 ms	2260 KB	Output is correct
56	Correct	7 ms	2260 KB	Output is correct
57	Correct	7 ms	2260 KB	Output is correct
58	Correct	7 ms	2260 KB	Output is correct
59	Correct	7 ms	2316 KB	Output is correct
60	Correct	7 ms	2260 KB	Output is correct

Subtask #6
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	159 ms	2308 KB	Output is correct
2	Correct	163 ms	2308 KB	Output is correct
3	Correct	159 ms	2260 KB	Output is correct
4	Correct	158 ms	2252 KB	Output is correct
5	Correct	159 ms	2244 KB	Output is correct
6	Correct	161 ms	2312 KB	Output is correct
7	Correct	159 ms	2260 KB	Output is correct

Subtask #7
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2260 KB	Output is correct
2	Correct	1 ms	2260 KB	Output is correct
3	Correct	1 ms	2260 KB	Output is correct
4	Correct	1 ms	2260 KB	Output is correct
5	Correct	2 ms	2304 KB	Output is correct
6	Correct	1 ms	2260 KB	Output is correct
7	Correct	1 ms	2260 KB	Output is correct
8	Correct	1 ms	2260 KB	Output is correct
9	Correct	1 ms	2260 KB	Output is correct
10	Correct	1 ms	2260 KB	Output is correct
11	Correct	1 ms	2260 KB	Output is correct
12	Correct	24 ms	2260 KB	Output is correct
13	Correct	24 ms	2328 KB	Output is correct
14	Correct	18 ms	2324 KB	Output is correct
15	Correct	86 ms	2260 KB	Output is correct
16	Correct	82 ms	2316 KB	Output is correct
17	Correct	31 ms	2260 KB	Output is correct
18	Correct	160 ms	2260 KB	Output is correct
19	Correct	116 ms	2308 KB	Output is correct
20	Correct	37 ms	2260 KB	Output is correct
21	Correct	1 ms	2260 KB	Output is correct
22	Correct	1 ms	2260 KB	Output is correct
23	Correct	1 ms	2260 KB	Output is correct
24	Correct	1 ms	2260 KB	Output is correct
25	Correct	2 ms	2260 KB	Output is correct
26	Correct	2 ms	2260 KB	Output is correct
27	Correct	2 ms	2260 KB	Output is correct
28	Correct	1 ms	2260 KB	Output is correct
29	Correct	2 ms	2260 KB	Output is correct
30	Correct	2 ms	2260 KB	Output is correct
31	Correct	1 ms	2260 KB	Output is correct
32	Correct	1 ms	2260 KB	Output is correct
33	Correct	1 ms	2260 KB	Output is correct
34	Correct	1 ms	2260 KB	Output is correct
35	Correct	2 ms	2260 KB	Output is correct
36	Correct	1 ms	2260 KB	Output is correct
37	Correct	2 ms	2260 KB	Output is correct
38	Correct	2 ms	2260 KB	Output is correct
39	Correct	2 ms	2260 KB	Output is correct
40	Correct	3 ms	2212 KB	Output is correct
41	Correct	2 ms	2260 KB	Output is correct
42	Correct	2 ms	2260 KB	Output is correct
43	Correct	2 ms	2260 KB	Output is correct
44	Correct	2 ms	2260 KB	Output is correct
45	Correct	3 ms	2316 KB	Output is correct
46	Correct	3 ms	2260 KB	Output is correct
47	Correct	2 ms	2312 KB	Output is correct
48	Correct	2 ms	2260 KB	Output is correct
49	Correct	2 ms	2260 KB	Output is correct
50	Correct	2 ms	2260 KB	Output is correct
51	Correct	2 ms	2260 KB	Output is correct
52	Correct	2 ms	2260 KB	Output is correct
53	Correct	2 ms	2260 KB	Output is correct
54	Correct	2 ms	2312 KB	Output is correct
55	Correct	2 ms	2260 KB	Output is correct
56	Correct	2 ms	2228 KB	Output is correct
57	Correct	2 ms	2260 KB	Output is correct
58	Correct	2 ms	2316 KB	Output is correct
59	Correct	2 ms	2260 KB	Output is correct
60	Correct	2 ms	2260 KB	Output is correct
61	Correct	2 ms	2316 KB	Output is correct
62	Correct	2 ms	2260 KB	Output is correct
63	Correct	4 ms	2304 KB	Output is correct
64	Correct	4 ms	2260 KB	Output is correct
65	Correct	5 ms	2316 KB	Output is correct
66	Correct	5 ms	2260 KB	Output is correct
67	Correct	7 ms	2260 KB	Output is correct
68	Correct	7 ms	2260 KB	Output is correct
69	Correct	8 ms	2260 KB	Output is correct
70	Correct	8 ms	2324 KB	Output is correct
71	Correct	10 ms	2260 KB	Output is correct
72	Correct	9 ms	2260 KB	Output is correct
73	Correct	7 ms	2320 KB	Output is correct
74	Correct	7 ms	2260 KB	Output is correct
75	Correct	7 ms	2260 KB	Output is correct
76	Correct	7 ms	2260 KB	Output is correct
77	Correct	7 ms	2260 KB	Output is correct
78	Correct	7 ms	2260 KB	Output is correct
79	Correct	7 ms	2316 KB	Output is correct
80	Correct	7 ms	2260 KB	Output is correct
81	Correct	159 ms	2308 KB	Output is correct
82	Correct	163 ms	2308 KB	Output is correct
83	Correct	159 ms	2260 KB	Output is correct
84	Correct	158 ms	2252 KB	Output is correct
85	Correct	159 ms	2244 KB	Output is correct
86	Correct	161 ms	2312 KB	Output is correct
87	Correct	159 ms	2260 KB	Output is correct
88	Correct	7 ms	2260 KB	Output is correct
89	Correct	7 ms	2244 KB	Output is correct
90	Correct	18 ms	2332 KB	Output is correct
91	Correct	19 ms	2260 KB	Output is correct
92	Correct	50 ms	2308 KB	Output is correct
93	Correct	55 ms	2260 KB	Output is correct
94	Correct	96 ms	2308 KB	Output is correct
95	Correct	95 ms	2260 KB	Output is correct
96	Correct	131 ms	2312 KB	Output is correct
97	Correct	131 ms	2260 KB	Output is correct
98	Correct	85 ms	2316 KB	Output is correct
99	Correct	85 ms	2260 KB	Output is correct
100	Correct	85 ms	2308 KB	Output is correct
101	Correct	86 ms	2312 KB	Output is correct
102	Correct	85 ms	2260 KB	Output is correct
103	Correct	86 ms	2312 KB	Output is correct
104	Correct	90 ms	2320 KB	Output is correct
105	Correct	85 ms	2380 KB	Output is correct

답안 #794852

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