답안 #973991

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
973991	2024-05-02T14:25:51 Z	berr	Let's Win the Election (JOI22_ho_t3)	C++17	100 / 100	191 ms	4448 KB

Main

#include <bits/stdc++.h>
using namespace std;
const int N = 505;
 
double dp[N][N], mi[N][N];
 
signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    
    int n, k; cin >> n >> k;
 
    vector<array<int, 2>> a(n);
 
    for(auto &[i, l]: a) cin >> i >> l;
 
    sort(a.begin(), a.end(), [&](auto x, auto y){
        if(x[1]==y[1]) return x[0] < y[0];
        else if(y[1]==-1) return true;
        else if(x[1]==-1) return false;
         return x[1]<y[1]; 
    });
    

    double ans=1e9;

    for(int i=0; i<=n; i++){
        for(int l=0; l<=n; l++){
            mi[i][l]=1e9;
        }
    }
    mi[n][0]=0;

    for(int i=n-1; i>=0; i--){
        mi[i][0]=0;

        for(int l=n; l>0; l--){

            mi[i][l]=min(mi[i+1][l], mi[i+1][l-1]+a[i][0]);
        }
    }


    auto calc=[&](int e){
       
        for(int i=0; i<=n+1; i++){
            for(int l=0; l<=n+1; l++){
                dp[i][l]=1e9;
            }
        }
     
        for(int i=0; i<=k; i++){
            if(a[i][1]==-1) break;
                dp[i][0]=(i==0?0:dp[i-1][0])+(double)a[i][0]/(double)(e+1);
            if(i>0)
                for(int l=e; l>=1; l--)
                dp[i][l] =min<double>(dp[i-1][l-1]+(double)a[i][1]/(double)(l), dp[i-1][l]+((double)a[i][0])/(double)(e+1)); 
            
            else dp[i][1]=a[i][1];
            
        }   

        for(int i=0; i<k; i++){
            if(mi[i+1][k-i-1]!=1e9&&dp[i][e]!=(1e9))
            ans=min(ans, dp[i][e]+(double)mi[i+1][k-i-1]/(double)(e+1));
        }

    };


    for(int i=1; i<=k; i++){
        calc(i);
    }

    ans=min(ans, mi[0][k]);

    cout<<fixed<<" "<<setprecision(9)<<ans<<"\n";
    
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2392 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	10 ms	4444 KB	Output is correct
6	Correct	21 ms	4444 KB	Output is correct
7	Correct	43 ms	4444 KB	Output is correct
8	Correct	62 ms	4188 KB	Output is correct
9	Correct	82 ms	4188 KB	Output is correct
10	Correct	58 ms	4184 KB	Output is correct

Subtask #2
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2392 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	10 ms	4444 KB	Output is correct
6	Correct	21 ms	4444 KB	Output is correct
7	Correct	43 ms	4444 KB	Output is correct
8	Correct	62 ms	4188 KB	Output is correct
9	Correct	82 ms	4188 KB	Output is correct
10	Correct	58 ms	4184 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	28 ms	4184 KB	Output is correct
13	Correct	29 ms	4440 KB	Output is correct
14	Correct	27 ms	4444 KB	Output is correct
15	Correct	96 ms	4444 KB	Output is correct
16	Correct	86 ms	4444 KB	Output is correct
17	Correct	68 ms	4444 KB	Output is correct
18	Correct	180 ms	4444 KB	Output is correct
19	Correct	141 ms	4440 KB	Output is correct
20	Correct	102 ms	4184 KB	Output is correct

Subtask #3
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2392 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2712 KB	Output is correct
12	Correct	1 ms	2396 KB	Output is correct
13	Correct	1 ms	2396 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct

Subtask #4
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2392 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2712 KB	Output is correct
12	Correct	1 ms	2396 KB	Output is correct
13	Correct	1 ms	2396 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2392 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Correct	1 ms	2396 KB	Output is correct
19	Correct	1 ms	2396 KB	Output is correct
20	Correct	1 ms	2396 KB	Output is correct
21	Correct	1 ms	2396 KB	Output is correct
22	Correct	1 ms	2648 KB	Output is correct
23	Correct	1 ms	2392 KB	Output is correct
24	Correct	1 ms	2392 KB	Output is correct
25	Correct	1 ms	2396 KB	Output is correct
26	Correct	1 ms	2396 KB	Output is correct
27	Correct	0 ms	2516 KB	Output is correct
28	Correct	1 ms	2396 KB	Output is correct
29	Correct	1 ms	2512 KB	Output is correct
30	Correct	1 ms	2648 KB	Output is correct
31	Correct	1 ms	2396 KB	Output is correct
32	Correct	1 ms	2396 KB	Output is correct
33	Correct	1 ms	2396 KB	Output is correct
34	Correct	1 ms	2648 KB	Output is correct
35	Correct	1 ms	2396 KB	Output is correct
36	Correct	1 ms	2392 KB	Output is correct
37	Correct	1 ms	2396 KB	Output is correct
38	Correct	1 ms	2392 KB	Output is correct
39	Correct	1 ms	2396 KB	Output is correct
40	Correct	1 ms	2396 KB	Output is correct

Subtask #5
33.0 / 33.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2392 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2712 KB	Output is correct
12	Correct	1 ms	2396 KB	Output is correct
13	Correct	1 ms	2396 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2392 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Correct	1 ms	2396 KB	Output is correct
19	Correct	1 ms	2396 KB	Output is correct
20	Correct	1 ms	2396 KB	Output is correct
21	Correct	1 ms	2396 KB	Output is correct
22	Correct	1 ms	2648 KB	Output is correct
23	Correct	1 ms	2392 KB	Output is correct
24	Correct	1 ms	2392 KB	Output is correct
25	Correct	1 ms	2396 KB	Output is correct
26	Correct	1 ms	2396 KB	Output is correct
27	Correct	0 ms	2516 KB	Output is correct
28	Correct	1 ms	2396 KB	Output is correct
29	Correct	1 ms	2512 KB	Output is correct
30	Correct	1 ms	2648 KB	Output is correct
31	Correct	1 ms	2396 KB	Output is correct
32	Correct	1 ms	2396 KB	Output is correct
33	Correct	1 ms	2396 KB	Output is correct
34	Correct	1 ms	2648 KB	Output is correct
35	Correct	1 ms	2396 KB	Output is correct
36	Correct	1 ms	2392 KB	Output is correct
37	Correct	1 ms	2396 KB	Output is correct
38	Correct	1 ms	2392 KB	Output is correct
39	Correct	1 ms	2396 KB	Output is correct
40	Correct	1 ms	2396 KB	Output is correct
41	Correct	1 ms	2652 KB	Output is correct
42	Correct	1 ms	2652 KB	Output is correct
43	Correct	1 ms	2652 KB	Output is correct
44	Correct	1 ms	2716 KB	Output is correct
45	Correct	1 ms	2652 KB	Output is correct
46	Correct	1 ms	2652 KB	Output is correct
47	Correct	2 ms	2652 KB	Output is correct
48	Correct	2 ms	2652 KB	Output is correct
49	Correct	2 ms	2652 KB	Output is correct
50	Correct	2 ms	2712 KB	Output is correct
51	Correct	3 ms	2648 KB	Output is correct
52	Correct	2 ms	2648 KB	Output is correct
53	Correct	2 ms	2652 KB	Output is correct
54	Correct	1 ms	2652 KB	Output is correct
55	Correct	2 ms	2652 KB	Output is correct
56	Correct	1 ms	2764 KB	Output is correct
57	Correct	2 ms	2652 KB	Output is correct
58	Correct	1 ms	2652 KB	Output is correct
59	Correct	1 ms	2652 KB	Output is correct
60	Correct	2 ms	2900 KB	Output is correct

Subtask #6
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	188 ms	4436 KB	Output is correct
2	Correct	191 ms	4416 KB	Output is correct
3	Correct	179 ms	4424 KB	Output is correct
4	Correct	181 ms	4432 KB	Output is correct
5	Correct	178 ms	4416 KB	Output is correct
6	Correct	182 ms	4184 KB	Output is correct
7	Correct	184 ms	4436 KB	Output is correct

Subtask #7
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2392 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	10 ms	4444 KB	Output is correct
6	Correct	21 ms	4444 KB	Output is correct
7	Correct	43 ms	4444 KB	Output is correct
8	Correct	62 ms	4188 KB	Output is correct
9	Correct	82 ms	4188 KB	Output is correct
10	Correct	58 ms	4184 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	28 ms	4184 KB	Output is correct
13	Correct	29 ms	4440 KB	Output is correct
14	Correct	27 ms	4444 KB	Output is correct
15	Correct	96 ms	4444 KB	Output is correct
16	Correct	86 ms	4444 KB	Output is correct
17	Correct	68 ms	4444 KB	Output is correct
18	Correct	180 ms	4444 KB	Output is correct
19	Correct	141 ms	4440 KB	Output is correct
20	Correct	102 ms	4184 KB	Output is correct
21	Correct	1 ms	2396 KB	Output is correct
22	Correct	1 ms	2396 KB	Output is correct
23	Correct	1 ms	2396 KB	Output is correct
24	Correct	1 ms	2396 KB	Output is correct
25	Correct	1 ms	2396 KB	Output is correct
26	Correct	1 ms	2392 KB	Output is correct
27	Correct	1 ms	2396 KB	Output is correct
28	Correct	1 ms	2396 KB	Output is correct
29	Correct	1 ms	2396 KB	Output is correct
30	Correct	1 ms	2396 KB	Output is correct
31	Correct	1 ms	2712 KB	Output is correct
32	Correct	1 ms	2396 KB	Output is correct
33	Correct	1 ms	2396 KB	Output is correct
34	Correct	1 ms	2396 KB	Output is correct
35	Correct	1 ms	2396 KB	Output is correct
36	Correct	1 ms	2392 KB	Output is correct
37	Correct	1 ms	2396 KB	Output is correct
38	Correct	1 ms	2396 KB	Output is correct
39	Correct	1 ms	2396 KB	Output is correct
40	Correct	1 ms	2396 KB	Output is correct
41	Correct	1 ms	2396 KB	Output is correct
42	Correct	1 ms	2648 KB	Output is correct
43	Correct	1 ms	2392 KB	Output is correct
44	Correct	1 ms	2392 KB	Output is correct
45	Correct	1 ms	2396 KB	Output is correct
46	Correct	1 ms	2396 KB	Output is correct
47	Correct	0 ms	2516 KB	Output is correct
48	Correct	1 ms	2396 KB	Output is correct
49	Correct	1 ms	2512 KB	Output is correct
50	Correct	1 ms	2648 KB	Output is correct
51	Correct	1 ms	2396 KB	Output is correct
52	Correct	1 ms	2396 KB	Output is correct
53	Correct	1 ms	2396 KB	Output is correct
54	Correct	1 ms	2648 KB	Output is correct
55	Correct	1 ms	2396 KB	Output is correct
56	Correct	1 ms	2392 KB	Output is correct
57	Correct	1 ms	2396 KB	Output is correct
58	Correct	1 ms	2392 KB	Output is correct
59	Correct	1 ms	2396 KB	Output is correct
60	Correct	1 ms	2396 KB	Output is correct
61	Correct	1 ms	2652 KB	Output is correct
62	Correct	1 ms	2652 KB	Output is correct
63	Correct	1 ms	2652 KB	Output is correct
64	Correct	1 ms	2716 KB	Output is correct
65	Correct	1 ms	2652 KB	Output is correct
66	Correct	1 ms	2652 KB	Output is correct
67	Correct	2 ms	2652 KB	Output is correct
68	Correct	2 ms	2652 KB	Output is correct
69	Correct	2 ms	2652 KB	Output is correct
70	Correct	2 ms	2712 KB	Output is correct
71	Correct	3 ms	2648 KB	Output is correct
72	Correct	2 ms	2648 KB	Output is correct
73	Correct	2 ms	2652 KB	Output is correct
74	Correct	1 ms	2652 KB	Output is correct
75	Correct	2 ms	2652 KB	Output is correct
76	Correct	1 ms	2764 KB	Output is correct
77	Correct	2 ms	2652 KB	Output is correct
78	Correct	1 ms	2652 KB	Output is correct
79	Correct	1 ms	2652 KB	Output is correct
80	Correct	2 ms	2900 KB	Output is correct
81	Correct	188 ms	4436 KB	Output is correct
82	Correct	191 ms	4416 KB	Output is correct
83	Correct	179 ms	4424 KB	Output is correct
84	Correct	181 ms	4432 KB	Output is correct
85	Correct	178 ms	4416 KB	Output is correct
86	Correct	182 ms	4184 KB	Output is correct
87	Correct	184 ms	4436 KB	Output is correct
88	Correct	10 ms	4444 KB	Output is correct
89	Correct	10 ms	4444 KB	Output is correct
90	Correct	23 ms	4444 KB	Output is correct
91	Correct	24 ms	4448 KB	Output is correct
92	Correct	54 ms	4440 KB	Output is correct
93	Correct	53 ms	4444 KB	Output is correct
94	Correct	109 ms	4444 KB	Output is correct
95	Correct	102 ms	4188 KB	Output is correct
96	Correct	145 ms	4188 KB	Output is correct
97	Correct	146 ms	4440 KB	Output is correct
98	Correct	107 ms	4444 KB	Output is correct
99	Correct	90 ms	4444 KB	Output is correct
100	Correct	94 ms	4440 KB	Output is correct
101	Correct	92 ms	4420 KB	Output is correct
102	Correct	94 ms	4444 KB	Output is correct
103	Correct	92 ms	4440 KB	Output is correct
104	Correct	95 ms	4420 KB	Output is correct
105	Correct	99 ms	4184 KB	Output is correct

답안 #973991

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