oj.uz

Submission #858907

# Submission time Handle Problem Language Result Execution time Memory
858907 2023-10-09T11:33:52 Z Hanksburger Let's Win the Election (JOI22_ho_t3) C++17
100 / 100
 167 ms 4440 KB 
#include <bits/stdc++.h>
using namespace std;
pair<double, double> a[505];
double dp[505][505][2];
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int n, k;
    cin >> n >> k;
    for (int i=1; i<=n; i++)
    {
        cin >> a[i].second >> a[i].first;
        if (a[i].first==-1)
            a[i].first=1e9;
    }
    sort(a+1, a+n+1);
    double ans=1e9;
    for (int m=0; m<=k; m++)
    {
        for (int i=0; i<=n; i++)
            for (int j=0; j<=k-m; j++)
                dp[i][j][0]=dp[i][j][1]=1e9;
        dp[0][0][1-(bool)m]=0;
        for (int i=1; i<=n; i++)
        {
            for (int j=0; j<=min(i, k-m); j++)
            {
                if (i-j<m)
                {
                    if (!j)
                        dp[i][j][0]=dp[i-1][j][0]+a[i].first/(i-j);
                    else if (j==i)
                        dp[i][j][0]=dp[i-1][j-1][0]+a[i].second/(m+1);
                    else
                        dp[i][j][0]=min(dp[i-1][j][0]+a[i].first/(i-j), dp[i-1][j-1][0]+a[i].second/(m+1));
                }
                else
                {
                    dp[i][j][1]=dp[i-1][j][1];
                    if (j)
                        dp[i][j][1]=min(dp[i][j][1], dp[i-1][j-1][1]+a[i].second/(m+1));
                    if (i-j==m)
                        dp[i][j][1]=min(dp[i][j][1], dp[i-1][j][0]+a[i].first/m);
                }
            }
        }
        ans=min(ans, dp[n][k-m][1]);
    }
    cout << ans;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 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 344 KB Output is correct
5 Correct 3 ms 3676 KB Output is correct
6 Correct 11 ms 3932 KB Output is correct
7 Correct 38 ms 4188 KB Output is correct
8 Correct 83 ms 4188 KB Output is correct
9 Correct 139 ms 4184 KB Output is correct
10 Correct 69 ms 4408 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 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 344 KB Output is correct
5 Correct 3 ms 3676 KB Output is correct
6 Correct 11 ms 3932 KB Output is correct
7 Correct 38 ms 4188 KB Output is correct
8 Correct 83 ms 4188 KB Output is correct
9 Correct 139 ms 4184 KB Output is correct
10 Correct 69 ms 4408 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 14 ms 4036 KB Output is correct
13 Correct 14 ms 3932 KB Output is correct
14 Correct 14 ms 3932 KB Output is correct
15 Correct 70 ms 4188 KB Output is correct
16 Correct 69 ms 4188 KB Output is correct
17 Correct 71 ms 4188 KB Output is correct
18 Correct 146 ms 4184 KB Output is correct
19 Correct 153 ms 4408 KB Output is correct
20 Correct 139 ms 4184 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 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 1 ms 348 KB Output is correct
7 Correct 0 ms 460 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 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 460 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

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 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 1 ms 348 KB Output is correct
7 Correct 0 ms 460 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 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 460 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 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 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 460 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 600 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 344 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 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 1 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 1 ms 472 KB Output is correct

Subtask #5
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 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 1 ms 348 KB Output is correct
7 Correct 0 ms 460 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 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 460 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 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 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 460 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 600 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 344 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 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 1 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 1 ms 472 KB Output is correct
41 Correct 1 ms 2396 KB Output is correct
42 Correct 1 ms 2396 KB Output is correct
43 Correct 1 ms 2396 KB Output is correct
44 Correct 1 ms 2396 KB Output is correct
45 Correct 1 ms 2396 KB Output is correct
46 Correct 1 ms 2512 KB Output is correct
47 Correct 1 ms 2392 KB Output is correct
48 Correct 1 ms 2396 KB Output is correct
49 Correct 1 ms 2396 KB Output is correct
50 Correct 1 ms 2396 KB Output is correct
51 Correct 2 ms 2652 KB Output is correct
52 Correct 2 ms 2396 KB Output is correct
53 Correct 1 ms 2652 KB Output is correct
54 Correct 1 ms 2396 KB Output is correct
55 Correct 1 ms 2396 KB Output is correct
56 Correct 1 ms 2396 KB Output is correct
57 Correct 1 ms 2396 KB Output is correct
58 Correct 1 ms 2396 KB Output is correct
59 Correct 2 ms 2396 KB Output is correct
60 Correct 1 ms 2396 KB Output is correct

Subtask #6
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 149 ms 4408 KB Output is correct
2 Correct 165 ms 4416 KB Output is correct
3 Correct 141 ms 4184 KB Output is correct
4 Correct 143 ms 4412 KB Output is correct
5 Correct 167 ms 4184 KB Output is correct
6 Correct 139 ms 4300 KB Output is correct
7 Correct 142 ms 4408 KB Output is correct

Subtask #7
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 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 344 KB Output is correct
5 Correct 3 ms 3676 KB Output is correct
6 Correct 11 ms 3932 KB Output is correct
7 Correct 38 ms 4188 KB Output is correct
8 Correct 83 ms 4188 KB Output is correct
9 Correct 139 ms 4184 KB Output is correct
10 Correct 69 ms 4408 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 14 ms 4036 KB Output is correct
13 Correct 14 ms 3932 KB Output is correct
14 Correct 14 ms 3932 KB Output is correct
15 Correct 70 ms 4188 KB Output is correct
16 Correct 69 ms 4188 KB Output is correct
17 Correct 71 ms 4188 KB Output is correct
18 Correct 146 ms 4184 KB Output is correct
19 Correct 153 ms 4408 KB Output is correct
20 Correct 139 ms 4184 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 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 1 ms 348 KB Output is correct
27 Correct 0 ms 460 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 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 460 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 1 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 0 ms 460 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 600 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 344 KB Output is correct
52 Correct 0 ms 344 KB Output is correct
53 Correct 0 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 1 ms 348 KB Output is correct
59 Correct 0 ms 348 KB Output is correct
60 Correct 1 ms 472 KB Output is correct
61 Correct 1 ms 2396 KB Output is correct
62 Correct 1 ms 2396 KB Output is correct
63 Correct 1 ms 2396 KB Output is correct
64 Correct 1 ms 2396 KB Output is correct
65 Correct 1 ms 2396 KB Output is correct
66 Correct 1 ms 2512 KB Output is correct
67 Correct 1 ms 2392 KB Output is correct
68 Correct 1 ms 2396 KB Output is correct
69 Correct 1 ms 2396 KB Output is correct
70 Correct 1 ms 2396 KB Output is correct
71 Correct 2 ms 2652 KB Output is correct
72 Correct 2 ms 2396 KB Output is correct
73 Correct 1 ms 2652 KB Output is correct
74 Correct 1 ms 2396 KB Output is correct
75 Correct 1 ms 2396 KB Output is correct
76 Correct 1 ms 2396 KB Output is correct
77 Correct 1 ms 2396 KB Output is correct
78 Correct 1 ms 2396 KB Output is correct
79 Correct 2 ms 2396 KB Output is correct
80 Correct 1 ms 2396 KB Output is correct
81 Correct 149 ms 4408 KB Output is correct
82 Correct 165 ms 4416 KB Output is correct
83 Correct 141 ms 4184 KB Output is correct
84 Correct 143 ms 4412 KB Output is correct
85 Correct 167 ms 4184 KB Output is correct
86 Correct 139 ms 4300 KB Output is correct
87 Correct 142 ms 4408 KB Output is correct
88 Correct 4 ms 3672 KB Output is correct
89 Correct 3 ms 3676 KB Output is correct
90 Correct 10 ms 3932 KB Output is correct
91 Correct 11 ms 3932 KB Output is correct
92 Correct 36 ms 4188 KB Output is correct
93 Correct 37 ms 4188 KB Output is correct
94 Correct 81 ms 4412 KB Output is correct
95 Correct 91 ms 4440 KB Output is correct
96 Correct 114 ms 4404 KB Output is correct
97 Correct 113 ms 4184 KB Output is correct
98 Correct 78 ms 4188 KB Output is correct
99 Correct 79 ms 4412 KB Output is correct
100 Correct 70 ms 4188 KB Output is correct
101 Correct 69 ms 4184 KB Output is correct
102 Correct 70 ms 4412 KB Output is correct
103 Correct 70 ms 4188 KB Output is correct
104 Correct 71 ms 4188 KB Output is correct
105 Correct 71 ms 4188 KB Output is correct