oj.uz

Submission #894320

# Submission time Handle Problem Language Result Execution time Memory
894320 2023-12-28T05:26:06 Z juliany2 Let's Win the Election (JOI22_ho_t3) C++17
100 / 100
 179 ms 2644 KB 
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
#define all(x) (x).begin(), (x).end()

const int N = 507;
int n, k;
array<int, 2> a[N];
double dp[N][N];

int main() {
    cin.tie(0)->sync_with_stdio(false);

    cin >> n >> k;

    for (int i = 1; i <= n; i++) {
        cin >> a[i][0] >> a[i][1];
        if (a[i][1] == -1)
            a[i][1] = 1e9;
    }

    sort(a + 1, a + n + 1, [&](array<int, 2> &x, array<int, 2> &y) { return x[1] < y[1]; });

    double ans = 1e9;
    for (int c = 0; c <= k; c++) {
        for (int i = 0; i <= n; i++)
            for (int j = 0; j <= n; j++)
                dp[i][j] = 1e9;

        dp[0][0] = 0;

        for (int i = 1; i <= n; i++) {
            for (int j = 0; j < i; j++) {
                if (j < k - c)
                    dp[i][j + 1] = min(dp[i][j + 1], dp[i - 1][j] + (double) a[i][0] / (c + 1));
                if (i - j - 1 < c && a[i][1] < 1e9)
                    dp[i][j] = min(dp[i][j], dp[i - 1][j] + (double) a[i][1] / (i - j));
                if (i - j - 1 >= c)
                    dp[i][j] = min(dp[i][j], dp[i - 1][j]);
            }
        }

        ans = min(ans, dp[n][k - c]);
    }

    cout << fixed << setprecision(10) << ans << '\n';

    return 0;
}

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 1 ms 348 KB Output is correct
5 Correct 13 ms 2456 KB Output is correct
6 Correct 37 ms 2396 KB Output is correct
7 Correct 73 ms 2396 KB Output is correct
8 Correct 108 ms 2432 KB Output is correct
9 Correct 138 ms 2428 KB Output is correct
10 Correct 97 ms 2432 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 1 ms 348 KB Output is correct
5 Correct 13 ms 2456 KB Output is correct
6 Correct 37 ms 2396 KB Output is correct
7 Correct 73 ms 2396 KB Output is correct
8 Correct 108 ms 2432 KB Output is correct
9 Correct 138 ms 2428 KB Output is correct
10 Correct 97 ms 2432 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 51 ms 2364 KB Output is correct
13 Correct 49 ms 2444 KB Output is correct
14 Correct 48 ms 2392 KB Output is correct
15 Correct 117 ms 2396 KB Output is correct
16 Correct 107 ms 2396 KB Output is correct
17 Correct 98 ms 2396 KB Output is correct
18 Correct 179 ms 2644 KB Output is correct
19 Correct 155 ms 2392 KB Output is correct
20 Correct 138 ms 2392 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 600 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 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 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 600 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 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 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 768 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 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 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 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 0 ms 464 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 464 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 456 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

Subtask #5
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 600 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 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 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 768 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 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 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 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 0 ms 464 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 464 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 456 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 1 ms 860 KB Output is correct
42 Correct 1 ms 860 KB Output is correct
43 Correct 1 ms 860 KB Output is correct
44 Correct 1 ms 860 KB Output is correct
45 Correct 1 ms 860 KB Output is correct
46 Correct 1 ms 604 KB Output is correct
47 Correct 2 ms 860 KB Output is correct
48 Correct 1 ms 860 KB Output is correct
49 Correct 2 ms 856 KB Output is correct
50 Correct 2 ms 860 KB Output is correct
51 Correct 2 ms 860 KB Output is correct
52 Correct 2 ms 860 KB Output is correct
53 Correct 1 ms 860 KB Output is correct
54 Correct 1 ms 860 KB Output is correct
55 Correct 1 ms 856 KB Output is correct
56 Correct 1 ms 860 KB Output is correct
57 Correct 1 ms 860 KB Output is correct
58 Correct 2 ms 860 KB Output is correct
59 Correct 1 ms 724 KB Output is correct
60 Correct 1 ms 860 KB Output is correct

Subtask #6
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 171 ms 2396 KB Output is correct
2 Correct 170 ms 2580 KB Output is correct
3 Correct 170 ms 2396 KB Output is correct
4 Correct 172 ms 2428 KB Output is correct
5 Correct 172 ms 2392 KB Output is correct
6 Correct 171 ms 2432 KB Output is correct
7 Correct 174 ms 2644 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 1 ms 348 KB Output is correct
5 Correct 13 ms 2456 KB Output is correct
6 Correct 37 ms 2396 KB Output is correct
7 Correct 73 ms 2396 KB Output is correct
8 Correct 108 ms 2432 KB Output is correct
9 Correct 138 ms 2428 KB Output is correct
10 Correct 97 ms 2432 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 51 ms 2364 KB Output is correct
13 Correct 49 ms 2444 KB Output is correct
14 Correct 48 ms 2392 KB Output is correct
15 Correct 117 ms 2396 KB Output is correct
16 Correct 107 ms 2396 KB Output is correct
17 Correct 98 ms 2396 KB Output is correct
18 Correct 179 ms 2644 KB Output is correct
19 Correct 155 ms 2392 KB Output is correct
20 Correct 138 ms 2392 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 600 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 344 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 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 0 ms 344 KB Output is correct
35 Correct 1 ms 344 KB Output is correct
36 Correct 1 ms 768 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 1 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 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 1 ms 348 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 0 ms 464 KB Output is correct
50 Correct 0 ms 344 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 1 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 0 ms 464 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 456 KB Output is correct
57 Correct 0 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 0 ms 348 KB Output is correct
61 Correct 1 ms 860 KB Output is correct
62 Correct 1 ms 860 KB Output is correct
63 Correct 1 ms 860 KB Output is correct
64 Correct 1 ms 860 KB Output is correct
65 Correct 1 ms 860 KB Output is correct
66 Correct 1 ms 604 KB Output is correct
67 Correct 2 ms 860 KB Output is correct
68 Correct 1 ms 860 KB Output is correct
69 Correct 2 ms 856 KB Output is correct
70 Correct 2 ms 860 KB Output is correct
71 Correct 2 ms 860 KB Output is correct
72 Correct 2 ms 860 KB Output is correct
73 Correct 1 ms 860 KB Output is correct
74 Correct 1 ms 860 KB Output is correct
75 Correct 1 ms 856 KB Output is correct
76 Correct 1 ms 860 KB Output is correct
77 Correct 1 ms 860 KB Output is correct
78 Correct 2 ms 860 KB Output is correct
79 Correct 1 ms 724 KB Output is correct
80 Correct 1 ms 860 KB Output is correct
81 Correct 171 ms 2396 KB Output is correct
82 Correct 170 ms 2580 KB Output is correct
83 Correct 170 ms 2396 KB Output is correct
84 Correct 172 ms 2428 KB Output is correct
85 Correct 172 ms 2392 KB Output is correct
86 Correct 171 ms 2432 KB Output is correct
87 Correct 174 ms 2644 KB Output is correct
88 Correct 19 ms 2396 KB Output is correct
89 Correct 18 ms 2392 KB Output is correct
90 Correct 45 ms 2456 KB Output is correct
91 Correct 42 ms 2396 KB Output is correct
92 Correct 80 ms 2396 KB Output is correct
93 Correct 87 ms 2428 KB Output is correct
94 Correct 121 ms 2392 KB Output is correct
95 Correct 121 ms 2428 KB Output is correct
96 Correct 149 ms 2396 KB Output is correct
97 Correct 153 ms 2644 KB Output is correct
98 Correct 112 ms 2396 KB Output is correct
99 Correct 113 ms 2432 KB Output is correct
100 Correct 113 ms 2392 KB Output is correct
101 Correct 114 ms 2548 KB Output is correct
102 Correct 115 ms 2428 KB Output is correct
103 Correct 113 ms 2396 KB Output is correct
104 Correct 113 ms 2392 KB Output is correct
105 Correct 118 ms 2432 KB Output is correct