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Submission #1081728

# Submission time Handle Problem Language Result Execution time Memory
1081728 2024-08-30T09:38:55 Z juicy Cigle (COI21_cigle) C++17
100 / 100
 147 ms 81348 KB 
#include <bits/stdc++.h>

using namespace std;

#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif

const int N = 5e3 + 5;

int n;
int a[N], dp[N][N];

int main() {
  ios::sync_with_stdio(false); cin.tie(nullptr);

  cin >> n;
  for (int i = 1; i <= n; ++i) {
    cin >> a[i];
  }
  int res = 0;
  for (int i = 2; i <= n; ++i) {
    int k = i - 1, s = a[i - 1], t = 0, cnt = 0;
    dp[i][i] = dp[i - 1][i - 1];
    for (int j = i + 1; j <= n; ++j) {
      dp[i][j] = max(dp[i][j], dp[i][j - 1]);
      t += a[j - 1];
      while (k && s <= t) {
        cnt += s == t;
        s += a[--k];
      }
      if (k) {
        dp[i][j] = max(dp[i][j], dp[k][i - 1] + cnt);
      }
      res = max(res, dp[i][j]);
    }
    for (int j = 1; j <= i; ++j) {
      dp[j][i] = max(dp[j][i], dp[j - 1][i]);
    }
  }
  cout << res;
  return 0;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory 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 0 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2392 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory 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 0 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2392 KB Output is correct
8 Correct 0 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 2396 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 2392 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 0 ms 2512 KB Output is correct
20 Correct 1 ms 2392 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 9052 KB Output is correct
2 Correct 2 ms 9052 KB Output is correct
3 Correct 3 ms 9052 KB Output is correct
4 Correct 1 ms 9052 KB Output is correct
5 Correct 3 ms 9052 KB Output is correct
6 Correct 2 ms 9052 KB Output is correct
7 Correct 3 ms 9180 KB Output is correct
8 Correct 3 ms 9168 KB Output is correct
9 Correct 3 ms 9052 KB Output is correct
10 Correct 2 ms 9052 KB Output is correct
11 Correct 2 ms 9052 KB Output is correct
12 Correct 2 ms 9292 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory 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 0 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2392 KB Output is correct
8 Correct 0 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 2396 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 2392 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 0 ms 2512 KB Output is correct
20 Correct 1 ms 2392 KB Output is correct
21 Correct 2 ms 9052 KB Output is correct
22 Correct 2 ms 9052 KB Output is correct
23 Correct 3 ms 9052 KB Output is correct
24 Correct 1 ms 9052 KB Output is correct
25 Correct 3 ms 9052 KB Output is correct
26 Correct 2 ms 9052 KB Output is correct
27 Correct 3 ms 9180 KB Output is correct
28 Correct 3 ms 9168 KB Output is correct
29 Correct 3 ms 9052 KB Output is correct
30 Correct 2 ms 9052 KB Output is correct
31 Correct 2 ms 9052 KB Output is correct
32 Correct 2 ms 9292 KB Output is correct
33 Correct 2 ms 9052 KB Output is correct
34 Correct 2 ms 9048 KB Output is correct
35 Correct 2 ms 9052 KB Output is correct
36 Correct 2 ms 9048 KB Output is correct
37 Correct 2 ms 9052 KB Output is correct
38 Correct 2 ms 9052 KB Output is correct
39 Correct 2 ms 9052 KB Output is correct
40 Correct 3 ms 9048 KB Output is correct
41 Correct 2 ms 9052 KB Output is correct
42 Correct 2 ms 9168 KB Output is correct
43 Correct 3 ms 9052 KB Output is correct
44 Correct 2 ms 9048 KB Output is correct
45 Correct 2 ms 9052 KB Output is correct
46 Correct 2 ms 9048 KB Output is correct
47 Correct 2 ms 9052 KB Output is correct
48 Correct 2 ms 9048 KB Output is correct
49 Correct 2 ms 9052 KB Output is correct

Subtask #5
52.0 / 52.0

# Verdict Execution time Memory 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 0 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2392 KB Output is correct
8 Correct 0 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 2396 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 2392 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 0 ms 2512 KB Output is correct
20 Correct 1 ms 2392 KB Output is correct
21 Correct 2 ms 9052 KB Output is correct
22 Correct 2 ms 9052 KB Output is correct
23 Correct 3 ms 9052 KB Output is correct
24 Correct 1 ms 9052 KB Output is correct
25 Correct 3 ms 9052 KB Output is correct
26 Correct 2 ms 9052 KB Output is correct
27 Correct 3 ms 9180 KB Output is correct
28 Correct 3 ms 9168 KB Output is correct
29 Correct 3 ms 9052 KB Output is correct
30 Correct 2 ms 9052 KB Output is correct
31 Correct 2 ms 9052 KB Output is correct
32 Correct 2 ms 9292 KB Output is correct
33 Correct 2 ms 9052 KB Output is correct
34 Correct 2 ms 9048 KB Output is correct
35 Correct 2 ms 9052 KB Output is correct
36 Correct 2 ms 9048 KB Output is correct
37 Correct 2 ms 9052 KB Output is correct
38 Correct 2 ms 9052 KB Output is correct
39 Correct 2 ms 9052 KB Output is correct
40 Correct 3 ms 9048 KB Output is correct
41 Correct 2 ms 9052 KB Output is correct
42 Correct 2 ms 9168 KB Output is correct
43 Correct 3 ms 9052 KB Output is correct
44 Correct 2 ms 9048 KB Output is correct
45 Correct 2 ms 9052 KB Output is correct
46 Correct 2 ms 9048 KB Output is correct
47 Correct 2 ms 9052 KB Output is correct
48 Correct 2 ms 9048 KB Output is correct
49 Correct 2 ms 9052 KB Output is correct
50 Correct 116 ms 79804 KB Output is correct
51 Correct 100 ms 79772 KB Output is correct
52 Correct 96 ms 81288 KB Output is correct
53 Correct 109 ms 79804 KB Output is correct
54 Correct 107 ms 79872 KB Output is correct
55 Correct 99 ms 81112 KB Output is correct
56 Correct 118 ms 79796 KB Output is correct
57 Correct 121 ms 79956 KB Output is correct
58 Correct 131 ms 79804 KB Output is correct
59 Correct 135 ms 81348 KB Output is correct
60 Correct 147 ms 79864 KB Output is correct
61 Correct 106 ms 81184 KB Output is correct
62 Correct 122 ms 79752 KB Output is correct
63 Correct 116 ms 79836 KB Output is correct
64 Correct 103 ms 79848 KB Output is correct
65 Correct 94 ms 79776 KB Output is correct
66 Correct 107 ms 79956 KB Output is correct
67 Correct 98 ms 81144 KB Output is correct
68 Correct 130 ms 78696 KB Output is correct
69 Correct 98 ms 77304 KB Output is correct
70 Correct 132 ms 77292 KB Output is correct
71 Correct 139 ms 77140 KB Output is correct
72 Correct 127 ms 77396 KB Output is correct