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Submission #1003645

# Submission time Handle Problem Language Result Execution time Memory
1003645 2024-06-20T14:26:29 Z ThegeekKnight16 Cigle (COI21_cigle) C++17
100 / 100
 145 ms 98560 KB 
#include <bits/stdc++.h>
using namespace std;

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int N; cin >> N;
    vector<int> v(N+1);
    for (int i = 1; i <= N; i++) cin >> v[i]; v[0] = 0x3f3f3f3f;
    vector<vector<int>> dp(N+1, vector<int>(N+1));
    for (int l = 2; l <= N; l++)
    {
        vector<int> prefdp(N+1);
        for (int k = 1; k < l; k++) prefdp[k] = max(prefdp[k-1], dp[k][l-1]);

        // cerr << "l: " << l << '\n';
        int sumL = v[l-1], sumR = 0, p = l-1, inters = 0, mSuf = 0;
        for (int r = l; r <= N; r++)
        {
            dp[l][r] = max(prefdp[p] + inters, mSuf);
            sumR += v[r];
            while (p > 1 && sumL <= sumR)
            {
                mSuf = max(mSuf, dp[p][l-1] + inters);
                if (sumL == sumR) inters++;
                sumL += v[--p];
            }

            // cerr << dp[l][r] << " ";
        }
        // cerr << '\n';
    }


    int resp = 0;
    for (int i = 1; i <= N; i++) resp = max(resp, dp[i][N]);
    cout << resp << '\n';
}

Compilation message

cigle.cpp: In function 'int main()':
cigle.cpp:10:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   10 |     for (int i = 1; i <= N; i++) cin >> v[i]; v[0] = 0x3f3f3f3f;
      |     ^~~
cigle.cpp:10:47: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   10 |     for (int i = 1; i <= N; i++) cin >> v[i]; v[0] = 0x3f3f3f3f;
      |                                               ^

Subtask #1
9.0 / 9.0

# 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 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 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

Subtask #2
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 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 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 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 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 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1372 KB Output is correct
2 Correct 1 ms 1372 KB Output is correct
3 Correct 1 ms 1372 KB Output is correct
4 Correct 1 ms 1372 KB Output is correct
5 Correct 1 ms 1372 KB Output is correct
6 Correct 1 ms 1372 KB Output is correct
7 Correct 1 ms 1372 KB Output is correct
8 Correct 1 ms 1368 KB Output is correct
9 Correct 1 ms 1372 KB Output is correct
10 Correct 1 ms 1372 KB Output is correct
11 Correct 1 ms 1372 KB Output is correct
12 Correct 1 ms 1372 KB Output is correct

Subtask #4
15.0 / 15.0

# 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 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 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 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 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 0 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 1 ms 1372 KB Output is correct
22 Correct 1 ms 1372 KB Output is correct
23 Correct 1 ms 1372 KB Output is correct
24 Correct 1 ms 1372 KB Output is correct
25 Correct 1 ms 1372 KB Output is correct
26 Correct 1 ms 1372 KB Output is correct
27 Correct 1 ms 1372 KB Output is correct
28 Correct 1 ms 1368 KB Output is correct
29 Correct 1 ms 1372 KB Output is correct
30 Correct 1 ms 1372 KB Output is correct
31 Correct 1 ms 1372 KB Output is correct
32 Correct 1 ms 1372 KB Output is correct
33 Correct 1 ms 1372 KB Output is correct
34 Correct 1 ms 1372 KB Output is correct
35 Correct 1 ms 1368 KB Output is correct
36 Correct 1 ms 1372 KB Output is correct
37 Correct 1 ms 1448 KB Output is correct
38 Correct 1 ms 1372 KB Output is correct
39 Correct 1 ms 1372 KB Output is correct
40 Correct 1 ms 1372 KB Output is correct
41 Correct 2 ms 1372 KB Output is correct
42 Correct 1 ms 1372 KB Output is correct
43 Correct 1 ms 1372 KB Output is correct
44 Correct 1 ms 1372 KB Output is correct
45 Correct 1 ms 1372 KB Output is correct
46 Correct 1 ms 1372 KB Output is correct
47 Correct 1 ms 1460 KB Output is correct
48 Correct 1 ms 1468 KB Output is correct
49 Correct 1 ms 1372 KB Output is correct

Subtask #5
52.0 / 52.0

# 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 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 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 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 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 0 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 1 ms 1372 KB Output is correct
22 Correct 1 ms 1372 KB Output is correct
23 Correct 1 ms 1372 KB Output is correct
24 Correct 1 ms 1372 KB Output is correct
25 Correct 1 ms 1372 KB Output is correct
26 Correct 1 ms 1372 KB Output is correct
27 Correct 1 ms 1372 KB Output is correct
28 Correct 1 ms 1368 KB Output is correct
29 Correct 1 ms 1372 KB Output is correct
30 Correct 1 ms 1372 KB Output is correct
31 Correct 1 ms 1372 KB Output is correct
32 Correct 1 ms 1372 KB Output is correct
33 Correct 1 ms 1372 KB Output is correct
34 Correct 1 ms 1372 KB Output is correct
35 Correct 1 ms 1368 KB Output is correct
36 Correct 1 ms 1372 KB Output is correct
37 Correct 1 ms 1448 KB Output is correct
38 Correct 1 ms 1372 KB Output is correct
39 Correct 1 ms 1372 KB Output is correct
40 Correct 1 ms 1372 KB Output is correct
41 Correct 2 ms 1372 KB Output is correct
42 Correct 1 ms 1372 KB Output is correct
43 Correct 1 ms 1372 KB Output is correct
44 Correct 1 ms 1372 KB Output is correct
45 Correct 1 ms 1372 KB Output is correct
46 Correct 1 ms 1372 KB Output is correct
47 Correct 1 ms 1460 KB Output is correct
48 Correct 1 ms 1468 KB Output is correct
49 Correct 1 ms 1372 KB Output is correct
50 Correct 108 ms 98396 KB Output is correct
51 Correct 107 ms 98388 KB Output is correct
52 Correct 115 ms 98384 KB Output is correct
53 Correct 112 ms 98496 KB Output is correct
54 Correct 112 ms 98552 KB Output is correct
55 Correct 105 ms 98384 KB Output is correct
56 Correct 133 ms 98384 KB Output is correct
57 Correct 121 ms 98348 KB Output is correct
58 Correct 137 ms 98548 KB Output is correct
59 Correct 133 ms 98396 KB Output is correct
60 Correct 137 ms 98384 KB Output is correct
61 Correct 125 ms 98560 KB Output is correct
62 Correct 121 ms 98384 KB Output is correct
63 Correct 119 ms 98556 KB Output is correct
64 Correct 118 ms 98556 KB Output is correct
65 Correct 116 ms 98388 KB Output is correct
66 Correct 122 ms 98388 KB Output is correct
67 Correct 120 ms 98552 KB Output is correct
68 Correct 123 ms 98388 KB Output is correct
69 Correct 112 ms 98388 KB Output is correct
70 Correct 133 ms 98388 KB Output is correct
71 Correct 145 ms 98552 KB Output is correct
72 Correct 129 ms 98420 KB Output is correct