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Submission #1025650

# Submission time Handle Problem Language Result Execution time Memory
1025650 2024-07-17T08:27:38 Z Zicrus Feast (NOI19_feast) C++17
71 / 100
 110 ms 51660 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;

int main() {
    ll n, k;
    cin >> n >> k;
    vector<ll> a(n);
    for (int i = 0; i < n; i++) {
        cin >> a[i];
    }

    if ((n <= 2000 && k <= 2000) || k == 1) {
        vector<vector<ll>> dp(n, vector<ll>(k+1));
        vector<vector<ll>> dpSeg(n, vector<ll>(k+1));
        for (int j = 1; j <= k; j++) {
            dpSeg[0][j] = max(0ll, a[0]);
        }
        for (int i = 1; i < n; i++) {
            for (int j = 1; j <= k; j++) {
                dp[i][j] = max(dp[i-1][j], dpSeg[i-1][j]);
                dpSeg[i][j] = max(dp[i-1][j-1], dpSeg[i-1][j]) + a[i];
            }
        }

        cout << max(dp.back().back(), dpSeg.back().back());
        return 0;
    }

    ll sum = 0;
    ll pre = 0, post = 0;
    bool neg = false;
    for (auto &e : a) {
        if (neg) post += e;
        if (e < 0) { neg = true; pre = sum; }
        sum += e;
    }
    cout << (neg ? pre + post : sum);
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 2652 KB Output is correct
2 Correct 69 ms 2652 KB Output is correct
3 Correct 110 ms 2652 KB Output is correct
4 Correct 69 ms 2652 KB Output is correct
5 Correct 68 ms 2652 KB Output is correct
6 Correct 85 ms 2652 KB Output is correct
7 Correct 67 ms 2648 KB Output is correct
8 Correct 81 ms 2652 KB Output is correct
9 Correct 71 ms 2652 KB Output is correct
10 Correct 77 ms 2652 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 34596 KB Output is correct
2 Correct 60 ms 35548 KB Output is correct
3 Correct 58 ms 34640 KB Output is correct
4 Correct 36 ms 2648 KB Output is correct
5 Correct 92 ms 34388 KB Output is correct
6 Correct 56 ms 34640 KB Output is correct
7 Correct 32 ms 2648 KB Output is correct
8 Correct 96 ms 35160 KB Output is correct
9 Correct 105 ms 34384 KB Output is correct
10 Correct 34 ms 2652 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 104 ms 35004 KB Output is correct
2 Correct 97 ms 34640 KB Output is correct
3 Correct 106 ms 34900 KB Output is correct
4 Correct 104 ms 34896 KB Output is correct
5 Correct 101 ms 35152 KB Output is correct
6 Correct 101 ms 35156 KB Output is correct
7 Correct 101 ms 35412 KB Output is correct
8 Correct 110 ms 35500 KB Output is correct
9 Correct 103 ms 35408 KB Output is correct
10 Correct 100 ms 35280 KB Output is correct

Subtask #4
10.0 / 10.0

# 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 1 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

Subtask #5
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 1 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 1 ms 604 KB Output is correct
12 Correct 0 ms 604 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 604 KB Output is correct
15 Correct 0 ms 604 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 604 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct

Subtask #6
20.0 / 20.0

# 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 1 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 1 ms 604 KB Output is correct
12 Correct 0 ms 604 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 604 KB Output is correct
15 Correct 0 ms 604 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 604 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 3 ms 6452 KB Output is correct
22 Correct 27 ms 51660 KB Output is correct
23 Correct 6 ms 12200 KB Output is correct
24 Correct 4 ms 7004 KB Output is correct
25 Correct 5 ms 9564 KB Output is correct
26 Correct 3 ms 5980 KB Output is correct
27 Correct 5 ms 9052 KB Output is correct
28 Correct 1 ms 1372 KB Output is correct
29 Correct 1 ms 1372 KB Output is correct
30 Correct 1 ms 600 KB Output is correct

Subtask #7
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 2652 KB Output is correct
2 Correct 69 ms 2652 KB Output is correct
3 Correct 110 ms 2652 KB Output is correct
4 Correct 69 ms 2652 KB Output is correct
5 Correct 68 ms 2652 KB Output is correct
6 Correct 85 ms 2652 KB Output is correct
7 Correct 67 ms 2648 KB Output is correct
8 Correct 81 ms 2652 KB Output is correct
9 Correct 71 ms 2652 KB Output is correct
10 Correct 77 ms 2652 KB Output is correct
11 Correct 60 ms 34596 KB Output is correct
12 Correct 60 ms 35548 KB Output is correct
13 Correct 58 ms 34640 KB Output is correct
14 Correct 36 ms 2648 KB Output is correct
15 Correct 92 ms 34388 KB Output is correct
16 Correct 56 ms 34640 KB Output is correct
17 Correct 32 ms 2648 KB Output is correct
18 Correct 96 ms 35160 KB Output is correct
19 Correct 105 ms 34384 KB Output is correct
20 Correct 34 ms 2652 KB Output is correct
21 Correct 104 ms 35004 KB Output is correct
22 Correct 97 ms 34640 KB Output is correct
23 Correct 106 ms 34900 KB Output is correct
24 Correct 104 ms 34896 KB Output is correct
25 Correct 101 ms 35152 KB Output is correct
26 Correct 101 ms 35156 KB Output is correct
27 Correct 101 ms 35412 KB Output is correct
28 Correct 110 ms 35500 KB Output is correct
29 Correct 103 ms 35408 KB Output is correct
30 Correct 100 ms 35280 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 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 0 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 604 KB Output is correct
42 Correct 0 ms 604 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 604 KB Output is correct
45 Correct 0 ms 604 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 604 KB Output is correct
48 Correct 0 ms 344 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 3 ms 6452 KB Output is correct
52 Correct 27 ms 51660 KB Output is correct
53 Correct 6 ms 12200 KB Output is correct
54 Correct 4 ms 7004 KB Output is correct
55 Correct 5 ms 9564 KB Output is correct
56 Correct 3 ms 5980 KB Output is correct
57 Correct 5 ms 9052 KB Output is correct
58 Correct 1 ms 1372 KB Output is correct
59 Correct 1 ms 1372 KB Output is correct
60 Correct 1 ms 600 KB Output is correct
61 Incorrect 75 ms 5656 KB Output isn't correct
62 Halted 0 ms 0 KB -