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Submission #697978

# Submission time Handle Problem Language Result Execution time Memory
697978 2023-02-11T17:17:21 Z sreesh Feast (NOI19_feast) C++17
41 / 100
 131 ms 262148 KB 
#include <bits/stdc++.h>
using namespace std;

using ll = long long;

const ll INF = (ll) 1e18;

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

    int n, k;
    cin >> n >> k;

    vector<int> a(n);
    for (int& x : a) cin >> x;
    
    vector<vector<ll>> dp(n, vector<ll>(n + 1, -INF));
    vector<ll> best(n + 1, -INF);
    best[0] = 0;
    
    for (int i = 0; i < n; ++i) {
        vector<ll> new_best = best;
        for (int j = 1; j <= n; ++j) {
            // extend previous one
            if (i > 0) dp[i][j] = dp[i - 1][j] + a[i];
            // start new one here
            dp[i][j] = max(dp[i][j], best[j - 1] + a[i]);
            new_best[j] = max(new_best[j], dp[i][j]);
        }
        best = new_best;
    }

    ll ans = 0;
    for (int i = 0; i < n; ++i) for (int j = 0; j <= k; ++j) ans = max(ans, dp[i][j]);
    cout << ans << endl;
}

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Runtime error 124 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Runtime error 117 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #3
0 / 18.0

# Verdict Execution time Memory Grader output
1 Runtime error 131 ms 262148 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 320 KB Output is correct
10 Correct 1 ms 340 KB Output is correct

Subtask #5
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 320 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 980 KB Output is correct
12 Correct 1 ms 852 KB Output is correct
13 Correct 1 ms 828 KB Output is correct
14 Correct 1 ms 852 KB Output is correct
15 Correct 1 ms 836 KB Output is correct
16 Correct 1 ms 852 KB Output is correct
17 Correct 1 ms 832 KB Output is correct
18 Correct 1 ms 852 KB Output is correct
19 Correct 1 ms 852 KB Output is correct
20 Correct 1 ms 960 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 320 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 980 KB Output is correct
12 Correct 1 ms 852 KB Output is correct
13 Correct 1 ms 828 KB Output is correct
14 Correct 1 ms 852 KB Output is correct
15 Correct 1 ms 836 KB Output is correct
16 Correct 1 ms 852 KB Output is correct
17 Correct 1 ms 832 KB Output is correct
18 Correct 1 ms 852 KB Output is correct
19 Correct 1 ms 852 KB Output is correct
20 Correct 1 ms 960 KB Output is correct
21 Correct 29 ms 29908 KB Output is correct
22 Correct 32 ms 29664 KB Output is correct
23 Correct 27 ms 30044 KB Output is correct
24 Correct 25 ms 29908 KB Output is correct
25 Correct 29 ms 31700 KB Output is correct
26 Correct 26 ms 31444 KB Output is correct
27 Correct 33 ms 31480 KB Output is correct
28 Correct 25 ms 31392 KB Output is correct
29 Correct 26 ms 30800 KB Output is correct
30 Correct 26 ms 29732 KB Output is correct

Subtask #7
0 / 29.0

# Verdict Execution time Memory Grader output
1 Runtime error 124 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -