oj.uz

Submission #1097172

# Submission time Handle Problem Language Result Execution time Memory
1097172 2024-10-06T11:17:09 Z crafticat Feast (NOI19_feast) C++17
59 / 100
 241 ms 262144 KB 
#include "bits/stdc++.h"

using namespace std;
template<typename T>
using V = vector<T>;
using ll = long long;
#define ckmax(a,b) a= max(a,b)

ll solve(V<ll>&arr, ll k, ll p) {
    V<V<V<ll>>> dp(arr.size() + 1, V<V<ll>>(k + 1, V<ll>(2, -1e18)));
    dp[0][0][1] = 0;

    for (ll i = 1; i <= arr.size(); ++i) {
        dp[i][0][1] = 0;
        for (ll j = 1; j <= k; ++j) {
            for (ll l = 0; l < 2; ++l) {
                dp[i][j][l] = max(dp[i - 1][j - 1][1], dp[i - 1][j][1]);
                if (l == 0) ckmax(dp[i][j][l], dp[i - 1][j][0]);
                ckmax(dp[i][j][l], dp[i - 1][j - 1][0]);
                if (l == 1) dp[i][j][l] += arr[i - 1];
            }
        }
    }

    return max(dp[arr.size()][k][0], dp[arr.size()][k][1]);
}

int main() {
    ll n, k; cin >> n >> k;

    V<ll> arr(n);
    for (ll i = 0; i < n; ++i) {
        cin >> arr[i];
    }

    cout << solve(arr,k,1);

}

Compilation message

feast.cpp: In function 'll solve(V<long long int>&, ll, ll)':
feast.cpp:13:22: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int, std::allocator<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |     for (ll i = 1; i <= arr.size(); ++i) {
      |                    ~~^~~~~~~~~~~~~

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Runtime error 241 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 Correct 80 ms 47348 KB Output is correct
2 Correct 87 ms 48212 KB Output is correct
3 Correct 100 ms 47188 KB Output is correct
4 Runtime error 217 ms 262144 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 131 ms 49320 KB Output is correct
2 Correct 124 ms 49236 KB Output is correct
3 Correct 122 ms 49488 KB Output is correct
4 Correct 130 ms 49256 KB Output is correct
5 Correct 126 ms 49712 KB Output is correct
6 Correct 125 ms 49964 KB Output is correct
7 Correct 125 ms 50104 KB Output is correct
8 Correct 137 ms 49492 KB Output is correct
9 Correct 130 ms 50340 KB Output is correct
10 Correct 131 ms 49976 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 0 ms 432 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 436 KB Output is correct

Subtask #5
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 0 ms 432 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 436 KB Output is correct
11 Correct 1 ms 856 KB Output is correct
12 Correct 1 ms 1372 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 1 ms 1116 KB Output is correct
15 Correct 1 ms 860 KB Output is correct
16 Correct 1 ms 604 KB Output is correct
17 Correct 1 ms 1116 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 1 ms 348 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 0 ms 432 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 436 KB Output is correct
11 Correct 1 ms 856 KB Output is correct
12 Correct 1 ms 1372 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 1 ms 1116 KB Output is correct
15 Correct 1 ms 860 KB Output is correct
16 Correct 1 ms 604 KB Output is correct
17 Correct 1 ms 1116 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 28 ms 21852 KB Output is correct
22 Correct 171 ms 179324 KB Output is correct
23 Correct 46 ms 41564 KB Output is correct
24 Correct 24 ms 23644 KB Output is correct
25 Correct 35 ms 32604 KB Output is correct
26 Correct 19 ms 19544 KB Output is correct
27 Correct 33 ms 30812 KB Output is correct
28 Correct 5 ms 3932 KB Output is correct
29 Correct 4 ms 3676 KB Output is correct
30 Correct 1 ms 860 KB Output is correct

Subtask #7
0 / 29.0

# Verdict Execution time Memory Grader output
1 Runtime error 241 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -