Submission #330336

#	Time	Username	Problem	Language	Result	Execution time	Memory
330336		jungsnow	Feast (NOI19_feast)	C++14	41 / 100	36 ms	59116 KiB

feast

#include<bits/stdc++.h>
#define x first
#define y second

using namespace std;
using ll = long long;

const int maxn = 2100;

int N, K, A[maxn];
ll Dp[maxn][maxn][2];

int main() {
//    freopen("feast.inp", "r", stdin);
//    freopen("feast.out", "w", stdout);
    ios::sync_with_stdio(0); cin.tie(0);
    cin >> N >> K;
    for (int i = 1; i <= N; ++i)
        cin >> A[i];
    Dp[0][0][0] = 0;
    for (int i = 1; i <= N; ++i) {
        Dp[i][0][0] = 0;
        for (int j = 1; j <= K; ++j) {
            Dp[i][j][1] = max(Dp[i - 1][j][1], Dp[i - 1][j - 1][0]) + A[i];
            Dp[i][j][0] = max(Dp[i - 1][j][1], Dp[i - 1][j][0]);
        }
    }
    cout << max(Dp[N][K][0], Dp[N][K][1]);
    return 0;
}

• Subtask 1: 0 / 4
• Subtask 2: 0 / 8
• Subtask 3: 0 / 18
• Subtask 4: 10 / 10
• Subtask 5: 11 / 11
• Subtask 6: 20 / 20
• Subtask 7: 0 / 29