Submission #224733

#	Time	Username	Problem	Language	Result	Execution time	Memory
224733		tictaccat	Feast (NOI19_feast)	C++14	18 / 100	1095 ms	2720 KiB

feast

#include <bits/stdc++.h>
using namespace std;
#define int long long

int N,K;
int A[500000];
int dp[2][2500];
int best[2][2500];

main() {

    cin >> N >> K;
    for (int i = 0; i < N; i++) cin >> A[i];

    for (int i = 0; i < N; i++) {
        for (int k = 1; k <= K; k++) {
            dp[i%2][k] = A[i] + max(dp[(i-1)%2][k],best[(i-1)%2][k-1]);
            best[i%2][k] = max(best[(i-1)%2][k], dp[i%2][k]);
        }
    }

    cout << best[(N-1)%2][K] << "\n";

}

Compilation message (stderr)

feast.cpp:10:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main() {
      ^

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