Submission #1272878

#	Time	Username	Problem	Language	Result	Execution time	Memory
1272878		goulthen	Feast (NOI19_feast)	C++20	28 / 100	1095 ms	7388 KiB

feast

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

#define int long long
#define rep(i,a,b) for(int i = a; i <= b; i++)
#define per(i,a,b) for(int i = a; i >= b; i--)
#define pii pair<int,int>
#define pb push_back
#define fi first
#define se second

const int MAXN = 3e5+10;
const int INF = 1e18+10;
int dp[MAXN][2], a[MAXN];

int32_t main() {
	ios_base::sync_with_stdio(0); cin.tie(nullptr);
	int n,k;cin >> n >> k;
	rep(i,1,n) cin >> a[i];

	rep(j,1,k) {
		int mx = 0;
		rep(i,1,n) {
			dp[i][j] = dp[i-1][j];
			mx+=a[i];
			mx = max(mx, dp[i-1][j-1] + a[i]);
			dp[i][j] = max(dp[i][j], mx);
			
		}

	}
	cout << dp[n][k] << '\n';

	return 0;
}

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