Submission #791417

#	Time	Username	Problem	Language	Result	Execution time	Memory
791417		vjudge1	Feast (NOI19_feast)	C++17	0 / 100	1065 ms	7580 KiB

feast

// #cheat_when_we_are_young
// #cheatkhitacontre #khionhatoicheat
// #thaycuckythatvong
#include<bits/stdc++.h>
using namespace std;
#define IOS ios::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define int long long
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
using namespace std;
signed main() {
	IOS;
	int n, m, k;
    cin >> n >> k;
    int a[n+1], p[n+1], dp[n+1];
    for (int i = 1; i <= n; ++i) cin >> a[i];
    p[0] = 1;
    for (int i = 1; i <= n; ++i) p[i] = p[i-1]+a[i];
    memset(dp,0,sizeof(dp));
    for (int i = k; i <= n; ++i) {
        dp[i] = max(dp[i],dp[i-1]);
        m = min(i,2*k-1);
        for (int j = k; j <= m; ++j) dp[i] = max(dp[i], dp[i-j]+p[i]-p[i-j]);
    }
    cout << dp[n];
}

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