Submission #1087233

#	Time	Username	Problem	Language	Result	Execution time	Memory
1087233		Thunnus	Split the sequence (APIO14_sequence)	C++17	0 / 100	2084 ms	6232 KiB

sequence

#include<bits/stdc++.h>
using namespace std;
using i64 = long long;
//#define int i64
#define vi vector<int>
#define vvi vector<vi>
#define vb vector<bool>
#define pii pair<int, int>
#define fi first
#define se second
#define sz(x) (int)(x).size()

signed main(){
    ios_base::sync_with_stdio(false); cin.tie(0);
    int n, k;
    cin >> n >> k;
    vi a(n + 1);
    for(int i = 1; i <= n; i++){
        cin >> a[i];
        a[i] += a[i - 1];
    }

    vvi dp(n + 1, vi(k + 1));
    int ans = 0;
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= k; j++){
            for(int z = 1; z <= i; z++){
                dp[i][j] = max(dp[i][j], dp[z - 1][j - 1] + (a[i] - a[z - 1]) * (a[n] - a[i]));
            }
        }
        ans = max(ans, dp[i][k]);
    }
    cout << ans << "\n";
    return 0;
}

• Subtask 1: 0 / 11
• Subtask 2: 0 / 11
• Subtask 3: 0 / 11
• Subtask 4: 0 / 17
• Subtask 5: 0 / 21
• Subtask 6: 0 / 29