Submission #770758

#	Time	Username	Problem	Language	Result	Execution time	Memory
770758		OrazB	Split the sequence (APIO14_sequence)	C++14	50 / 100	2084 ms	48712 KiB

sequence

#include <bits/stdc++.h>
using namespace std;
#define all(x) (x).begin(), (x).end()
#define ll long long int
#define pb push_back
const int N = 10005;
int n, k, par[N][202];
ll pref[N], dp[N][202];

int main ()
{
	ios::sync_with_stdio(false);
	cin.tie(0);
	cin >> n >> k;
	for (int i = 1; i <= n; i++){
		int x;
		cin >> x;
		pref[i] = pref[i-1]+x;	
	}
	for (int i = 2; i <= n; i++){
		for (int x = 1; x <= k; x++){
			for (int j = 1; j < i; j++){
				ll cur = dp[j][x-1]+(pref[i]-pref[j])*pref[j];
				if (dp[i][x] <= cur){
					dp[i][x] = cur;
					par[i][x] = j;
				}
			}
		}
	}
	cout << dp[n][k] << '\n';
	int cur = 0;
	while(1){
		n = par[n][k-cur++];
		if(!n)break;
		cout << n << ' ';
	}
}	

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