Submission #770754

#	Time	Username	Problem	Language	Result	Execution time	Memory
770754		OrazB	Split the sequence (APIO14_sequence)	C++17	33 / 100	145 ms	131072 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 = 1001;
int n, k;
ll pref[N], dp[N][201];
vector<int> E[N][201];

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++){
			int pos = 0;
			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;
					pos = j;
				}
			}
			E[i][x].insert(E[i][x].end(), all(E[pos][x-1]));
			E[i][x].pb(pos);
		}
	}
	cout << dp[n][k] << '\n';
	for (auto i : E[n][k]) cout << i << " ";
}	

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