Submission #770730

#	Time	Username	Problem	Language	Result	Execution time	Memory
770730		OrazB	Split the sequence (APIO14_sequence)	C++14	22 / 100	499 ms	131072 KiB

sequence

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <functional>
using namespace __gnu_pbds;
using namespace std;
typedef tree<int, null_type, less<int>, rb_tree_tag,
             tree_order_statistics_node_update>
    ordered_set;
//Dijkstra->set
//set.find_by_order(x) x-position value
//set.order_of_key(x) number of strictly less elements don't need *set.??
#define wr cout << "Continue debugging\n";
#define all(x) (x).begin(), (x).end()
#define ll long long int
#define pii pair <int, int>
#define pb push_back
#define ff first
#define ss second
#define pv pair<ll,vector<int>>
const int N = 2005;
const int MAXN = 1e5+7;
const ll INF = 1e18;
int n, k, a[MAXN];
ll pref[MAXN]; 
pair<ll, vector<int>> dp[N][N];

int main ()
{
	ios::sync_with_stdio(false);
	cin.tie(0);
	cin >> n >> k;
	for (int i = 1; i <= n; i++){
		cin >> a[i];
		pref[i] = pref[i-1]+a[i];	
	}
	for (int i = 2; i <= n; i++){
		for (int x = 1; x <= k; x++){
			for (int j = 1; j < i; j++){
				pv X = dp[j][x-1];
				X.ss.pb(j);
				dp[i][x] = max(dp[i][x], {X.ff+(pref[i]-pref[j])*pref[j], X.ss});
			}
		}
	}
	cout << dp[n][k].ff << '\n';
	for (auto i : dp[n][k].ss) cout << i << " ";
}	

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