Submission #1066414

#TimeUsernameProblemLanguageResultExecution timeMemory
1066414beaconmcSplit the sequence (APIO14_sequence)C++14
0 / 100
14 ms10072 KiB
#include <vector>
#include <bits/stdc++.h>
 
typedef long long ll;
#define FOR(i,x,y) for(ll i=x; i<y; i++)
#define FORNEG(i,x,y) for(ll i=x; i>y; i--)
 
using namespace std;

ll dp[1001][201];
ll prevs[1001][201];


int main(){
	

	ll n,k;
	cin >> n >> k;
	vector<ll> arr(n);
	vector<ll> pref(n);
	FOR(i,0,n) cin >> arr[i];
	pref[0] = arr[0];
	FOR(i,1,n) pref[i] = pref[i-1]+arr[i];

	FOR(i,0,1001)FOR(j,0,201) dp[i][j] = -10000000000000;

	dp[0][0] = 0;

	deque<vector<ll>> sus;


	FOR(j,1,k+1){
		FOR(i,1,n+1){
			FOR(m,0, i){
				ll temp = dp[m][j-1] + (pref[n-1] - pref[i-1]) * (pref[i-1]-pref[m]+arr[m]);
				if (dp[i][j] < temp){
					dp[i][j] = temp;
					prevs[i][j] = m;
				}
			}
			if (dp[i-1][j] > dp[i][j]){
				dp[i][j] = dp[i-1][j];
				prevs[i][j] = i-1;
			}
		}
	}

	cout << dp[n-1][k] << endl;
	n = n-1;
	while (k != 0){
		ll sus = prevs[n][k];
		cout << n << " ";
		k--;
		n  = sus;
		
	}

}
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