Submission #84776

#	Time	Username	Problem	Language	Result	Execution time	Memory
84776		Mahdi_Jfri	Split the sequence (APIO14_sequence)	C++14	0 / 100	77 ms	2360 KiB

sequence

#include<bits/stdc++.h>
using namespace std;

#define ll long long
#define pb push_back

const int maxn = 1e5 + 20;
const int maxk = 2e2 + 20;

int l[maxn] , r[maxn] , sum[maxn];

int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);

	int n , k;
	cin >> n >> k;

	for(int i = 1; i <= n; i++)
	{
		cin >> sum[i] , sum[i] += sum[i - 1];

		l[i] = 1 , r[i] = n;
	}

	ll res = 0;

	for(int i = 0; i < k; i++)
	{
		ll mx = 0;
		for(int j = 1; j <= n; j++)
			if(r[j] > j)
				mx = max(mx , 1LL * (sum[r[j]] - sum[j]) * (sum[j] - sum[l[j] - 1]));

		for(int j = 1; j <= n; j++)
			if(r[j] > j && 1LL * (sum[r[j]] - sum[j]) * (sum[j] - sum[l[j] - 1]) == mx)
			{
				for(int x = j + 1; x <= r[j]; x++)
					l[x] = j + 1;
				for(int x = l[j]; x <= j; x++)
					r[x] = j;

				break;
			}

		res += mx;
	}

	cout << res << endl;
	for(int i = 1; r[i] < n; i = r[i] + 1)
		cout << r[i] << " ";
	cout << endl;
}

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