Submission #140611

#	Time	Username	Problem	Language	Result	Execution time	Memory
140611		MatheusLealV	Triple Jump (JOI19_jumps)	C++17	19 / 100	560 ms	242424 KiB

jumps

#include <bits/stdc++.h>
#define N 5010
using namespace std;

int n, q, v[N], C[N][N], menor[N][N], dp[N][N];

int solve(int i, int j)
{
	if(i > j) return 0;

	if(dp[i][j] != -1) return dp[i][j];

	return dp[i][j] = max({solve(i + 1, j), solve(i, j - 1), C[i][j]});
}

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

	cin>>n;

	for(int i = 1; i <= n; i++) cin>>v[i];

	memset(dp, -1, sizeof dp);

	for(int i = 1; i <= n; i++)
	{
		menor[i][i] = v[i];

		for(int j = i + 1; j <= n; j++)
			menor[i][j] = max(menor[i][j - 1], v[j]);
	}

	for(int i = 1; i <= n; i++)
	{
		for(int j = i + 1; j <= n; j++)
		{
			int mid = (i + j)/2;

			C[i][j] = menor[i + 1][mid] + v[i] + v[j];
		}
	}

	cin>>q;

	for(int i = 1, l, r; i <= q; i++)
	{
		cin>>l>>r;

		cout<<solve(l, r)<<"\n";
	}
}

• Subtask 1: 5 / 5
• Subtask 2: 14 / 14
• Subtask 3: 0 / 27
• Subtask 4: 0 / 54