Submission #1167269

#	Time	Username	Problem	Language	Result	Execution time	Memory
1167269		adriannok	Rainforest Jumps (APIO21_jumps)	C++20	0 / 100	529 ms	1114112 KiB

jumps

#include "jumps.h"

#include <bits/stdc++.h>

using namespace std;

int N; 
vector<int> H;
vector<int> sorted;
vector< vector<int> > d;
unordered_map<int, int> id;

void washifloi_Init()
{
	for (int k = 0; k < N; ++k)
		for (int i = 0; i < N; ++i)
			for(int j = 0; j < N; ++j)
				d[i][j] = min(d[i][j], d[i][k] + d[k][j]);
}

void verify(const int& i, const int& j, int &in)
{
	if(H[j] > H[i] && H[j] < (in<N? H[in] : N+1))
		in = j;
}

void init(int n, vector<int> h) 
{
	N = n;
	H = h;
	d.assign( N, vector<int>(N, N+1) );
	
	for (int i = 0; i < n; ++i)
	{
		int in = N+1;
		for (int j = i+1; j < n; ++j)
		{
			verify(i, j, in);
		}
		if(in < N)
			d[i][in] = 1;
		
		in = N+1;
		for (int j = i-1; j >= 0; --j)
		{
			verify(i, j, in);
		}
		if(in < N)
			d[i][in] = 1;
		
		
	}
	
	washifloi_Init();
}

int minimum_jumps(int A, int B, int C, int D) 
{
	int minJ = N+1;
	for(int i = A; i <= B; ++i)
		for(int j = C; j <= D; ++j)
		{
			minJ = min(minJ, d[i][j]);
		}
	
	if(minJ == N+1)
		minJ = -1;
	return minJ;
}

• Subtask 1: 0 / 4
• Subtask 2: 0 / 8
• Subtask 3: 0 / 13
• Subtask 4: 0 / 12
• Subtask 5: 0 / 23
• Subtask 6: 0 / 21
• Subtask 7: 0 / 19