// #include "jumps.h"
#include <bits/stdc++.h>
#include <cassert>
#include <cstdio>
#include <vector>
using namespace std;
const int mx = 2000;
vector<vector<int>> dst(mx);
vector<vector<int>> adj(mx);
int n;
void init(int N, std::vector<int> H) {
queue<pair<int, int>> q;
n = N;
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) {
dst[i][j] = INT_MAX;
}
}
for (int i = 0; i < n -1 ; i++) {
for (int j = i + 1; j < n; j++) {
if(H[j] > H[i]) {
adj[i].push_back(j);
}
}
}
for (int i = 1; i < n ; i++) {
for (int j = i - 1; j < n; j++) {
if(H[j] > H[i]) {
adj[i].push_back(j);
}
}
}
// while(!q.empty()) {
// q.push({})
// }
}
void bfs(int start, int end) {
queue<pair<int, int>> q;
vector<bool> vis(4000);
vis[start] = true;
q.push({start, 0});
while (!q.empty()) {
int X = q.front().first;
int dist = q.front().second;
q.pop();
for(auto Y:adj[X]){
if(!vis[Y]){
vis[Y] = 1;
dst[start][Y] = dst[start][X] + 1;
}
}
}
}
int minimum_jumps(int A, int B, int C, int D) {
int sta, end;
for (int i = A; i <= B; i++) {
for (int j = C; j <= D; j++) {
sta = i;
end = j;
}
}
bfs(sta, end);
int ans = 1e9;
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) {
ans = min(ans, dst[i][j]);
}
}
if(ans==1e9) return -1;
return ans;
}
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