#include <bits/stdc++.h> using namespace std; vector<int> He; int t; int n, m; void initialize(std::vector<int> T, std::vector<int> H) { t = T[0]; He = H; n = T.size(); m = H.size(); } bool can_reach( int L, int R, int S, int D) { // if (S > D) { while (S > D) { S--; if (t <= He[S]) return false; } if (S == D) return true; } else if (S < D) { while (S < D) { S++; if (t <= He[S]) return false; } if (S == D) return true; } return true; }