#include "obstacles.h" #include <bits/stdc++.h> using namespace std; vector<int> v; void initialize(vector<int> T, vector<int> H) { for (int i = 0; i < H.size(); i++) { if (T[0] <= H[i]) v.push_back(i); } } bool can_reach(int L, int R, int S, int D) { auto it = lowerbound(v.begin(), v.end(), S); if (*it < D) { return false; } return true; }

obstacles.cpp: In function 'bool can_reach(int, int, int, int)':
obstacles.cpp:16:19: error: 'lowerbound' was not declared in this scope; did you mean 'lround'?
   16 |         auto it = lowerbound(v.begin(), v.end(), S);
      |                   ^~~~~~~~~~
      |                   lround