text: #ifndef SOLUTION_029
  #define SOLUTION_029
  
  #include <iostream>
  #include <vector>
  #include <map>
  #include <queue>
  #include <set>
  #include <string>
  #include <algorithm>
  #include <list>
  #include <iterator>
  #include <unordered_map>
  
  using namespace std;
  
  
  class Solution {
  public:
  	int mySqrt(int x);
  	int findSqrt(int x, int low, int high);
  };
  
  #endif