text: #include <string> 
  #include <iostream>
  
  bool bf_find(const std::string &src, const std::string &dst) {
  	bool result = false;
  	for (int i = 0; i <= src.size() - dst.size(); ++i) {
  		bool f = true;
  		for (int j = 0; j < dst.size(); ++j) {
  			if (src[i+j] != dst[j]) {
  				f = false;
  				break;
  			}
  		}
  		if (f) {
  			return true;
  		}
  	}
  	return result;
  }
  
  int main() {
  	std::string src = "hello";
  	std::string dst = "hell";
  	std::cout << bf_find(src, dst) << std::endl;
  	dst = "holl";
  	std::cout << bf_find(src, dst) << std::endl;
  	return 0;
  }
  