leetcode/include/s0020_valid_parentheses.hpp

#ifndef S0020_VALID_PARENTHESES_HPP
#define S0020_VALID_PARENTHESES_HPP

#include <stack>
#include <string>

using namespace std;

class S0020 {
 public:
  bool isValid(string s);
  bool match(string s1, string s2);
};

#endif