Project initialized using dotnet core CLI:
dotnet new console
Original problem : Valid Parentheses https://leetcode.com/problems/valid-parentheses
Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid.
An input string is valid if:
Open brackets must be closed by the same type of brackets. Open brackets must be closed in the correct order. Note that an empty string is also considered valid.
Example 1 :
Input: "()"
Output: true
Example 2 :
Input: "()[]{}"
Output: true
Example 3 :
Input: "(]"
Output: false
Example 4 :
Input: "([)]"
Output: false
Example 5 :
Input: "{[]}"
Output: true