Valid Parentheses
Examples
Example 1:
Input: s = "[]"
Output: true
Example 2:
Input: s = "([{}])"
Output: true
Example 3:
Input: s = "[(])"
Output: false
Explanation:
Stack
Example 1:
Input: s = "[]"
Output: true
Example 2:
Input: s = "([{}])"
Output: true
Example 3:
Input: s = "[(])"
Output: false
Explanation:
You are given a string s consisting of the following characters: '(', ')', '{', '}', '[' and ']'.
The input string s is valid if and only if:
Return true if s is a valid string, and false otherwise.
The brackets are not closed in the correct order.
1 <= s.length <= 1000