[−][src]Module leetcode_for_rust::cd0020_valid_parentheses
Valid Parentheses leetcode: 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.
Example1:
Input: "()" Output: true
Example2:
Input: "()[]{}" Output: true
Example3:
Input: "(]" Output: false
Example4:
Input: "([)]" Output: false
Example5:
Input: "{[]}" Output: true
Functions
is_valid | Solutions |
is_valid2 | Solutions |