LeetCode. 20. Valid Parentheses. Coding in Swift.
Given a string s 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.
Every close bracket has a corresponding open bracket of the same type.
00:00 Intro to the task
00:30 Solving the problem
06:24 Checking and submitting the solution