Easy42.8% acceptance
Valid Parentheses
Determine whether a string of brackets is correctly balanced.
Topics
StackStrings
Examples
Input: s = "()"
Output: true
Input: s = "([)]"
Output: false
Expected Complexity
O(n) time and O(n) space using a stack.
What happens after Submit?
ERROR DNA analyzes your submission and identifies recurring patterns in your mistakes.
solution.cppC++17
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C++17