Validate parentheses string
Java
Hard
6 views
Problem Description
Task: given a char array containing '(', ')', return true if it is balanced.
Output Format
Return value
Constraints
Only parentheses characters are present.
Official Solution
static boolean isBalanced(char[] s){int bal=0;for(char c:s){if(c=='(') bal++; else {bal--; if(bal<0) return false;}}return bal==0;}
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