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Problem
Given a string S consisting of '(' and ')', find the length of the longest substring with balanced parentheses.
Input format
Input
input.txt
- String S (1–100)
Output format
Output
output.txt
- Integer: length of longest balanced substring
Example
input
(()())(())
output
6
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Sample cases (from the problem)
Sample Case 1
Input
(()())(())
Expected output
6
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