false.

Ensure that at any point, the number of closing parentheses does not exceed the number of opening parentheses when considering the flexible positions.

Backward Pass (Right to Left):

This helps balance any excess opening parentheses by utilizing available changes from the other direction.
Use two counters: close for fixed closing parentheses and flexible for flexible positions.
Traverse the string from right to left:
- Increment flexible for positions that can be changed (locked[i] == '0').
- Increment close for fixed closing parentheses ')'.
- For an opening parenthesis '(', decrement close if available; otherwise, use flexible. If neither is available, return false.
Ensure that at any point, the number of opening parentheses does not exceed the number of closing parentheses when considering the flexible positions.

Code

[{"language":"Java","code":"class Solution {\n    public boolean canBeValid(String s, String locked) {\n        int n = s.length();\n        if (n % 2 != 0) return false;\n            \n        // Forward pass\n        int open = 0, flexib

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