Minimum Add to Make Parentheses Valid

This video explains about adding minimum number of parentheses to make it valid from leetcode 961. I have explained 2 approaches. First using stack and then using optimal count approach.
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[@VontimittaSaiDaiwik]

Excellent explanation, sir! I started watching your videos yesterday and I'm committed to building a daily streak throughout October. Looking forward to learning more every day!

[@techdose4u]

I will try my best to upload everyday :)

[@Khadijah_Shabir]

I wait for your October streak videos every single day. You are doing great. Thank you so much sir

[@techdose4u]

woww :o

[@subashraj3919]

Thanks

[@techdose4u]

welcome :)