Need good resources to learn BIT and Tries

I need good resources to practice qstns on tries and BIT, 2D-BIT. Can anyone suggest some good resources @aryanc403 @samarthtandon @anon55659401.

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https://lmgtfy.com/?q=trie+codeforces
https://lmgtfy.com/?q=bit+codeforces

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You can also watch Algorithms Live’s video on BIT…

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You would have replied to post instead of replying me. Replies generate a mail for me.

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Hello, @bng442! you can learn from here:


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