lucifer_107's blog

By lucifer_107, history, 21 month(s) ago, In English

Hi,

I've been trying to learn to solve problems based on binary search and prefix sum. Here is one question that I've come across. Can anyone suggest me a couple more.

Thanks

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https://www.youtube.com/watch?v=egRrgj8JOdY

this channel video help u to better understand to know binary search