lucifer_107's blog

By lucifer_107, history, 19 months 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