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Back To Back SWE

We help software engineers find the job of their dreams with exceptional explanations & teaching resources

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I am not able to login in https://backtobackswe.com, if someone can help?

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Login error

Hi, I just signed up, but could not login again

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not able to access paid content ,please somebody help

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The 3Sum problem

Why does the solution use a HashSet? Can we do it without a HashSet? class Solution { …

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Is it okay to post personal solutions in the discussions section?

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Hey, I didn't understand this recursive solution of reversing a linked list

class Solution { public ListNode reverseList(ListNode head) { } …

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preferable ordered for the categories and topics

does the categories order in a specific way when I join the platform or it's just set in an arbitrary way? and if it's not ordered what is the preferable order I use to go through the topics from easy to advance ones?

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Custom Comparators

Hi, Im having a hard time learning how to implement a custom comparator. Lets say I want to write a comparator for a minHeap that sorts integers with respect to the difference between them and some number x. I understand that a comparator returns 1 if a > b, 0 if a==b and -1 if…

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Hi all, glad to be here.

I was wondring if there's some sort of promo code for the platform

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