Posts
Members
Info
The 3Sum problem
Why does the solution use a HashSet? Can we do it without a HashSet? class Solution { …
1
0
Hey, I didn't understand this recursive solution of reversing a linked list
class Solution { public ListNode reverseList(ListNode head) { } …
0
3
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…
0
3
·282d·Locked·Pinned# General
Back To Back SWE Support Community
Why This Exists In addition to our normal support and ticketing system (https://backtobackswe.com/contact) we have created this community so that we can keep histories of things like content requests, feature requests, etc. Ways To Contact Us …
7
0