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Algorithms

Substring with Concatenation of All Words

Merge Two Binary Trees

Palindrome Linked List

Intersection of Two Sorted Array

Swap two number in place without temporary variables

August 11, 2022 · 3 min ·  Tags List of tags for the post   ctci ·  bits ·  number ·  moderate ·  xor ·  Last updated: Aug 2, 2025

Swap Kth node from beginning with Kth node from end in a Linked List

Subarray with sum divisible by k

August 11, 2022 · 3 min ·  Tags List of tags for the post   sum ·  subarray ·  subarray-sum ·  Last updated: Aug 2, 2025

Second largest element in binary search tree

Replace all occurrences of a pattern in a text by another string

Reverse a stack in place using recursion

August 11, 2022 · 3 min ·  Tags List of tags for the post   stack ·  reverse ·  Last updated: Aug 2, 2025
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