Company/Amazon | K5kC

Count the number of elements from one array less than or equal to elements in another array

Subtree of Another Tree Problem

Set Matrix Zeros Problem

Linked List Cycle 2 - Find Start of a Cycle

Number of Islands

Reorder List such that i-th element points to n-i th element

Spiral Matrix 2 - Generate

Search in Rotated Sorted Array

Arranging Coins Problem

Single Number 1 - All elements except one occur twice