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Josh-technology Master DSA Sheet

This compilation contains exclusive, previously asked data structure and algorithm questions from real Josh-technology interviews. Focus on these core problem patterns to confidently tackle even the hardest interview challenges.

top-specificjosh-technology-prep
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Spiral Matrix6 Months
Medium
Climbing Stairs
Easy
Koko Eating Bananas
Medium
Palindrome Partitioning II
Hard
Daily Temperatures
Medium
Reverse Nodes in Even Length Groups6 Months
Medium
Merge Two Binary Trees
Easy
Reverse Odd Levels of Binary Tree
Medium
Largest Number6 Months
Medium
Remove K Digits
Medium
Move Zeroes
Easy
Find the Substring With Maximum Cost
Medium
Search in Rotated Sorted Array
Medium
Merge Two Sorted Lists
Easy
Largest Rectangle in Histogram
Hard
Remove Zero Sum Consecutive Nodes from Linked List
Medium
Group Anagrams
Medium
Add Two Numbers
Medium
Reverse Nodes in k-Group
Hard
Sum of Nodes with Even-Valued Grandparent
Medium
Island Perimeter
Easy
Odd Even Linked List
Medium
Flatten Binary Tree to Linked List
Medium
Find Bottom Left Tree Value
Medium
Count Pairs Whose Sum is Less than Target
Easy
Remove Nth Node From End of List
Medium
Count Good Nodes in Binary Tree
Medium
Minimum Swaps to Group All 1's Together II
Medium
Merge Nodes in Between Zeros
Medium
Rotate List
Medium
Invert Binary Tree
Easy
Maximum Difference Between Node and Ancestor
Medium
Maximum Twin Sum of a Linked List
Medium
Construct Smallest Number From DI String
Medium
Delete Leaves With a Given Value
Medium
Find Largest Value in Each Tree Row6 Months
Medium