Josh Technology Interview Questions (36)

Practice real interview problems from Josh Technology

Title	Solution	Practice	Difficulty	Companies	Topics
2. Add Two Numbers	Solution	Solve	Medium	Accenture+37	Linked List Math+1
19. Remove Nth Node From End of List	Solution	Solve	Medium	Accenture+18	Linked List Two Pointers
21. Merge Two Sorted Lists	Solution	Solve	Easy	Adobe+39	Linked List Recursion
25. Reverse Nodes in k-Group	Solution	Solve	Hard	Adobe+27	Linked List Recursion
33. Search in Rotated Sorted Array	Solution	Solve	Medium	Accolite+54	Array Binary Search
49. Group Anagrams	Solution	Solve	Medium	Accolite+90	Array Hash Table+2
54. Spiral Matrix	Solution	Solve	Medium	Accenture+52	Array Matrix+1
61. Rotate List	Solution	Solve	Medium	Amazon+11	Linked List Two Pointers
70. Climbing Stairs	Solution	Solve	Easy	Accenture+37	Dynamic Programming Math+1
84. Largest Rectangle in Histogram	Solution	Solve	Hard	Adobe+31	Array Monotonic Stack+1
114. Flatten Binary Tree to Linked List	Solution	Solve	Medium	Amazon+7	Binary Tree Depth-First Search+3
132. Palindrome Partitioning II	Solution	Solve	Hard	Amazon+10	Dynamic Programming String
179. Largest Number	Solution	Solve	Medium	Accenture+23	Array Greedy+2
226. Invert Binary Tree	Solution	Solve	Easy	Amazon+10	Binary Tree Breadth-First Search+2
283. Move Zeroes	Solution	Solve	Easy	Accenture+48	Array Two Pointers
328. Odd Even Linked List	Solution	Solve	Medium	Amazon+11	Linked List
402. Remove K Digits	Solution	Solve	Medium	Accenture+20	Greedy Monotonic Stack+2
463. Island Perimeter	Solution	Solve	Easy	Amazon+9	Array Breadth-First Search+2
513. Find Bottom Left Tree Value	Solution	Solve	Medium	Amazon+6	Binary Tree Breadth-First Search+2
515. Find Largest Value in Each Tree Row	Solution	Solve	Medium	Amazon+7	Binary Tree Breadth-First Search+2
617. Merge Two Binary Trees	Solution	Solve	Easy	Amazon+7	Binary Tree Breadth-First Search+2
739. Daily Temperatures	Solution	Solve	Medium	Accenture+32	Array Monotonic Stack+1
875. Koko Eating Bananas	Solution	Solve	Medium	Accenture+40	Array Binary Search
1026. Maximum Difference Between Node and Ancestor	Solution	Solve	Medium	Amazon+4	Binary Tree Depth-First Search+1
1171. Remove Zero Sum Consecutive Nodes from Linked List	Solution	Solve	Medium	Amazon+8	Hash Table Linked List
1315. Sum of Nodes with Even-Valued Grandparent	Solution	Solve	Medium	Amazon+4	Binary Tree Breadth-First Search+2
1325. Delete Leaves With a Given Value	Solution	Solve	Medium	Amazon+3	Binary Tree Depth-First Search+1
1448. Count Good Nodes in Binary Tree	Solution	Solve	Medium	Amazon+6	Binary Tree Breadth-First Search+2
2074. Reverse Nodes in Even Length Groups	Solution	Solve	Medium	Amazon+5	Linked List
2130. Maximum Twin Sum of a Linked List	Solution	Solve	Medium	Amazon+5	Linked List Stack+1
2134. Minimum Swaps to Group All 1's Together II	Solution	Solve	Medium	Adobe+9	Array Sliding Window
2181. Merge Nodes in Between Zeros	Solution	Solve	Medium	Amazon+4	Linked List Simulation
2375. Construct Smallest Number From DI String	Solution	Solve	Medium	Amazon+4	Backtracking Greedy+2
2415. Reverse Odd Levels of Binary Tree	Solution	Solve	Medium	Amazon+3	Binary Tree Breadth-First Search+2
2606. Find the Substring With Maximum Cost	Solution	Solve	Medium	Amazon+1	Array Dynamic Programming+2
2824. Count Pairs Whose Sum is Less than Target	Solution	Solve	Easy	Amazon+6	Array Binary Search+2