Dashboard Questions Topics Companies Sheets

Apple Interview Questions

390 coding problems asked in Apple interviews. Prepare for your technical interview with real questions.

390

Problems

125

Easy

194

Medium

Hard

Difficulty

All390 Easy125 Medium194 Hard71

Title	Solve	Difficulty	Companies	Topics
778. Swim in Rising Water	Solve	Hard	Amazon+6	Array Binary Search+5
787. Cheapest Flights Within K Stops	Solve	Medium	Airbnb+15	Breadth-First Search Depth-First Search+4
796. Rotate String	Solve	Easy	Apple+4	String String Matching
797. All Paths From Source to Target	Solve	Medium	Adobe+7	Backtracking Breadth-First Search+2
798. Smallest Rotation with Highest Score	Solve	Hard	Apple	Array Prefix Sum
814. Binary Tree Pruning	Solve	Medium	Apple+1	Binary Tree Depth-First Search+1
821. Shortest Distance to a Character	Solve	Easy	Apple+1	Array String+1
823. Binary Trees With Factors	Solve	Medium	Amazon+2	Array Dynamic Programming+2
839. Similar String Groups	Solve	Hard	Apple+1	Array Breadth-First Search+4
844. Backspace String Compare	Solve	Easy	Amazon+12	Simulation Stack+2
847. Shortest Path Visiting All Nodes	Solve	Hard	Amazon+7	Bit Manipulation Bitmask+3
852. Peak Index in a Mountain Array	Solve	Medium	Accolite+22	Array Binary Search
853. Car Fleet	Solve	Medium	Amazon+5	Array Monotonic Stack+2
860. Lemonade Change	Solve	Easy	Amazon+2	Array Greedy
863. All Nodes Distance K in Binary Tree	Solve	Medium	Amazon+18	Binary Tree Breadth-First Search+3
867. Transpose Matrix	Solve	Easy	Amazon+3	Array Matrix+1
869. Reordered Power of 2	Solve	Medium	Adobe+4	Counting Enumeration+3
871. Minimum Number of Refueling Stops	Solve	Hard	Amazon+9	Array Dynamic Programming+2
876. Middle of the Linked List	Solve	Easy	Adobe+6	Linked List Two Pointers
881. Boats to Save People	Solve	Medium	Amazon+6	Array Greedy+2
887. Super Egg Drop	Solve	Hard	Amazon+3	Binary Search Dynamic Programming+1
890. Find and Replace Pattern	Solve	Medium	Apple	Array Hash Table+1
894. All Possible Full Binary Trees	Solve	Medium	Adobe+6	Binary Tree Dynamic Programming+3
895. Maximum Frequency Stack	Solve	Hard	Adobe+7	Design Hash Table+2
905. Sort Array By Parity	Solve	Easy	Amazon+11	Array Sorting+1
907. Sum of Subarray Minimums	Solve	Medium	Amazon+8	Array Dynamic Programming+2
916. Word Subsets	Solve	Medium	Adobe+2	Array Hash Table+1
930. Binary Subarrays With Sum	Solve	Medium	Amazon+4	Array Hash Table+2
938. Range Sum of BST	Solve	Easy	Amazon+3	Binary Search Tree Binary Tree+2
948. Bag of Tokens	Solve	Medium	Adobe+3	Array Greedy+2
968. Binary Tree Cameras	Solve	Hard	Amazon+7	Binary Tree Depth-First Search+2
979. Distribute Coins in Binary Tree	Solve	Medium	Amazon+3	Binary Tree Depth-First Search+1
988. Smallest String Starting From Leaf	Solve	Medium	Apple	Backtracking Binary Tree+3
990. Satisfiability of Equality Equations	Solve	Medium	Amazon+4	Array Graph+2
992. Subarrays with K Different Integers	Solve	Hard	Adobe+10	Array Counting+2
996. Number of Squareful Arrays	Solve	Hard	Apple+1	Array Backtracking+5
997. Find the Town Judge	Solve	Easy	Adobe+3	Array Graph+1
1004. Max Consecutive Ones III	Solve	Medium	Amazon+6	Array Binary Search+2
1009. Complement of Base 10 Integer	Solve	Easy	Adobe+1	Bit Manipulation
1010. Pairs of Songs With Total Durations Divisible by 60	Solve	Medium	Amazon+7	Array Counting+1
1011. Capacity To Ship Packages Within D Days	Solve	Medium	Adobe+16	Array Binary Search
1022. Sum of Root To Leaf Binary Numbers	Solve	Easy	Amazon+2	Binary Tree Depth-First Search+1
1036. Escape a Large Maze	Solve	Hard	Apple+2	Array Breadth-First Search+2
1039. Minimum Score Triangulation of Polygon	Solve	Medium	Adobe+3	Array Dynamic Programming
1045. Customers Who Bought All Products	Solve	Medium	Adobe+2	Database
1051. Height Checker	Solve	Easy	Apple+2	Array Counting Sort+1
1061. Lexicographically Smallest Equivalent String	Solve	Medium	Apple	String Union Find
1095. Find in Mountain Array	Solve	Hard	Adobe+8	Array Binary Search+1
1137. N-th Tribonacci Number	Solve	Easy	Adobe+3	Dynamic Programming Math+1
1148. Article Views I	Solve	Easy	Adobe+7	Database