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Ai Foundation LeetCode Interview Questions

Practice 47 real coding problems frequently asked in Ai Foundation technical interviews. Master these questions to ace your next Ai Foundation software engineering interview.

9 Easy
34 Medium
4 Hard

Top Topics at Ai Foundation

ArrayStringHash TableSortingDynamic Programming

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Ai Foundation Interview Problems

ProblemDifficultyDiffFrequencyTopicsAction
Goat Latin
100%
EasyE
100%
String
Solve→
Maximum Units on a Truck
85%
EasyE
85%
ArrayGreedy+1
Solve→
Best Time to Buy and Sell Stock II
84%
MediumM
84%
ArrayDynamic Programming+1
Solve→
Binary Tree Vertical Order Traversal
82%
MediumM
82%
Hash TableTree+4
Solve→
Valid Sudoku
80%
MediumM
80%
ArrayHash Table+1
Solve→
Check Completeness of a Binary Tree
77%
MediumM
77%
TreeBreadth-First Search+1
Solve→
Pascal's Triangle
77%
EasyE
77%
ArrayDynamic Programming
Solve→
Decode String
76%
MediumM
76%
StringStack+1
Solve→
Sort Colors
73%
MediumM
73%
ArrayTwo Pointers+1
Solve→
Number of Islands
69%
MediumM
69%
ArrayDepth-First Search+3
Solve→
Capacity To Ship Packages Within D Days
68%
MediumM
68%
ArrayBinary Search
Solve→
Binary Search Tree Iterator
68%
MediumM
68%
StackTree+4
Solve→
Word Pattern II
68%
MediumM
68%
Hash TableString+1
Solve→
Make String a Subsequence Using Cyclic Increments
67%
MediumM
67%
Two PointersString
Solve→
Minimum Area Rectangle
67%
MediumM
67%
ArrayHash Table+3
Solve→
Convert Binary Search Tree to Sorted Doubly Linked List
65%
MediumM
65%
Linked ListStack+5
Solve→
Product of Array Except Self
63%
MediumM
63%
ArrayPrefix Sum
Solve→
Next Permutation
63%
MediumM
63%
ArrayTwo Pointers
Solve→
Shortest Palindrome
63%
HardH
63%
StringRolling Hash+2
Solve→
Diameter of Binary Tree
63%
EasyE
63%
TreeDepth-First Search+1
Solve→
Simplify Path
63%
MediumM
63%
StringStack
Solve→
Design an Ordered Stream
62%
EasyE
62%
ArrayHash Table+2
Solve→
Diagonal Traverse
61%
MediumM
61%
ArrayMatrix+1
Solve→
Remove Letter To Equalize Frequency
61%
EasyE
61%
Hash TableString+1
Solve→
Coin Change
60%
MediumM
60%
ArrayDynamic Programming+1
Solve→

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LRU Cache
59%
MediumM
59%
Hash TableLinked List+2
Solve→
Maximum Sum of Distinct Subarrays With Length K
56%
MediumM
56%
ArrayHash Table+1
Solve→
High Five
55%
EasyE
55%
ArrayHash Table+2
Solve→
Populating Next Right Pointers in Each Node
54%
MediumM
54%
Linked ListTree+3
Solve→
Max Stack
53%
HardH
53%
Linked ListStack+3
Solve→
Maximize Amount After Two Days of Conversions
53%
MediumM
53%
ArrayString+3
Solve→
Number of Distinct Islands
53%
MediumM
53%
Hash TableDepth-First Search+3
Solve→
K Closest Points to Origin
53%
MediumM
53%
ArrayMath+5
Solve→
Expression Add Operators
50%
HardH
50%
MathString+1
Solve→
Jump Game II
46%
MediumM
46%
ArrayDynamic Programming+1
Solve→
Minimum Add to Make Parentheses Valid
45%
MediumM
45%
StringStack+1
Solve→
Jump Game
45%
MediumM
45%
ArrayDynamic Programming+1
Solve→
Median of Two Sorted Arrays
37%
HardH
37%
ArrayBinary Search+1
Solve→
House Robber
32%
MediumM
32%
ArrayDynamic Programming
Solve→
Design Hit Counter
30%
MediumM
30%
ArrayBinary Search+3
Solve→
Sqrt(x)
30%
EasyE
30%
MathBinary Search
Solve→
Search a 2D Matrix
30%
MediumM
30%
ArrayBinary Search+1
Solve→
Subsets
30%
MediumM
30%
ArrayBacktracking+1
Solve→
First Unique Character in a String
23%
EasyE
23%
Hash TableString+2
Solve→
Rank Teams by Votes
22%
MediumM
22%
ArrayHash Table+3
Solve→
Construct Quad Tree
21%
MediumM
21%
ArrayDivide and Conquer+2
Solve→
Coin Change II
21%
MediumM
21%
ArrayDynamic Programming
Solve→

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Frequently Asked Questions

What LeetCode problems does Ai Foundation ask in interviews?

Ai Foundation commonly asks 47 coding problems in technical interviews, including Goat Latin, Maximum Units on a Truck, Best Time to Buy and Sell Stock II. The difficulty breakdown is 9 Easy, 34 Medium, and 4 Hard problems.

How should I prepare for a Ai Foundation coding interview?

Focus on the most frequently asked problems first, especially those with high frequency scores. Ai Foundation interviews typically emphasize Array and String. Practice explaining your thought process while coding.

What is the difficulty level of Ai Foundation coding interviews?

Based on our data, Ai Foundation interviews include 9 Easy (19%), 34 Medium (72%), and 4 Hard (9%) problems.

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