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CodeTutor - Coding Interview Preparation
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Showing 20 of 40 questions
Advantage Shuffle
Medium
Sorting
Arrays
Greedy
Two Pointers
★
LeetCode #870
Alert Using Same Key-Card Three or More Times in a One Hour Period
Medium
Strings
Arrays
Hash Tables
Sorting
1
2
Sliding Window
★
LeetCode #1604
All Elements in Two Binary Search Trees
Medium
Sorting
Trees
Binary Tree Traversal
Two Pointers
★
LeetCode #1305
Allocate Mailboxes
Hard
Sorting
Arrays
Dynamic Programming
Math
Dynamic Programming
★
LeetCode #1478
Append K Integers With Minimal Sum
Medium
Sorting
Arrays
Math
Greedy
★
LeetCode #2195
Arithmetic Subarrays
Medium
Arrays
Hash Tables
Sorting
Two Pointers
★
LeetCode #1630
Array of Doubled Pairs
Medium
Sorting
Arrays
Hash Tables
Greedy
★
LeetCode #954
Array Partition
Easy
Arrays
Sorting
Greedy
★
LeetCode #561
Array With Elements Not Equal to Average of Neighbors
Medium
Arrays
Sorting
Greedy
★
LeetCode #1968
Assign Cookies
Easy
Arrays
Two Pointers
Sorting
Greedy
Two Pointers
★
LeetCode #455
Average Salary Excluding the Minimum and Maximum Salary
Easy
Sorting
Arrays
Greedy
★
LeetCode #1491
Bag of Tokens
Medium
Sorting
Arrays
Two Pointers
Two Pointers
★
Greedy
LeetCode #948
Best Team With No Conflicts
Medium
Arrays
Dynamic Programming
Sorting
Dynamic Programming
★
LeetCode #1626
Binary Trees With Factors
Medium
Sorting
Arrays
Hash Tables
Dynamic Programming
Dynamic Programming
★
LeetCode #823
Boats to Save People
Medium
Arrays
Two Pointers
Sorting
Two Pointers
★
Greedy
LeetCode #881
Can Make Arithmetic Progression From Sequence
Easy
Sorting
Arrays
Two Pointers
★
LeetCode #1502
Car Fleet
Medium
Arrays
Stack
Sorting
Monotonic Stack
★
LeetCode #853
Car Pooling
Medium
Sorting
Arrays
Prefix Sum
★
Overlapping Intervals
LeetCode #1094
Check If a String Can Break Another String
Medium
Sorting
Strings
Greedy
★
LeetCode #1433
Check If String Is Transformable With Substring Sort Operations
Hard
Strings
Sorting
Greedy
★
LeetCode #1585