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CodeTutor - Coding Interview Preparation
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Showing 20 of 118 questions
Add Binary
Easy
Math
Strings
Two Pointers
★
LeetCode #67
Add Digits
Easy
Math
Greedy
★
LeetCode #258
Add Strings
Easy
1
2
3
4
5
6
Math
Strings
Two Pointers
★
LeetCode #415
Add to Array-Form of Integer
Easy
Arrays
Math
Two Pointers
★
LeetCode #989
Add Two Integers
Easy
Math
Bit Manipulation
★
LeetCode #2235
Alternating Digit Sum
Easy
Math
Greedy
★
LeetCode #2544
Arranging Coins
Easy
Math
Binary Search
Binary Search
★
LeetCode #441
Append Characters to String to Make Subsequence
Easy
Strings
Two Pointers
Two Pointers
★
Greedy
LeetCode #2486
Apply Operations to an Array
Easy
Arrays
Two Pointers
Two Pointers
★
LeetCode #2460
Array Partition
Easy
Arrays
Sorting
Greedy
★
LeetCode #561
Assign Cookies
Easy
Arrays
Two Pointers
Sorting
Greedy
Two Pointers
★
LeetCode #455
Available Captures for Rook
Easy
Arrays
Matrix Traversal
★
LeetCode #999
Average of Levels in Binary Tree
Easy
Queue
Trees
BFS (Breadth-First Search)
★
Binary Tree Traversal
LeetCode #637
Average Salary Excluding the Minimum and Maximum Salary
Easy
Sorting
Arrays
Greedy
★
LeetCode #1491
Average Value of Even Numbers That Are Divisible by Three
Easy
Arrays
Math
Prefix Sum
★
LeetCode #2455
Backspace String Compare
Easy
Strings
Stack
Two Pointers
Two Pointers
★
LeetCode #844
Balanced Binary Tree
Easy
Trees
Recursion
DFS (Depth-First Search)
★
Binary Tree Traversal
LeetCode #110
Base 7
Easy
Strings
Math
Greedy
★
LeetCode #504
Baseball Game
Easy
Arrays
Stack
Monotonic Stack
★
LeetCode #682
A Number After a Double Reversal
Easy
Math
Greedy
★
LeetCode #2119