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CodeTutor - Coding Interview Preparation
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Showing 20 of 216 questions
Merge Triplets to Form Target Triplet
Medium
Arrays
Greedy
★
LeetCode #1899
Min Cost Climbing Stairs
Easy
Arrays
Dynamic Programming
Dynamic Programming
★
LeetCode #746
1
2
3
4
5
6
7
8
9
10
11
Minimum Interval to Include Each Query
Hard
Arrays
Heap
Sorting
Heap / Priority Queue
★
LeetCode #1851
Minimum Path Sum
Medium
Arrays
Dynamic Programming
Dynamic Programming
Matrix Traversal
★
LeetCode #64
Minimum Size Subarray Sum
Medium
Arrays
Binary Search
Sliding Window
Binary Search
★
Prefix Sum
LeetCode #209
Missing Number
Easy
Arrays
Math
Prefix Sum
★
LeetCode #268
Number of Islands
Medium
Arrays
Graphs
DFS (Depth-First Search)
BFS (Breadth-First Search)
★
Matrix Traversal
LeetCode #200
1-bit and 2-bit Characters
Easy
Arrays
Greedy
★
LeetCode #717
Pacific Atlantic Water Flow
Medium
Arrays
Graphs
DFS (Depth-First Search)
★
Matrix Traversal
LeetCode #417
Partition Equal Subset Sum
Medium
Arrays
Dynamic Programming
Dynamic Programming
★
LeetCode #416
Partition to K Equal Sum Subsets
Medium
Arrays
Recursion
Dynamic Programming
Backtracking
★
LeetCode #698
Path With Minimum Effort
Medium
Arrays
Binary Search
Heap
Graphs
Heap / Priority Queue
★
Binary Search
BFS (Breadth-First Search)
Matrix Traversal
LeetCode #1631
Permutations II
Medium
Arrays
Recursion
Sorting
Backtracking
★
LeetCode #47
Permutations
Medium
Arrays
Recursion
Backtracking
★
LeetCode #46
Plus One
Easy
Arrays
Math
Greedy
★
LeetCode #66
Product of Array Except Self
Medium
Arrays
Prefix Sum
★
LeetCode #238
Remove Duplicates from Sorted Array
Easy
Arrays
Two Pointers
Two Pointers
★
LeetCode #26
Remove Element
Easy
Arrays
Two Pointers
Two Pointers
★
LeetCode #27
Rotate Array
Medium
Arrays
Two Pointers
Math
Two Pointers
★
LeetCode #189
Rotate Image
Medium
Math
Arrays
Matrix Manipulation
★
LeetCode #48