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Intel Problems
Master the most frequently asked interview questions for this company.
ID
Title
Difficulty
Topics
1614
Maximum Nesting Depth of the Parentheses
Easy
String
Stack
2526
Find Consecutive Integers from a Data Stream
Medium
Hash Table
Design
42
Trapping Rain Water
Hard
Array
Two Pointers
20
Valid Parentheses
Easy
String
Stack
200
Number of Islands
Medium
Array
Depth-First Search
138
Copy List with Random Pointer
Medium
Hash Table
Linked List
1
Two Sum
Easy
Array
Hash Table
3
Longest Substring Without Repeating Characters
Medium
Hash Table
String
204
Count Primes
Medium
Array
Math
122
Best Time to Buy and Sell Stock II
Medium
Array
Dynamic Programming
7
Reverse Integer
Medium
Math
146
LRU Cache
Medium
Hash Table
Linked List
121
Best Time to Buy and Sell Stock
Easy
Array
Dynamic Programming
2
Add Two Numbers
Medium
Linked List
Math
70
Climbing Stairs
Easy
Math
Dynamic Programming
21
Merge Two Sorted Lists
Easy
Linked List
Recursion
151
Reverse Words in a String
Medium
Two Pointers
String
9
Palindrome Number
Easy
Math
11
Container With Most Water
Medium
Array
Two Pointers
88
Merge Sorted Array
Easy
Array
Two Pointers
48
Rotate Image
Medium
Array
Math
141
Linked List Cycle
Easy
Hash Table
Linked List
125
Valid Palindrome
Easy
Two Pointers
String
53
Maximum Subarray
Medium
Array
Divide and Conquer
692
Top K Frequent Words
Medium
Array
Hash Table
