All Problems

40 problems total

Filter by Difficulty:

Tag:

Company:

Active filters:Difficulty: medium×Company: cisco×
TitleDifficultyVideosCompanies
Add Two Numbers represented as Linked List in Reversed Ordermedium-
Longest Substring Without Repeating Charactersmedium
Longest Palindromic Substringmedium
Reverse Integermedium-
Convert String to Integer atoimedium-
3Sum0 - Find three elements in an array that sum to a zeromedium
Letter Combinations of a Phone Numbermedium-
Remove Nth Node From End of Listmedium
Generate Parenthesesmedium-
Search in Rotated Sorted Arraymedium
Rotate n x n matrix by 90 degreesmedium
Permutations of Array 1medium-
Group Anagramsmedium
Maximum Subarray Summedium
Spiral Matrix 1 - Returnmedium
Merge Overlapping Intervalsmedium
Swap odd and even bits in an integermedium-
Decode Waysmedium
Binary Tree Level Order Traversal - Level by Levelmedium
Reorder List such that i-th element points to n-i-th elementmedium
Design LRU Cachemedium-
Reverse Words in a Stringmedium-
Binary Search Tree BST Inorder Iteratormedium-
Rotate an Array to Rightmedium-
House Robbermedium
Number of Islandsmedium
Course Schedule 1 - Is it Possiblemedium
Lowest Common Ancestor of a Binary Search Treemedium
Delete non-tail Node in linked list, Given only access to that Nodemedium
Different Ways to Add Parenthesesmedium-
Strobogrammatic Number 2 - Generate for length nmedium-
Maximum Intervals Overlap Countmedium
Least Number of Perfect Squares that Sums to nmedium-
Shuffle an Arraymedium-
Decode Stringmedium-
Add Two Numbers represented as Linked List in Forward ordermedium-
Delete in a Binary Search Treemedium-
Validate IP Addressmedium-
Daily Temperaturesmedium-
Snakes and Laddersmedium-