K5kC | Code & More
Computer Science
Algorithms
Programming Languages
Database
System Design
Problems
Blind 75
Difficulty: Easy
Difficulty: Medium
Difficulty: Hard
Videos
Projects
Android
Data Science
Computer Vision
Simulations
Tools
UUID Generator
Code Formatter
Search
⌘K
Loading problems...
All Problems
25 problems total
Array
(1906)
Sorting
(442)
Depth First Search
(316)
Database
(301)
Breadth First Search
(241)
Tree
(241)
Stack
(172)
Graph Theory
(169)
Linked List
(81)
Monotonic Stack
(67)
Queue
(50)
Recursion
(48)
Shortest Path
(33)
All Topics
(4301)
Database
(305)
Java
(0)
Networking
(0)
Object Oriented Design
(31)
Programming Languages
(5)
System Design
(0)
Algorithms
(3945)
Filter by Difficulty:
Easy
Medium
Hard
🎥
Has Video
Tag:
🏷️
All Tags
Company:
🏢
cisco
Active filters:
Difficulty: easy
×
Company: cisco
×
Clear all
Title
Difficulty
Videos
Companies
Two Sum
easy
adobe
aetion
affirm
+69 more
Longest Common Prefix in array of string
easy
-
adobe
alibaba
amazon
+17 more
Valid Parentheses
easy
adobe
airbnb
akuna-capital
+49 more
Merge Two Sorted Linked Lists
easy
adobe
airbnb
alibaba
+26 more
Remove duplicates from Sorted Array 1
easy
adobe
amazon
apple
+12 more
Merge Two Sorted Arrays
easy
-
adobe
amazon
apple
+22 more
Convert Sorted Array to height-balanced Binary Search Tree
easy
airbnb
amazon
apple
+7 more
Balanced Binary Tree
easy
-
adobe
amazon
apple
+7 more
Best Time To Buy And Sell Stock 1 - only one transaction
easy
adobe
akuna-capital
alibaba
+35 more
Valid Palindrome
easy
adobe
amazon
apple
+14 more
Linked List Cycle 1 - Detect Cycle
easy
adobe
amazon
apple
+11 more
Binary Tree Preorder Traversal
easy
-
amazon
bloomberg
cisco
+2 more
Intersection of Two Linked Lists
easy
-
airbnb
alibaba
amazon
+19 more
Number of 1 Bits
easy
2
adobe
amazon
apple
+6 more
Reverse Linked List
easy
adobe
alibaba
amazon
+31 more
Palindrome Linked List
easy
-
adobe
amazon
apple
+11 more
Valid Anagram
easy
amazon
apple
bloomberg
+16 more
Strobogrammatic Number 1 - Check if strobogrammatic
easy
-
cisco
facebook
google
Reverse String
easy
adobe
amazon
apple
+13 more
Fizz Buzz
easy
-
adobe
amazon
apple
+10 more
Can Place Flowers
easy
-
amazon
cisco
facebook
+3 more
Maximum Product of Three Numbers
easy
-
amazon
apple
bloomberg
+8 more
Middle of the linked list
easy
adobe
amazon
apple
+6 more
Sort Array By Parity
easy
-
amazon
apple
cisco
+5 more
Convert Binary Number in a Linked List to Integer
easy
-
cisco
roblox
servicenow