| Stone Game V |
Hard
|
|
|
| Stone Game VII |
Medium
|
|
|
| Strassen Matrix Multiplication Algorithm |
Medium
|
|
|
| Strong Password Checker and Suggester |
Medium
|
|
|
| Subset Sum 2 - Count the subsets |
Medium
|
|
|
| Subtract Two Numbers Without Using Arithematic Operators |
Easy
|
|
|
| Subtract using plus operator only |
Easy
|
|
|
| Successful Pairs of Spells and Potions |
Medium
|
|
|
| Sum of Pairwise Hamming Distances |
Medium
|
google
|
|
| Swap bits at position i and j |
Easy
|
|
|
| Swap Nibbles in a Byte |
Easy
|
|
|
| Swim in Rising Water |
Hard
|
facebook
google
|
|
| Tallest Billboard |
Hard
|
|
|
| Tetranacci Numbers |
Easy
|
|
|
| The Number of Weak Characters in the Game |
Medium
|
|
|
| Third Maximum Number |
Easy
|
amazon
bloomberg
facebook
google
microsoft
|
|
| Toggle a specified bit in a bit string without effecting other bits |
Easy
|
|
|
| Toggle the n-th bit |
Easy
|
|
|
| Traveling Salesman Problem |
Hard
|
|
|
| Triples with Bitwise AND Equal To Zero |
Hard
|
flipkart
google
|
|
| Turn off the rightmost 1-bit |
Easy
|
|
|
| Turn off the rightmost contiguous string of 1’s |
Medium
|
|
|
| Turn on the rightmost 0-bit |
Easy
|
|
|
| Turning a bit off without affecting other bits |
Easy
|
|
|
| Twitter Codility Problem - Max Binary Gap |
Easy
|
|
|
| Two City Scheduling |
Medium
|
amazon
bloomberg
facebook
google
|
|
| Two Number Missing in Range 1 to N |
Medium
|
|
|
| Unbounded Knapsack Problem |
Medium
|
|
|
| Uniform Random Sampling of k Nodes in a Binary Tree |
Medium
|
|
|
| Unique Paths in Grid without crossing main diagonal |
Medium
|
|
|
| Unique Substrings in Wraparound String |
Medium
|
google
maq-software
|
|
| Valid Permutations for DI Sequence |
Hard
|
|
|
| Video Stitching |
Medium
|
amazon
google
|
|
| Walls and Gates |
Medium
|
amazon
apple
bloomberg
bytedance
facebook
google
microsoft
spotify
uber
|
|
| Water and Jug |
Medium
|
amazon
google
lyft
microsoft
uber
|
|
| Wave Sort |
Medium
|
adobe
google
|
|
| Well-Ordered Permutations of a String |
Easy
|
|
|
| Wiggle Sort 2 - No Adjacent Duplicates |
Medium
|
airbnb
akuna-capital
facebook
google
paypal
|
|
| Wiggle Subsequence |
Medium
|
amazon
facebook
uber
|
|
| Wolf, Sheep, Cabbage - River Crossing Puzzle |
|
|
|
| Word Ladder - Get shortest ladder |
Medium
|
|
|
| Word Ladder - Get shortest ladder by changing, adding or removing one letter at a time |
Medium
|
|
|
| Word Ladder 0 - Is a ladder there |
Medium
|
|
|
| Word Search - Visit Order Matrix in all directions |
|
|
|
| Painting a Grid With Three Different Colors |
Hard
|
|
|
| Longest Unequal Adjacent Groups Subsequence II |
Medium
|
|
|
| Longest Unequal Adjacent Groups Subsequence I |
Easy
|
|
|
| Total Characters in String After Transformations II |
Hard
|
|
|
| Total Characters in String After Transformations I |
Medium
|
|
|
| Finding 3-Digit Even Numbers |
Easy
|
|
|