| Number of Equal Count Substrings |
Medium
|
|
|
| Number of Equivalent Domino Pairs |
Easy
|
amazon
|
|
| Number of Great Partitions |
Hard
|
|
|
| Number of Laser Beams in a Bank |
Medium
|
|
|
| Number of Lines To Write String |
Easy
|
google
|
|
| Number of Matching Subsequences |
Medium
|
amazon
facebook
google
|
|
| Number of Nodes With Value One |
Medium
|
|
|
| Number of Possible Sets of Closing Branches |
Hard
|
|
|
| Number of Recent Calls |
Easy
|
bloomberg
google
yandex
|
|
| Number Of Rectangles That Can Form The Largest Square |
Easy
|
|
|
| Number of Same-End Substrings |
Medium
|
|
|
| Number of Ships in a Rectangle |
Hard
|
bloomberg
|
|
| Number of Single Divisor Triplets |
Medium
|
|
|
| Number of Smooth Descent Periods of a Stock |
Medium
|
|
|
| Number of Strings That Appear as Substrings in Word |
Easy
|
|
|
| Number of Students Unable to Eat Lunch |
Easy
|
|
|
| Number of Subarrays That Match a Pattern II |
Hard
|
|
|
| Number of Substrings With Fixed Ratio |
Medium
|
|
|
| Number of Substrings With Only 1s |
Medium
|
google
|
|
| Number of Times a Driver Was a Passenger |
Medium
|
|
|
| Number of Transactions per Visit |
Hard
|
machine-zone
machinezone
|
|
| Number of Unequal Triplets in Array |
Easy
|
|
|
| Number of Unique Categories |
Medium
|
|
|
| Number of Unique Flavors After Sharing K Candies |
Medium
|
|
|
| Number of Valid Subarrays |
Hard
|
hulu
|
|
| Number of Valid Words in a Sentence |
Easy
|
|
|
| Number of Visible People in a Queue |
Hard
|
|
|
| Number of Ways to Buy Pens and Pencils |
Medium
|
|
|
| Number of Ways to Earn Points |
Hard
|
|
|
| Number of Ways to Reach Destination in the Grid |
Hard
|
|
|
| Number Of Ways To Reconstruct A Tree |
Hard
|
|
|
| Number of Ways to Select Buildings |
Medium
|
|
|
| Number of Ways to Split a String |
Medium
|
|
|
| Number of Ways Where Square of Number Is Equal to Product of Two Numbers |
Medium
|
|
|
| Occurrences After Bigram |
Easy
|
google
|
|
| Odd and Even Transactions |
Medium
|
|
|
| Online Election |
Medium
|
apple
google
|
|
| Optimal Division |
Medium
|
amazon
|
|
| Orders With Maximum Quantity Above Average |
Medium
|
|
|
| Output Contest Matches |
Medium
|
google
|
|
| Page Recommendations |
Medium
|
facebook
|
|
| Parallel Courses |
Medium
|
google
microsoft
uber
|
|
| Parallel Execution of Promises for Individual Results Retrieval |
Medium
|
|
|
| Parse Lisp Expression |
Hard
|
affirm
google
|
|
| Partition Array Into Two Arrays to Minimize Sum Difference |
Hard
|
|
|
| Pass the Pillow |
Easy
|
|
|
| Path With Maximum Minimum Value |
Medium
|
amazon
google
|
|
| Paths in Matrix Whose Sum Is Divisible by K |
Hard
|
|
|
| Percentage of Users Attended a Contest |
Easy
|
|
|
| Perform String Shifts |
Easy
|
goldman-sachs
|
|