Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 181 | Best Time to Buy and Sell Stock with Cooldown | Medium | ArrayDynamic Programming |
| 182 | Best Time to Buy and Sell Stock with Transaction Fee | Medium | ArrayDynamic ProgrammingGreedy |
| 183 | Better Compression of String | Medium | Hash TableStringSorting |
| 184 | Big Countries | Easy | Database |
| 185 | Biggest Single Number | Easy | Database |
| 186 | Biggest Window Between Visits | Medium | Database |
| 187 | Bikes Last Time Used | Easy | Database |
| 188 | Binary Gap | Easy | Bit Manipulation |
| 189 | Binary Number with Alternating Bits | Easy | Bit Manipulation |
| 190 | Binary Prefix Divisible By 5 | Easy | ArrayBit Manipulation |
| 191 | Binary Search | Easy | ArrayBinary Search |
| 192 | Binary Search Tree Iterator | Medium | StackTreeDesign |
| 193 | Binary Search Tree Iterator II | Medium | StackTreeDesign |
| 194 | Binary Search Tree to Greater Sum Tree | Medium | TreeDepth-First SearchBinary Search Tree |
| 195 | Binary Searchable Numbers in an Unsorted Array | Medium | ArrayBinary Search |
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