Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 166 | Fraction to Recurring Decimal | Medium | Hash TableMathString |
| 167 | Two Sum II - Input Array Is Sorted | Medium | ArrayTwo PointersBinary Search |
| 168 | Excel Sheet Column Title | Easy | MathString |
| 169 | Majority Element | Easy | ArrayHash TableDivide and Conquer |
| 170 | Two Sum III - Data structure design | Easy | ArrayHash TableTwo Pointers |
| 171 | Dungeon Game | Hard | ArrayDynamic ProgrammingMatrix |
| 171 | Excel Sheet Column Number | Easy | MathString |
| 172 | Factorial Trailing Zeroes | Medium | Math |
| 173 | Binary Search Tree Iterator | Medium | StackTreeDesign |
| 175 | Combine Two Tables | Easy | Database |
| 176 | Second Highest Salary | Medium | Database |
| 177 | Nth Highest Salary | Medium | Database |
| 178 | Rank Scores | Medium | Database |
| 179 | Largest Number | Medium | ArrayStringGreedy |
| 180 | Consecutive Numbers | Medium | Database |
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