Practice problems across 75+ categories
Practice problems frequently asked at Math • 596 problems | 150 Easy | 283 Medium | 161 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 271 | Kaprekar Number Checker | Easy | LoopsLoopMath |
| 272 | Kth Smallest Amount With Single Denomination Combination | Hard | ArrayMathBinary Search |
| 273 | Kth Smallest Instructions | Hard | ArrayMathDynamic Programming |
| 274 | Kth Smallest Number in Multiplication Table | Hard | MathBinary Search |
| 275 | Largest Component Size by Common Factor | Hard | ArrayHash TableMath |
| 276 | Largest Divisible Subset | Medium | ArrayMathDynamic Programming |
| 277 | Largest Multiple of Three | Hard | ArrayMathDynamic Programming |
| 278 | Largest Odd Number in String | Easy | MathStringGreedy |
| 279 | Largest Palindrome Product | Hard | MathEnumeration |
| 280 | Largest Perimeter Triangle | Easy | ArrayMathGreedy |
| 281 | Largest Triangle Area | Easy | ArrayMathGeometry |
| 282 | Least Operators to Express Number | Hard | MathDynamic ProgrammingMemoization |
| 283 | Line Reflection | Medium | ArrayHash TableMath |
| 284 | Line Segment Intersection | Hard | GeometryAlgorithmMath |
| 285 | Linked List Random Node | Medium | Linked ListMathReservoir Sampling |
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