Practice problems across 75+ categories
Practice problems frequently asked at Math • 596 problems | 150 Easy | 283 Medium | 161 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 226 | Find X Value of Array I | Medium | ArrayMathDynamic Programming |
| 227 | Find X Value of Array II | Hard | ArrayMathSegment Tree |
| 228 | Find Xor-Beauty of Array | Medium | ArrayMathBit Manipulation |
| 229 | Find XOR Sum of All Pairs Bitwise AND | Hard | ArrayMathBit Manipulation |
| 230 | Fizz Buzz | Easy | MathStringSimulation |
| 231 | Flip Game II | Medium | MathDynamic ProgrammingBacktracking |
| 232 | Four Divisors | Medium | ArrayMath |
| 233 | Fraction Addition and Subtraction | Medium | MathStringSimulation |
| 234 | Fraction to Recurring Decimal | Medium | Hash TableMathString |
| 235 | Game of Nim | Medium | ArrayMathDynamic Programming |
| 236 | GCD Sort of an Array | Hard | ArrayMathUnion Find |
| 237 | Generate Random Point in a Circle | Medium | MathGeometryRejection Sampling |
| 238 | Get Biggest Three Rhombus Sums in a Grid | Medium | ArrayMathSorting |
| 239 | Global and Local Inversions | Medium | ArrayMath |
| 240 | Graph Connectivity With Threshold | Hard | ArrayMathUnion Find |
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