Practice problems across 75+ categories
Practice problems frequently asked at Math • 596 problems | 150 Easy | 283 Medium | 161 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 151 | Digit Count in Range | Hard | MathDynamic Programming |
| 152 | Digit Operations to Make Two Integers Equal | Medium | MathGraphHeap (Priority Queue) |
| 153 | Distinct Prime Factors of Product of Array | Medium | ArrayHash TableMath |
| 154 | Distribute Candies Among Children I | Easy | MathCombinatoricsEnumeration |
| 155 | Distribute Candies Among Children II | Medium | MathCombinatoricsEnumeration |
| 156 | Distribute Candies Among Children III | Hard | MathCombinatorics |
| 157 | Distribute Candies to People | Easy | MathSimulation |
| 158 | Distribute Money to Maximum Children | Easy | MathGreedy |
| 159 | Divide Two Integers | Medium | MathBit Manipulation |
| 160 | Divisible and Non-divisible Sums Difference | Easy | Math |
| 161 | Divisor Game | Easy | MathDynamic ProgrammingBrainteaser |
| 162 | Double a Number Represented as a Linked List | Medium | Linked ListMathStack |
| 163 | Double Modular Exponentiation | Medium | ArrayMathSimulation |
| 164 | Egg Drop With 2 Eggs and N Floors | Medium | MathDynamic Programming |
| 165 | Elimination Game | Medium | MathRecursion |
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