Practice problems across 75+ categories
Practice problems frequently asked at Math • 596 problems | 150 Easy | 283 Medium | 161 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 151 | Determine the Minimum Sum of a k-avoiding Array | Medium | MathGreedy |
| 152 | Detonate the Maximum Bombs | Medium | ArrayMathDepth-First Search |
| 153 | Difference Between Element Sum and Digit Sum of an Array | Easy | ArrayMath |
| 154 | Different Ways to Add Parentheses | Medium | MathStringDynamic Programming |
| 155 | Diffie-Hellman Key Exchange | Hard | CryptographyMathModular Arithmetic |
| 156 | Digit Count in Range | Hard | MathDynamic Programming |
| 157 | Digit Operations to Make Two Integers Equal | Medium | MathGraphHeap (Priority Queue) |
| 158 | Distance Calculator | Easy | FunctionsFunctionsMath |
| 159 | Distinct Prime Factors of Product of Array | Medium | ArrayHash TableMath |
| 160 | Distribute Candies Among Children I | Easy | MathCombinatoricsEnumeration |
| 161 | Distribute Candies Among Children II | Medium | MathCombinatoricsEnumeration |
| 162 | Distribute Candies Among Children III | Hard | MathCombinatorics |
| 163 | Distribute Candies to People | Easy | MathSimulation |
| 164 | Distribute Money to Maximum Children | Easy | MathGreedy |
| 165 | Divide Two Integers | Medium | MathBit Manipulation |
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