Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 2180 | Count Integers With Even Digit Sum | Easy | MathSimulation |
| 2181 | Merge Nodes in Between Zeros | Medium | Linked ListSimulation |
| 2181 | Number of Ways to Build Sturdy Brick Wall | Medium | ArrayDynamic ProgrammingBit Manipulation |
| 2182 | Construct String With Repeat Limit | Medium | Hash TableStringGreedy |
| 2183 | Count Array Pairs Divisible by K | Hard | ArrayMathNumber Theory |
| 2185 | Counting Words With a Given Prefix | Easy | ArrayStringString Matching |
| 2186 | Minimum Number of Steps to Make Two Strings Anagram II | Medium | Hash TableStringCounting |
| 2187 | Minimum Time to Complete Trips | Medium | ArrayBinary Search |
| 2188 | Minimum Time to Finish the Race | Hard | ArrayDynamic Programming |
| 2189 | Number of Ways to Build House of Cards | Medium | MathDynamic Programming |
| 2190 | Most Frequent Number Following Key In an Array | Easy | ArrayHash TableCounting |
| 2191 | Sort the Jumbled Numbers | Medium | ArraySorting |
| 2192 | All Ancestors of a Node in a Directed Acyclic Graph | Medium | Depth-First SearchBreadth-First SearchGraph |
| 2193 | Minimum Number of Moves to Make Palindrome | Hard | Two PointersStringGreedy |
| 2194 | Cells in a Range on an Excel Sheet | Easy | String |
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