Practice problems across 75+ categories
Practice problems frequently asked at Google • 3407 problems | 851 Easy | 1775 Medium | 761 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1426 | Largest 1-Bordered Square | Medium | ArrayDynamic ProgrammingMatrix |
| 1427 | Largest 3-Same-Digit Number in String | Easy | String |
| 1428 | Largest BST Subtree | Medium | Dynamic ProgrammingTreeDepth-First Search |
| 1429 | Largest Color Value in a Directed Graph | Hard | Hash TableDynamic ProgrammingGraph |
| 1430 | Largest Combination With Bitwise AND Greater Than Zero | Medium | ArrayHash TableBit Manipulation |
| 1431 | Largest Component Size by Common Factor | Hard | ArrayHash TableMath |
| 1432 | Largest Divisible Subset | Medium | ArrayMathDynamic Programming |
| 1433 | Largest Element in an Array after Merge Operations | Medium | ArrayGreedy |
| 1434 | Largest Local Values in a Matrix | Easy | ArrayMatrix |
| 1435 | Largest Magic Square | Medium | ArrayMatrixPrefix Sum |
| 1436 | Largest Merge Of Two Strings | Medium | Two PointersStringGreedy |
| 1437 | Largest Multiple of Three | Hard | ArrayMathDynamic Programming |
| 1438 | Largest Number | Medium | ArrayStringGreedy |
| 1439 | Largest Number After Digit Swaps by Parity | Easy | SortingHeap (Priority Queue) |
| 1440 | Largest Number After Mutating Substring | Medium | ArrayStringGreedy |
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