Practice problems across 75+ categories
Practice problems frequently asked at Array • 1947 problems | 398 Easy | 1049 Medium | 497 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1531 | Permutations IV | Hard | ArrayMathCombinatorics |
| 1532 | Phone Number Prefix | Easy | ArrayStringTrie |
| 1533 | Pizza With 3n Slices | Hard | ArrayDynamic ProgrammingGreedy |
| 1534 | Plates Between Candles | Medium | ArrayStringBinary Search |
| 1535 | Plus One | Easy | ArrayMath |
| 1536 | Points That Intersect With Cars | Easy | ArrayHash TablePrefix Sum |
| 1537 | Pour Water | Medium | ArraySimulation |
| 1538 | Pour Water Between Buckets to Make Water Levels Equal | Medium | ArrayBinary Search |
| 1539 | Power of Heroes | Hard | ArrayMathDynamic Programming |
| 1540 | Predict the Winner | Medium | ArrayMathDynamic Programming |
| 1541 | Prefix and Suffix Search | Hard | ArrayHash TableString |
| 1542 | Previous Permutation With One Swap | Medium | ArrayGreedy |
| 1543 | Prime In Diagonal | Easy | ArrayMathMatrix |
| 1544 | Prime Pairs With Target Sum | Medium | ArrayMathEnumeration |
| 1545 | Prime Subtraction Operation | Medium | ArrayMathBinary Search |
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