Practice problems across 75+ categories
Practice problems frequently asked at Google • 3407 problems | 851 Easy | 1775 Medium | 761 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1051 | Find Subtree Sizes After Changes | Medium | ArrayHash TableString |
| 1052 | Find Sum of Array Product of Magical Sequences | Hard | ArrayMathDynamic Programming |
| 1053 | Find Target Indices After Sorting Array | Easy | ArrayBinary SearchSorting |
| 1054 | Find the Array Concatenation Value | Easy | ArrayTwo PointersSimulation |
| 1055 | Find the Celebrity | Medium | Two PointersGraphInteractive |
| 1056 | Find the Child Who Has the Ball After K Seconds | Easy | MathSimulation |
| 1057 | Find the City With the Smallest Number of Neighbors at a Threshold Distance | Medium | Dynamic ProgrammingGraphShortest Path |
| 1058 | Find the Closest Marked Node | Medium | ArrayGraphHeap (Priority Queue) |
| 1059 | Find the Closest Palindrome | Hard | MathString |
| 1060 | Find the Count of Good Integers | Hard | Hash TableMathCombinatorics |
| 1061 | Find the Count of Monotonic Pairs I | Hard | ArrayMathDynamic Programming |
| 1062 | Find the Count of Monotonic Pairs II | Hard | ArrayMathDynamic Programming |
| 1063 | Find the Count of Numbers Which Are Not Special | Medium | ArrayMathNumber Theory |
| 1064 | Find the Derangement of An Array | Medium | MathDynamic ProgrammingCombinatorics |
| 1065 | Find the Difference | Easy | Hash TableStringBit Manipulation |
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