Practice problems across 75+ categories
Practice problems frequently asked at Microsoft • 3344 problems | 831 Easy | 1747 Medium | 746 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 3091 | Sum of K Subarrays With Length at Least M | Medium | ArrayDynamic ProgrammingPrefix Sum |
| 3092 | Sum of Largest Prime Substrings | Medium | Hash TableMathString |
| 3093 | Sum of Left Leaves | Easy | TreeDepth-First SearchBreadth-First Search |
| 3094 | Sum of Matrix After Queries | Medium | ArrayHash Table |
| 3095 | Sum of Mutated Array Closest to Target | Medium | ArrayBinary SearchSorting |
| 3096 | Sum of Nodes with Even-Valued Grandparent | Medium | TreeDepth-First SearchBreadth-First Search |
| 3097 | Sum of Number and Its Reverse | Medium | MathEnumeration |
| 3098 | Sum of Numbers With Units Digit K | Medium | MathDynamic ProgrammingGreedy |
| 3099 | Sum of Prefix Scores of Strings | Hard | ArrayStringTrie |
| 3100 | Sum of Remoteness of All Cells | Medium | ArrayHash TableDepth-First Search |
| 3101 | Sum of Root To Leaf Binary Numbers | Easy | TreeDepth-First SearchBinary Tree |
| 3102 | Sum of Scores of Built Strings | Hard | StringBinary SearchRolling Hash |
| 3103 | Sum Of Special Evenly-Spaced Elements In Array | Hard | ArrayDynamic Programming |
| 3104 | Sum of Square Numbers | Medium | MathTwo PointersBinary Search |
| 3105 | Sum of Squares of Special Elements | Easy | ArrayEnumeration |
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