Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 3346 | Sum of Matrix After Queries | Medium | ArrayHash Table |
| 3347 | Sum of Mutated Array Closest to Target | Medium | ArrayBinary SearchSorting |
| 3348 | Sum of Nodes with Even-Valued Grandparent | Medium | TreeDepth-First SearchBreadth-First Search |
| 3349 | Sum of Number and Its Reverse | Medium | MathEnumeration |
| 3350 | Sum of Numbers With Units Digit K | Medium | MathDynamic ProgrammingGreedy |
| 3351 | Sum of Prefix Scores of Strings | Hard | ArrayStringTrie |
| 3352 | Sum of Remoteness of All Cells | Medium | ArrayHash TableDepth-First Search |
| 3353 | Sum of Root To Leaf Binary Numbers | Easy | TreeDepth-First SearchBinary Tree |
| 3354 | Sum of Scores of Built Strings | Hard | StringBinary SearchRolling Hash |
| 3355 | Sum Of Special Evenly-Spaced Elements In Array | Hard | ArrayDynamic Programming |
| 3356 | Sum of Square Numbers | Medium | MathTwo PointersBinary Search |
| 3357 | Sum of Squares of Special Elements | Easy | ArrayEnumeration |
| 3358 | Sum of Subarray Minimums | Medium | ArrayDynamic ProgrammingStack |
| 3359 | Sum of Subarray Ranges | Medium | ArrayStackMonotonic Stack |
| 3360 | Sum of Subsequence Widths | Hard | ArrayMathSorting |
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