Practice problems across 75+ categories
Practice problems frequently asked at Microsoft • 3344 problems | 831 Easy | 1747 Medium | 746 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1156 | Find Valid Emails | Easy | Database |
| 1157 | Find Valid Matrix Given Row and Column Sums | Medium | ArrayGreedyMatrix |
| 1158 | Find Valid Pair of Adjacent Digits in String | Easy | Hash TableStringCounting |
| 1159 | Find Weighted Median Node in Tree | Hard | ArrayBinary SearchDynamic Programming |
| 1160 | Find Winner on a Tic Tac Toe Game | Easy | ArrayHash TableMatrix |
| 1161 | Find Words Containing Character | Easy | ArrayString |
| 1162 | Find Words That Can Be Formed by Characters | Easy | ArrayHash TableString |
| 1163 | Find X-Sum of All K-Long Subarrays I | Easy | ArrayHash TableSliding Window |
| 1164 | Find X-Sum of All K-Long Subarrays II | Hard | ArrayHash TableSliding Window |
| 1165 | Find X Value of Array I | Medium | ArrayMathDynamic Programming |
| 1166 | Find X Value of Array II | Hard | ArrayMathSegment Tree |
| 1167 | Find Xor-Beauty of Array | Medium | ArrayMathBit Manipulation |
| 1168 | Find XOR Sum of All Pairs Bitwise AND | Hard | ArrayMathBit Manipulation |
| 1169 | Finding 3-Digit Even Numbers | Easy | ArrayHash TableRecursion |
| 1170 | Finding Pairs With a Certain Sum | Medium | ArrayHash TableDesign |
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