Math

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# Title Acceptance Difficulty
728 Self Dividing Numbers 70.6% Easy
672 Bulb Switcher II 47.9% Medium
670 Maximum Swap 38.3% Medium
660 Remove 9 47.6% Hard
651 4 Keys Keyboard 48.8% Medium
645 Set Mismatch 40.0% Easy
640 Solve the Equation 38.9% Medium
634 Find the Derangement of An Array 34.5% Medium
633 Sum of Square Numbers 32.3% Easy
628 Maximum Product of Three Numbers 45.0% Easy
625 Minimum Factorization 30.8% Medium
598 Range Addition II 48.2% Easy
593 Valid Square 40.2% Medium
592 Fraction Addition and Subtraction 46.0% Medium
573 Squirrel Simulation 52.0% Medium
553 Optimal Division 55.2% Medium
537 Complex Number Multiplication 64.0% Medium
535 Encode and Decode TinyURL 74.2% Medium
523 Continuous Subarray Sum 23.2% Medium
517 Super Washing Machines 36.5% Hard
507 Perfect Number 33.5% Easy
483 Smallest Good Base 33.4% Hard
469 Convex Polygon 33.4% Medium
462 Minimum Moves to Equal Array Elements II 51.9% Medium
453 Minimum Moves to Equal Array Elements 47.7% Easy
441 Arranging Coins 36.3% Easy
423 Reconstruct Original Digits from English 44.5% Medium
415 Add Strings 41.5% Easy
413 Arithmetic Slices 54.6% Medium
400 Nth Digit 30.1% Easy
397 Integer Replacement 30.2% Medium
396 Rotate Function 33.4% Medium
372 Super Pow 34.5% Medium
368 Largest Divisible Subset 33.7% Medium
367 Valid Perfect Square 38.5% Easy
365 Water and Jug Problem 27.7% Medium
360 Sort Transformed Array 44.4% Medium
357 Count Numbers with Unique Digits 46.1% Medium
356 Line Reflection 30.1% Medium
343 Integer Break 46.2% Medium
335 Self Crossing 25.7% Hard
326 Power of Three 40.4% Easy
319 Bulb Switcher 42.7% Medium
313 Super Ugly Number 38.0% Medium
296 Best Meeting Point 52.0% Hard
279 Perfect Squares 37.5% Medium
273 Integer to English Words 22.4% Hard
268 Missing Number 44.3% Easy
264 Ugly Number II 33.0% Medium
263 Ugly Number 39.4% Easy
258 Add Digits 51.5% Easy
248 Strobogrammatic Number III 32.3% Hard
247 Strobogrammatic Number II 40.5% Medium
246 Strobogrammatic Number 40.0% Easy
233 Number of Digit One 28.7% Hard
231 Power of Two 40.4% Easy
224 Basic Calculator 27.8% Hard
223 Rectangle Area 33.3% Medium
204 Count Primes 26.6% Easy
202 Happy Number 41.1% Easy
172 Factorial Trailing Zeroes 36.5% Easy
171 Excel Sheet Column Number 47.7% Easy
168 Excel Sheet Column Title 26.7% Easy
166 Fraction to Recurring Decimal 17.8% Medium
149 Max Points on a Line 15.2% Hard
69 Sqrt(x) 28.2% Easy
67 Add Binary 33.2% Easy
66 Plus One 39.1% Easy
65 Valid Number 12.8% Hard
60 Permutation Sequence 29.0% Medium
50 Pow(x, n) 26.0% Medium
43 Multiply Strings 27.6% Medium
29 Divide Two Integers 15.9% Medium
13 Roman to Integer 46.8% Easy
12 Integer to Roman 45.5% Medium
9 Palindrome Number 35.6% Easy
8 String to Integer (atoi) 13.9% Medium
7 Reverse Integer 24.4% Easy
2 Add Two Numbers 28.1% Medium