Math

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# Title Acceptance Difficulty
672 Bulb Switcher II 46.3% Medium
670 Maximum Swap 38.1% Medium
660 Remove 9 46.2% Hard
651 4 Keys Keyboard 47.3% Medium
645 Set Mismatch 40.4% Easy
640 Solve the Equation 38.8% Medium
634 Find the Derangement of An Array 33.3% Medium
633 Sum of Square Numbers 32.1% Easy
628 Maximum Product of Three Numbers 45.3% Easy
625 Minimum Factorization 30.4% Medium
598 Range Addition II 48.3% Easy
593 Valid Square 39.8% Medium
592 Fraction Addition and Subtraction 46.5% Medium
573 Squirrel Simulation 51.8% Medium
553 Optimal Division 55.2% Medium
537 Complex Number Multiplication 63.9% Medium
535 Encode and Decode TinyURL 74.2% Medium
523 Continuous Subarray Sum 22.9% Medium
517 Super Washing Machines 36.8% Hard
507 Perfect Number 33.7% Easy
483 Smallest Good Base 33.3% Hard
469 Convex Polygon 32.7% Medium
462 Minimum Moves to Equal Array Elements II 51.6% Medium
453 Minimum Moves to Equal Array Elements 47.5% Easy
441 Arranging Coins 36.3% Easy
423 Reconstruct Original Digits from English 44.3% Medium
415 Add Strings 41.6% Easy
413 Arithmetic Slices 54.7% Medium
400 Nth Digit 30.1% Easy
397 Integer Replacement 30.2% Medium
396 Rotate Function 33.1% Medium
372 Super Pow 34.5% Medium
368 Largest Divisible Subset 33.7% Medium
367 Valid Perfect Square 38.3% Easy
365 Water and Jug Problem 27.6% Medium
360 Sort Transformed Array 44.2% Medium
357 Count Numbers with Unique Digits 46.1% Medium
356 Line Reflection 30.1% Medium
343 Integer Break 46.1% Medium
335 Self Crossing 25.5% Hard
326 Power of Three 40.3% Easy
319 Bulb Switcher 42.6% Medium
313 Super Ugly Number 37.8% Medium
296 Best Meeting Point 51.9% Hard
279 Perfect Squares 37.1% Medium
273 Integer to English Words 22.2% Hard
268 Missing Number 44.3% Easy
264 Ugly Number II 32.7% Medium
263 Ugly Number 39.3% Easy
258 Add Digits 51.3% Easy
248 Strobogrammatic Number III 32.1% Hard
247 Strobogrammatic Number II 40.1% Medium
246 Strobogrammatic Number 40.0% Easy
233 Number of Digit One 28.5% Hard
231 Power of Two 40.2% Easy
224 Basic Calculator 27.4% Hard
223 Rectangle Area 33.1% Medium
204 Count Primes 26.6% Easy
202 Happy Number 40.8% Easy
172 Factorial Trailing Zeroes 36.2% Easy
171 Excel Sheet Column Number 47.4% Easy
168 Excel Sheet Column Title 26.3% Easy
166 Fraction to Recurring Decimal 17.6% Medium
149 Max Points on a Line 15.3% Hard
69 Sqrt(x) 27.9% Easy
67 Add Binary 32.7% Easy
66 Plus One 38.8% Easy
65 Valid Number 12.8% Hard
60 Permutation Sequence 28.7% Medium
50 Pow(x, n) 26.2% Medium
43 Multiply Strings 27.3% Medium
29 Divide Two Integers 15.9% Medium
13 Roman to Integer 46.1% Easy
12 Integer to Roman 45.1% Medium
9 Palindrome Number 35.4% Easy
8 String to Integer (atoi) 14.0% Medium
7 Reverse Integer 24.4% Easy
2 Add Two Numbers 27.9% Medium