Math

No.	Title	Solution	Difficulty	TimeComplexity	SpaceComplexity	Favorite	Acceptance
0002	Add Two Numbers		Medium	O(n)	O(1)		35.2%
0007	Reverse Integer		Easy				25.9%
0009	Palindrome Number		Easy				49.5%
0013	Roman to Integer		Easy				56.4%
0029	Divide Two Integers		Medium				16.6%
0050	Pow(x, n)		Medium	O(log n)	O(1)		30.8%
0060	Permutation Sequence		Hard	O(n log n)	O(1)		39.2%
0067	Add Binary		Easy				46.7%
0069	Sqrt(x)		Easy	O(log n)	O(1)		34.9%
0168	Excel Sheet Column Title		Easy				31.6%
0171	Excel Sheet Column Number		Easy				56.8%
0172	Factorial Trailing Zeroes		Easy				38.4%
0202	Happy Number		Easy	O(log n)	O(1)		51.1%
0204	Count Primes		Easy				32.1%
0223	Rectangle Area		Medium
0224	Basic Calculator		Hard	O(n)	O(n)		38.0%
0231	Power of Two		Easy	O(1)	O(1)		43.8%
0258	Add Digits		Easy				58.4%
0263	Ugly Number		Easy	O(log n)	O(1)		41.7%
0268	Missing Number		Easy				53.5%
0326	Power of Three		Easy	O(1)	O(1)		42.1%
0343	Integer Break		Medium	O(n^2)	O(n)		51.1%
0357	Count Numbers with Unique Digits		Medium	O(1)	O(1)		48.8%
0367	Valid Perfect Square		Easy				42.0%
0372	Super Pow		Medium				36.6%
0397	Integer Replacement		Medium				33.4%
0441	Arranging Coins		Easy				42.3%
0447	Number of Boomerangs		Medium				52.4%
0453	Minimum Moves to Equal Array Elements		Easy				50.7%
0483	Smallest Good Base		Hard				36.2%
0507	Perfect Number		Easy				36.0%
0537	Complex Number Multiplication		Medium				68.3%
0598	Range Addition II		Easy				50.0%
0628	Maximum Product of Three Numbers		Easy	O(n)	O(1)		47.0%
0633	Sum of Square Numbers		Medium				32.5%
0645	Set Mismatch		Easy				42.5%
0753	Cracking the Safe		Hard				52.1%
0781	Rabbits in Forest		Medium				55.4%
0812	Largest Triangle Area		Easy				58.9%
0836	Rectangle Overlap		Easy				45.0%
0878	Nth Magical Number		Hard				28.9%
0885	Spiral Matrix III		Medium	O(n^2)	O(1)		70.6%
0887	Super Egg Drop		Hard				27.0%
0891	Sum of Subsequence Widths		Hard	O(n log n)	O(1)		32.9%
0892	Surface Area of 3D Shapes		Easy				59.6%
0910	Smallest Range II		Medium				31.2%
0914	X of a Kind in a Deck of Cards		Easy				34.3%
0927	Three Equal Parts		Hard				34.5%
0942	DI String Match		Easy	O(n)	O(1)		73.4%
0949	Largest Time for Given Digits		Medium				36.2%
0952	Largest Component Size by Common Factor		Hard				36.1%
0970	Powerful Integers		Easy				39.9%
0976	Largest Perimeter Triangle		Easy	O(n log n)	O(log n)		58.5%
0996	Number of Squareful Arrays		Hard	O(n log n)	O(n)		48.0%
1017	Convert to Base -2		Medium				59.6%
1025	Divisor Game		Easy	O(1)	O(1)		66.2%
1037	Valid Boomerang		Easy				37.9%
1073	Adding Two Negabinary Numbers		Medium				34.8%
1093	Statistics from a Large Sample		Medium				49.4%
1154	Day of the Year		Easy				49.3%
1175	Prime Arrangements		Easy				51.9%
1201	Ugly Number III		Medium				26.4%
1217	Minimum Cost to Move Chips to The Same Position		Easy				71.2%
1232	Check If It Is a Straight Line		Easy				43.8%
1281	Subtract the Product and Sum of Digits of an Integer		Easy				85.6%
1317	Convert Integer to the Sum of Two No-Zero Integers		Easy				56.8%
1512	Number of Good Pairs		Easy				87.8%
1641	Count Sorted Vowel Strings		Medium				77.3%
1648	Sell Diminishing-Valued Colored Balls		Medium				30.9%
1680	Concatenation of Consecutive Binary Numbers		Medium				45.1%
1685	Sum of Absolute Differences in a Sorted Array		Medium				61.7%
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