2.12 Math

Math #

No.TitleSolutionDifficultyTimeComplexitySpaceComplexityFavoriteAcceptance
0002Add Two NumbersGoMediumO(n)O(1)38.7%
0007Reverse IntegerGoMedium26.7%
0009Palindrome NumberGoEasy52.4%
0012Integer to RomanGoMedium59.5%
0013Roman to IntegerGoEasy57.9%
0029Divide Two IntegersGoMedium17.0%
0043Multiply StringsGoMedium37.8%
0048Rotate ImageGoMedium66.8%
0050Pow(x, n)GoMediumO(log n)O(1)32.4%
0060Permutation SequenceGoHardO(n log n)O(1)42.2%
0062Unique PathsGoMedium60.1%
0066Plus OneGoEasy42.9%
0067Add BinaryGoEasy50.5%
0069Sqrt(x)GoEasyO(log n)O(1)36.5%
0070Climbing StairsGoEasy51.1%
0089Gray CodeGoMedium55.4%
0096Unique Binary Search TreesGoMedium58.4%
0150Evaluate Reverse Polish NotationGoMedium42.7%
0168Excel Sheet Column TitleGoEasy34.0%
0171Excel Sheet Column NumberGoEasy60.7%
0172Factorial Trailing ZeroesGoMedium40.8%
0189Rotate ArrayGoMedium38.6%
0202Happy NumberGoEasyO(log n)O(1)53.3%
0204Count PrimesGoMedium33.0%
0223Rectangle AreaGoMedium40.2%
0224Basic CalculatorGoHardO(n)O(n)40.6%
0227Basic Calculator IIGoMedium41.6%
0231Power of TwoGoEasyO(1)O(1)45.0%
0258Add DigitsGoEasy62.5%
0263Ugly NumberGoEasyO(log n)O(1)41.8%
0264Ugly Number IIGoMedium45.3%
0268Missing NumberGoEasy59.5%
0279Perfect SquaresGoMedium51.9%
0319Bulb SwitcherGoMedium47.3%
0326Power of ThreeGoEasyO(1)O(1)43.5%
0342Power of FourGoEasy44.1%
0343Integer BreakGoMediumO(n^2)O(n)54.2%
0357Count Numbers with Unique DigitsGoMediumO(1)O(1)50.7%
0367Valid Perfect SquareGoEasy43.0%
0368Largest Divisible SubsetGoMedium40.6%
0371Sum of Two IntegersGoMedium50.6%
0372Super PowGoMedium37.6%
0382Linked List Random NodeGoMedium59.0%
0384Shuffle an ArrayGoMedium57.1%
0390Elimination GameGoMedium46.4%
0400Nth DigitGoMedium33.5%
0405Convert a Number to HexadecimalGoEasy45.8%
0412Fizz BuzzGoEasy66.8%
0423Reconstruct Original Digits from EnglishGoMedium51.2%
0441Arranging CoinsGoEasy45.4%
0445Add Two Numbers IIGoMedium58.7%
0447Number of BoomerangsGoMedium54.3%
0453Minimum Moves to Equal Array ElementsGoMedium54.2%
0458Poor PigsGoHard55.6%
0462Minimum Moves to Equal Array Elements IIGoMedium57.1%
0470Implement Rand10() Using Rand7()GoMedium46.7%
0477Total Hamming DistanceGoMedium52.0%
0478Generate Random Point in a CircleGoMedium39.4%
0483Smallest Good BaseGoHard37.9%
0492Construct the RectangleGoEasy52.7%
0497Random Point in Non-overlapping RectanglesGoMedium39.2%
0504Base 7GoEasy47.5%
0507Perfect NumberGoEasy37.6%
0509Fibonacci NumberGoEasy68.2%
0519Random Flip MatrixGoMedium39.2%
0523Continuous Subarray SumGoMedium27.3%
0528Random Pick with WeightGoMedium46.1%
0537Complex Number MultiplicationGoMedium71.1%
0598Range Addition IIGoEasy54.7%
0628Maximum Product of Three NumbersGoEasyO(n)O(1)46.7%
0633Sum of Square NumbersGoMedium34.7%
0667Beautiful Arrangement IIGoMedium59.4%
0668Kth Smallest Number in Multiplication TableGoHard51.2%
0710Random Pick with BlacklistGoHard33.3%
0728Self Dividing NumbersGoEasy77.0%
0762Prime Number of Set Bits in Binary RepresentationGoEasy66.8%
0775Global and Local InversionsGoMedium45.1%
0781Rabbits in ForestGoMedium55.7%
0793Preimage Size of Factorial Zeroes FunctionGoHard41.8%
0810Chalkboard XOR GameGoHard53.5%
0812Largest Triangle AreaGoEasy59.7%
0836Rectangle OverlapGoEasy43.2%
0869Reordered Power of 2GoMedium61.3%
0877Stone GameGoMedium69.2%
0878Nth Magical NumberGoHard35.8%
0887Super Egg DropGoHard27.2%
0891Sum of Subsequence WidthsGoHardO(n log n)O(1)35.7%
0892Surface Area of 3D ShapesGoEasy61.9%
0910Smallest Range IIGoMedium32.9%
0914X of a Kind in a Deck of CardsGoEasy32.9%
0920Number of Music PlaylistsGoHard50.0%
0927Three Equal PartsGoHard39.4%
0942DI String MatchGoEasyO(n)O(1)75.9%
0952Largest Component Size by Common FactorGoHard40.3%
0970Powerful IntegersGoMedium43.6%
0973K Closest Points to OriginGoMedium66.0%
0976Largest Perimeter TriangleGoEasyO(n log n)O(log n)55.2%
0989Add to Array-Form of IntegerGoEasy45.5%
0991Broken CalculatorGoMedium54.1%
0996Number of Squareful ArraysGoHardO(n log n)O(n)49.1%
1006Clumsy FactorialGoMedium54.7%
1017Convert to Base -2GoMedium60.3%
1025Divisor GameGoEasyO(1)O(1)66.6%
1030Matrix Cells in Distance OrderGoEasy69.1%
1037Valid BoomerangGoEasy37.5%
1040Moving Stones Until Consecutive IIGoMedium55.6%
1073Adding Two Negabinary NumbersGoMedium35.9%
1093Statistics from a Large SampleGoMedium45.6%
1104Path In Zigzag Labelled Binary TreeGoMedium74.6%
1137N-th Tribonacci NumberGoEasy63.0%
1154Day of the YearGoEasy50.8%
1175Prime ArrangementsGoEasy52.9%
1185Day of the WeekGoEasy58.4%
1201Ugly Number IIIGoMedium28.2%
1217Minimum Cost to Move Chips to The Same PositionGoEasy72.6%
1232Check If It Is a Straight LineGoEasy41.8%
1252Cells with Odd Values in a MatrixGoEasy78.5%
1266Minimum Time Visiting All PointsGoEasy79.1%
1281Subtract the Product and Sum of Digits of an IntegerGoEasy86.4%
1290Convert Binary Number in a Linked List to IntegerGoEasy82.6%
1304Find N Unique Integers Sum up to ZeroGoEasy77.0%
1317Convert Integer to the Sum of Two No-Zero IntegersGoEasy56.9%
1442Count Triplets That Can Form Two Arrays of Equal XORGoMedium74.8%
1486XOR Operation in an ArrayGoEasy84.2%
1512Number of Good PairsGoEasy88.0%
1518Water BottlesGoEasy60.4%
1551Minimum Operations to Make Array EqualGoMedium80.9%
1573Number of Ways to Split a StringGoMedium32.1%
1648Sell Diminishing-Valued Colored BallsGoMedium30.9%
1680Concatenation of Consecutive Binary NumbersGoMedium52.6%
1685Sum of Absolute Differences in a Sorted ArrayGoMedium65.7%
1688Count of Matches in TournamentGoEasy82.8%
1690Stone Game VIIGoMedium58.7%
1716Calculate Money in Leetcode BankGoEasy65.0%
1742Maximum Number of Balls in a BoxGoEasy73.8%
2038Remove Colored Pieces if Both Neighbors are the Same ColorGoMedium56.5%
2165Smallest Value of the Rearranged NumberGoMedium50.7%
2169Count Operations to Obtain ZeroGoEasy75.2%
2180Count Integers With Even Digit SumGoEasy64.3%
2183Count Array Pairs Divisible by KGoHard26.9%
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