2.12 Math

Math #

No.TitleSolutionDifficultyTimeComplexitySpaceComplexityFavoriteAcceptance
0002Add Two NumbersGoMediumO(n)O(1)39.4%
0007Reverse IntegerGoMedium27.0%
0009Palindrome NumberGoEasy52.7%
0012Integer to RomanGoMedium60.2%
0013Roman to IntegerGoEasy58.3%
0029Divide Two IntegersGoMedium17.4%
0043Multiply StringsGoMedium38.5%
0048Rotate ImageGoMedium68.4%
0050Pow(x, n)GoMediumO(log n)O(1)32.7%
0060Permutation SequenceGoHardO(n log n)O(1)43.3%
0062Unique PathsGoMedium61.8%
0066Plus OneGoEasy43.2%
0067Add BinaryGoEasy51.0%
0069Sqrt(x)GoEasyO(log n)O(1)36.9%
0070Climbing StairsGoEasy51.6%
0089Gray CodeGoMedium56.1%
0096Unique Binary Search TreesGoMedium59.0%
0150Evaluate Reverse Polish NotationGoMedium43.9%
0168Excel Sheet Column TitleGoEasy34.5%
0171Excel Sheet Column NumberGoEasy61.1%
0172Factorial Trailing ZeroesGoMedium41.4%
0189Rotate ArrayGoMedium39.0%
0202Happy NumberGoEasyO(log n)O(1)54.0%
0204Count PrimesGoMedium33.1%
0223Rectangle AreaGoMedium40.6%
0224Basic CalculatorGoHardO(n)O(n)40.9%
0227Basic Calculator IIGoMedium42.0%
0231Power of TwoGoEasyO(1)O(1)45.4%
0258Add DigitsGoEasy63.1%
0263Ugly NumberGoEasyO(log n)O(1)41.8%
0264Ugly Number IIGoMedium45.9%
0268Missing NumberGoEasy61.1%
0279Perfect SquaresGoMedium52.2%
0319Bulb SwitcherGoMedium47.8%
0326Power of ThreeGoEasyO(1)O(1)45.0%
0342Power of FourGoEasy45.4%
0343Integer BreakGoMediumO(n^2)O(n)55.0%
0357Count Numbers with Unique DigitsGoMediumO(1)O(1)51.3%
0367Valid Perfect SquareGoEasy43.2%
0368Largest Divisible SubsetGoMedium41.1%
0371Sum of Two IntegersGoMedium50.6%
0372Super PowGoMedium37.4%
0382Linked List Random NodeGoMedium59.3%
0384Shuffle an ArrayGoMedium57.5%
0390Elimination GameGoMedium46.5%
0396Rotate FunctionGoMedium40.1%
0400Nth DigitGoMedium33.9%
0405Convert a Number to HexadecimalGoEasy46.0%
0412Fizz BuzzGoEasy68.0%
0423Reconstruct Original Digits from EnglishGoMedium51.3%
0441Arranging CoinsGoEasy45.9%
0445Add Two Numbers IIGoMedium59.2%
0447Number of BoomerangsGoMedium54.5%
0453Minimum Moves to Equal Array ElementsGoMedium55.2%
0458Poor PigsGoHard66.1%
0462Minimum Moves to Equal Array Elements IIGoMedium60.1%
0470Implement Rand10() Using Rand7()GoMedium46.7%
0477Total Hamming DistanceGoMedium52.1%
0478Generate Random Point in a CircleGoMedium39.5%
0483Smallest Good BaseGoHard38.2%
0492Construct the RectangleGoEasy53.3%
0497Random Point in Non-overlapping RectanglesGoMedium39.2%
0504Base 7GoEasy47.8%
0507Perfect NumberGoEasy37.7%
0509Fibonacci NumberGoEasy69.1%
0519Random Flip MatrixGoMedium39.6%
0523Continuous Subarray SumGoMedium27.6%
0528Random Pick with WeightGoMedium46.2%
0537Complex Number MultiplicationGoMedium71.3%
0598Range Addition IIGoEasy54.9%
0628Maximum Product of Three NumbersGoEasyO(n)O(1)46.6%
0633Sum of Square NumbersGoMedium34.7%
0667Beautiful Arrangement IIGoMedium59.5%
0668Kth Smallest Number in Multiplication TableGoHard51.4%
0710Random Pick with BlacklistGoHard33.5%
0728Self Dividing NumbersGoEasy77.4%
0762Prime Number of Set Bits in Binary RepresentationGoEasy67.4%
0775Global and Local InversionsGoMedium44.2%
0781Rabbits in ForestGoMedium55.4%
0793Preimage Size of Factorial Zeroes FunctionGoHard42.4%
0810Chalkboard XOR GameGoHard54.7%
0812Largest Triangle AreaGoEasy59.7%
0836Rectangle OverlapGoEasy43.3%
0869Reordered Power of 2GoMedium64.3%
0877Stone GameGoMedium69.5%
0878Nth Magical NumberGoHard35.9%
0887Super Egg DropGoHard27.2%
0891Sum of Subsequence WidthsGoHardO(n log n)O(1)36.3%
0892Surface Area of 3D ShapesGoEasy62.7%
0910Smallest Range IIGoMedium33.9%
0914X of a Kind in a Deck of CardsGoEasy32.4%
0920Number of Music PlaylistsGoHard50.5%
0927Three Equal PartsGoHard39.5%
0952Largest Component Size by Common FactorGoHard40.3%
0970Powerful IntegersGoMedium43.6%
0973K Closest Points to OriginGoMedium65.9%
0976Largest Perimeter TriangleGoEasyO(n log n)O(log n)52.8%
0989Add to Array-Form of IntegerGoEasy45.5%
0991Broken CalculatorGoMedium54.1%
0996Number of Squareful ArraysGoHardO(n log n)O(n)49.1%
1006Clumsy FactorialGoMedium54.8%
1017Convert to Base -2GoMedium60.9%
1025Divisor GameGoEasyO(1)O(1)67.0%
1030Matrix Cells in Distance OrderGoEasy69.3%
1037Valid BoomerangGoEasy37.5%
1040Moving Stones Until Consecutive IIGoMedium55.6%
1073Adding Two Negabinary NumbersGoMedium36.2%
1093Statistics from a Large SampleGoMedium44.9%
1104Path In Zigzag Labelled Binary TreeGoMedium74.8%
1137N-th Tribonacci NumberGoEasy63.3%
1154Day of the YearGoEasy50.6%
1175Prime ArrangementsGoEasy53.3%
1185Day of the WeekGoEasy58.0%
1201Ugly Number IIIGoMedium28.6%
1217Minimum Cost to Move Chips to The Same PositionGoEasy72.3%
1232Check If It Is a Straight LineGoEasy41.4%
1252Cells with Odd Values in a MatrixGoEasy78.5%
1266Minimum Time Visiting All PointsGoEasy79.2%
1281Subtract the Product and Sum of Digits of an IntegerGoEasy86.6%
1290Convert Binary Number in a Linked List to IntegerGoEasy82.6%
1304Find N Unique Integers Sum up to ZeroGoEasy77.1%
1317Convert Integer to the Sum of Two No-Zero IntegersGoEasy56.5%
1442Count Triplets That Can Form Two Arrays of Equal XORGoMedium75.4%
1486XOR Operation in an ArrayGoEasy84.1%
1512Number of Good PairsGoEasy88.1%
1518Water BottlesGoEasy60.4%
1551Minimum Operations to Make Array EqualGoMedium81.0%
1573Number of Ways to Split a StringGoMedium32.4%
1648Sell Diminishing-Valued Colored BallsGoMedium30.7%
1680Concatenation of Consecutive Binary NumbersGoMedium52.5%
1685Sum of Absolute Differences in a Sorted ArrayGoMedium65.6%
1688Count of Matches in TournamentGoEasy83.0%
1690Stone Game VIIGoMedium58.8%
1716Calculate Money in Leetcode BankGoEasy64.9%
1742Maximum Number of Balls in a BoxGoEasy73.8%
2038Remove Colored Pieces if Both Neighbors are the Same ColorGoMedium57.7%
2165Smallest Value of the Rearranged NumberGoMedium51.0%
2169Count Operations to Obtain ZeroGoEasy75.6%
2180Count Integers With Even Digit SumGoEasy64.3%
2183Count Array Pairs Divisible by KGoHard27.8%
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