2.12 Math

Math #

No.TitleSolutionDifficultyTimeComplexitySpaceComplexityFavoriteAcceptance
0002Add Two NumbersGoMediumO(n)O(1)40.4%
0007Reverse IntegerGoMedium27.5%
0009Palindrome NumberGoEasy53.5%
0012Integer to RomanGoMedium62.0%
0013Roman to IntegerGoEasy58.6%
0029Divide Two IntegersGoMedium17.2%
0043Multiply StringsGoMedium39.2%
0048Rotate ImageGoMedium71.0%
0050Pow(x, n)GoMediumO(log n)O(1)33.0%
0060Permutation SequenceGoHardO(n log n)O(1)44.4%
0062Unique PathsGoMedium62.7%
0066Plus OneGoEasy43.7%
0067Add BinaryGoEasy52.4%
0069Sqrt(x)GoEasyO(log n)O(1)37.4%
0070Climbing StairsGoEasy52.2%
0089Gray CodeGoMedium57.2%
0096Unique Binary Search TreesGoMedium59.7%
0150Evaluate Reverse Polish NotationGoMedium45.8%
0168Excel Sheet Column TitleGoEasy35.5%
0171Excel Sheet Column NumberGoEasy62.1%
0172Factorial Trailing ZeroesGoMedium42.2%
0189Rotate ArrayGoMedium39.4%
0202Happy NumberGoEasyO(log n)O(1)54.8%
0204Count PrimesGoMedium33.1%
0223Rectangle AreaGoMedium45.1%
0224Basic CalculatorGoHardO(n)O(n)42.4%
0227Basic Calculator IIGoMedium42.4%
0231Power of TwoGoEasyO(1)O(1)46.0%
0258Add DigitsGoEasy64.0%
0263Ugly NumberGoEasyO(log n)O(1)42.3%
0264Ugly Number IIGoMedium46.2%
0268Missing NumberGoEasy62.6%
0279Perfect SquaresGoMedium52.7%
0319Bulb SwitcherGoMedium48.3%
0326Power of ThreeGoEasyO(1)O(1)45.5%
0342Power of FourGoEasy46.2%
0343Integer BreakGoMediumO(n^2)O(n)56.1%
0357Count Numbers with Unique DigitsGoMediumO(1)O(1)51.9%
0367Valid Perfect SquareGoEasy43.3%
0368Largest Divisible SubsetGoMedium41.6%
0371Sum of Two IntegersGoMedium50.7%
0372Super PowGoMedium36.3%
0382Linked List Random NodeGoMedium62.8%
0384Shuffle an ArrayGoMedium57.8%
0390Elimination GameGoMedium46.1%
0396Rotate FunctionGoMedium41.1%
0400Nth DigitGoMedium34.1%
0405Convert a Number to HexadecimalGoEasy46.8%
0412Fizz BuzzGoEasy70.0%
0423Reconstruct Original Digits from EnglishGoMedium51.2%
0441Arranging CoinsGoEasy46.2%
0445Add Two Numbers IIGoMedium59.6%
0447Number of BoomerangsGoMedium54.9%
0453Minimum Moves to Equal Array ElementsGoMedium56.0%
0458Poor PigsGoHard62.8%
0462Minimum Moves to Equal Array Elements IIGoMedium60.0%
0470Implement Rand10() Using Rand7()GoMedium46.4%
0477Total Hamming DistanceGoMedium52.2%
0478Generate Random Point in a CircleGoMedium39.6%
0483Smallest Good BaseGoHard38.8%
0492Construct the RectangleGoEasy54.8%
0497Random Point in Non-overlapping RectanglesGoMedium39.4%
0504Base 7GoEasy48.5%
0507Perfect NumberGoEasy37.7%
0509Fibonacci NumberGoEasy69.8%
0519Random Flip MatrixGoMedium40.0%
0523Continuous Subarray SumGoMedium28.5%
0528Random Pick with WeightGoMedium46.1%
0537Complex Number MultiplicationGoMedium71.4%
0598Range Addition IIGoEasy55.3%
0628Maximum Product of Three NumbersGoEasyO(n)O(1)45.9%
0633Sum of Square NumbersGoMedium34.4%
0667Beautiful Arrangement IIGoMedium59.8%
0668Kth Smallest Number in Multiplication TableGoHard51.4%
0710Random Pick with BlacklistGoHard33.5%
0728Self Dividing NumbersGoEasy77.9%
0762Prime Number of Set Bits in Binary RepresentationGoEasy68.0%
0775Global and Local InversionsGoMedium43.3%
0781Rabbits in ForestGoMedium54.7%
0793Preimage Size of Factorial Zeroes FunctionGoHard43.2%
0810Chalkboard XOR GameGoHard55.8%
0812Largest Triangle AreaGoEasy59.9%
0836Rectangle OverlapGoEasy43.9%
0869Reordered Power of 2GoMedium63.5%
0877Stone GameGoMedium69.7%
0878Nth Magical NumberGoHard35.4%
0887Super Egg DropGoHard27.1%
0891Sum of Subsequence WidthsGoHardO(n log n)O(1)36.7%
0892Surface Area of 3D ShapesGoEasy64.0%
0910Smallest Range IIGoMedium35.2%
0914X of a Kind in a Deck of CardsGoEasy31.2%
0920Number of Music PlaylistsGoHard50.7%
0927Three Equal PartsGoHard39.6%
0952Largest Component Size by Common FactorGoHard40.0%
0970Powerful IntegersGoMedium43.6%
0973K Closest Points to OriginGoMedium65.7%
0976Largest Perimeter TriangleGoEasyO(n log n)O(log n)54.7%
0989Add to Array-Form of IntegerGoEasy47.1%
0991Broken CalculatorGoMedium54.1%
0996Number of Squareful ArraysGoHardO(n log n)O(n)49.2%
1006Clumsy FactorialGoMedium55.5%
1017Convert to Base -2GoMedium60.9%
1025Divisor GameGoEasyO(1)O(1)67.6%
1030Matrix Cells in Distance OrderGoEasy69.7%
1037Valid BoomerangGoEasy37.0%
1040Moving Stones Until Consecutive IIGoMedium55.9%
1073Adding Two Negabinary NumbersGoMedium36.5%
1093Statistics from a Large SampleGoMedium43.5%
1104Path In Zigzag Labelled Binary TreeGoMedium75.1%
1137N-th Tribonacci NumberGoEasy63.7%
1154Day of the YearGoEasy49.6%
1175Prime ArrangementsGoEasy54.7%
1185Day of the WeekGoEasy57.4%
1201Ugly Number IIIGoMedium28.9%
1217Minimum Cost to Move Chips to The Same PositionGoEasy71.9%
1232Check If It Is a Straight LineGoEasy40.3%
1252Cells with Odd Values in a MatrixGoEasy78.5%
1266Minimum Time Visiting All PointsGoEasy79.1%
1281Subtract the Product and Sum of Digits of an IntegerGoEasy86.6%
1290Convert Binary Number in a Linked List to IntegerGoEasy82.1%
1304Find N Unique Integers Sum up to ZeroGoEasy76.9%
1317Convert Integer to the Sum of Two No-Zero IntegersGoEasy55.4%
1442Count Triplets That Can Form Two Arrays of Equal XORGoMedium76.1%
1486XOR Operation in an ArrayGoEasy84.6%
1512Number of Good PairsGoEasy88.2%
1518Water BottlesGoEasy60.5%
1551Minimum Operations to Make Array EqualGoMedium81.5%
1573Number of Ways to Split a StringGoMedium32.5%
1641Count Sorted Vowel StringsGoMedium77.4%
1648Sell Diminishing-Valued Colored BallsGoMedium30.4%
1680Concatenation of Consecutive Binary NumbersGoMedium57.0%
1685Sum of Absolute Differences in a Sorted ArrayGoMedium63.5%
1688Count of Matches in TournamentGoEasy83.1%
1690Stone Game VIIGoMedium58.1%
1716Calculate Money in Leetcode BankGoEasy66.1%
1742Maximum Number of Balls in a BoxGoEasy73.6%
2038Remove Colored Pieces if Both Neighbors are the Same ColorGoMedium57.9%
2165Smallest Value of the Rearranged NumberGoMedium51.4%
2169Count Operations to Obtain ZeroGoEasy75.2%
2180Count Integers With Even Digit SumGoEasy65.5%
2183Count Array Pairs Divisible by KGoHard28.3%
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