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摘要： No.58 Length of Last WordGiven a stringsconsists of upper/lower-case alphabets and empty space characters' ', return the length of last word in the st... 阅读全文

摘要： No.6 ZigZag ConversionThe string"PAYPALISHIRING"is written in a zigzag pattern on a given number of rows like this: (you may want to display this patt... 阅读全文

摘要： No.67 Add BinaryGiven two binary strings, return their sum (also a binary string).For example,a ="11"b ="1"Return"100". 与No.2 Add Two Numbers的思路非常相似，... 阅读全文

摘要： No.2 Add Two NumbersYou are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nod... 阅读全文

摘要： No.165 Compare Version NumbersCompare two version numbersversion1andversion2.Ifversion1>version2return 1, ifversion1 version2 return 1, if version1 d... 阅读全文

摘要： No.68 Text JustificationGiven an array of words and a lengthL, format the text such that each line has exactlyLcharacters and is fully (left and right... 阅读全文

摘要： No.29 Divide Two IntegersDivide two integers without using multiplication, division and mod operator.If it is overflow, return MAX_INT.Tags:MathBinary... 阅读全文

摘要： No.7 Reverse IntegerReverse digits of an integer.Example1:x = 123, return 321Example2:x = -123, return -321反转数字：将对10整除和取余的结果逆置即可难点即细节：溢出。符号疑问：溢出的，怎么处理... 阅读全文

摘要： No.166 Fraction to Recurring DecimalGiven two integers representing the numerator and denominator of a fraction, return the fraction in string format.... 阅读全文

摘要： No.65 Valid NumberValidate if a given string is numeric.Some examples:"0"=>true" 0.1 "=>true"abc"=>false"1 a"=>false"2e10"=>trueNote:It is intended fo... 阅读全文