摘要： Given two numbers represented as strings, return multiplication of the numbers as a string. Note: The numbers can be arbitrarily large and are non-neg 阅读全文

摘要： Given two binary strings, return their sum (also a binary string).For example,a = "11"b = "1"Return "100".class Solution {public: string addBinary(... 阅读全文

摘要： Given a non-negative number represented as an array of digits, plus one to the number.The digits are stored such that the most significant digit is at... 阅读全文