bigpotato

摘要： Given a non-empty string containing an out-of-order English representation of digits 0-9, output the digits in ascending order. Note: Input contains o 阅读全文

摘要： Given two non-negative integers num1 and num2 represented as string, return the sum of num1 and num2. Note: The length of both num1 and num2 is < 5100 阅读全文