2017年6月20日
[Leetcode] Multiply strings 字符串对应数字相乘
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
posted @ 2017-06-20 17:33 王大咩的图书馆 阅读(682) 评论(0) 推荐(0)
[Leetcode] count and say 计数和说
摘要： The count-and-say sequence is the sequence of integers beginning as follows:1, 11, 21, 1211, 111221, ... 1is read off as"one 1"or11.11is read off as"t 阅读全文
posted @ 2017-06-20 16:31 王大咩的图书馆 阅读(377) 评论(0) 推荐(0)
[Leetcode] Roman to integer 罗马数字转成整数
摘要： Given a roman numeral, convert it to an integer. Input is guaranteed to be within the range from 1 to 3999. 思路：有关罗马数字的相关知识可见博客Integer to roman。从左往右遍历字 阅读全文
posted @ 2017-06-20 15:23 王大咩的图书馆 阅读(344) 评论(0) 推荐(0)
[Leetcode] Interger to roman 整数转成罗马数字
摘要： Given an integer, convert it to a roman numeral. Input is guaranteed to be within the range from 1 to 3999. 题意：将整数转换成罗马数字，这里就需要对什么是罗马数字有一些了解。一下部分摘选于百度 阅读全文
posted @ 2017-06-20 10:52 王大咩的图书馆 阅读(511) 评论(0) 推荐(1)