2017 年 9月 11 日随笔档案 - sichenzhao

Leetcode c语言-Roman to Integer

摘要： Title:Given a roman numeral, convert it to an integer.Input is guaranteed to be within the range from 1 to 3999.这道题和上道题相反，将罗马数字转换成数字。两... 阅读全文

posted @ 2017-09-11 22:18 sichenzhao 阅读(117) 评论(0) 推荐(0) 编辑

摘要： Title:Given an integer, convert it to a roman numeral.Input is guaranteed to be within the range from 1 to 3999.这道题目就是将数字转换成罗马数字。比较简单。... 阅读全文

posted @ 2017-09-11 21:53 sichenzhao 阅读(123) 评论(0) 推荐(0) 编辑

摘要： Title:Given n non-negative integers a1, a2, ..., an, where each represents a point at coordinate (i, ai). n vertical lines are drawn s... 阅读全文

posted @ 2017-09-11 14:43 sichenzhao 阅读(88) 评论(0) 推荐(0) 编辑

摘要： Title:Determine whether an integer is a palindrome. Do this without extra space.click to show spoilers.Some hints:Could negative integ... 阅读全文

posted @ 2017-09-11 14:23 sichenzhao 阅读(122) 评论(0) 推荐(0) 编辑