[LeetCode] Roman to Integer 罗马数字转化成整数

【[LeetCode] Roman to Integer 罗马数字转化成整数】的更多相关文章

[LeetCode] Roman to Integer 罗马数字转化成整数

Given a roman numeral, convert it to an integer. Input is guaranteed to be within the range from 1 to 3999. 罗马数转化成数字问题,我们需要对于罗马数字很熟悉才能完成转换.以下截自百度百科: 罗马数字是最早的数字表示方式,比阿拉伯数字早2000多年,起源于罗马. 如今我们最常见的罗马数字就是钟表的表盘符号:Ⅰ,Ⅱ,Ⅲ,Ⅳ(IIII),Ⅴ,Ⅵ,Ⅶ,Ⅷ,Ⅸ,Ⅹ,Ⅺ,Ⅻ…… 对应阿拉伯数字(就是现…

[Leetcode] Roman to integer 罗马数字转成整数

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.从左往右遍历字符串,比较当前为和下一位的值,若是当前数字比下一位大,或者当当前数字为最后时,则加上当前数字,否则减去当前数字.这就遇到一个问题,罗马数字的字符串不是按26个字母顺序来的,如何确定大小.解决办法一:写…

[LintCode] Roman to Integer 罗马数字转化成整数

Given a roman numeral, convert it to an integer. The answer is guaranteed to be within the range from 1 to 3999. Have you met this question in a real interview? Yes Clarification What is Roman Numeral? https://en.wikipedia.org/wiki/Roman_numerals htt…

[LeetCode] 13. Roman to Integer 罗马数字转化成整数

Roman numerals are represented by seven different symbols: I, V, X, L, C, D and M. Symbol Value I 1 V 5 X 10 L 50 C 100 D 500 M 1000 For example, two is written as II in Roman numeral, just two one's added together. Twelve is written as, XII, which i…

13. Roman to Integer 罗马数字转化为阿拉伯数字（indexOf ()和 toCharArray()）easy

Roman numerals are represented by seven different symbols: I, V, X, L, C, D and M. Symbol Value I 1 V 5 X 10 L 50 C 100 D 500 M 1000 For example, two is written as II in Roman numeral, just two one's added together. Twelve is written as, XII, which i…

Roman to Integer(将罗马数字转成整数)

Given a roman numeral, convert it to an integer. Input is guaranteed to be within the range from 1 to 3999. 将罗马数字转成阿拉伯数字.需要了解两者对应关系. 罗马数字共有7个,即I(1).V(5).X(10).L(50).C(100).D(500)和M(1000).1.重复数次:一个罗马数字重复几次,就表示这个数的几倍.2.2.1 在较大的罗马数字的右边记上较小的罗马数字,表示大数字加小数…