[Link to this article]
Http://www.cnblogs.com/hellogiser/p/roman-to-integer-and-integer-to-roman.html
【Question]
Returns a roman number and converts it to an Arabic number. This question only considers the number less than 3999.
The Roman numerals
Convert Arabic numerals to Roman numerals
Convert Arabic numerals greater than 0 and less than 1000 to Roman numerals. The correspondence between Arabic numerals and Roman numerals is as follows:
* Problem analysis and Algorithm DesignThe
1. TitleInteger to Roman (conversion of Arabic numerals to Roman numerals)2. Address of the topicHttps://leetcode.com/problems/integer-to-roman3. Topic contentEnglish: Given An integer, convert it to a Roman numeral. Input is guaranteed to being
Seven Roman Letters: I (1), V (5), X (10), L (50), C (100), D (500), M (1000)
Rules:
(1) Small numbers put the right side of the added, and V, L, D can only be used once;
(2) Small (only limited to I, X, C) to the left to indicate minus small, and
Leetcode: Roman numeral to integer "13" title descriptionThe Roman numerals contain the following seven characters:,,,, I V X L C , D and M .Character value I 1V 5X 10L 50C 100D
title: Arabic numerals to Roman numeralsGiven an integer, convert it to a Roman numeral.Input is guaranteed to being within the range from 1 to 3999.Original title link address: https://leetcode.com/problems/integer-to-roman/Analysis: Test
Problem
Analytical
Appendix Roman Numeral Spelling Rules
ProblemInteger to roman:https://leetcode.com/problems/integer-to-roman/Degree:mediumGiven an integer, convert it to a roman numeral.Input is guaranteed to be within the
Topic:The Roman numerals contain the following seven characters: I, V, X, L,c,d and M. Character value I1V5XTenL -C -D -M +For example, Roman numerals2Write II, which is two parallel1。 AWrite XII, which is X + II. -Write as XXVII, which is XX + V
refer to "One-day-one-leetcode"
In the previous blog we discussed the conversion of numbers within 1~3999 to Roman numerals, highlighting some of the expressions of non-7 standard Roman numerals, such as 4,6,3 and so on, which we talked about
Afternoon on the FCC (freecodecamp) Chinese online to do an exercise: the given number into Roman numerals . Tortured for one hours, finally can give the basic ability to achieve. The process is as follows:About Roman NumeralsA detailed description
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