#include <cstdio> #include <string> #include <map> using namespace std; ; , , , , , , , , , , , , }; const string sign[] = {"I", "IV", "V", "IX", "X", "XL", "L", "…

Ancient Roman empire had a strong government system with various departments, including a secret service department. Important documents were sent between provinces and the capital in encrypted form to prevent eavesdropping. The most popular ciphers…

  Ancient Roman empire had a strong government system with various departments, including a secret service department. Important documents were sent between provinces and the capital in encrypted form to prevent eavesdropping. The most popular cipher…

Given an integer, convert it to a roman numeral. Input is guaranteed to be within the range from 1 to 3999. 分析: 罗马数字是由字符I,V,X,L,C,D,M等等表示的,其中 I = ; V = ; X = ; L = ; C = ; D = ; M = ; 接下来应该是V开始的重复,但是上面要加一个横线,表示对应数字的1000倍. 而且对于某位上(以个位为例), – ,应该是:I,II,…

Integer to Roman Given an integer, convert it to a roman numeral. The number is guaranteed to be within the range from 1 to 3999. Clarification What is Roman Numeral? https://en.wikipedia.org/wiki/Roman_numerals https://zh.wikipedia.org/wiki/%E7%BD%9…

Roman to Integer Given a roman numeral, convert it to an integer. Input is guaranteed to be within the range from 1 to 3999. 意思就是: 给出一个罗马数字,返回其对应的整数 num( 0<=num<=3999)表示: 罗马数字范围从 0-->3999 罗马数字有: I V X L C D M 1 5 10 50 100 500 1000 Math String So…

Integer to Roman Given an integer, convert it to a roman numeral. Input is guaranteed to be within the range from 1 to 3999. 意思就是: 给出一个整数 num( 0<=num<=3999),返回其对应的罗马数字表示: 罗马数字有: I V X L C D M 1 5 10 50 100 500 1000 Math String Solutions 1 Integer to…

9. Palindrome Number Determine whether an integer is a palindrome. Do this without extra space. click to show spoilers. Some hints: Could negative integers be palindromes? (ie, -1) If you are thinking of converting the integer to string, note the res…

题目链接:http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=4085 13855995 1339 Ancient Cipher Accepted C++ 0.012 2014-07-09 12:35:33 Ancient Cipher Ancient Roman empire had a strong government system wit…

Series的简单运算 import numpy as np import pandas as pd s1=pd.Series([1,2,3],index=['A','B','C']) print(s1) 结果: A 1 B 2 C 3 dtype: int64 s2=pd.Series([4,5,6,7],index=['B','C','D','E']) print(s2) 结果: B 4 C 5 D 6 E 7 dtype: int64 print(s1+s2)#对应的index相加,NaN…