leetcode_IntegerToRoman

I = 1;
V = 5;
X = 10;
L = 50;
C = 100;
D = 500;
M = 1000;
class Solution {
public:
string intToRoman(int num) {
string str;
string symbol[]={“M”,”CM”,”D”,”CD”,”C”,”XC”,”L”,”XL”,”X”,”IX”,”V”,”IV”,”I”};
int value[]= {1000,900,500,400, 100, 90, 50, 40, 10, 9, 5, 4, 1};
for(int i=0;num!=0;++i)
{
while(num>=value[i])
{
num-=value[i];
str+=symbol[i];
}
}
return str;
}
};
有关罗马数字的表示参考网页:
https://zhidao.baidu.com/question/229942430.html