Roman Digititis

#include<bits/stdc++.h>

using namespace std;

map<int,string>DecimalToRoman;

string s;

void DtoR(int value)
{
    DecimalToRoman[100] = "C"; DecimalToRoman[90] = "XC";

    DecimalToRoman[50] = "L"; DecimalToRoman[40] = "XL";

    DecimalToRoman[10] = "X"; DecimalToRoman[9] = "IX";

    DecimalToRoman[5] = "V"; DecimalToRoman[4] = "IV";

    DecimalToRoman[1] = "I";

    map<int,string>::reverse_iterator it;

    s = "";

    for(it = DecimalToRoman.rbegin();it!=DecimalToRoman.rend();it++)
    {
        while(value>=it->first)
        {
            s+=(string) it->second;

            value-=it->first;
        }
    }
}

int main()
{
    int len,i,j,value,R,I,V,X,L,C;

    while(scanf("%d",&value)&&value)
    {
        I=V=X=L=C=0;

        for(i=1;i<=value;i++)
        {
            DtoR(i);

            len = s.length();

            for(j=0;j<len;j++)
            {
                if(s[j]=='I')
                {
                    I++;
                }
                else if(s[j]=='V')
                {
                    V++;
                }
                else if(s[j]=='X')
                {
                    X++;
                }
                else if(s[j]=='L')
                {
                    L++;
                }
                else if(s[j]=='C')
                {
                    C++;
                }
            }
        }

        printf("%d: %d i, %d v, %d x, %d l, %d c\n",value,I,V,X,L,C);

    }

    return 0;
}