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# Answer to Question #45895 in C++ for Judiel Agapito Lapero

Question #45895
Write a program that accepts an ordinary number and outputs its equivalent Roman numerals. The ordinary numbers and their equivalent Roman numbers are given below: Ordinary numbers Roman numerals 1=I 5 = V 10= X 50= L 100= C 500= D 1000= M Enter a number: 234 Output: CCXXXIV Use switch-case statement. Limit the number up to 3000
1
2014-09-11T06:22:53-0400
#include <iostream>using namespace std;// Definition of functionconst char *Number_AsRomanString( int iNumber );int main (void){    int arabicalNumeral = 1;    int result;    cout<<"Please enter the number: "<<endl;       // Validation    if (cin>>result && result < 3000)    {        // Display of result        cout<<endl<<Number_AsRomanString( result )<<endl;    }    else    {        cout<<"Limit the number up to 3000 or invalid input!"<<endl;    }     // Stop of process    system("pause");return 0;}// Functionconst char *Number_AsRomanString( int iNumber ){    // Definition of struct    struct RomanDigit_t    {        char *m_psString;        int m_iValue;    };    // Initialization of object struct    static const RomanDigit_t RomanDigits[]=    {        {"M",  1000},        {"D",   500},        {"C",   100},        {"L",    50},        {"X",    10},        {"V",     5},        {"I",     1},    };    static char sRomanString[20];    sRomanString[0] = '\0';    for (int i=0; iNumber && i<sizeof(RomanDigits)/sizeof(RomanDigits[0]); i++)    {        switch(i)        {            case 0:            {                while(RomanDigits[0].m_iValue <= iNumber )                {                    strcat( sRomanString, RomanDigits[0].m_psString );                    iNumber -= RomanDigits[0].m_iValue;                }                while((RomanDigits[0].m_iValue-RomanDigits[2].m_iValue) <= iNumber )                {                    strcat( sRomanString, RomanDigits[2].m_psString );                    strcat( sRomanString, RomanDigits[0].m_psString );                    iNumber -= RomanDigits[0].m_iValue-RomanDigits[2].m_iValue;                }                break;            }                        case 1:            {                while(RomanDigits[1].m_iValue <= iNumber )                {                    strcat( sRomanString, RomanDigits[1].m_psString );                    iNumber -= RomanDigits[1].m_iValue;                }                while((RomanDigits[1].m_iValue-RomanDigits[2].m_iValue) <= iNumber )                {                    strcat( sRomanString, RomanDigits[2].m_psString );                    strcat( sRomanString, RomanDigits[1].m_psString );                    iNumber -= RomanDigits[1].m_iValue-RomanDigits[2].m_iValue;                }                break;            }            case 2:            {                while(RomanDigits[2].m_iValue <= iNumber )                {                    strcat( sRomanString, RomanDigits[2].m_psString );                    iNumber -= RomanDigits[2].m_iValue;                }                while((RomanDigits[2].m_iValue-RomanDigits[4].m_iValue) <= iNumber )                {                    strcat( sRomanString, RomanDigits[4].m_psString );                    strcat( sRomanString, RomanDigits[2].m_psString );                    iNumber -= RomanDigits[2].m_iValue-RomanDigits[4].m_iValue;                }                break;            }            case 3:            {                while(RomanDigits[3].m_iValue <= iNumber )                {                    strcat( sRomanString, RomanDigits[3].m_psString );                    iNumber -= RomanDigits[3].m_iValue;                }                while((RomanDigits[3].m_iValue-RomanDigits[4].m_iValue) <= iNumber )                {                    strcat( sRomanString, RomanDigits[4].m_psString );                    strcat( sRomanString, RomanDigits[3].m_psString );                    iNumber -= RomanDigits[3].m_iValue-RomanDigits[4].m_iValue;                }                break;            }            case 4:            {                while(RomanDigits[4].m_iValue <= iNumber )                {                    strcat( sRomanString, RomanDigits[4].m_psString );                    iNumber -= RomanDigits[4].m_iValue;                }                while((RomanDigits[4].m_iValue-RomanDigits[6].m_iValue) <= iNumber )                {                    strcat( sRomanString, RomanDigits[6].m_psString );                    strcat( sRomanString, RomanDigits[4].m_psString );                    iNumber -= RomanDigits[4].m_iValue-RomanDigits[6].m_iValue;                }                break;            }            case 5:            {                while(RomanDigits[5].m_iValue <= iNumber )                {                    strcat( sRomanString, RomanDigits[5].m_psString );                    iNumber -= RomanDigits[5].m_iValue;                }                while((RomanDigits[5].m_iValue-RomanDigits[6].m_iValue) <= iNumber )                {                    strcat( sRomanString, RomanDigits[6].m_psString );                    strcat( sRomanString, RomanDigits[5].m_psString );                    iNumber -= RomanDigits[5].m_iValue-RomanDigits[6].m_iValue;                }                break;            }                        case 6:            {                while(RomanDigits[6].m_iValue <= iNumber )                {                    strcat( sRomanString, RomanDigits[6].m_psString );                    iNumber -= RomanDigits[6].m_iValue;                }                break;            }            default:            {                break;            }        }            }    return sRomanString;}

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