Character to number conversion

[cbing]

I am trying to write a program the converts letters to
numbers. My attached code works for the first letter
entered but will not read past the first number. Please
help.

Thanks.

#include <iostream>
#include <string>

using namespace std;

void convertnum (char, int&);

int main()
{
char firstnum;
//char secnum;
int firstconv = 0;
//int secconv;


cout << " Please enter the first number: " << endl;
cin >> firstnum;

convertnum (firstnum, firstconv);

cout << " The first number is: " << firstconv <<
endl;


return 0;
}

//*********************************************************
**************************************

void convertnum(char rnum, int& numconv)
{
numconv = 0;

if (rnum == 'M' || rnum == 'm')
numconv += 1000;
if (rnum == 'D' || rnum == 'd')
numconv += 500;
if (rnum == 'C' || rnum == 'c')
numconv += 100;
if (rnum == 'L' || rnum == 'l')
numconv += 50;
if (rnum == 'X' || rnum == 'x')
numconv += 10;
if (rnum == 'V' || rnum == 'v')
numconv += 5;
if (rnum == 'I' || rnum == 'i')
numconv += 1;

}

 

[Jonathan Mcdougall]

I am trying to write a program the converts letters to

numbers. My attached code works for the first letter
entered but will not read past the first number. Please
help.

Look up "while" and "for" in your book/website.


Jonathan

 

[Ron Natalie]

I am trying to write a program the converts letters to
numbers. My attached code works for the first letter
entered but will not read past the first number. Please
help.

That's all it does. It reads one char, converts it, outputs
it, and then returns from main. Perhaps you wanted a loop?