Question

c++ please

The only outside functions you can use are: a) cout, cin, rand(), srand(), and time() b) functions you write yourself

Q3) convert character digit to number

CharToNum('0') ==> 0

CharToNum('9') ==> 9

int CharToNum(const char c) {

}

Answer 1

You just have to subtract ASCII value of 0 from the character, to get character as number.

I have included my code and screenshots in this answer. In case, there is any indentation issue due to editor, then please refer to code screenshots to avoid confusion.

------------------main.cpp-----------

#include <iostream>

using namespace std;

int CharToNum(const char c)
{
   int num = c - '0';//Subtract Ascii value of '0' from character, gives actual number
   return num;
}

int main()
{
   int n0 = CharToNum('0'); //Sample test cases
   int n1 = CharToNum('1');
   int n2 = CharToNum('2');
   int n3 = CharToNum('3');

   cout << "\nSum(0, 1, 2, 3) = " << n0+n1+n2+n3 << endl; //print sum and verify
   return 0;
}

------------------Screenshot main.cpp-----------

-----------------Output-----------

-----------------------------------------

I hope this helps you,

Please rate this answer if it helped you,

Thanks for the opportunity