Thread: New to C++, help with code

  1. #1
    Registered User
    Join Date
    Sep 2013

    New to C++, help with code

    Hey guys I'm new to c++ and I was wondering if anyone could help me with my code? I need to make a code that can do the Pythagorean theorem with fractional components. I made a code that can do the theorem but I'm not sure how to do the fractional part. When ever I enter a fractional number in, the program assumes I'm giving values for both a and b instead of just one here is my code.
    #include <iostream>#include <math.h>
    #include <cmath>
    using namespace std;
    int main ()
        float a, b, c;
        cout << "Optimal Driving Distance Calculator \nPlease input the distance of east:";
        cin >> a;
        cout << "Please input the distance of north:";
        cin >> b;
        c = a*a +b*b;
        cout <<"The optimal driving distance is " << c << '.' << endl;
        system ("pause");
    Thanks for you help!

  2. #2
    Lurking whiteflags's Avatar
    Join Date
    Apr 2006
    United States
    As written, you will need to input decimal numbers. Entering in stuff like 1/4 isn't going to work without more programming. If your compiler has C++11 support, you can try using the ratio class, or program something similar yourself.

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