Could someone please help me figure out what is wrong with my program?
# include <iostream>
# include <string>
using namespace std;
void water_state();
float celsius_to_fahrenheit(float c);
float celsius;
float fahrenheit;
int main()
{
float celsius;
float fahrenheit;
cout << " Enter Temperature in degrees celsius: ";
cin >> celsius;
fahrenheit= celsius_to_fahrenheit (celsius);
}
float celsius_to_fahrenheit(float c)
{
return (((9/5)*c)+23);
}
void water_state()
{
if (fahrenheit <= 212)
return cout << "steam";
else if (fahrenheit>=32)
return cout << "ice";
else
return cout << "water";
}