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Swapping ValuesBinary Search | Bubble Sort | Selection Sort | Finding Maximum Value | Linear Search | Celsius to Fahrenheit | 10 Pseudo-random numbers | Calculating Average | Swapping Values | Lowercase/ Uppercase Program to Swap two values entered by the user at runtime C++ Source Code #include <iostream.h>
void swap(double *, double *); // function prototype
int main()
{
double firstnum = 20.5, secnum = 6.25;
cout << "The value stored in firstnum is: " << firstnum << endl;
cout << "The value stored in secnum is: " << secnum << "\n\n";
swap(&firstnum, &secnum); // call swap
cout << "The value stored in firstnum is now: " << firstnum << endl;
cout << "The value stored in secnum is now: " << secnum << endl;
return 0;
}
void swap(double *nm1Addr, double *nm2Addr)
{
double temp;
temp = *nm1Addr; // save firstnum's value
*nm1Addr = *nm2Addr; // move secnum's value in firstnum
*nm2Addr = temp; // change secnum's value
return;
}
Copyrights Gary Bronson. "A First Book of C++: From Here to There " Thomson Learning. |
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