Chapter 6 User defined Functions 1

Complete Program Listing

//Program: Largest

#include <iostream>

using namespace std;

double larger(double x, double y);

int main()

{

double num; //variable to hold the current number

double max; //variable to hold the larger number

int count; //loop control variable

cout<<"Enter 10 numbers."<<endl;

cin>>num; //Step 1

max = num; //Step 1

for(count = 1; count < 10; count++) //Step 2

{

cin>>num; //Step 2a

max = larger(max, num); //Step 2b

}

cout<<"The largest number is "<<max<<endl; //Step 3

return 0;

}//end main

double larger(double x, double y)

{

if(x >= y)

return x;

else

return y;

}

Sample Run: In this sample run, the user input is shaded.

Enter 10 numbers.

10 56 73 42 22 67 88 26 62 11

The largest number is 88