C Program to Read Set of Real Numbers from Keyboard & Find the Maximum

To write a C program to read set of real numbers from keyboard and find the maximum among them, you can use a function which takes an array of real numbers and its size as arguments and return the maximum.


Using this function you can write a program to read a set of real numbers from the keyboard and find the maximum number in the array.

C Program to Read Set of Real Numbers and Find the Maximum

Steps: 

1. Define a function max() 
2. Under main() function, declare two integers i and n.
3. Declare an array a.
4. Prompt the message to the user to insert how many elements they want to enter using printf() and allow to enter using scanf().
5. Prompt the message and allow to enter the elements.
6. Find out the maximum number among them using max() function.
7. Print the maximum number along with message.

Code:

#include<stdio.h>
#include<conio.h>

max(float a[], int n);

void main()
{

int i,n;
float a[100];


 printf("\n How many elements you want to enter:\n");
 scanf("%d",&n);

 printf("\n Enter the elements:");
 for(i=0;i<n;i++)
 scanf("%f",&a[i]);
 max(a,n);
 getch();
}

max(float a[], int n)

{
 int i;
 float k, large;
 large=a[0];
 for (i=1;i<n;i++)
 {
  if (a[i]>large)
  {
   k=a[i];
   a[i]=large;
   large=k;
  }
 }

 printf("Largests element is :       %f", large);

return 0;

}

 

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