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C Exercises: Get largest element of an array

C Function : Exercise-8 with Solution

Write a program in C to get largest element of an array using the function.

Pictorial Presentation:

C Exercises: Get largest element of an array

Sample Solution:

C Code:

#include<stdio.h>
#define MAX 100

int findMaxElem(int []);
int n;

int main()
{
    int arr1[MAX],mxelem,i;
	printf("\n\n Function : get largest element of an array :\n");
	printf("-------------------------------------------------\n"); 

       printf(" Input the number of elements to be stored in the array :");
       scanf("%d",&n);
   
       printf(" Input %d elements in the array :\n",n);
       for(i=0;i<n;i++)
        {
	      printf(" element - %d : ",i);
	      scanf("%d",&arr1[i]);
	    }
    mxelem=findMaxElem(arr1);

    printf(" The largest element in the array is : %d\n\n",mxelem);
    return 0;
}
int findMaxElem(int arr1[])
{
    int i=1,mxelem;
    mxelem=arr1[0];
    while(i < n)
	{
      if(mxelem<arr1[i])
           mxelem=arr1[i];
      i++;
    }
    return mxelem;
}

Sample Output:

Function : get largest element of an array :                                                                 
-------------------------------------------------                                                             
 Input the number of elements to be stored in the array :5                                                    
 Input 5 elements in the array :                                                                              
 element - 0 : 1                                                                                              
 element - 1 : 2                                                                                              
 element - 2 : 3                                                                                              
 element - 3 : 4                                                                                              
 element - 4 : 5                                                                                              
 The largest element in the array is : 5   

Flowchart:

Flowchart: Get largest elements to be stored in the array

C Programming Code Editor:

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C Programming: Tips of the Day

Static variable inside of a function in C

The scope of variable is where the variable name can be seen. Here, x is visible only inside function foo().

The lifetime of a variable is the period over which it exists. If x were defined without the keyword static, the lifetime would be from the entry into foo() to the return from foo(); so it would be re-initialized to 5 on every call.

The keyword static acts to extend the lifetime of a variable to the lifetime of the programme; e.g. initialization occurs once and once only and then the variable retains its value - whatever it has come to be - over all future calls to foo().

Ref : https://bit.ly/3fOq7XP