// A Simple Program Using Array
#include<stdio.h>
main( ) 
{ 
    int avg, sum = 0 ; 
    int i ; 
    int marks[10] ; /* array declaration */
    for ( i = 0 ; i <= 9 ; i++ ) 
    {  
        printf ( "\nEnter marks " ) ; 
        scanf ( "%d", &marks[i] ) ; 
    }
    for ( i = 0 ; i <= 9 ; i++ ) 
          sum = sum + marks[i] ; 
    avg = sum / 10 ; 
    printf ( "\nAverage marks = %d", avg ) ; 
    system("pause");
}