//
//  parameter_passing_by_reference.c
//  
//
//  Created by Bibhas Ghoshal on 30/09/19.
//

#include <stdio.h>
int minimum (int x[], int y);

main()
{
    
    int a[100], i,j, n, m;
    
    scanf ("%d", &n);
    for (i=0; i<n; i++)
        scanf("%d", &a[i]); // reads n nos and stores them in array a
    for (i=0; i<n; i++)
        printf("\n%d", a[i]); // prints the elements of array a
    
    printf("\n Minimum is %d", minimum(a,n)); //prints the minimum element of the array a. calls function minimum to which the array a is paased through reference
                                              // n is passed as value
   
    
    
    for (j=0; j<n; j++)
        printf("\n %d\n", a[j]);  // prints the elements of array after the minimum function operates on it. The last element gets updated by the min value
                                  // Since the array is passed as reference the actual elements of a are modified by minimum function unlike call by value
                                  // where copy of the actual parameters are passed
}


int minimum (x,size)
int x[], size;
{
    int i, min = 99999;
    for (i=0;i<size;i++) // Iterates n no. of times
    if (min > x[i]){
            min = x[i]; // each element is compared iteratively to min. If smaller the element becomes the new min else the min remains unchanged
        
    }
    x[i-1] = min; // updates the last element of the array with the min
    return (min);
    
    
}