C program for selection Sort

#include <stdio.h>
#include <stdlib.h>
int selection_sort(int,int[]);
int main()
{
  int n;
  int arr[100];
  printf("\n This is a simple program for selection sort\n");
  printf("\n Enter the size of array you want\n");
  scanf("%d",&n);   // taking input 
 
  printf("\n Now Enter the elements of array\n");
  for(int i=0;i<n;i++)
  scanf("%d",&arr[i]);  // taking input of array elements

  printf("Array elements entered by you is:\n ");
  for(int i=0;i<n;i++)
  printf("%d\t",arr[i]);   // printing entered array elements
  
  printf("\n\n Array elements after sorting :\n");
  selectioin_sort(n,arr);   // function call
  printf("\n Sorted array elements after selection sort");
  return 0;
}

int selectioin_sort(int n,int arr[])     // function definition
{
  int smallest;
  for (int j=0;j<n-1;j++)
    { 
        smallest=arr[j];
        for (int i=1+j;i<n;i++)
          {
              if(smallest>arr[i])
                 {
                    smallest=arr[i];
                    arr[i]=arr[j];
                    arr[j]=smallest;
                 }
          }
   }
for ( int k=0;k<n;k++)    // displaying final array
printf("%d \t",arr[k]);
return 0;
}

Output:

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