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To arrange a series of numbers in ascending order by selection sorting scheme

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/*Selection Sort*/
#include<stdio.h>
#include<math.h>
int main()
{
    int n,i,j,position,swap;
    float a[100];
    printf("enter no. of elements:");
    scanf("%d",&n);
    printf("enter %d numbers:\n",n);
    for(i=0;i<n;i++)
    scanf("%f",&a[i]);
    for(i=0;i<n-1;i++)
    {
        position=i;
        for(j=i+1;j<n;j++)
        {
            if(a[position]>a[j])
            position=j;
        }
        if(position!=i)
        {
            swap=a[i];
            a[i]=a[position];
            a[position]=swap;
        }
    }
    printf("sorted list in ascending order is:\n");
    for(i=0;i<n;i++)
    printf("%f\n",a[i]);
    return(0);
}
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