C :

#include<stdio.h>
int main(){
int i,j;
	double a[3],temp;
	scanf("%lf %lf %lf",&a[0],&a[1],&a[2]);
	for (i=0;i<2;i++)
		  for (j=i+1;j<3;j++)
			if (a[i]>a[j])
			{
				temp=a[i];
				a[i]=a[j];
				a[j]=temp;
			}
for (i=0;i<2;i++)
  printf("%.2lf ",a[i]);
printf("%.2lf",a[i]);
printf("\n");
return 0;
}