Viet chuong trinh nhap 3 so bat ki tim so lon nhat trong 3 so do!

#include <stdio.h>
#include<conio.h>
void main()
{
clrscr();
float a,b,c, max;
printf("Nhap vao 3 so bat ki:\n");
printf("\na=");
scanf("%f",&a);
printf("\nb=");
scanf("%f",&b);
printf("\nc=");
scanf("%f",&c);
//Tim so lon nhat max=(a>b)?a:b;
max=(max>c)?max:c;
printf("\nSo lon nhat trong 3 so a, b,c la:%3.1f",max);
getch();
}