Tim 3 canh cho 1 tam giac

/* Nhap 3 canh cho tam giac? */

#include<stdio.h>

#include<conio.h>

void main() {

float a,b,c;

printf("Nhap vao do dai 3 canh cua tam giac:\n");

scanf("%f %f %f",&a,&b,&c);

while (a+b<=c || a+c<=b || b+c<=a)

{

printf("%6.1f %6.1f %6.1f khong phai la 3 canh cua tam

giac\n",a,b,c);

printf("Nhap lai 3 canh a, b, c = ");

scanf("%f %f %f",&a,&b,&c);

}

printf("%6.1f %6.1f %6.1f la 3 canh cua tam giac ",a,b,c);

getch();

}