// cbai12.cpp : Defines the entry point for the console application.
// code Dung NV
#include"stdafx.h"
#include<conio.h>
#include<stdio.h>
#include<math.h>
intktvuong(float a,floatb,float c)
{
if(a*a+b*b==c*c||a*a+c*c==b*b||b*b+c*c==a*a) return 1; else return 0;
}
intktcan(float a,floatb,float c)
{
if(a==b||a==c||b==c) return 1; else return 0;
}
intktdeu(float a,floatb,float c)
{
if(a==b&&a==c&&b==c) return 1; else return 0;
}
intkttamgiac(float a,floatb,float c)
{
if(a+b>c&&a+c>b&&b+c>a) return1; else return0;
}
int_tmain(int argc, _TCHAR* argv[])
{
floata,b,c;
printf("\nNhap 3 so thuc so a,b,c: ");
scanf("%f%f%f",&a,&b,&c);
printf("\nvoi 3 so thuc %f %f %f thi :",a,b,c);
if(kttamgiac(a,b,c))
{
if (ktcan(a,b,c)&&ktvuong(a,b,c)) printf("\nLap duoc tam giac vuong can");
else if(ktvuong(a,b,c)) printf("\nLap duoc tam giac vuong");
else if(ktdeu(a,b,c)) printf("\nLap duoc tam giac deu");
else if(ktcan(a,b,c)) printf("\nLap duoc tam giac can");
else printf("\nLap duoc tam giac thuong");
}
elseprintf("\nKhong phai 3 can cua 1 tam giac");
getch();
return0;
}
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