Programming in C++ with output

W.A.P TO INPUT 3 SIDES OF A TRIANGLE  PRINT INVALID DATA IF SUM OF 2 SIDES IS GREATER THAN THE THIRD SITE ELSE PRINT VALID DATA AND CALCULATES ITS AREA




#include<conio.h>
#include<iostream.h>
#include<math.h>
void main()
{
clrscr();
int x,y,z;
cout<<"Enter x,y & z::";
cin>>x>>y>>z;
if(x>=y+z||y>=x+z||z>=x+y)
cout<<"Invalid data";
else
{
float s,q;
s=(x+y+z)/2;
q=s*(s-x)*(s-y)*(s-z);
cout<<"Area is::"<<sqrt(q);
}
getch();
}