2.prob fis

Problema cu triunghiul
#include<iostream>
#include<fstream>
unsigned space std;
ifstream f("triunghi.txt")
int main()
{unsigned int a,b,c;
 while(f>>a>>b>>c)
{if((a+b>c)&&(b+c+a)&&(a+c>b))
{if(a=c&&b=c&&b=a)
 cout<<"oarecare"<<endl;
else if(a==b&&b==c)
 cout<<"echilateral"<<endl;
else
 cout<<"isocel"<<endl;
}
}
}
return 0:
}