Inaltime1

#include <fstream>
using namespace std;
ifstream cin("inaltime1.in");
ofstream cout("inaltime1.out");
struct nod
{int nr;
nod* st,*dr;
};
nod *c;
int n,s[101],i,sf;
nod *r[101];

nod *arb()
{//int n;
nod *c;
cin>>n;
if(n)
{
c=new nod;
c->nr=n;
c->st=arb();
c->dr=arb();
return c;
}
else return 0;
}

int h(nod *r)
{
if (r==0) return 0;
else return 1+max(h(r->st),h(r->dr));
}
/*
int h1(nod *r)
{if(r==0) return 0;
else return 1+h1(r->st);
}

int h2(nod *r)
{if(r==0) return 0;
else return 1+h2(r->dr);
}
*/
int main()
{
c=arb();
cout<<h(c)<<'\n';
//cout<<h1(c)<<endl;
//cout<<h2(c)<<endl;
return 0;
}