using System using System Collections Generic using System Linq using

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Resistances
{
class Program
{
class Node
{
public enum NType { res, par, seq};
public NType nt;
public Node first;
public Node second;
public int value;
public Node(Node f, Node s, int v, NType n)
{
first = f;
second = s;
value = v;
nt = n;
}
public int count(Node n)
{
if (n.nt == NType.res)
return value;
if (n.nt == NType.seq)
{
return count(n.first) + count(n.second);
}
int i = count(n.first);
int j = count(n.second);
return (i * j) / (i + j);
}
}
static void Main(string[] args)
{
Node n = new Node(
new Node (
new Node(null, null, 1, Node.NType.res),
new Node(null, null, 2, Node.NType.res),
0,
Node.NType.seq
),
new Node (null, null, 5, Node.NType.res),
0,
Node.NType.par
);
}
}
}