public void Solve()
{
Func <int, int, wb[]> paintColor = null;
paintColor = (from, now) =>
{
var ret = new wb[2] {
1, 1
};
foreach (var to in abList[now])
{
// ?????? ???????????
if (from == to)
{
continue;
}
var res = paintColor(now, to);
// ???+?
ret[0] *= res[0] + res[1];
// ???
ret[1] *= res[0];
}
return(ret);
};
var ans = paintColor(-1, 0);
Console.WriteLine((ans[0] + ans[1]).num);
}
wb[] paintColor(int from, int now)
{
var ret = new wb[2] {
1, 1
};
foreach (var to in abList[now])
{
// ?????? ???????????
if (from == to)
{
continue;
}
var res = paintColor(now, to);
// ???+?
ret[0] *= res[0] + res[1];
// ???
ret[1] *= res[0];
}
return(ret);
}
=> FuncParse = () => ExtendFromWorkbook(wb, excludedSheetNames);
