private void SolveOneTestCase()
{
int n = In.NextInt(), m = In.NextInt();
List <string> dirs = new List <string>();
List <string> need = new List <string>();
for (int i = 0; i < n; ++i)
{
dirs.Add(In.NextLine());
}
for (int i = 0; i < m; ++i)
{
need.Add(In.NextLine());
}
System.Collections.Generic.Dictionary <string, bool> h = new System.Collections.Generic.Dictionary <string, bool>();
for (int i = 0; i < n; ++i)
{
var data = dirs[i].Split(new[] { '/' }, StringSplitOptions.RemoveEmptyEntries);
string path = "/";
foreach (var s in data)
{
path += s;
if (!h.ContainsKey(path))
{
h.Add(path, true);
}
}
}
int res = 0;
for (int i = 0; i < m; i++)
{
var data = need[i].Split(new[] { '/' }, StringSplitOptions.RemoveEmptyEntries);
string path = "/";
foreach (var s in data)
{
path += s;
if (!h.ContainsKey(path))
{
h.Add(path, true);
++res;
}
}
}
Out.WriteLine(res);
}
private void SolveOneTestCase()
{
var data = In.NextLine().Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
BigInteger[] a = new BigInteger[data.Length - 1];
for (int i = 1; i < data.Length; ++i)
{
a[i - 1] = StringToInt(data[i]);
}
BigInteger g = a[0] - a[1];
if (g < 0)
{
g = -g;
}
for (int i = 2; i < a.Length; ++i)
{
g = gcd(g, a[0] - a[i]);
}
Out.WriteLine((g - (a[0] % g)) % g);
}