public void Test1()
{
int[] bolts = new int[] { 2, 3, 1, 5, 4 };
int[] nuts = new int[] { 5, 2, 3, 4, 1 };
int n = 5;
Pairs pairs = new Pairs(n, bolts, nuts);
int[] result = pairs.Solve();
Assert.AreEqual(n, result.Length);
for (int i = 0; i < n; i++)
{
Assert.AreEqual(nuts[i], bolts[result[i]]);
}
}
public void Test2()
{
int[] bolts = new int[] { 3, 3, 2, 1, 4, 10 };
int[] nuts = new int[] { 10, 1, 4, 3, 2, 3 };
int n = 6;
Pairs pairs = new Pairs(n, bolts, nuts);
int[] result = pairs.Solve();
bool[] visited = new bool[n];
Assert.AreEqual(n, result.Length);
for (int i = 0; i < n; i++)
{
Assert.AreEqual(nuts[i], bolts[result[i]]);
visited[result[i]] = true;
}
for (int i = 0; i < n; i++)
{
Assert.IsTrue(visited[i]);
}
}