public void Example1()
{
var s = new SolutionP692();
var result = s.TopKFrequent(new[] { "i", "love", "leetcode", "i", "love", "coding" }, 2);
Console.WriteLine(string.Join(" ", result));
Assert.AreEqual(result, new string[] { "i", "love" });
}
public void Example2()
{
var s = new SolutionP692();
var result = s.TopKFrequent(new[] { "the", "day", "is", "sunny", "the", "the", "the", "sunny", "is", "is" },
4);
Console.WriteLine(string.Join(" ", result));
Assert.AreEqual(result, new string[] { "the", "is", "sunny", "day" });
}