static void Compute()
{
var size = 200;
var quickFind = new QuickFindUF(size);
var quickUnion = new QuickUnionUF(size);
var weightedQuickUnion = new WeightedQuickUnionUF(size);
var connections = ErdosRenyi.Generate(size);
var quickFindResult = new int[size];
var quickUnionResult = new int[size];
var weightedQuickUnionResult = new int[size];
int p, q;
for (var i = 0; i < size; i++)
{
p = connections[i].P;
q = connections[i].Q;
quickFind.Union(p, q);
quickUnion.Union(p, q);
weightedQuickUnion.Union(p, q);
quickFindResult[i] = quickFind.ArrayVisitCount;
quickUnionResult[i] = quickUnion.ArrayVisitCount;
weightedQuickUnionResult[i] = weightedQuickUnion.ArrayParentVisitCount + weightedQuickUnion.ArraySizeVisitCount;
quickFind.ResetArrayCount();
quickUnion.ResetArrayCount();
weightedQuickUnion.ResetArrayCount();
}
Draw(quickFindResult, "Quick-Find");
Draw(quickUnionResult, "Quick-Union");
Draw(weightedQuickUnionResult, "Weighted Quick-Union");
}
static void Main(string[] args)
{
var n = 10000;
for (var t = 0; t < 5; t++)
{
var input = ErdosRenyi.Generate(n);
var weightedQuickUnionUF = new WeightedQuickUnionUF(n);
var weightedQuickUnionPathCompressionUF = new WeightedQuickUnionPathCompressionUF(n);
Console.WriteLine("N:" + n);
var weightedQuickUnionTime = RunTest(weightedQuickUnionUF, input);
var weightedQuickUnionPathCompressionTime = RunTest(weightedQuickUnionPathCompressionUF, input);
Console.WriteLine("加权 quick-find 耗时（毫秒）：" + weightedQuickUnionTime);
Console.WriteLine("带路径压缩的加权 quick-union 耗时（毫秒）：" + weightedQuickUnionPathCompressionTime);
Console.WriteLine("比值：" + (double)weightedQuickUnionTime / weightedQuickUnionPathCompressionTime);
Console.WriteLine();
n *= 2;
}
}
static void Main(string[] args)
{
var n = 2000;
for (var t = 0; t < 5; t++)
{
var input = ErdosRenyi.Generate(n);
var quickFind = new QuickFindUF(n);
var quickUnion = new QuickUnionUF(n);
Console.WriteLine("N:" + n);
var quickFindTime = RunTest(quickFind, input);
var quickUnionTime = RunTest(quickUnion, input);
Console.WriteLine("quick-find 耗时（毫秒）：" + quickFindTime);
Console.WriteLine("quick-union 耗时（毫秒）：" + quickUnionTime);
Console.WriteLine("比值：" + (double)quickFindTime / quickUnionTime);
Console.WriteLine();
n *= 2;
}
}
