检查HashSet是否是C#中指定集合的适当子集
要检查HashSet是否是指定集合的正确子集，请尝试以下代码-
示例
using System;
using System.Collections.Generic;
public class Demo {
public static void Main(){
HashSet<int> set1 = new HashSet<int>();
set1.Add(70);
set1.Add(100);
set1.Add(125);
set1.Add(150);
Console.WriteLine("Elements in HashSet1");
foreach(int val in set1){
Console.WriteLine(val);
}
HashSet<int> set2 = new HashSet<int>();
set2.Add(30);
set2.Add(60);
set2.Add(70);
set2.Add(80);
set2.Add(100);
set2.Add(125);
set2.Add(150);
set2.Add(200);
Console.WriteLine("Elements in HashSet2");
foreach(int val in set2){
Console.WriteLine(val);
}
Console.WriteLine("Is set1 a proper subset of set2? "+set1.IsProperSubsetOf(set2));
}
}输出结果
这将产生以下输出-
Elements in HashSet1 70 100 125 150 Elements in HashSet2 30 60 70 80 100 125 150 200 Is set1 a proper subset of set2? True
示例
现在让我们来看另一个示例-
using System;
using System.Collections.Generic;
public class Demo {
public static void Main(){
HashSet<int> set1 = new HashSet<int>();
set1.Add(10);
set1.Add(20);
Console.WriteLine("Elements in HashSet1");
foreach(int val in set1){
Console.WriteLine(val);
}
HashSet<int> set2 = new HashSet<int>();
set2.Add(30);
set2.Add(60);
set2.Add(70);
set2.Add(80);
set2.Add(100);
set2.Add(125);
set2.Add(150);
set2.Add(200);
Console.WriteLine("Elements in HashSet2");
foreach(int val in set2){
Console.WriteLine(val);
}
Console.WriteLine("Is set1 a proper subset of set2? "+set1.IsProperSubsetOf(set2));
}
}输出结果
这将产生以下输出-
Elements in HashSet1 10 20 Elements in HashSet2 30 60 70 80 100 125 150 200 Is set1 a proper subset of set2?False
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