集合是具有共同属性（共性）而又能互相区别（个性）的多个...

','W','X','Y','Z','a','b','c','d'};Р?set s,s1,s2,s3,s4;Р?ErrCode b;Р?for(i=0;i<10;i++){Р b=s.AddElem(ch[i]);Р b=s1.AddElem(ch[2*i]);Р b=s2.AddElem(ch[3*i]);Р?}Р?cout<<"s";Р?s.print();Р?cout<<"s1";Р?s1.print();Р?cout<<"s2";Р?s2.print();Р?s3=s.Intersect(s1);Р?s4=s.Union(s1);Р?cout<<"s3";Р?s3.print();Р?cout<<"s4";Р?s4.print();?Р?if(s3.Contain(s4)) cout<<"Set s3 contains s4"<<endl;Р?else cout<<"Set s3 do not contains s4"<<endl;Р?if(s4.Contain(s3)) cout<<"Set s4 contains s3"<<endl;Р?else cout<<"Set s4 do not contains s3"<<endl;Р?if(s3.Equal(s4)) cout<<"Set s3=s4"<<endl;Р?else cout<<"Set s3!=s4"<<endl;Р?for(i=6;i<10;i++){Р s.RmvElem(ch[i]);Р s1.RmvElem(ch[i]);Р s2.RmvElem(ch[i]);Р?}Р?cout<<"删除部分元素后:"<<endl;Р?cout<<"s";Р?s.print();Р?cout<<"s1";Р?s1.print();Р?cout<<"s2";Р?s2.print();?Р?return 0;Р}