數(shù)據(jù)結(jié)構(gòu)與算法(C#完成)系列---演示篇(3)
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[摘要]數(shù)據(jù)結(jié)構(gòu)與算法(C#實(shí)現(xiàn))系列---演示篇(三) Heavenkiller(原創(chuàng)) public static void ShowSortedList_Polynomial() //...
數(shù)據(jù)結(jié)構(gòu)與算法(C#實(shí)現(xiàn))系列---演示篇(三)
Heavenkiller(原創(chuàng))
public static void ShowSortedList_Polynomial()
{
//100+10*x+x^2 + 1+10*x+100x^2
SortedList tmpListA=new SortedList();
SortedList tmpListB=new SortedList();
SortedList tmpListC=new SortedList();//used to store the result
SortedList tmpKeyList=new SortedList();//used to store all keys of two polynomials
//init polynomial A and show it
tmpListA.Add(0,100);
tmpListA.Add(1,10);
tmpListA.Add(2,1);
ShowSortedList_ShowPolynomial("tmpListA",tmpListA.GetEnumerator());
//init polynomial B and show it
tmpListB.Add(0,1);
tmpListB.Add(1,10);
tmpListB.Add(2,100);
ShowSortedList_ShowPolynomial("tmpListB",tmpListB.GetEnumerator());
//init the key list which contains all keys of A and B but everyone once
IDictionaryEnumerator tmpIDic=tmpListA.GetEnumerator();
while(tmpIDic.MoveNext()!=false)
{
if(!tmpKeyList.ContainsKey(tmpIDic.Key))
{
tmpKeyList.Add(tmpIDic.Key,null);
}
}
tmpIDic=tmpListB.GetEnumerator();
while(tmpIDic.MoveNext()!=false)
{
if(!tmpKeyList.ContainsKey(tmpIDic.Key))
{
tmpKeyList.Add(tmpIDic.Key,null);
}
}
//Add A and B and show the result
tmpIDic=tmpKeyList.GetEnumerator();
while(tmpIDic.MoveNext()!=false)
{
object objA=null,objB=null,objC=null;
objC=tmpIDic.Key;
if(tmpListA.ContainsKey(objC))
objA=tmpListA[objC];
if(tmpListA.ContainsKey(objC))
objB=tmpListB[objC];
//objC=objA+objB;
//tmpKeyList[objC]=(int)objA+(int)objC;
tmpListC.Add(objC,(int)objA+(int)objB);
}
ShowSortedList_ShowPolynomial("the addition result of A and B",tmpListC.GetEnumerator());
}
public static void ShowSortedList_ShowPolynomial(string tip,IDictionaryEnumerator iDic)
{
string strExpress=null;
iDic.Reset();
while(iDic.MoveNext()!=false)
{
strExpress+=iDic.Value.ToString()+"*X^"+iDic.Key.ToString()+"+";
}
Console.WriteLine(tip+":"+strExpress);
}
}
