360编程题：挑选镇长

#include<iostream>
using namespace std;
typedef struct Relation_
{
	int first;
	int end;
}Re;
typedef struct Leader_
{
	int mun;
	int*pResult;
}Le;
Le GetLeader(int Sum,int M,Re*pRelation)
{
	 int i=0;
	 int*p1=new int [Sum];//biao shi zong ren ren shi de ren
	 int*p2=new int [Sum];//zi ji ren shi bie ren
	 Le mLe;
	 mLe.mun=0;
	 int*pResult=new int[Sum];

	 for(i=0;i<Sum;i++)
	 {
		 p1[i]=p2[i]=0;
	 }
	 for(i=0;i<M;i++)
	 {
		 if(pRelation[i].first!=pRelation[i].end)
		 {
			 p1[pRelation[i].end-1]++;
			 p2[pRelation[i].first-1]=1;
		 }
	 }
	 for(i=0;i<Sum;i++)
	 {
		 if(p2[i]!=1 && p1[i]==Sum-1)
		 {
			 pResult[mLe.mun]=i+1;
			 mLe.mun++;
		 }
	 }
	 mLe.pResult=pResult;
	 if(p1!=NULL)
	 delete []p1;
	 if(p2!=NULL)
	 delete []p2;
	 return mLe;
} 
void GetResult()
{
	int T;
	cout<<"请输入将要測试几组数据:"<<endl;
	cin>>T;
	int i;
	int Sum;
	int M;
	int first,end;
	for(i=0;i<T;i++)
	{
		cout<<"第 "<<i+1<<" 组数据："<<endl;
		cout<<"总人数：";
		cin>>Sum;
		cout<<"关系对数：";
		cin>>M;
		cout<<"例如以下："<<endl;
		Re* pRelation=new Re[M];
		int j;
		//for(j=0;j<Sum;j++)pRelation[j].first=pRelation[j].end=0;

		for(j=0;j<M;j++)
		{
			cin>>first>>end;
			pRelation[j].first=first;
			pRelation[j].end=end;
		}
		cout<<"镇长："<<endl;
		Le mLe=GetLeader(Sum,M,pRelation);
		cout<<"候选人数："<<mLe.mun<<endl;
        cout<<"镇长为：";
		for(j=0;j<mLe.mun;j++)cout<<mLe.pResult[j]<<" ";
		//cout<<endl;
		if(mLe.pResult!=NULL)delete []mLe.pResult;
		if(pRelation!=NULL)delete []pRelation;
		cout<<endl;
	}
}
int main()
{
	GetResult();
	return 0;
}