食物链

#include<iostream>
using namespace std;

class animalword
{
public:
    int ID;
    int X;
    int Y;
    animalword(){};
    animalword(int i,int j,int k){
        ID=i;
        X=j;
        Y=k;}
    ~animalword(){}
    bool judge(int N){
        if((X>N)||(Y>N))
            return false;
        else
            return true;
        }
};

struct True_Word
{
    int X;
    int Y;
    int judge;
};

int main()
{
    int N,K;
    cout<<"input the number of animal and true words:"<<endl;
    cin>>N>>K;
    cout<<endl;

    animalword *word=new animalword[K];
    cout<<"input data:"<<endl;
    for(int i=0;i<K;i++)
    {
        int id,x,y;
        cin>>id>>x>>y;
        word[i].ID=id;
        word[i].X=x;
        word[i].Y=y;
    }
    cout<<"the inputed data is:"<<endl;
    for(int i=0;i<K;i++)
        cout<<word[i].ID<<" "<<word[i].X<<" "<<word[i].Y<<endl;
    
    string s="\0";
    True_Word* true_word=new True_Word[N];
    int num=0;
    for(int i=0;i<K;i++)
    {    
        if(word[i].judge(N))
        {
            int j;
            for(j=0;j<num;j++)
            {
                
                if((true_word[j].X==word[i].X)&&(true_word[j].Y==word[i].Y)&&(true_word[j].judge!=word[i].ID))
                    break;
                else if((true_word[j].X==word[i].Y)&&(true_word[j].Y==word[i].X)&&(true_word[j].judge==word[i].ID))
                    break;
            }
            if(j==num)
            {
                
                true_word[num].X=word[i].X;
                true_word[num].Y=word[i].Y;
                true_word[num].judge=word[i].ID;
                num++;
            }

        }
    }


    
    int false_num=N-num;
    cout<<"the false word number is:"<<false_num<<endl;
    delete [] true_word;
    delete [] word;
    return 0;
}