comparestring.cpp

给定两个集合A、B

#include<iostream>
#include<cstdlib>
#include<string>
#include<iomanip>

using namespace std;
 
 int aa[105],bb[105];

int main()
{
    int i,j,k;
    int a,b;
    void fist(int n,int m);
    void second(int a,int b);
    void third(int a,int b);
    cin>>a;               
    for(i=0;i<a;i++)
    {
        cin>>aa[i];
    }
    
    cin>>b;
    
    for(i=0;i<b;i++)
    {
        cin>>bb[i];
    }                         
    
    
    if(a==b)
     { fist(a,b); 
      }
      else if(a<b){second(a,b);}
         else {third(a,b);}

   system("PAUSE");
    return 0;
}         
        
   
   
   void fist(int n,int m)    
     { int i,k,j=0;
       for(i=0;i<n;i++)
         {  for(k=0;k<m;k++)
            {
            if(aa[i]==bb[k])
                j++;
            }
         }
       if(n==j) {cout<<"A equals B";}
       else if(j==0) {cout<<"A and B are disjoint";}
           else cout<<"I'm confused!"; 
       return ;
     }    
       
    
    void second(int n,int m)         
     { int i,k,j=0;
       for(i=0;i<n;i++)
         {  for(k=0;k<m;k++)
            {
               if(aa[i]==bb[k])
                  j++;
                   
            }
         }
        if(n==j) {cout<<"A is a proper subset of B";}
          else if(j==0) {cout<<"A and B are disjoint";}
            else cout<<"I'm confused!"; 
         return ;
      }    
      
      
      
      
      void third(int n,int m)       
     { int i,k,j=0;
       for(i=0;i<m;i++)
         {  for(k=0;k<n;k++)
            {
               if(bb[i]==aa[k])
                  j++;
                   
            }
         }
        if(m==j) {cout<<"B is a proper subset of A";}
          else if(j==0) {cout<<"A and B are disjoint";}
            else cout<<"I'm confused!"; 
         return ;
      }