用C++写的五子棋代码（基于DOS界面）

#include<iostream>
#include<cstdlib>
using namespace std;
const char outstr[11][4]={"┌","┬","┐","├","┼","┤","└","┴","┘","○","●"};
int com[15][15],luozi[15][15],c,d;

void jushi()                                   //这是判断落子重要性的函数
{
      int x,y,i,m,n,lianzi1=0,lianzi2=0,life=0;
      memset(com,0,sizeof(com));
      for(x=0;x<=14;x++)
      for(y=0;y<=14;y++)
      {
          if(luozi[x][y]==0)
          {
              for(m=-1;m<=1;m++)
              for(n=-1;n<=1;n++)
              {
              if(m!=0 || n!=0)
              {      
                      for(i=1;i<=4;i++)
                      {
                           if( x+i*m>=0 && x+i*m<=14 && y+i*n>=0 && y+i*n<=14 && luozi[x+i*m][y+i*n]==1 )
                           {lianzi1++;}
                           else
                           if(luozi[x+i*m][y+i*n]==0)
                           {life++; break;}
                           else
                           {break;}
}                   
                      for(i=-1;i>=-4;i--)
                      {
                           if( x+i*m>=0 && x+i*m<=14 && y+i*n>=0 && y+i*n<=14 && luozi[x+i*m][y+i*n]==1 )
                           {lianzi1++;}
                           else
                           if(luozi[x+i*m][y+i*n]==0)
                           {life++; break;}
                           else
                           {break;}
                      }
                      if(lianzi1==1)    {com[x][y]+=1;}
                      else if(lianzi1==2)
                               {
                                    if(life==1)   {com[x][y]+=5;}
                                    else if(life==2)   {com[x][y]+=10;}
}
                      else if(lianzi1==3)
                               {
                                    if(life==1)   {com[x][y]+=20;}
                                    else if(life==2)   {com[x][y]+=100;}
                               }
                      else if(lianzi1==4)    {com[x][y]+=500;}
                      life=0;        
                      for(i=1;i<=4;i++)
                      {
                           if( x+i*m>=0 && x+i*m<=14 && y+i*n>=0 && y+i*n<=14 && luozi[x+i*m][y+i*n]==2 )
                           {lianzi2++;}
                           else
                           if(luozi[x+i*m][y+i*n]==0)
                           {life++; break;}
                           else
                           {break;}
}                   
                      for(i=-1;i>=-4;i--)
                      {
                           if( x+i*m>=0 && x+i*m<=14 && y+i*n>=0 && y+i*n<=14 && luozi[x+i*m][y+i*n]==2 )
                           {lianzi2++;}
                           else
                           if(luozi[x+i*m][y+i*n]==0)
                           {life++; break;}
                           else
                           {break;}
                      }
                      if(lianzi2==1)    {com[x][y]+=2;}
                      else if(lianzi2==2)
                      {
                                    if(life==1)   {com[x][y]+=8;}
                                    else if(life==2)   {com[x][y]+=30;}
                      }
else if(lianzi2==3)
                      {
                                    if(life==1)   {com[x][y]+=50;}
                                    else if(life==2)   {com[x][y]+=200;}
                      }
                      else if(lianzi2==4)    {com[x][y]+=1000;}
                      lianzi1=0;
                      lianzi2=0;
                      life=0;
              }
              }
          }   
      }                    
}
void computer(int a[15][15])           //这是电脑落子的函数
{
      int i,j,max=0;
      jushi();
      for(i=0;i<=14;i++)
      for(j=0;j<=14;j++)
      {
          if(com[i][j]>max)
          {
                     max=com[i][j];
                     c=i;
                     d=j;
          }
      }
      a[c][d]=10;
      luozi[c][d]=2;
}

int panduan(int x,int y,int sum)         //判断胜负的函数
{
     int m,n,i,lianzi=0;
              for(m=-1;m<=1;m++)
              for(n=-1;n<=1;n++)
              {
              if(m!=0 || n!=0)
              {
                      for(i=1;i<=4;i++)
                      {
                           if( x+i*m>=0 && x+i*m<=14 && y+i*n>=0 && y+i*n<=14 && luozi[x+i*m][y+i*n]==sum )
                           {lianzi++;}
                           else
                           {break;}
                      }                   
                      for(i=-1;i>=-4;i--)
                      {
                           if( x+i*m>=0 && x+i*m<=14 && y+i*n>=0 && y+i*n<=14 && luozi[x+i*m][y+i*n]==sum )
                           {lianzi++;}
                           else
                           {break;}
                      }
                      if(lianzi>=4)

{
                      return 1;
                      }
                      else
                      {
                      lianzi=0;
                      }
              }
              }
              return 0;  
}

int main()              //主函数 ，主要进行人落子工作
{
 system ("color 2f");
 system ("mode con cols=50 lines=25");
 system ("title 欢迎使用！");
     int a[15][15]={0,1,1,1,1,1,1,1,1,1,1,1,1,1,2,
                    3,4,4,4,4,4,4,4,4,4,4,4,4,4,5,
                    3,4,4,4,4,4,4,4,4,4,4,4,4,4,5,
                    3,4,4,4,4,4,4,4,4,4,4,4,4,4,5,
                    3,4,4,4,4,4,4,4,4,4,4,4,4,4,5,
                    3,4,4,4,4,4,4,4,4,4,4,4,4,4,5,
                    3,4,4,4,4,4,4,4,4,4,4,4,4,4,5,
                    3,4,4,4,4,4,4,4,4,4,4,4,4,4,5,
                    3,4,4,4,4,4,4,4,4,4,4,4,4,4,5,
                    3,4,4,4,4,4,4,4,4,4,4,4,4,4,5,
                    3,4,4,4,4,4,4,4,4,4,4,4,4,4,5,
                    3,4,4,4,4,4,4,4,4,4,4,4,4,4,5, 
                    3,4,4,4,4,4,4,4,4,4,4,4,4,4,5,
                    3,4,4,4,4,4,4,4,4,4,4,4,4,4,5,
                    6,7,7,7,7,7,7,7,7,7,7,7,7,7,8};
     int x,y,i,j;
     memset(luozi,0,sizeof(luozi));
     cout<<" 0 1 2 3 4 5 6 7 8 9 10 1 2 3 4"<<endl;
     for(i=0;i<=14;i++)
     {
                 if(i!=0)
                 cout<<endl;
                 cout<<i%10;
                 for(j=0;j<=14;j++)
                 {
cout<<outstr[a[i][j]];
                 }
     }
     cout<<endl;
     cout<<"请输入您要下的棋子 行\\列 用空格隔开:";          
     while(cin>>x>>y)
     {
         if(luozi[x][y]==0 && x>=0 && x<=14 && y>=0 && y<=14)
         {
             a[x][y]=9;
             luozi[x][y]=1;
             if(panduan(x,y,1)==0)
             {
                system ("cls");
                computer(a);
                if(panduan(c,d,2)==0)
                {
                cout<<" 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4"<<endl;
                for(i=0;i<=14;i++)
                {
                 if(i!=0)
                 cout<<endl;
                 cout<<i%10;
                 for(j=0;j<=14;j++)
                 {
                     cout<<outstr[a[i][j]];
                 }
                }
                cout<<endl;
    cout<<"您的棋子落在"<<x<<"行"<<" "<<y<<"列"<<endl;
                cout<<"电脑的棋子落在"<<c<<"行"<<" "<<d<<"列"<<endl;
    cout<<"请输入您要下的棋子";  
                }
                else
                {
                cout<<" 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4"<<endl;
                for(i=0;i<=14;i++)
                {
                 if(i!=0)
                 cout<<endl;
                 cout<<i%10;
                 for(j=0;j<=14;j++)
                 {
                     cout<<outstr[a[i][j]];
                 }
                }
                cout<<endl;
                cout<<"电脑的棋子落在"<<c<<"行"<<" "<<d<<"列"<<endl;
                cout<<"电脑获胜!"<<endl;
                break;
                }
                }
             else
             {
             system ("cls");                 //清屏
                 cout<<" 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4"<<endl;
                for(i=0;i<=14;i++)
                {
                 if(i!=0)
                 cout<<endl;
                 cout<<i%10;
                 for(j=0;j<=14;j++)
                 {
                     cout<<outstr[a[i][j]];
                 }
                }
                cout<<endl;
                cout<<"您获胜啦!"<<endl;
                break;
             }
         }
         else
         {
             cout<<"输入错误，请重新输入:"<<endl;
         }    
     }
  system ("title 谢谢使用！");
  system ("color 03");
  cout<<"谢谢使用"<<endl;
     system("pause>nul");
     return 0;
}