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分类: C/C++

2010-12-24 10:43:51


#include
#include
#include
#define L 50 /*
定义哈希表长*/
#define M 47  /*
定义p*/
#define N 30   /*
定义名单长*/
char z[22];
struct old{char *name;char *py;int k;};
struct old oldlist[L];/*
原始表*/
struct  hterm
{ char *name;char *py;
int k;int si;
};
struct hterm hlist[L];/*
哈希表*/
int i,adr,sum,d;
char ch1;
float average;
/**********************************/
void chash()
{for (i=0;i     {hlist[i].name="";
      hlist[i].py="";
      hlist[i].k=0;
      hlist[i].si=0;
     };
 for (i=0;i     { sum=0;
     adr=(oldlist[i].k)%M;
     d=adr;
     if(hlist[adr].si==0)
       {hlist[adr].k=oldlist[i].k;
        hlist[adr].name=oldlist[i].name;
        hlist[adr].py=oldlist[i].py;
        hlist[adr].si=1;
       }
     else
       {do
   {d=(d+((oldlist[i].k))%10+1)%M;/*
伪随机*/
           sum=sum+1;
          }
        while (hlist[d].k!=0);
        hlist[d].k=oldlist[i].k;
        hlist[d].name=oldlist[i].name;
        hlist[d].py=oldlist[i].py;
        hlist[d].si=sum+1;
       }
  }
}

/***************************************/
void findhlist()
{ int s0;char r,g;
  clrscr();/*
清屏*/
  for (r=0;r<20;r++){z[r]=0;};
   gotoxy(1,1);printf("
查找:copyright by 姚建飞 2003.6");
 gotoxy(5,10);printf("
请拼音后回车!");
 gotoxy(5,12);scanf("%s",z);
      s0=0;
      for (r=0;r<20;r++){s0=z[r]+s0;};
  gotoxy(5,13);    printf("%d",s0);
 /*for (i=0;i      sum=1;
     adr=s0%M;
    d=adr;
     if(hlist[adr].k==s0)
       {
        gotoxy(18,18);printf("              ");
               gotoxy(18,18);printf("%s",hlist[d].name);
               gotoxy(18,19);printf("%s",hlist[d].py);
                  gotoxy(18,20);
                      printf("
搜索 %d ",sum);
            getch();
       }
     else
       {if (hlist[adr].k==0)
            {gotoxy (18,18);
             printf("
无记录!                     ");
             getch();
            }
        else
            {g=0;
             for (i=0;g==0;i++)
          {d=(d+s0%10+1)%M;   /*
伪随机*/
                  sum=sum+1;
                  if (hlist[d].k==0)
                     {gotoxy (18,18);
                      printf("
无记录!                 ");
                      g=1;getch();
                     };
                  gotoxy(18,18);
                      printf("%s",hlist[d].name);
                      gotoxy(18,19);
                      printf("%s",hlist[d].py);
                      gotoxy(18,20);
                      printf("
搜索 %d ",sum);
                      getch();
                  if (hlist[d].k==s0)
                     {   g=1;
                      gotoxy(18,21);
                     printf("
搜索 %d 次成功!",sum);
                      getch();
                     };
                 };

                };

       };

}


/***************************************/
void inp() /*
输入表*/
{
 char *f;
 int r,s0;

 oldlist[0].name="桂芳芳";oldlist[0].py="guifanfan";
 oldlist[1].name="
姚建飞";oldlist[1].py="yaojianfei";
 oldlist[2].name="
杨扬";oldlist[2].py="yangyang";
 oldlist[3].name="
朱玉环";oldlist[3].py="zhuyuhuang";
 oldlist[5].name="
陈曦";oldlist[5].py="chenxi";
 oldlist[6].name="
张雷";oldlist[6].py="zhanglei";
 oldlist[7].name="
盛永海";oldlist[7].py="shenyonghai";
 oldlist[8].name="
陈道全";oldlist[8].py="chengdaoquan";
 oldlist[9].name="
陆道清";oldlist[9].py="ludaoqing";
 oldlist[10].name="
龚云祥";oldlist[10].py="gongyunxiang";
 oldlist[11].name="
孙振兴";oldlist[11].py="sunzhenxing";
 oldlist[12].name="
孙容飞";oldlist[12].py="sunrongfei";
 oldlist[13].name="
孙明龙";oldlist[13].py="sunminglong";
 oldlist[14].name="
张浩";oldlist[14].py="zhanghao";
 oldlist[15].name="
田苗";oldlist[15].py="tianmiao";
 oldlist[16].name="
姚建中";oldlist[16].py="yaojianzhong";
 oldlist[17].name="
姚建清";oldlist[17].py="yaojianqing";
 oldlist[18].name="
姚建华";oldlist[18].py="yaojianhua";
 oldlist[19].name="
张海峰";oldlist[19].py="yaohaifeng";
 oldlist[20].name="
陈言号";oldlist[20].py="chengyanhao";
 oldlist[21].name="
姚秋锋";oldlist[21].py="yaoqiufeng";
 oldlist[22].name="
钱鹏程";oldlist[22].py="qianpengcheng";
 oldlist[23].name="
姚海峰";oldlist[23].py="yaohaifeng";
 oldlist[24].name="
卞艳";oldlist[24].py="bianyan";
 oldlist[25].name="
凌蕾";oldlist[25].py="linglei";
 oldlist[26].name="
李伟";oldlist[26].py="liwei";
 oldlist[27].name="
黄海燕";oldlist[27].py="huanhaiyan";
 oldlist[28].name="
刘殿琴";oldlist[28].py="liudianqin";
 oldlist[29].name="
李云";oldlist[29].py="liyun";

/*
请在此输入数据,同时修改程序开头的 M L N

 

 

*/
for (i=0;i     {
 s0=0;
        f=oldlist[i].py;

        for (r=0;*(f+r) != '\0';r++){s0=*(f+r)+s0;};

        oldlist[i].k=s0;


     };

}

 

/****************************************/
void  dhash() /*
显示哈希表*/
{  char LON=17;
   clrscr();
   if (LON>L){LON=L;};
   gotoxy(1,1);printf("
哈希表:copyright by 姚建飞 2003.6");
   gotoxy(1,2);printf("
地址:");
   for(i=0;i      {gotoxy(1,i+3);
       printf("%-3d",i);
      };
   gotoxy(9,2);printf("
关键字:");
   for(i=0;i      {gotoxy(10,i+3);
       printf("%-6d",hlist[i].k);
      };
   gotoxy(19,2);printf("
姓名:");
   for(i=0;i      {gotoxy(19,3+i);
       printf("%s",hlist[i].name);
      };
  gotoxy(28,2);printf("
拼音:");
   for(i=0;i      {gotoxy(28,i+3);
       printf("%s",hlist[i].py);
      };
   gotoxy(40,2);printf("
搜索长度:");
   for(i=0;i      {gotoxy(43,i+3);
       printf("%2d",hlist[i].si);
      };
  gotoxy(53,2);printf("H(key):");
   for(i=0;i      {gotoxy(53,i+3);
       printf("%2d",(hlist[i].k)%M);
      };
   average=0;
   for (i=0;i       {average=average+hlist[i].si;};
   average=average/N;
   gotoxy(10,23);
  printf("
平均搜索长度:ASL(%d)=%f",N,average);

 gotoxy(20,24);
  printf("
任意键下一屏!");
  ch1=getch();


    if (L>15)
    {
   clrscr();
   if (LON>L-15){LON=L-15;};
    gotoxy(1,1);printf("
哈希表:copyright by 姚建飞 2003.6");
    gotoxy(1,2);printf("
地址:");
    for(i=0;i       {gotoxy(1,i+3);
        printf("%-3d",i+15);
       };
    gotoxy(9,2);printf("
关键字:");
    for(i=0;i       {gotoxy(10,i+3);
        printf("%-6d",hlist[i+15].k);
       };
    gotoxy(19,2);printf("
姓名:");
    for(i=0;i       {gotoxy(19,3+i);
        printf("%s",hlist[i+15].name);
       };
    gotoxy(28,2);printf("
拼音:");
    for(i=0;i       {gotoxy(28,i+3);
       printf("%s",hlist[i+15].py);
       };
    gotoxy(40,2);printf("
搜索长度:");
    for(i=0;i       {gotoxy(43,i+3);
        printf("%2d",hlist[i+15].si);
       };
    gotoxy(53,2);printf("H(key):");
    for(i=0;i       {gotoxy(53,i+3);
        printf("%2d",(hlist[i+15].k)%M);
       };
    average=0;
    for (i=0;i        {average=average+hlist[i].si;};
    average=average/N;
    gotoxy(10,23);
    printf("
平均搜索长度:ASL(%d)=%f",N,average);

    gotoxy(20,24);
    printf("
任意键下一屏!   ");
    ch1=getch();
      };
    if (L>30)
    {
   clrscr();
   if (LON>L-30){LON=L-30;};
    gotoxy(1,1);printf("
哈希表:copyright by 姚建飞 2003.6");
    gotoxy(1,2);printf("
地址:");
    for(i=0;i       {gotoxy(1,i+3);
        printf("%-3d",i+30);
       };
    gotoxy(9,2);printf("
关键字:");
    for(i=0;i       {gotoxy(10,i+3);
        printf("%-6d",hlist[i+30].k);
       };
    gotoxy(19,2);printf("
姓名:");
    for(i=0;i       {gotoxy(19,3+i);
        printf("%s",hlist[i+30].name);
       };
    gotoxy(28,2);printf("
拼音:");
    for(i=0;i       {gotoxy(28,i+3);
       printf("%s",hlist[i+30].py);
       };
    gotoxy(40,2);printf("
搜索长度:");
    for(i=0;i       {gotoxy(43,i+3);
        printf("%2d",hlist[i+30].si);
       };
    gotoxy(53,2);printf("H(key):");
    for(i=0;i       {gotoxy(53,i+3);
        printf("%2d",(hlist[i+30].k)%M);
       };
    average=0;
    for (i=0;i        {average=average+hlist[i].si;};
    average=average/N;
    gotoxy(10,23);
    printf("
平均搜索长度:ASL(%d)=%f",N,average);

    gotoxy(20,24);
    printf("
任意键下一屏!   ");
    ch1=getch();
    };
    if (L>45)
    {
    clrscr();
    if (LON>L-45){LON=L-45;};
    gotoxy(1,1);printf("
哈希表:copyright by 姚建飞 2003.6");
    gotoxy(1,2);printf("
地址:");
    for(i=0;i       {gotoxy(1,i+3);
        printf("%-3d",i+45);
       };
    gotoxy(9,2);printf("
关键字:");
    for(i=0;i       {gotoxy(10,i+3);
        printf("%-6d",hlist[i+45].k);
       };
    gotoxy(19,2);printf("
姓名:");
    for(i=0;i       {gotoxy(19,3+i);
        printf("%s",hlist[i+45].name);
       };
    gotoxy(28,2);printf("
拼音:");
    for(i=0;i       {gotoxy(28,i+3);
       printf("%s",hlist[i+45].py);
       };
    gotoxy(40,2);printf("
搜索长度:");
    for(i=0;i       {gotoxy(43,i+3);
        printf("%2d",hlist[i+45].si);
       };
    gotoxy(53,2);printf("H(key):");
    for(i=0;i       {gotoxy(53,i+3);
        printf("%2d",(hlist[i+45].k)%M);
       };
    average=0;
    for (i=0;i        {average=average+hlist[i].si;};
    average=average/N;
    gotoxy(10,23);
    printf("
平均搜索长度:ASL(%d)=%f",N,average);

    gotoxy(20,24);
    printf("
任意键返回!   ");
    ch1=getch();
    };

}
/**************************************/
void main()
  {inp();   /*
输入原表*/
   chash ();/*
建哈希表*/
a: clrscr();
   gotoxy(21,2);
   textcolor(GREEN);
   cprintf("
欢迎使用本程序------------编者:姚建飞");
   printf("\n");
   gotoxy(22, 4);
   textcolor(GREEN);
   cprintf("   1.
显示哈希表");
   printf("\n");
   gotoxy(22, 6);
   textcolor(GREEN);
   cprintf("   2.
查找");
   printf("\n");
   gotoxy(22, 8);
   textcolor(GREEN);
   cprintf("   x.
退出");
   printf("\n");
   gotoxy(22, 12);
   cprintf("
请输入选择: ");
   printf("\n");
   gotoxy(24,14);
   ch1=getch();
   if (ch1==0x78){ textcolor(GREEN);
   cprintf("
谢谢使用本程序,你已经退出本程序!");printf("\n"); exit();};/*"x":退出*/
   if (ch1==0x31){dhash();};/*
表的属性*/
   if (ch1==0x32){ findhlist();};/*
查找*/
     goto a;

  }

文件:hash.rar
大小:5KB
下载:下载
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