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2009-11-15 22:29:21

刚开始做acm的题目,有点不习惯,代码写的比较乱,不过已经经过验证是正确的了,写写代码对自己还是很有帮助的,坚持,坚持。
#include
#include
struct tel_number
{
 char a[20];
};
struct eight_number
{
 char b[8];
};
struct not_equal
{
 char b[8];
 int count;
};

char change_number(char num)
{
 char real_number;
 switch(num)
 {
  case '0':real_number = '0';break;
  case '1':real_number = '1';break;
  case 'A': case 'B':case 'C': case '2': real_number = '2';break;
  case 'D': case 'E':case 'F': case '3': real_number = '3';break;
  case 'G': case 'H':case 'I': case '4': real_number = '4';break;
  case 'J': case 'K':case 'L': case '5': real_number = '5';break;
  case 'M': case 'N':case 'O': case '6': real_number = '6';break;
  case 'P': case 'R':case 'S': case '7': real_number = '7';break;
  case 'T': case 'U':case 'V': case '8': real_number = '8';break;
  case 'W': case 'X':case 'Y': case '9': real_number = '9';break;
  default: real_number = 'z';
 }
 return real_number;
}
 
int main()
{
 int num,seq_num;
 struct tel_number *seq;
 struct eight_number *real;
 int k,m;
 int count = 0;
 printf("please enter your whole telephone number\n");
 scanf("%d%c",&num,&k); 
 seq = malloc(num*sizeof(struct tel_number));
 real = malloc(num*sizeof(struct eight_number));
 seq_num = 0;
 int old_num = num;
 int not_equal_count = 0;
 while(num)
 {
  int i = 0;
  int j = 0;
  char changed;
  while(scanf("%c", &((seq+seq_num)->a[i])),(seq+seq_num)->a[i] != '\n')
  {
   changed = change_number((seq+seq_num)->a[i]);
  // printf("old is %c new is %c\n",(seq+seq_num)->a[i],changed);
   if(changed != 'z')
   {
    (real+seq_num)->b[j] = changed;
    j++;      
   } 
   i++;  
  }
  num--;
  //printf("num is %d\n",num);
  seq_num++;
 }
 struct not_equal *c = malloc(old_num*sizeof(struct not_equal));
 memset(c,0x0,old_num*sizeof(struct not_equal));
 int c_total_count = 0;
// (c->b) = (real->b);
 memcpy(c->b,real->b,8);
 c->count = 1;
 c_total_count++;
 int i,j;
 for(i = 1; i < old_num; i++)
 for(j = 0; j < c_total_count; j++)
  if(strcmp((real+i)->b,(c+j)->b) == 0)
  {
   (c+j)->count++;
   break;
  }
  else
  {
   if(j == c_total_count-1)
    {
//     (c+j+1)->b = (real+i)->b;
     memcpy((c+j+1)->b,(real+i)->b,8);
     (c+j+1)->count++;
     c_total_count++;
     break;
    }
  } 
 for(j = 0; j < c_total_count; j++)
  if((c+j)->count > 1)
  {
   for(i = 0; i < 3; i++)
    printf("%c",(c+j)->b[i]);
   printf("-");
   for(;i<7;i++)
    printf("%c",(c+j)->b[i]);
   printf(" %d\n",(c+j)->count);
  }
 free(seq);
free(real);
free(c);
 return 0;
}
/*以下没用,只是编写过程中对一些小方面的测试。
#ifdef DEBUG
printf("the value is %d\n",strcmp(real->b,(real+1)->b));
 printf("%s\n",&real->b);
#endif
*/
/*
struct b
{
 int value;
 int count;
};
int cmp(int a ,int b)
{
 if(a == b)
  return 0;
 if(a > b)
  return 1;
 else
  return -1;
}
int main()
{
 int a[10] = {1,1,2,4,5,5,4,3,1,1};
 int i,j;
 struct b *c = malloc(10*sizeof(struct b));
 memset(c,0x0,10*sizeof(struct b));
 int c_total_count = 0;
 c->value = a[0];
 c->count = 1;
 c_total_count++;
 for(i = 1; i < 10; i++)
 for(j = 0; j < c_total_count; j++)
  if(cmp(a[i],(c+j)->value) == 0)
  {
   (c+j)->count++;
   break;
  }
  else
  {
   if(j == c_total_count-1)
    {
     (c+j+1)->value = a[i];
     (c+j+1)->count++;
     c_total_count++;
     break;
    }
  } 
 for(j = 0; j < c_total_count; j++)
  if((c+j)->count > 1)
   printf("%d is %d times\n",(c+j)->value,(c+j)->count);
}
*/
 

 
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