基于统计的压缩算法：游程编码

 1 #include <stdio.h>
 2 #include <string.h>
 3 int main()
 4 {
 5     char textBefore[100] ="dfffffeeeeettttrrrrttttt";
 6     char textAfter[100];
 7     memset(textAfter,0,sizeof(textAfter));
 8 
 9     char c;
10     int num,i,j;
11     for(i=0;i<strlen(textBefore);){
12         c   = textBefore[i];    ///临时保存字符
13         num = 1;    ///保存个数
14         for(j=i+1;j<strlen(textBefore);j++){
15             if(c == textBefore[j])
16                 num++;
17             else
18                 break;
19         }
20         i = j;
21 
22         sprintf(textAfter,"%s%c",textAfter,c);
23         sprintf(textAfter,"%s%d",textAfter,num);
24     }
25     printf("textBefore : %s\n",textBefore);
26     printf("textAfter  : %s\n",textAfter);
27     return  0;
28 }