HDU_1020Encoding

http://acm.hdu.edu.cn/showproblem.php?pid=1020

#include <stdio.h>#include <string.h>#define MAX 10005int main(){    char c,str[MAX];    int n,i,k,len;    scanf("%d",&n);    while(n--)    {              scanf("%s",str);              len=strlen(str);              i=0;              while(i<len)              {                    c=str[i];                    k=i;                    while(c==str[i]&&i<len)                        i++;                    if(i-k>1) printf("%d%c",i-k,c);                    else printf("%c",c);                 }                         printf("\n");    }    return 0;}