HOJ 2603 Look and Say

http://acm.hit.edu.cn/hoj/problem/view?id=2603

#include <stdio.h>#include <string.h>int main(){    int cases, n, len, i;    char number[1024];    scanf("%d", &cases);    getchar();    while (cases--)    {        gets(number);        len = strlen(number);        for (i = 0; i < len; i++)        {            n = 1;            while (number[i] == number[i+1] )            {                n++;                i++;            }            printf("%d%c", n, number[i]);        }        printf("\n");    }        return 0;}