UVA_445:Marvelous Mazes

Language:C++ 4.8.2

#include<stdio.h>
#include<string.h>
#include<ctype.h>
int main(void)
{
    char str[140];
    int sum;
    while(1)
    {
        if(fgets(str, sizeof(str), stdin) == NULL)
            break;
        if(str[0] == ‘\n‘)
        {
            printf("\n");
            continue;
        }
        else // 处理读入行
        {
            int i = 0;
            while(i < strlen(str))
            {
                if(str[i] == ‘!‘)
                {
                    printf("\n");
                    i++;
                }
                sum = 0;
                while(isdigit(str[i]))
                    sum += str[i++] - ‘0‘;
                for(int j = 0; j < sum; j++)
                    printf("%c", str[i] ==  ‘b‘ ? ‘ ‘ : str[i]); // 最好用if.else，懒得改了:-
                i++; // 缺少此行的话，该程序陷入死循环
            }
            printf("\n");
        }

    }
    return 0;
}