hdu2026(water~~)

http://acm.hdu.edu.cn/showproblem.php?pid=2026

 #include<iostream>
 #include<stdio.h>
 #include<math.h>
 #include<string.h>
 #include<stdlib.h>
 using namespace std;

 int main()
 {
     //freopen("in.txt","r",stdin);
     char a;
     int count=;
     while(~scanf("%c",&a))
     {
         if(a=='\n')
         {
             count=;
             printf("\n");
             continue;
         }
         else if(a==' ')
         count=;
         if(a>='a' && a<='z' && count==)
         {
             a-=;
             count=;
         }
         printf("%c",a);
     }
     return ;
 }