hdu 2026 首字母变大写

1 #include <stdio.h>
2 int main (void)
3 {
4     int i;
5     char ch[100];
6     while(gets(ch))
7     {
8         for (i=0; ch[i]!='\0'; i++)
9         {
10             if(ch[0]>='a'&&ch[0]<='z')
11                 ch[0]-=32;
12             if (ch[i-1]==' ')
13                 ch[i]-=32;
14         }
15         printf ("%s\n",ch);
16     }
17     return 0;
18 }