程序填空题：单词首字母改大写
阅读程序。
```c++
若输入：How are you? <回车>，以下程序的输出结果是@@[How Are You](5)
#include
void main(void )
{
int word;
char ch;
word=0;
while( (ch=getchar()) != '?' ){
if( ch ==' ' ) word = 0;
else if( word == 0 ){
word = 1;
if( ch<='z' && ch>='a' ) ch = ch-'a'+'A';
}
putchar(ch);
}
return;
}
```
答案：
第1空：How Are You
```c++
若输入：How are you? <回车>，以下程序的输出结果是@@[How Are You](5)
#include
void main(void )
{
int word;
char ch;
word=0;
while( (ch=getchar()) != '?' ){
if( ch ==' ' ) word = 0;
else if( word == 0 ){
word = 1;
if( ch<='z' && ch>='a' ) ch = ch-'a'+'A';
}
putchar(ch);
}
return;
}
```
答案：
第1空：How Are You
