**int**** main()**\
**{**\
** ****if****()**\
** printf("Hello ");**\
** ****else**\
** printf("World !!!");**\
** ****return**** 0;**\
**}**\
**//**** 在if里面请写入语句 使得打印出 hello world。**\
\
\
**answer**:\
int main()\
{\
if(puts("hello world"), exit(0), 1)\
printf("Hello ");\
else\
printf("World !!!");\
}