pta编程题答案C语言、pta答案题库答案c语言选择填空题

printfquot%3f\nquot，s；includeintmainintn，count，icount记录个数chars1000scanfquot%dquot，n读取有多少行whilencount=0scanfquot%squot，sfori=0sii++ifsi=#390#39