吃雪糕
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Background
如此炎热的夏天,有雪糕吃可以说是非常幸福的,但是随着雪糕刺客的出现,再也不敢乱买雪糕了,这时候朋友的作用来啦!朋友非常good,提供了一串字符,说里面是他能够请的最大雪糕数。
Description
输入一串字符串s(0< s <=25),统计字符串中的的质数个数n,注意只统计个位数字也就是(0~9),详细见样例解释
Format
Input
一串混合字符串s.
Output
如果n>0,输出质数个数,同时输出"xiexielaoban!";如果n=0,则输出"qionggui+1".
Samples
xisb1hu3bjb2buib900
2
xiexielaoban!
提示
对于样例出现的数字为,1,3,2,9,0,0其中质数为,2,3一共两个,注意只统计个位数字
Limitation
1s, 1024KiB for each test case.
ACM21级内卷赛验题
- Status
- Done
- Rule
- ACM/ICPC
- Problem
- 18
- Start at
- 2022-8-18 18:30
- End at
- 2022-8-29 18:30
- Duration
- 264 hour(s)
- Host
- Partic.
- 1