No.8023 Just Primality Testing
レベル :
/ 実行時間制限 : 1ケース 1.000秒 / メモリ制限
: 128 MB / スペシャルジャッジ問題 (複数の解が存在する可能性があります)
タグ : / 解いたユーザー数 138
作問者 :
mai
タグ : / 解いたユーザー数 138
作問者 :
問題文最終更新日: 2020-04-03 12:46:44
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Problem Statement
A natural number $N$ is given from standard input.
Print "YES" if $N$ is prime, and "NO" if it is not prime.
However, your submitted code must not contain any of the following characters or strings.
- The digits 0,1,2,3,4,5,6,7,8,9
- The symbols +-*/
- The string prime (case-insensitive)
Note: Due to these restrictions, there are languages in which submission is absolutely impossible. (e.g. brainfuck)
Check carefully for things such as "#include <bits/stdc++.h>", "//", "/* ... */", and "return 0;".
Input
N
$1 \le N \le 1000$
Output
Print "YES" if $N$ is prime, and "NO" if it is not prime.
Print a newline at the end.
Sample
Sample 1
Input
1
Output
NO
1 is not prime.
Sample 2
Input
57
Output
NO
The Grothendieck prime is not prime.
Sample 3
Input
2
Output
YES
2 is even, but it is prime.
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