[HackerEarth] Micro just learned about prime numbers. But he quickly got bored of them, so he defined a new kind of numbers and called them Prime Prime Numbers. A number X is Prime Prime if number of - 题解

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题目信息
题号 P21562
标题 [HackerEarth] Micro just learned about prime numbers. But he quickly got bored of them, so he defined a new kind of numbers and called them Prime Prime Numbers. A number X is Prime Prime if number of
难度 普及-
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