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#BZOJ4802. 欧拉函数
ID: 27551
Type: Default
1000ms
256MiB
Tried: 0
Accepted: 0
Difficulty: (None)
Uploaded By:
Hydro
欧拉函数
题目描述
已知N,求phi(N)
输入格式
正整数N。N<=10^18
输出格式
输出phi(N)
8
4
f提示
Source
By FancyCoder
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