定义费马小定理是这样的，对于整数aaa，和质数ppp，如果aaa与ppp互质，那么
Description：Assume that f(0)=1f(0) = 1f(0)=1 and 00=10^0=100=1. f(
求欧拉函数值Code:Code:Code:int phi(int n){ int i, rea = n; for (i = 2; i * i <= n; rea = rea - rea / i; while (n % i == 0)...
Description：Finding the exponent of any number can be very troublesome
Description：Lemon wants to be a hero since he was a child. Recently he is reading a book called “Where Is Hero From” written by
Description： You are given two integers a and m. Calculate the number of integers xxx such that 0≤x<m0≤x<m0≤x<m and gcd(a,m)=gcd(a+x,m).gcd(a,m)=gcd(a+x,m).gcd(a,m)=gcd(a+x,m). Note: gcd(a,b)...
Description： Nick is attracted by everything unconventional. He doesn’t like decimal number system any more, and he decided to study other number systems. A number system with base b caught his attent...
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