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Butterfly__qwq楼主2022/3/19 16:11

#1#2AC

#3#4#5WA

#6#7#8RE

#include<bits/stdc++.h>
using namespace std;
unsigned long long f[(int)1e7+1];
unsigned long long fastmmul(unsigned long long a,unsigned long long n)
{
	unsigned long long chu,yu,ans;
	if(a==0)return 0;
    if(a==1)return 1;
	if(n==0)return 1;
	if(n==1)return a;
	if(f[n])return f[n];
	chu=fastmmul(a,n/2);
	yu=fastmmul(a,n%2);
	ans=chu*chu*yu;
	f[n]=ans;
	return ans;
}
int main()
{
	unsigned long long a,n,ans,q;
	cin>>a>>n>>q;
	if(a==0&&n==0)
	{
		cout<<"wyy";
		return 0;
	}
	ans=fastmmul(a,n);
	cout<<a<<'^'<<n<<" mod "<<q<<'='<<ans%q;
}
2022/3/19 16:11
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