求调(40pts)
  • 板块P1593 因子和
  • 楼主BestFriend
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  • 发布时间2022/11/16 13:37
  • 上次更新2023/10/27 02:47:54
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求调(40pts)
559506
BestFriend楼主2022/11/16 13:37
#include<bits/stdc++.h>
#pragma G++ optimize(2)
using namespace std;
typedef unsigned long long ll;
const int mod=9901;
inline ll read()
{
    ll x=0;
    int f=1;
    char ch=getchar();
    while(ch<'0'||ch>'9')
    {
        if(ch=='-')
            f=-1;
        ch=getchar();
    }
    while(ch>='0' && ch<='9')
        x=x*10+ch-'0',ch=getchar();
    return x*f;
}
inline void write(ll x)
{
    if(x<0)
        putchar('-'),x=-x;
    if(x>9)
        write(x/10);
    putchar(x%10+'0');
    return;
}
ll q(ll a, ll k)
{
    ll res = 1 ;
    while (k)
    {
        if (k & 1){
        	res = res * a ;
		}
        a = a * a ;
        k >>= 1;
    }
    return res;
}
ll n,m;
int main(){
	n=read(),m=read();
	ll cnt=q(n,m);
	ll ans=0;
	for(long long i=1;i*i<=cnt;i++){
		if(cnt%i==0){
			ll w=cnt/i;
			if(w==i){
				ans=(ans+w)%mod;
			}
			else{
				ans=((ans+i)%mod+w)%mod;
			}
		}
	}
	write(ans);
	return 0;
}
2022/11/16 13:37
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