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Re:各位大佬,我这个已经改到绝望都不知道哪里错了qwq,求助

Posted by cunlidaniang at 2020-04-21 22:34:11 on Problem 1845
In Reply To:各位大佬,我这个已经改到绝望都不知道哪里错了qwq,求助 Posted by:superMB at 2018-12-13 14:54:45
> #include<cmath>
> #include<cstdio>
> #include<bitset>
> #define ll long long
> #define ri register int
> using namespace std;
> template<typename TP>inline void read(TP&x)
> {
>     x=0;int f=1;char c=getchar();
>     while(c>'9'||c<'0'){if(c=='-')f=-1;c=getchar();}
>     while(c>='0'&&c<='9'){x=(x<<1)+(x<<3)+(c^48);c=getchar();}
>     x*=f;
> }
> template<typename TP>inline void print(TP x)
> {
>     if(x<0)x=-x,putchar('-');
>     if(x>=10)print(x/10);
>     putchar(x%10+'0');
> }
> ll prime[66666],size;
> bitset<66666>flag;
> inline void make_prime(ll x)
> {
>     for(int i=2;i<=x;++i)
>     {
>         if(!flag[i]) prime[++size]=i;
>         for(int j=1;j<=size&&prime[j]*i<=x;++j)
>         {
>             flag[prime[j]*i]=1;
>             if(!(i%prime[j]))break;
>         }
>     }
> }
> ll st[66666][2],cnt;
> inline void devide(ll x)
> {
> 	for(ri i=1;i<=size;++i)
> 		if(x%prime[i]==0)
> 		{
> 			st[++cnt][0]=prime[i];
> 			while(x%prime[i]==0)
> 				++st[cnt][1],x/=prime[i];
> 		}
> 	if(x!=1) st[++cnt][0]=x,++st[cnt][1];
> }
> inline ll Pow(ll x,ll y,ll mod)
> {
>     ll ans=1;
>     for(ll i=y;i;i>>=1)
>     {
>         if(i&1)ans=ans*x%mod;
>         x=x*x%mod;
>     }
>     return ans%mod;
> }
> ll ans=1;
> ll a,b;
> inline void get_ans()
> {
> 	for(ri i=1;i<=cnt;++i)
> 	{
> 	 	if((st[i][0]-1)%9901)
> 			ans=ans*(Pow(st[i][0],st[i][1]*b+1,9901)-1)*Pow(st[i][0]-1,9899,9901)%9901;
> 		else ans=ans*(st[i][1]+1)%9901;
> 	}
> }
> int main()
> { 
> 	read(a),read(b);
> 	make_prime(sqrt(a)+1);
> 	devide(a);
> 	get_ans();
> 	print(ans);
> 	return 0;
> }

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