求助dalaoQAQ
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求助dalaoQAQ
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Ame__楼主2020/8/10 10:56

感觉柿子应该没有推错,样例过了但是全wa

#include<bits/stdc++.h>
    
#define LL long long
    
#define _ 0

#define int long long

using namespace std;
    
/*Grievous Lady*/
    
template <typename T> void read(T & t){
    t = 0;int f = 1;char ch = getchar();
    while(ch < '0' || ch > '9'){if(ch == '-')f =- 1;ch = getchar();}
    do{t = t * 10 + ch - '0';ch = getchar();}while(ch >= '0' && ch <= '9');t *= f;
}
    
#define mod 1000000007

const int kato = 1e6 + 10;

inline LL quick_pow(LL a , LL b){
    LL res = 1;
    for(; b ; b >>= 1 , a = a * a % mod){
        if(b & 1){
            res = res * a % mod;
        }
    }
    return res % mod;
}

LL prime[kato] , cnt , f[kato] , invf[kato] , yuni[kato] , mu[kato];

bool ispri[kato];

inline void get_yuni(){
    for(int i = 2;i <= kato - 10;i ++){
        if(!ispri[i]){
            prime[++ cnt] = i;
            mu[i] = -1;
        }
        for(int j = 1;j <= cnt && i * prime[j] <= kato - 10;i ++){
            ispri[i * prime[j]] = 1;
            if(i % prime[j] == 0){
                break;
            }
            mu[i * prime[j]] = -mu[i];
        }
    }
    for(int i = 2;i <= kato - 10;i ++){
        f[i] = (f[i - 1] + f[i - 2]) % mod;
        invf[i] = quick_pow(f[i] , mod - 2);
        yuni[i] = 1;
    }
    for(int d = 1;d <= kato - 10;d ++){
        if(mu[d] == 1){
            for(int Q = d , cnt = 1;Q <= kato - 10;Q += d , cnt ++){
                yuni[Q] = yuni[Q] * f[cnt] % mod;
            }
        }
        if(mu[d] == -1){
            for(int Q = d , cnt = 1;Q <= kato - 10;Q += d , cnt ++){
                yuni[Q] = yuni[Q] * invf[cnt] % mod;
            }
        }
    }
    for(int i = 1;i <= kato - 10;i ++){
        yuni[i] = yuni[i] * yuni[i - 1] % mod;
    }
}

LL n , m , t;

inline int Ame_(){
    read(t);
    mu[1] = f[1] = invf[1] = yuni[1] = yuni[0] = 1;
    get_yuni();
    // for(int i = 1;i <= 10;i ++){
    //     cerr << mu[i] << ' '; 
    // }
    for(; t --> 0 ;){
        LL ans = 1;
        read(n) , read(m);
        if(n > m) swap(n , m);
        for(LL l = 1 , r;l <= n;l = r + 1){
            r = min(n / (n / l) , m / (m / l));
            ans = ans * quick_pow(yuni[r] * quick_pow(yuni[l - 1] , mod - 2) % mod , (n / l) * (m / l)) % mod;
        }
        printf("%lld\n" , ans);
    }
    // fclose(stdin);
    // fclose(stdout);
    return ~~(0^_^0);
}
    
int Ame__ = Ame_();
    
signed main(){;}
2020/8/10 10:56
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