• + 3 comments
    #include <bits/stdc++.h>
    using namespace std;
    #define ll long long int
    ll n , s_primitive,number;
    
    ll power(ll a, ll b, ll mod){
        if(b == 0)
            return 1;
        ll temp = power(a,b>>1,mod)%mod;
        temp = (temp*temp)%mod;
        if(b&1)
            temp = temp*a%mod;
        return temp;
    }