func_code_string: #include <bits/stdc++.h>   using namespace std;   const int MAXN = 1e5 + 5;   int w[MAXN];   map<int, int> f;   long long Calc(long long Res, long long Mod) {     if (Res > Mod) return Res % Mod + Mod;     return Res;   }   long long power(long long a, long long n, long long Mod) {     long long Res = 1;     while (n) {       if (n & 1) Res = Calc(Res * a, Mod);       a = Calc(a * a, Mod);       n >>= 1;     }     return Res;   }   int phi(int n) {     int result = 1;     if (f.count(n)) return f[n];     for (int i = 2; i * i <= n; ++i) {       if (n % i == 0) {         while (n % i == 0) {           n /= i;           result *= i;         }         result /= i;         result *= (i - 1);       }     }     if (n != 1) result *= (n - 1);     f[n] = result;     return f[n];   }   long long Solve(int l, int r, int Mod) {     if (l == r || Mod == 1) return Calc(w[l], Mod);     return power(w[l], Solve(l + 1, r, phi(Mod)), Mod);   }   int main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     int q, n, Mod;     cin >> n >> Mod;     for (int i = 1; i <= n; ++i) cin >> w[i];     cin >> q;     while (q--) {       int l, r;       cin >> l >> r;       long long ans = Solve(l, r, Mod);       cout << ans % Mod << endl;     }     return 0;   }   