func_code_string: #include <bits/stdc++.h>   using namespace std;   const int INF = 1e9 + 7;   vector<int> eum;   int w[100005];   int Euler(int num) {     int p = 2, ans = 1;     while (p * p <= num) {       int ct = 1;       while (num % p == 0) {         ct *= p;         num /= p;       }       if (ct > 1) ct = ct / p * (p - 1);       ans *= ct;       p++;     }     if (num > 1) ans *= num - 1;     return ans;   }   long long power(int x, int t, long long m) {     if (t == 0) return 1;     long long cc = power(x, t >> 1, m);     cc = cc * cc % m;     if (t & 1) cc = cc * x % m;     return cc;   }   int gcd(int m, int n) { return n == 0 ? m : gcd(n, m % n); }   int solve(int l, int r, int mid) {     if (l > r) return 1;     if (eum[mid] == 1) return 0;     vector<int> cc;     for (int k = l + 1; k <= r && k <= l + 4; k++) cc.push_back(w[k]);     cc.push_back(1);     for (int k = 0; k < (cc.size()); k++)       if (cc[k] == 1) {         long long cur = 1LL;         for (int j = k - 1; j >= 0; j--) {           if (cc[j] >= 30 || cc[j] >= 4 && cur >= 4) {             cur = 30LL;             break;           }           cur = power(cc[j], cur, 1LL << 62);           if (cur > 30LL) {             cur = 30LL;             break;           }         }         if (cur < 30LL)           return power(w[l], cur, eum[mid]) % eum[mid];         else           return power(w[l], solve(l + 1, r, mid + 1) + eum[mid + 1], eum[mid]);       }   }   int main() {     int n, m, q, x, l, r;     scanf( %d%d , &n, &m);     eum.push_back(m);     while ((x = eum.back()) > 1) eum.push_back(Euler(x));     for (int k = 0; k < (n); k++) scanf( %d , &w[k]);     scanf( %d , &q);     for (int k = 0; k < (q); k++) {       scanf( %d%d , &l, &r);       l--;       r--;       printf( %d n , solve(l, r, 0));     }     return 0;   }   