func_code_string: #include <bits/stdc++.h>   using namespace std;   void extgcd(long long a, long long b, long long& x, long long& y) {     if (b == 0) {       assert(a == 1);       x = 1, y = 0;       return;     }     extgcd(b, a % b, y, x);     y -= a / b * x;   }   int inv(int a, int c) {     long long x, y;     extgcd(a, c, x, y);     return (x % c + c) % c;   }   long long modpow(long long a, int b, int c) {     long long res = 1;     for (; b; b >>= 1) {       if (b & 1) res = res * a % c;       a = a * a % c;     }     return res;   }   const int MAXN = 100005, MAXT = 262150;   int num[10], tot, n, m, Q, tn;   struct Value {     int cnt[10];     long long rest;     void clear() {       memset(cnt, 0, sizeof(cnt));       rest = 1;     }     Value() { clear(); }     Value& operator*=(int x) {       for (int i = 0; i < tot; i++)         while (x % num[i] == 0) x /= num[i], ++cnt[i];       rest = rest * x % m;       return *this;     }     Value& operator/=(int x) {       for (int i = 0; i < tot; i++)         while (x % num[i] == 0) x /= num[i], --cnt[i];       rest = rest * inv(x, m) % m;       return *this;     }     Value& operator*=(const Value& v) {       for (int i = 0; i < tot; i++) cnt[i] += v.cnt[i];       rest = rest * v.rest % m;       return *this;     }     long long get_val() {       long long res = rest;       for (int i = 0; i < tot; i++) res = res * modpow(num[i], cnt[i], m) % m;       return res;     }   } tag[MAXT];   long long sum[MAXT];   void build(int l = 1, int r = tn, int k = 1) {     if (l == r) return;     int mid = (l + r) >> 1;     build(l, mid, k << 1);     build(mid + 1, r, k << 1 | 1);     sum[k] = (sum[k << 1] + sum[k << 1 | 1]) % m;   }   void pushdown(int k) {     int flag = 1;     for (int i = 0; i < tot; i++)       if (tag[k].cnt[i]) {         flag = 0;         break;       }     if (flag && tag[k].rest == 1) return;     int ls = k << 1, rs = k << 1 | 1;     tag[ls] *= tag[k], tag[rs] *= tag[k];     long long v = tag[k].get_val();     (sum[ls] *= v) %= m, (sum[rs] *= v) %= m;     tag[k].clear();   }   void mul(int a, int b, int x, int l = 1, int r = tn, int k = 1) {     if (a > r || b < l) return;     if (a <= l && b >= r) {       tag[k] *= x, (sum[k] *= x) %= m;       return;     }     pushdown(k);     int mid = (l + r) >> 1;     mul(a, b, x, l, mid, k << 1);     mul(a, b, x, mid + 1, r, k << 1 | 1);     sum[k] = (sum[k << 1] + sum[k << 1 | 1]) % m;   }   void divi(int a, int x, int l = 1, int r = tn, int k = 1) {     if (l == r) {       tag[k] /= x;       sum[k] = tag[k].get_val();       return;     }     int mid = (l + r) >> 1;     pushdown(k);     if (a <= mid)       divi(a, x, l, mid, k << 1);     else       divi(a, x, mid + 1, r, k << 1 | 1);     sum[k] = (sum[k << 1] + sum[k << 1 | 1]) % m;   }   int query(int a, int b, int l = 1, int r = tn, int k = 1) {     if (a > r || b < l) return 0;     if (a <= l && b >= r) return sum[k];     pushdown(k);     int mid = (l + r) >> 1;     return (query(a, b, l, mid, k << 1) + query(a, b, mid + 1, r, k << 1 | 1)) %            m;   }   void pre() {     int kk = m;     for (int i = 2; i * i <= kk; i++)       if (kk % i == 0) {         while (kk % i == 0) kk /= i;         num[tot++] = i;       }     if (kk > 1) num[tot++] = kk;   }   int main() {     scanf( %d%d , &n, &m);     pre();     for (tn = 1; tn < n; tn <<= 1)       ;     for (int i = 1; i <= n; i++) {       scanf( %lld , &sum[i + tn - 1]);       tag[i + tn - 1] *= sum[i + tn - 1];       sum[i + tn - 1] %= m;     }     build();     scanf( %d , &Q);     while (Q--) {       int a, b, c, d;       scanf( %d%d%d , &a, &b, &c);       if (a == 1) {         scanf( %d , &d);         mul(b, c, d);       } else if (a == 2)         divi(b, c);       else         printf( %d n , query(b, c));     }     return 0;   }   