func_code_string: #include <bits/stdc++.h>   #pragma GCC optimize( Ofast )   #pragma GCC optimize( unroll-loops )   using namespace std;   const int N = 1e5 + 2;   vector<pair<int, int> > seg[3 * N][2];   long long int sig[3 * N];   int a[N];   vector<pair<int, int> > m[2];   int n, x;   inline long long int mrg(vector<pair<int, int> > z[2],                            vector<pair<int, int> > y[2]) {     if (z[0].size() == 0) {       m[0] = y[0];       m[1] = y[1];       return 0;     }     if (y[0].size() == 0) {       m[0] = z[0];       m[1] = z[1];       return 0;     }     long long int t = 0;     for (auto i : z[1]) {       for (auto j : y[0]) {         if ((i.first | j.first) >= x) {           t += 1LL * i.second * j.second;         }       }     }     m[1].clear();     m[0].clear();     m[1] = y[1];     int r = 0;     r = y[1].back().first;     for (auto i : z[1]) {       long long int e = (i.first | r);       if (m[1].size() == 0) {         m[1].push_back({e, i.second});       } else if (e != m[1].back().first)         m[1].push_back({e, i.second});       else {         m[1].back().second += i.second;       }     }     m[0] = z[0];     r = z[0].back().first;     for (auto i : y[0]) {       long long int e = (i.first | r);       if (m[0].size() == 0) {         m[0].push_back({e, i.second});       } else if (e != m[0].back().first)         m[0].push_back({e, i.second});       else         m[0].back().second += i.second;     }     return t;   }   void upd(int nod, int l, int r, int id, int val) {     if (r - l == 1) {       seg[nod][0].clear();       seg[nod][0].push_back({val, 1});       seg[nod][1].clear();       seg[nod][1].push_back({val, 1});       if (val >= x)         sig[nod] = 1;       else         sig[nod] = 0;       return;     }     int mid = (r + l) >> 1;     if (mid > id)       upd(nod << 1, l, mid, id, val);     else       upd(nod << 1 | 1, mid, r, id, val);     sig[nod] = sig[nod << 1] + sig[nod << 1 | 1];     sig[nod] += mrg(seg[nod << 1], seg[nod << 1 | 1]);     seg[nod][0] = m[0];     seg[nod][1] = m[1];   }   void build(int nod, int l, int r) {     if (r - l == 1) {       seg[nod][0].clear();       seg[nod][0].push_back({a[l], 1});       seg[nod][1].clear();       seg[nod][1].push_back({a[l], 1});       if (a[l] >= x)         sig[nod] = 1;       else         sig[nod] = 0;       return;     }     int mid = (r + l) >> 1;     build(nod << 1, l, mid);     build(nod << 1 | 1, mid, r);     sig[nod] = sig[nod << 1] + sig[nod << 1 | 1];     sig[nod] += mrg(seg[nod << 1], seg[nod << 1 | 1]);     seg[nod][0] = m[0];     seg[nod][1] = m[1];   }   vector<pair<int, int> > g[2];   long long int ans = 0;   void get(int nod, int l, int r, int L, int R) {     if (l >= R || L >= r) return;     if (l >= L && r <= R) {       ans += mrg(g, seg[nod]) + sig[nod];       g[0] = m[0];       g[1] = m[1];       return;     }     int mid = (r + l) >> 1;     get(nod << 1, l, mid, L, R);     get(nod << 1 | 1, mid, r, L, R);   }   int32_t main() {     ios_base::sync_with_stdio(false);     cin.tie(0);     cout.tie(0);     int q;     scanf( %d %d %d , &n, &q, &x);     for (int i = 1; i <= n; i++) {       scanf( %d , &a[i]);     }     build(1, 1, N);     for (int i = 0; i < q; i++) {       int t;       scanf( %d , &t);       if (t == 1) {         int id, val;         scanf( %d %d , &id, &val);         upd(1, 1, N, id, val);       } else {         int l, r;         scanf( %d %d , &l, &r);         ans = 0;         get(1, 1, N, l, r + 1);         printf( %lld  n , ans);         g[0].clear();         g[1].clear();       }     }   }   