func_code_string: #include <bits/stdc++.h>   using namespace std;   int MSB1(long long x) {     int d = 0;     while ((1LL << d) <= x) d++;     return d;   }   int main() {     int n, m;     cin >> n >> m;     struct Elm {       int l, r, x;     };     vector<vector<Elm>> vals(n);     while (m--) {       int op;       cin >> op;       if (op == 1) {         int t, l, r, x;         cin >> t >> l >> r >> x, t--;         vals[t].emplace_back(Elm{l, r, x});         continue;       }       int t, v;       cin >> t >> v, t--;       set<int> se;       for (int l = v, r = v; t < n; t++, l += MSB1(l - 1), r += MSB1(r)) {         for (auto &e : vals[t])           if (e.l <= r && l <= e.r) se.emplace(e.x);       }       cout << se.size() << endl;     }     return 0;   }   