func_code_string: #include <bits/stdc++.h>   #pragma GCC optimize(3)   using namespace std;   struct IO {     char buf[(1 << 20)], *p1, *p2;     char pbuf[(1 << 20)], *pp;     IO() : p1(buf), p2(buf), pp(pbuf) {}     ~IO() { fwrite(pbuf, 1, pp - pbuf, stdout); }     inline char gc() {       if (p1 == p2) p2 = (p1 = buf) + fread(buf, 1, (1 << 20), stdin);       return p1 == p2 ?     : *p1++;     }     inline bool blank(char ch) {       return ch ==     || ch ==   n  || ch ==   r  || ch ==   t ;     }     template <class T>     inline void read(T &x) {       double tmp = 1;       bool sign = 0;       x = 0;       char ch = gc();       for (; !(ch >=  0  && ch <=  9 ); ch = gc())         if (ch ==  - ) sign = 1;       for (; (ch >=  0  && ch <=  9 ); ch = gc()) x = x * 10 + (ch -  0 );       if (ch ==  . )         for (ch = gc(); (ch >=  0  && ch <=  9 ); ch = gc())           tmp /= 10.0, x += tmp * (ch -  0 );       if (sign) x = -x;     }     inline void read(char *s) {       char ch = gc();       for (; blank(ch); ch = gc())         ;       for (; !blank(ch); ch = gc()) *s++ = ch;       *s = 0;     }     inline void read(char &c) {       for (c = gc(); blank(c); c = gc())         ;     }     inline void push(const char &c) {       if (pp - pbuf == (1 << 20)) fwrite(pbuf, 1, (1 << 20), stdout), pp = pbuf;       *pp++ = c;     }     template <class T>     inline void write(T x) {       if (x < 0) x = -x, push( - );       static T sta[35];       T top = 0;       do {         sta[top++] = x % 10, x /= 10;       } while (x);       while (top) push(sta[--top] +  0 );     }     template <class T>     inline void write(T x, char lastChar) {       write(x), push(lastChar);     }   } io;   constexpr long long N = 1e5 + 5;   constexpr double eps = 1e-6;   long long n, k, m, d;   long long id[64];   long long v[64];   long long Q;   long long level(long long x) {     long long ans = 0;     while (x) {       ans++;       x >>= 1LL;     }     return ans;   }   signed main() {     ios::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr);     ;     cin >> Q;     while (Q--) {       long long T;       cin >> T;       if (T == 1LL) {         long long X, K;         cin >> X >> K;         long long l = level(X);         long long M = (1LL << (l - 1LL));         v[l] += K % M;         v[l] %= M;         if (v[l] < 0) v[l] += M;       } else if (T == 2) {         long long X, K;         cin >> X >> K;         long long l = level(X);         while (l < 64) {           long long M = (1LL << (l - 1LL));           K %= M;           v[l] += K % M;           v[l] %= M;           if (v[l] < 0) v[l] += M;           id[l] += K % M;           id[l] %= M;           if (id[l] < 0) id[l] += M;           l++;           K *= 2;         }       } else {         long long X;         cin >> X;         cout << X <<    ;         long long l = level(X);         long long M = 1LL << (l - 1LL);         X -= M;         long long rawid = (X + v[l] + M) % M;         long long nowid = (rawid + id[l] + M) % M;         while (M + rawid != 1LL) {           rawid = (M + rawid) >> 1LL;           M >>= 1LL;           l--;           rawid -= M;           cout << M + (rawid - v[l] + M) % M <<    ;         }         cout << endl;       }     }     return 0;   }   