func_code_string: #include <bits/stdc++.h>   using namespace std;   long long l, r, k;   void go(long long x) {     int i, j;     long long y, z;     for (i = 62; i >= 0; i--) {       if (x & (1LL << i)) break;     }     if ((1LL << i) == x) {       x++;     }     long long xx = x;     xx &= ((1LL << i) - 1);     y = (1LL << (i + 1)) | xx;     z = (1LL << (i + 1)) | (1LL << i);     if (y <= r && z <= r && k >= 3) {       cout << 0 << endl << 3 << endl << x <<     << y <<     << z << endl;       exit(0);     }   }   int main() {     cin >> l >> r >> k;     pair<long long, long long> p;     if (l == 1) {       if (k >= 3) {         cout << 0 << endl << 3 << endl;         cout << 1 <<     << 2 <<     << 3 << endl;         return 0;       } else {         cout << 1 << endl << 1 << endl << 1 << endl;         return 0;       }     }     go(l);     if (k >= 5) {       cout << 0 << endl << 4 << endl;       if (l % 2 == 0)         cout << l <<     << l + 1 <<     << l + 2 <<     << l + 3 << endl;       else         cout << l + 1 <<     << l + 2 <<     << l + 3 <<     << l + 4 << endl;     } else if (k == 4) {       if (l % 2 == 0) {         cout << 0 << endl << 4 << endl;         cout << l <<     << l + 1 <<     << l + 2 <<     << l + 3 << endl;       } else {         if (r - l + 1 >= 5) {           cout << 0 << endl << 4 << endl;           cout << l + 1 <<     << l + 2 <<     << l + 3 <<     << l + 4 << endl;         } else {           cout << 1 << endl << 2 << endl;           if (l % 2 == 0)             cout << l <<     << l + 1 << endl;           else             cout << l + 1 <<     << l + 2 << endl;         }       }     } else if (k == 3) {       cout << 1 << endl << 2 << endl;       if (l % 2 == 0)         cout << l <<     << l + 1 << endl;       else         cout << l + 1 <<     << l + 2 << endl;     } else if (k == 2) {       if (r - l + 1 > 2) {         cout << 1 << endl << 2 << endl;         if (l % 2 == 0)           cout << l <<     << l + 1 << endl;         else           cout << l + 1 <<     << l + 2 << endl;       } else {         if ((l ^ (l + 1)) < l) {           cout << (l ^ (l + 1)) << endl << 2 << endl;           cout << l <<     << l + 1 << endl;         } else           cout << l << endl << 1 << endl << l << endl;       }     } else {       cout << l << endl << 1 << endl << l << endl;     }   }   