View Compilation Error

0_0_39575045_7518.cpp:5:24: error: 'll' has not been declared
    5 |     auto print128 = [](ll num)
      |                        ^~
0_0_39575045_7518.cpp: In lambda function:
0_0_39575045_7518.cpp:7:12: error: expected '(' before 'return'
    7 |         if return;
      |            ^~~~~~
      |            (
0_0_39575045_7518.cpp:8:9: error: 'string' was not declared in this scope
    8 |         string s;
      |         ^~~~~~
0_0_39575045_7518.cpp:9:17: error: 's' was not declared in this scope
    9 |         reverse(s.begin(), s.end());
      |                 ^
0_0_39575045_7518.cpp:9:9: error: 'reverse' was not declared in this scope
    9 |         reverse(s.begin(), s.end());
      |         ^~~~~~~
0_0_39575045_7518.cpp: At global scope:
0_0_39575045_7518.cpp:12:13: error: expected constructor, destructor, or type conversion before '(' token
   12 |     print128(sum);
      |             ^
0_0_39575045_7518.cpp:13:5: error: expected unqualified-id before 'return'
   13 |     return 0;
      |     ^~~~~~