View Compilation Error

0_0_39144610_5706.cpp: In function 'int main()':
0_0_39144610_5706.cpp:18:37: error: expected ')' before ';' token
   18 |                     q.push(q.front(););
      |                           ~         ^
      |                                     )
0_0_39144610_5706.cpp:18:38: error: expected primary-expression before ')' token
   18 |                     q.push(q.front(););
      |                                      ^
0_0_39144610_5706.cpp: At global scope:
0_0_39144610_5706.cpp:48:5: error: expected unqualified-id before 'return'
   48 |     return 0;
      |     ^~~~~~
0_0_39144610_5706.cpp:49:1: error: expected declaration before '}' token
   49 | }
      | ^