View Compilation Error

0_0_39347680_12527.cpp: In function 'int main()':
0_0_39347680_12527.cpp:18:41: error: expected '}' at end of input
   18 |                         int counter = 1; //用於}
      |                                         ^
0_0_39347680_12527.cpp:17:38: note: to match this '{'
   17 |                 while (q.size() > 3) {
      |                                      ^
0_0_39347680_12527.cpp:18:41: error: expected '}' at end of input
   18 |                         int counter = 1; //用於}
      |                                         ^
0_0_39347680_12527.cpp:10:21: note: to match this '{'
   10 |         while (n--) {
      |                     ^
0_0_39347680_12527.cpp:18:41: error: expected '}' at end of input
   18 |                         int counter = 1; //用於}
      |                                         ^
0_0_39347680_12527.cpp:6:12: note: to match this '{'
    6 | int main() {
      |            ^