View Compilation Error

0_0_38702856_11021.cpp: In function 'int main()':
0_0_38702856_11021.cpp:17:36: error: expected ';' before '}' token
   17 |         {next_permutation(a, a + n)
      |                                    ^
      |                                    ;
   18 | 
   19 |         }
      |         ~