View Compilation Error

0_0_38599675_11951.cpp: In function 'int main()':
0_0_38599675_11951.cpp:24:2: error: 'id' was not declared in this scope
 {id[]
  ^~
0_0_38599675_11951.cpp:24:5: error: expected primary-expression before ']' token
 {id[]
     ^