View Compilation Error

0_0_34690863_26315.cpp: In function 'void topological_order(int)':
0_0_34690863_26315.cpp:44:1: error: a function-definition is not allowed here before '{' token
 {
 ^
0_0_34690863_26315.cpp:62:1: error: expected '}' at end of input
 }
 ^