View Compilation Error

0_0_34359064_14969.cpp: In function 'void GetUsefulNodes()':
0_0_34359064_14969.cpp:69:1: error: a function-definition is not allowed here before '{' token
 {
 ^
0_0_34359064_14969.cpp:148:1: error: expected '}' at end of input
 }
 ^