运行 ID: 45655

Main.cc: In function ‘int main()’:
Main.cc:7:1: error: a function-definition is not allowed here before ‘{’ token
 {
 ^
Main.cc:13:1: error: a function-definition is not allowed here before ‘{’ token
 {
 ^
Main.cc:39:1: error: expected ‘}’ at end of input
 }
 ^