运行 ID: 110224

Main.cc: In function ‘int main()’:
Main.cc:16:3: error: return-statement with no value, in function returning ‘int’ [-fpermissive]
   return;
   ^~~~~~
Main.cc:26:3: error: return-statement with no value, in function returning ‘int’ [-fpermissive]
   return;
   ^~~~~~