Mã chấm: 599889

Main.cc: In function ‘int main()’:
Main.cc:10:9: error: return-statement with no value, in function returning ‘int’ [-fpermissive]
   10 |         return;
      |         ^~~~~~
Main.cc:8:10: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
    8 |     scanf("%d",&n);
      |     ~~~~~^~~~~~~~~