foo.cc: In function ‘int main()’:
foo.cc:13:25: error: ‘sum’ was not declared in this scope; did you mean ‘suum’?
   13 |                         sum++;
      |                         ^~~
      |                         suum
foo.cc:15:15: error: ‘sum’ was not declared in this scope; did you mean ‘suum’?
   15 |         cout<<sum;
      |               ^~~
      |               suum

正在同步测试数据，请稍后