foo.cc: In function 'int main()':
foo.cc:22:18: error: expected '}' at end of input
   22 |         return 0;
      |                  ^
foo.cc:5:1: note: to match this '{'
    5 | {
      | ^

正在同步测试数据，请稍后
[Hydro](https://hydro.ac)提供评测服务