foo.cc: In function 'int main()':
foo.cc:9:12: warning: for increment expression has no effect [-Wunused-value]
    9 |  for(;m>0;m/10)
      |           ~^~~
foo.cc:17:2: warning: this 'else' clause does not guard... [-Wmisleading-indentation]
   17 |  else
      |  ^~~~
foo.cc:19:3: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'else'
   19 |   return 0;
      |   ^~~~~~

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