foo.cc: In function 'int main()':
foo.cc:9:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for(i=0;i<10;i++)
  ^~~
foo.cc:11:3: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   while(a)
   ^~~~~

[Hydro](https://hydro.ac)提供评测服务