/in/foo.cc: In function 'int main()':
/in/foo.cc:36:11: warning: this 'while' clause does not guard... [-Wmisleading-indentation]
 if(!flag) while(1);
           ^~~~~
/in/foo.cc:37:2: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'while'
  for(int i=1;i<=n;i++)
  ^~~