/in/foo.cc: In function 'int main()':
/in/foo.cc:40:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for(int i=0;i<j;i++)
  ^~~
/in/foo.cc:42:3: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
   cout<<endl;
   ^~~~
/in/foo.cc:6:10: warning: unused variable 'l' [-Wunused-variable]
  int j=0,l=1;
          ^