/in/foo.cc: In function 'int main()':
/in/foo.cc:9:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
     for (int i=1;i<=n;i++)
     ^~~
/in/foo.cc:11:6: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
      int from=0;
      ^~~