/in/foo.cc: In function 'int main()':
/in/foo.cc:27:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
     for(int j=xy;j<=dy;j++)
     ^~~
/in/foo.cc:29:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
         printf("%d\n",mx);
         ^~~~~~