/in/foo.c: In function 'Visit':
/in/foo.c:19:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
         for(int i=q-1;i>=p+1;i--)
         ^~~
/in/foo.c:21:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
             p++;
             ^