/in/foo.c: In function 'main':
/in/foo.c:37:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
         for(i=num;i>0;i--)printf("%d ",sign[i]);printf("\n");
         ^~~
/in/foo.c:37:49: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
         for(i=num;i>0;i--)printf("%d ",sign[i]);printf("\n");
                                                 ^~~~~~