Wrong Answer
/in/foo.c: In function 'main':
/in/foo.c:17:3: warning: 'd' may be used uninitialized in this function [-Wmaybe-uninitialized]
printf("%d%c%d=%d\n",a,c,b,d);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/in/foo.c: In function 'main':
/in/foo.c:17:3: warning: 'd' may be used uninitialized in this function [-Wmaybe-uninitialized]
printf("%d%c%d=%d\n",a,c,b,d);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
