Answer Posted / chitranshu asthana

char* s1 = "Hello";
char* s2 = "World";
s1 = (char*)((int)s1 + (int)s2);
s2 = (char*)((int)s1 -(int) s2);
s1 = (char*)((int)s1 - (int)s2);
printf("%s:%s", s1, s2);

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