Answer :
Answer:
((day==1)?"sun": ((day==2)?"mon": ((day==3)?"tue": ((day==4)?"wed": ((day==5)?"thu": ((day==6)?"fri": ((day==7)?"sat": "invalid")))))))
Explanation:
Answer:
((day==1)?"sun": ((day==2)?"mon": ((day==3)?"tue": ((day==4)?"wed": ((day==5)?"thu": ((day==6)?"fri": ((day==7)?"sat": "invalid")))))))
Explanation: