unable to implement it
Check subarray as zero sum
@ayu2321 refer this for implementation
(https://www.geeksforgeeks.org/find-if-there-is-a-subarray-with-0-sum/)
dont forget to hit like and mark resolved if cleared 
unable to implement it
@ayu2321 refer this for implementation
(https://www.geeksforgeeks.org/find-if-there-is-a-subarray-with-0-sum/)
dont forget to hit like and mark resolved if cleared