Help me out in this problem

#1


leetcode

#2

@aman212yadav bro are u there ?

#3

yeah bro …working on ur code pls wait

#4

@aman212yadav ok bro

#5

check now->

#6

@aman212yadav why m[0]=-1?

#7

to handle 0 prefix sum .

let say for some i . ur sum become zero.
then for such case i-mp[0]=i-(-1)=i+1 will give correctsubarrray length