PhonePe Transaction Target Sum Ways
PhonePe Transaction Target Sum Ways
MediumDynamic Programming50% accepted
PhonePe processes transactions with amounts in array nums. Assign + or - to each amount. Count the number of ways to assign signs so the total equals target.
Approach
Count ways to assign + or - to each element to reach target sum.
Input
5 1
1 1 1 1 1
Output
10
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