Blue Dart Package Zone Distribution
Blue Dart Package Zone Distribution
EasyArrays50% accepted
At Blue Dart's Delhi sorting hub, supervisor Ravi needs to organize packages by delivery zones for faster processing. Given an array of zone identifiers for each package, count how many packages belong to each zone.
Approach
Given array of delivery zone IDs, count packages per zone and return frequency array.
Input
6
1 2 1 3 2 1
Output
[0,3,2,1]
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