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Please help to solve this problem
Given an array of positive integers nums of length N, we need to find the maximum sum of two integers that do not have any common digit between them.
1<=N<=2e5 1<=nums[i]<=1e9
Eg. N = 6 nums = 53 1 36 103 53 5 ans = 103+5 = 108
This question was asked as part of Microsoft Online Assessment
