Guess the digits

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You are given two integers N and K. You have an array (1-based indexing) which has numbers using only the digits from 0-N. The array contains all distinct elements and is sorted in increasing order. You have to output the number of digits in the number at the Kth index. Input The first line of the input contains an integer T denoting the number of test cases. The following T lines contain two

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solution.cppC++17

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