Problem: Min XOR value
Given an integer array A of N integers, find the pair of integers in the array which have minimum XOR value. Report the minimum XOR value.
The first and only argument of input contains an integer array A
return a single integer denoting minimum xor value
2 <= N <= 100 000 0 <= A[i] <= 1 000 000 000
Example Input 1: A = [0, 2, 5, 7] Example Output 1: 2 Explanation: 0 xor 2 = 2 Example Input 2: A = [0, 4, 7, 9] Example Output 2: 3
Solution in C++:
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