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Q7. (5 points) Assume that no global or external variables are allowed (or any other similar mechanisms). Can there be an implementation for foo such that foo will have time complexity Θ(N)? If YES, write the code for foo (that has this complexity); if NO, justify. for ( i 1; i< i=i+1) = ; foo (k)

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the method foo(k) with be having the best complexity in the similar case as mentioned in the question as the best case will be the O(n) for n number of call the method will be called n time for the best case and 0 times for the worst case so the implementation above is the best case implementation only .

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