Siddu jajee
Siddu jajee @Siddu_jajee ·
Replying to @Siddu_jajee
optimal solution: hint: sum(n natural no.) - sum(array ele) = x-y sum(n2 natural no.) - sum(array ele when each ele is raised by 2) = x+y where x = duplicate ele and y = missing ele #optimalsolution #java #DSA
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