one day BThero decide play array come follow problemyou give array consist n positive integer the array numerate 1 n you execute follow procedure exactly you create new array b consist 2n positive integer 1 le le n condition b_2i1b_2i a_i hold for example array 6 8 2 create b 2 4 4 4 1 1 you merge consecutive equal number b for example b 2 4 4 4 1 1 b 2 4 1 find print minimum possible value b size b achieve end procedure it show give constraint way construct b