codeforces Wunder Fund Round 2016 (Div. 1 + Div. 2 combined) B Guess the Permutation
B.GuessthePermutationBobhasapermutationofintegersfrom 1 to n.Denotethispermutationas p.The i-thelementof p willbedenotedas pi.Forallpairsofdistinctintegers i, j between 1 and n,hewrotethenumber ai, j