Python Code only You are given integers N, R and K. Consider all permutations of the integers 1 through N with exactly R inversions. Find the K-th lexicographically smallest among these permutations....


Python Code only<br>You are given integers N, R and K. Consider all permutations of the integers 1 through N with exactly R<br>inversions. Find the K-th lexicographically smallest among these permutations.<br>• The number of inversions in a permutation P1, P2, ..., PN is the number of<br>pairs of integers (i, j) such that 1 < i <j<N and P; > P;.<br>• A permutation A1, A2, ..., AN is lexicographically smaller than a<br>permutation B1, B2, ..., BN if there is an index i (1 < i <N) such that<br>A; < B; and for each valid j < i, A; = Bj.<br>Input<br>312<br>Example Output<br>213<br>

Extracted text: Python Code only You are given integers N, R and K. Consider all permutations of the integers 1 through N with exactly R inversions. Find the K-th lexicographically smallest among these permutations. • The number of inversions in a permutation P1, P2, ..., PN is the number of pairs of integers (i, j) such that 1 < i=""><> P;. • A permutation A1, A2, ..., AN is lexicographically smaller than a permutation B1, B2, ..., BN if there is an index i (1 < i="">< b;="" and="" for="" each="" valid="" j="">< i,="" a;="Bj." input="" 312="" example="" output="">

Jun 03, 2022
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