From c5fcf7179a83ef65c86c6a4a390029149e518649 Mon Sep 17 00:00:00 2001 From: Franciszek Malinka Date: Tue, 5 Oct 2021 21:49:54 +0200 Subject: Duzy commit ze smieciami --- Semestr 4/ask/lista11/gen.py | 65 -------------------------------------------- 1 file changed, 65 deletions(-) delete mode 100644 Semestr 4/ask/lista11/gen.py (limited to 'Semestr 4/ask/lista11/gen.py') diff --git a/Semestr 4/ask/lista11/gen.py b/Semestr 4/ask/lista11/gen.py deleted file mode 100644 index d4de762..0000000 --- a/Semestr 4/ask/lista11/gen.py +++ /dev/null @@ -1,65 +0,0 @@ -def next_permutation(a): - """Generate the lexicographically next permutation inplace. - - https://en.wikipedia.org/wiki/Permutation#Generation_in_lexicographic_order - Return false if there is no next permutation. - """ - # Find the largest index i such that a[i] < a[i + 1]. If no such - # index exists, the permutation is the last permutation - for i in reversed(range(len(a) - 1)): - if a[i] < a[i + 1]: - break # found - else: # no break: not found - return False # no next permutation - - # Find the largest index j greater than i such that a[i] < a[j] - j = next(j for j in reversed(range(i + 1, len(a))) if a[i] < a[j]) - - # Swap the value of a[i] with that of a[j] - a[i], a[j] = a[j], a[i] - - # Reverse sequence from a[i + 1] up to and including the final element a[n] - a[i + 1:] = reversed(a[i + 1:]) - return True - -def perm_to_str(a): - return ''.join(map(str, a)) - -def str_to_perm(s): - return [int(c) for c in s] - -t = [0,1,2,3] -perm_to_idx = dict() - -def bbin(x): - return bin(x)[2:] - -cnt = 23 -while True: - perm_to_idx[perm_to_str(t)] = cnt - cnt -= 1 - if not next_permutation(t): - break - -for p in perm_to_idx.keys(): - for i in range(4): - t = str_to_perm(p) - for j in range(4): - if t[j] > t[i]: - t[j] -= 1 - t[i] = 3 - print(p, 'x', i, '->', perm_to_str(t), ':\t', bbin(perm_to_idx[p]), '\t', bbin(i), '\t', bbin(perm_to_idx[perm_to_str(t)]), end='\t') - print(perm_to_idx[p], '\t', i, '\t', perm_to_idx[perm_to_str(t)]) - -print('\n-----\n') - - -for p in perm_to_idx.keys(): - for i in range(4): - t = str_to_perm(p) - for j in range(4): - if t[j] > t[i]: - t[j] -= 1 - t[i] = 3 - print(p, 'x', i, '->', perm_to_str(t), ':\t', bbin(perm_to_idx[p]), '\t', bbin(i), '\t', bbin(perm_to_idx[perm_to_str(t)]), end='\t') - print(perm_to_idx[p], '\t', i, '\t', perm_to_idx[perm_to_str(t)]) -- cgit v1.2.3