from itertools import combinations n = int(input()) dryb = [input() for _ in range(n)] prime = int(1e9 + 7) def is_fantastic(l): l_count = 0 p_count = 0 for x in l: if x[0] == 'L': l_count += 1 else: p_count += 1 if p_count > l_count: return False return l_count == p_count for i in range(n): for j in range(n): curr = dryb[i] + dryb[j] drybs = set() for s in range(1, len(curr) + 1): for d in combinations(curr, s): drybs.add(d) print(sum([is_fantastic(d) for d in drybs]) % prime, end=' ') print()
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 | from itertools import combinations n = int(input()) dryb = [input() for _ in range(n)] prime = int(1e9 + 7) def is_fantastic(l): l_count = 0 p_count = 0 for x in l: if x[0] == 'L': l_count += 1 else: p_count += 1 if p_count > l_count: return False return l_count == p_count for i in range(n): for j in range(n): curr = dryb[i] + dryb[j] drybs = set() for s in range(1, len(curr) + 1): for d in combinations(curr, s): drybs.add(d) print(sum([is_fantastic(d) for d in drybs]) % prime, end=' ') print() |