Ответы на вопрос:
## код на ruby 2.2.3p173 def lineuparraysize(num) cur_size = 4 while num > cur_size cur_size = 2 * cur_size + 8 end cur_size = 2 * cur_size + 8 end def getspiralneighbours(num) a = [] a[0] = [0, 0] a[1] = [-1, 1] moves = [[1, 0], [0, -1], [-1, 0], [0, 1]] move_direction = 0 side_size = 2 cur_size = 1 cycle = 1 mode_direction = 0 for i in 2..lineuparraysize(num) new_num = array.new(2) new_num[0] = a.last[0] + moves[move_direction][0] new_num[1] = a.last[1] + moves[move_direction][1] a[i] = new_num # p new_num cur_size += 1 if cur_size == side_size cur_size = 1 move_direction = (move_direction + 1) % 4 side_size += 1 if move_direction % 2 == 0 cycle += 1 if move_direction == 0 end end a.each_with_index do |i,x| p [x, i] if (i[0]-a[num][0]).abs < = 1 and (i[1]-a[num][1]).abs < = 1 end end getspiralneighbours(1090) вывод (числа и условные координаты) [962, [15, 16]] [1089, [15, 17]] [1090, [16, 17]] [1091, [16, 16]] [1224, [15, 18]] [1225, [16, 18]] [1226, [17, 18]] [1227, [17, 17]] [1228, [17, 16]]
Популярно: Информатика
-
NikaName00728.01.2021 17:49
-
serpgo126.10.2021 12:09
-
Valik12321104.06.2022 08:36
-
DarkLooord02.08.2022 12:44
-
tolstuhen03.12.2022 01:13
-
daryaaleksandr210.02.2021 01:43
-
Kinder164405.06.2020 14:10
-
Vitoriofedorov03.06.2020 18:21
-
nickartyar15.05.2020 07:00
-
nastyluk12509.05.2023 07:25