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pascals_triangle

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Danil Negrienko
2024-07-07 00:41:15 -04:00
parent 44ca0cb19b
commit 58eac331ab
10 changed files with 376 additions and 0 deletions
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152
elixir/pascals-triangle/test/pascals_triangle_test.exs Normal file
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defmodule PascalsTriangleTest do
use ExUnit.Case
test "one row" do
assert PascalsTriangle.rows(1) == [[1]]
end
test "two rows" do
assert PascalsTriangle.rows(2) == [[1], [1, 1]]
end
test "three rows" do
assert PascalsTriangle.rows(3) == [[1], [1, 1], [1, 2, 1]]
end
test "four rows" do
assert PascalsTriangle.rows(4) == [[1], [1, 1], [1, 2, 1], [1, 3, 3, 1]]
end
test "five rows" do
assert PascalsTriangle.rows(5) == [[1], [1, 1], [1, 2, 1], [1, 3, 3, 1], [1, 4, 6, 4, 1]]
end
test "six rows" do
assert PascalsTriangle.rows(6) == [
[1],
[1, 1],
[1, 2, 1],
[1, 3, 3, 1],
[1, 4, 6, 4, 1],
[1, 5, 10, 10, 5, 1]
]
end
test "ten rows" do
assert PascalsTriangle.rows(10) == [
[1],
[1, 1],
[1, 2, 1],
[1, 3, 3, 1],
[1, 4, 6, 4, 1],
[1, 5, 10, 10, 5, 1],
[1, 6, 15, 20, 15, 6, 1],
[1, 7, 21, 35, 35, 21, 7, 1],
[1, 8, 28, 56, 70, 56, 28, 8, 1],
[1, 9, 36, 84, 126, 126, 84, 36, 9, 1]
]
end
test "20 rows" do
assert PascalsTriangle.rows(20) == [
[1],
[1, 1],
[1, 2, 1],
[1, 3, 3, 1],
[1, 4, 6, 4, 1],
[1, 5, 10, 10, 5, 1],
[1, 6, 15, 20, 15, 6, 1],
[1, 7, 21, 35, 35, 21, 7, 1],
[1, 8, 28, 56, 70, 56, 28, 8, 1],
[1, 9, 36, 84, 126, 126, 84, 36, 9, 1],
[1, 10, 45, 120, 210, 252, 210, 120, 45, 10, 1],
[1, 11, 55, 165, 330, 462, 462, 330, 165, 55, 11, 1],
[1, 12, 66, 220, 495, 792, 924, 792, 495, 220, 66, 12, 1],
[1, 13, 78, 286, 715, 1287, 1716, 1716, 1287, 715, 286, 78, 13, 1],
[1, 14, 91, 364, 1001, 2002, 3003, 3432, 3003, 2002, 1001, 364, 91, 14, 1],
[1, 15, 105, 455, 1365, 3003, 5005, 6435, 6435, 5005, 3003, 1365, 455, 105, 15, 1],
[
1,
16,
120,
560,
1820,
4368,
8008,
11440,
12870,
11440,
8008,
4368,
1820,
560,
120,
16,
1
],
[
1,
17,
136,
680,
2380,
6188,
12376,
19448,
24310,
24310,
19448,
12376,
6188,
2380,
680,
136,
17,
1
],
[
1,
18,
153,
816,
3060,
8568,
18564,
31824,
43758,
48620,
43758,
31824,
18564,
8568,
3060,
816,
153,
18,
1
],
[
1,
19,
171,
969,
3876,
11628,
27132,
50388,
75582,
92378,
92378,
75582,
50388,
27132,
11628,
3876,
969,
171,
19,
1
]
]
end
end

2
elixir/pascals-triangle/test/test_helper.exs Normal file
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ExUnit.start()
ExUnit.configure(exclude: :pending, trace: true)