mirror of
https://github.com/donnemartin/interactive-coding-challenges
synced 2026-01-05 08:58:02 +00:00
@@ -145,15 +145,15 @@
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"outputs": [],
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"source": [
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"# %load test_knapsack.py\n",
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"from nose.tools import assert_equal, assert_raises\n",
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"import unittest\n",
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"\n",
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"\n",
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"class TestKnapsack(object):\n",
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"class TestKnapsack(unittest.TestCase):\n",
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"\n",
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" def test_knapsack_bottom_up(self):\n",
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" knapsack = Knapsack()\n",
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" assert_raises(TypeError, knapsack.fill_knapsack, None, None)\n",
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" assert_equal(knapsack.fill_knapsack(0, 0), 0)\n",
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" self.assertRaises(TypeError, knapsack.fill_knapsack, None, None)\n",
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" self.assertEqual(knapsack.fill_knapsack(0, 0), 0)\n",
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" items = []\n",
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" items.append(Item(label='a', value=2, weight=2))\n",
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" items.append(Item(label='b', value=4, weight=2))\n",
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@@ -162,18 +162,18 @@
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" total_weight = 8\n",
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" expected_value = 13\n",
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" results = knapsack.fill_knapsack(items, total_weight)\n",
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" assert_equal(results[0].label, 'd')\n",
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" assert_equal(results[1].label, 'b')\n",
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" self.assertEqual(results[0].label, 'd')\n",
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" self.assertEqual(results[1].label, 'b')\n",
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" total_value = 0\n",
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" for item in results:\n",
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" total_value += item.value\n",
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" assert_equal(total_value, expected_value)\n",
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" self.assertEqual(total_value, expected_value)\n",
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" print('Success: test_knapsack_bottom_up')\n",
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"\n",
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" def test_knapsack_top_down(self):\n",
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" knapsack = KnapsackTopDown()\n",
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" assert_raises(TypeError, knapsack.fill_knapsack, None, None)\n",
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" assert_equal(knapsack.fill_knapsack(0, 0), 0)\n",
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" self.assertRaises(TypeError, knapsack.fill_knapsack, None, None)\n",
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" self.assertEqual(knapsack.fill_knapsack(0, 0), 0)\n",
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" items = []\n",
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" items.append(Item(label='a', value=2, weight=2))\n",
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" items.append(Item(label='b', value=4, weight=2))\n",
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@@ -181,7 +181,7 @@
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" items.append(Item(label='d', value=9, weight=5))\n",
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" total_weight = 8\n",
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" expected_value = 13\n",
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" assert_equal(knapsack.fill_knapsack(items, total_weight), expected_value)\n",
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" self.assertEqual(knapsack.fill_knapsack(items, total_weight), expected_value)\n",
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" print('Success: test_knapsack_top_down')\n",
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"\n",
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"def main():\n",
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@@ -220,7 +220,7 @@
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.6.4"
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"version": "3.7.2"
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}
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},
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"nbformat": 4,
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