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Polish queue from stacks challenge and solution (#74)
Update constraints, algorithm discussion, and code.
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@@ -34,9 +34,13 @@
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"source": [
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"## Constraints\n",
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"\n",
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"* Do you expect the methods to be enqueue and dequeue?\n",
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"* Do we expect the methods to be enqueue and dequeue?\n",
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" * Yes\n",
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"* Can we assume we already have a stack class that can be used for this problem?\n",
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" * Yes\n",
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"* Can we push a None value to the Stack?\n",
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" * No\n",
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"* Can we assume this fits memory?\n",
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" * Yes"
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]
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},
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@@ -179,21 +183,21 @@
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],
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"metadata": {
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"kernelspec": {
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"display_name": "Python 2",
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"display_name": "Python 3",
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"language": "python",
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"name": "python2"
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"name": "python3"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 2
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"version": 3
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},
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython2",
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"version": "2.7.10"
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"pygments_lexer": "ipython3",
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"version": "3.5.0"
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}
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},
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"nbformat": 4,
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