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Tweaked rotation challenge.

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Donne Martin 2015-07-03 19:57:56 -04:00
parent 8ac0bd3f69
commit 888d3bb772
2 changed files with 35 additions and 17 deletions
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29
arrays_strings/rotation/rotation_challenge.ipynb
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@ -4,7 +4,14 @@
"cell_type": "markdown", "cell_type": "markdown",
"metadata": {}, "metadata": {},
"source": [ "source": [
"<small><i>This notebook was prepared by [Donne Martin](http://donnemartin.com). Source and license info is on [GitHub](https://bit.ly/code-notes).</i></small>" "<small><i>This notebook was prepared by [Donne Martin](http://donnemartin.com). Source and license info is on [GitHub](https://github.com/donnemartin/coding-challenges).</i></small>"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Challenge Notebook"
] ]
}, },
{ {
@ -17,7 +24,8 @@
"* [Test Cases](#Test-Cases)\n", "* [Test Cases](#Test-Cases)\n",
"* [Algorithm](#Algorithm)\n", "* [Algorithm](#Algorithm)\n",
"* [Code](#Code)\n", "* [Code](#Code)\n",
"* [Unit Test](#Unit-Test)" "* [Unit Test](#Unit-Test)\n",
"* [Solution Notebook](#Solution-Notebook)"
] ]
}, },
{ {
@ -26,9 +34,9 @@
"source": [ "source": [
"## Constraints\n", "## Constraints\n",
"\n", "\n",
"*Problem statements are often intentionally ambiguous. Identifying constraints and stating assumptions can help to ensure you code the intended solution.*\n", "*Problem statements are sometimes ambiguous. Identifying constraints and stating assumptions can help to ensure you code the intended solution.*\n",
"\n", "\n",
"* Can I assume the string is ASCII?\n", "* Can you assume the string is ASCII?\n",
" * Yes\n", " * Yes\n",
" * Note: Unicode strings could require special handling depending on your language\n", " * Note: Unicode strings could require special handling depending on your language\n",
"* Can you use additional data structures? \n", "* Can you use additional data structures? \n",
@ -56,7 +64,7 @@
"source": [ "source": [
"## Algorithm\n", "## Algorithm\n",
"\n", "\n",
"Refer to the solution notebook. If you are stuck and need a hint, the solution notebook's algorithm discussion might be a good place to start." "Refer to the [Solution Notebook](http://nbviewer.ipython.org/github/donnemartin/coding-challenges/blob/master/arrays_strings/rotation/rotation_solution.ipynb). If you are stuck and need a hint, the solution notebook's algorithm discussion might be a good place to start."
] ]
}, },
{ {
@ -95,7 +103,7 @@
"cell_type": "markdown", "cell_type": "markdown",
"metadata": {}, "metadata": {},
"source": [ "source": [
"*It is important to identify and run through general and edge cases from the [Test Cases](#Test-Cases) section by hand. You generally will not be asked to write a unit test like what is shown below.*\n", "\n",
"\n", "\n",
"**The following unit test is expected to fail until you solve the challenge.**" "**The following unit test is expected to fail until you solve the challenge.**"
] ]
@ -129,6 +137,15 @@
"if __name__ == '__main__':\n", "if __name__ == '__main__':\n",
" main()" " main()"
] ]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Solution Notebook\n",
"\n",
"Review the [Solution Notebook](http://nbviewer.ipython.org/github/donnemartin/coding-challenges/blob/master/arrays_strings/rotation/rotation_solution.ipynb) for a discussion on algorithms and code solutions."
]
} }
], ],
"metadata": { "metadata": {

23
arrays_strings/rotation/rotation_solution.ipynb
View File

@ -4,7 +4,14 @@
"cell_type": "markdown", "cell_type": "markdown",
"metadata": {}, "metadata": {},
"source": [ "source": [
"<small><i>This notebook was prepared by [Donne Martin](http://donnemartin.com). Source and license info is on [GitHub](https://bit.ly/code-notes).</i></small>" "<small><i>This notebook was prepared by [Donne Martin](http://donnemartin.com). Source and license info is on [GitHub](https://github.com/donnemartin/coding-challenges).</i></small>"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Solution Notebook"
] ]
}, },
{ {
@ -17,7 +24,8 @@
"* [Test Cases](#Test-Cases)\n", "* [Test Cases](#Test-Cases)\n",
"* [Algorithm](#Algorithm)\n", "* [Algorithm](#Algorithm)\n",
"* [Code](#Code)\n", "* [Code](#Code)\n",
"* [Unit Test](#Unit-Test)" "* [Unit Test](#Unit-Test)\n",
"* [Solution Notebook](#Solution-Notebook)"
] ]
}, },
{ {
@ -26,9 +34,9 @@
"source": [ "source": [
"## Constraints\n", "## Constraints\n",
"\n", "\n",
"*Problem statements are often intentionally ambiguous. Identifying constraints and stating assumptions can help to ensure you code the intended solution.*\n", "*Problem statements are sometimes ambiguous. Identifying constraints and stating assumptions can help to ensure you code the intended solution.*\n",
"\n", "\n",
"* Can I assume the string is ASCII?\n", "* Can you assume the string is ASCII?\n",
" * Yes\n", " * Yes\n",
" * Note: Unicode strings could require special handling depending on your language\n", " * Note: Unicode strings could require special handling depending on your language\n",
"* Can you use additional data structures? \n", "* Can you use additional data structures? \n",
@ -103,13 +111,6 @@
"## Unit Test" "## Unit Test"
] ]
}, },
{
"cell_type": "markdown",
"metadata": {},
"source": [
"*It is important to identify and run through general and edge cases from the [Test Cases](#Test-Cases) section by hand. You generally will not be asked to write a unit test like what is shown below.*"
]
},
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 2, "execution_count": 2,