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update the symmetric difference challenge

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Quincy Larson
2015-04-19 01:18:56 -07:00
parent 9fa12b8ad4
commit 102550fd0b
1 changed files with 19 additions and 19 deletions
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seed_data/bonfires.json
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@ -605,21 +605,6 @@
"expect(pairwise([], 100)).to.equal(0);" "expect(pairwise([], 100)).to.equal(0);"
] ]
}, },
{
"_id": "a3f503de51cf954ede28891d",
"name": "Symmetric Difference",
"difficulty": "2.20",
"description": [
"Create a function that takes two or more arrays and returns an array of the symmetric difference of the provided arrays.",
"The mathematical term symmetric difference refers to the elements in two sets that are in either the first or second set, but not in both."
],
"challengeSeed": "function sym(arr) {\n return arr;\r\n}\n\nsym([1, 2, 3], [5, 2, 1, 4]);",
"tests": [
"assert.deepEqual(sym([1, 2, 5], [2, 3, 5], [3, 4, 5]), [1, 4, 5], 'should return the symmetric difference of the given arrays');",
"assert.deepEqual(sym([1, 1, 2, 5], [2, 2, 3, 5], [3, 4, 5, 5]), [1, 4, 5], 'should return an array of unique values');",
"assert.deepEqual(sym([1, 1]), [1], 'should return an array of unique values');"
]
},
{ {
"_id": "a10d2431ad0c6a099a4b8b52", "_id": "a10d2431ad0c6a099a4b8b52",
"name": "Everything Be True", "name": "Everything Be True",
@ -735,10 +720,25 @@
], ],
"challengeSeed": "function telephoneCheck(str) {\n // Good luck!\n return true;\n}\n\n\n\ntelephoneCheck(\"555-555-5555\");" "challengeSeed": "function telephoneCheck(str) {\n // Good luck!\n return true;\n}\n\n\n\ntelephoneCheck(\"555-555-5555\");"
}, },
{
"_id": "a3f503de51cf954ede28891d",
"name": "Symmetric Difference",
"difficulty": "4.02",
"description": [
"Create a function that takes two or more arrays and returns an array of the symmetric difference of the provided arrays.",
"The mathematical term symmetric difference refers to the elements in two sets that are in either the first or second set, but not in both."
],
"challengeSeed": "function sym(args) {\n return arr;\r\n}\n\nsym([1, 2, 3], [5, 2, 1, 4]);",
"tests": [
"assert.deepEqual(sym([1, 2, 5], [2, 3, 5], [3, 4, 5]), [1, 4, 5], 'should return the symmetric difference of the given arrays');",
"assert.deepEqual(sym([1, 1, 2, 5], [2, 2, 3, 5], [3, 4, 5, 5]), [1, 4, 5], 'should return an array of unique values');",
"assert.deepEqual(sym([1, 1]), [1], 'should return an array of unique values');"
]
},
{ {
"_id": "aa2e6f85cab2ab736c9a9b24", "_id": "aa2e6f85cab2ab736c9a9b24",
"name": "Cash Register", "name": "Cash Register",
"difficulty": "4.02", "difficulty": "4.03",
"description": [ "description": [
"Design a cash register drawer function that accepts purchase price as the first argument, payment as the second argument, and cash-in-drawer (cid) as the third argument.", "cid is a 2d array listing available currency.", "Return the string \"Insufficient Funds\" if cash-in-drawer is less than the change due. Return the string \"Closed\" if cash-in-drawer is equal to the change due.", "Otherwise, return change in coin and bills, sorted in highest to lowest order." "Design a cash register drawer function that accepts purchase price as the first argument, payment as the second argument, and cash-in-drawer (cid) as the third argument.", "cid is a 2d array listing available currency.", "Return the string \"Insufficient Funds\" if cash-in-drawer is less than the change due. Return the string \"Closed\" if cash-in-drawer is equal to the change due.", "Otherwise, return change in coin and bills, sorted in highest to lowest order."
], ],
@ -756,7 +756,7 @@
{ {
"_id": "a56138aff60341a09ed6c480", "_id": "a56138aff60341a09ed6c480",
"name": "Inventory Update", "name": "Inventory Update",
"difficulty": "4.03", "difficulty": "4.04",
"description": [ "description": [
"Compare and update inventory stored in a 2d array against a second 2d array of a fresh delivery. Update current inventory item quantity, and if an item cannot be found, add the new item and quantity into the inventory array in alphabetical order." "Compare and update inventory stored in a 2d array against a second 2d array of a fresh delivery. Update current inventory item quantity, and if an item cannot be found, add the new item and quantity into the inventory array in alphabetical order."
], ],
@ -773,7 +773,7 @@
{ {
"_id": "a7bf700cd123b9a54eef01d5", "_id": "a7bf700cd123b9a54eef01d5",
"name": "No repeats please", "name": "No repeats please",
"difficulty": "4.04", "difficulty": "4.05",
"description": [ "description": [
"Return the number of total permutations of the provided string that don't have repeated consecutive letters.", "Return the number of total permutations of the provided string that don't have repeated consecutive letters.",
"For example, 'aab' should return 2 because it has 6 total permutations, but only 2 of them don't have the same letter (in this case 'a') repeating." "For example, 'aab' should return 2 because it has 6 total permutations, but only 2 of them don't have the same letter (in this case 'a') repeating."
@ -792,7 +792,7 @@
{ {
"_id": "a19f0fbe1872186acd434d5a", "_id": "a19f0fbe1872186acd434d5a",
"name": "Friendly Date Ranges", "name": "Friendly Date Ranges",
"difficulty": "4.05", "difficulty": "4.06",
"description": [ "description": [
"Implement a way of converting two dates into a more friendly date range that could be presented to a user.", "Implement a way of converting two dates into a more friendly date range that could be presented to a user.",
"It must not show any redundant information in the date range.", "It must not show any redundant information in the date range.",