Oliver Eyton-Williams ee1e8abd87

feat(curriculum): restore seed + solution to Chinese (#40683 )

* feat(tools): add seed/solution restore script

* chore(curriculum): remove empty sections' markers

* chore(curriculum): add seed + solution to Chinese

* chore: remove old formatter

* fix: update getChallenges

parse translated challenges separately, without reference to the source

* chore(curriculum): add dashedName to English

* chore(curriculum): add dashedName to Chinese

* refactor: remove unused challenge property 'name'

* fix: relax dashedName requirement

* fix: stray tag

Remove stray `pre` tag from challenge file.

Signed-off-by: nhcarrigan <nhcarrigan@gmail.com>

Co-authored-by: nhcarrigan <nhcarrigan@gmail.com>

2021-01-12 19:31:00 -07:00

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id, title, challengeType, videoUrl, dashedName

id	title	challengeType	videoUrl	dashedName
a56138aff60341a09ed6c480	库存更新	5		inventory-update

--description--

比较并更新存储在2D阵列中的库存与新交付的第二个2D阵列。更新当前现有库存物料数量（在arr1 ）。如果找不到商品，请将新商品和数量添加到库存数组中。返回的库存数组应按项目的字母顺序排列。如果卡住，请记得使用Read-Search-Ask 。尝试配对程序。编写自己的代码。

--hints--

函数updateInventory应该返回一个数组。

assert.isArray(
  updateInventory(
    [
      [21, 'Bowling Ball'],
      [2, 'Dirty Sock'],
      [1, 'Hair Pin'],
      [5, 'Microphone']
    ],
    [
      [2, 'Hair Pin'],
      [3, 'Half-Eaten Apple'],
      [67, 'Bowling Ball'],
      [7, 'Toothpaste']
    ]
  )
);

assert.equal(
  updateInventory(
    [
      [21, 'Bowling Ball'],
      [2, 'Dirty Sock'],
      [1, 'Hair Pin'],
      [5, 'Microphone']
    ],
    [
      [2, 'Hair Pin'],
      [3, 'Half-Eaten Apple'],
      [67, 'Bowling Ball'],
      [7, 'Toothpaste']
    ]
  ).length,
  6
);

updateInventory([[21, "Bowling Ball"], [2, "Dirty Sock"], [1, "Hair Pin"], [5, "Microphone"]], [[2, "Hair Pin"], [3, "Half-Eaten Apple"], [67, "Bowling Ball"], [7, "Toothpaste"]])应返回[[88, "Bowling Ball"], [2, "Dirty Sock"], [3, "Hair Pin"], [3, "Half-Eaten Apple"], [5, "Microphone"], [7, "Toothpaste"]] 。

assert.deepEqual(
  updateInventory(
    [
      [21, 'Bowling Ball'],
      [2, 'Dirty Sock'],
      [1, 'Hair Pin'],
      [5, 'Microphone']
    ],
    [
      [2, 'Hair Pin'],
      [3, 'Half-Eaten Apple'],
      [67, 'Bowling Ball'],
      [7, 'Toothpaste']
    ]
  ),
  [
    [88, 'Bowling Ball'],
    [2, 'Dirty Sock'],
    [3, 'Hair Pin'],
    [3, 'Half-Eaten Apple'],
    [5, 'Microphone'],
    [7, 'Toothpaste']
  ]
);

updateInventory([[21, "Bowling Ball"], [2, "Dirty Sock"], [1, "Hair Pin"], [5, "Microphone"]], [])应该返回[[21, "Bowling Ball"], [2, "Dirty Sock"], [1, "Hair Pin"], [5, "Microphone"]] 。

assert.deepEqual(
  updateInventory(
    [
      [21, 'Bowling Ball'],
      [2, 'Dirty Sock'],
      [1, 'Hair Pin'],
      [5, 'Microphone']
    ],
    []
  ),
  [
    [21, 'Bowling Ball'],
    [2, 'Dirty Sock'],
    [1, 'Hair Pin'],
    [5, 'Microphone']
  ]
);

updateInventory([], [[2, "Hair Pin"], [3, "Half-Eaten Apple"], [67, "Bowling Ball"], [7, "Toothpaste"]])应该返回[[67, "Bowling Ball"], [2, "Hair Pin"], [3, "Half-Eaten Apple"], [7, "Toothpaste"]] 。

assert.deepEqual(
  updateInventory(
    [],
    [
      [2, 'Hair Pin'],
      [3, 'Half-Eaten Apple'],
      [67, 'Bowling Ball'],
      [7, 'Toothpaste']
    ]
  ),
  [
    [67, 'Bowling Ball'],
    [2, 'Hair Pin'],
    [3, 'Half-Eaten Apple'],
    [7, 'Toothpaste']
  ]
);

updateInventory([[0, "Bowling Ball"], [0, "Dirty Sock"], [0, "Hair Pin"], [0, "Microphone"]], [[1, "Hair Pin"], [1, "Half-Eaten Apple"], [1, "Bowling Ball"], [1, "Toothpaste"]])应返回[[1, "Bowling Ball"], [0, "Dirty Sock"], [1, "Hair Pin"], [1, "Half-Eaten Apple"], [0, "Microphone"], [1, "Toothpaste"]] 。

assert.deepEqual(
  updateInventory(
    [
      [0, 'Bowling Ball'],
      [0, 'Dirty Sock'],
      [0, 'Hair Pin'],
      [0, 'Microphone']
    ],
    [
      [1, 'Hair Pin'],
      [1, 'Half-Eaten Apple'],
      [1, 'Bowling Ball'],
      [1, 'Toothpaste']
    ]
  ),
  [
    [1, 'Bowling Ball'],
    [0, 'Dirty Sock'],
    [1, 'Hair Pin'],
    [1, 'Half-Eaten Apple'],
    [0, 'Microphone'],
    [1, 'Toothpaste']
  ]
);

--seed--

--seed-contents--

function updateInventory(arr1, arr2) {
    return arr1;
}

// Example inventory lists
var curInv = [
    [21, "Bowling Ball"],
    [2, "Dirty Sock"],
    [1, "Hair Pin"],
    [5, "Microphone"]
];

var newInv = [
    [2, "Hair Pin"],
    [3, "Half-Eaten Apple"],
    [67, "Bowling Ball"],
    [7, "Toothpaste"]
];

updateInventory(curInv, newInv);

--solutions--

function updateInventory(arr1, arr2) {
  arr2.forEach(function(item) {
    createOrUpdate(arr1, item);
  });
  // All inventory must be accounted for or you're fired!
  return arr1;
}

function createOrUpdate(arr1, item) {
  var index = -1;
  while (++index < arr1.length) {
    if (arr1[index][1] === item[1]) {
      arr1[index][0] += item[0];
      return;
    }
    if (arr1[index][1] > item[1]) {
      break;
    }
  }
  arr1.splice(index, 0, item);
}

// Example inventory lists
var curInv = [
    [21, 'Bowling Ball'],
    [2, 'Dirty Sock'],
    [1, 'Hair Pin'],
    [5, 'Microphone']
];

var newInv = [
    [2, 'Hair Pin'],
    [3, 'Half-Eaten Apple'],
    [67, 'Bowling Ball'],
    [7, 'Toothpaste']
];

updateInventory(curInv, newInv);

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