* 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>
104 lines
2.3 KiB
Markdown
104 lines
2.3 KiB
Markdown
---
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id: 594810f028c0303b75339acc
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title: ABC问题
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challengeType: 5
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videoUrl: ''
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dashedName: abc-problem
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---
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# --description--
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<p>您将获得ABC块的集合(例如,童年字母块)。每个街区有20个街区,两个字母。块的所有侧面都保证有完整的字母表。块的样本集合: </p><p> (BO) </p><p> (XK) </p><p> (DQ) </p><p> (CP) </p><p> (NA) </p><p> (GT) </p><p> (回覆) </p><p> (TG) </p><p> (QD) </p><p> (FS) </p><p> (JW) </p><p> (HU) </p><p> (VI) </p><p> (一个) </p><p> (OB) </p><p> (ER) </p><p> (FS) </p><p> (LY) </p><p> (PC) </p><p> (ZM) </p><p>要记住一些规则: </p>一旦使用了块上的字母,就不能再使用该块。该函数应该不区分大小写。 <p>实现一个带字符串(单词)的函数,并确定该单词是否可以与给定的块集合拼写。 </p>
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# --hints--
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`canMakeWord`是一个功能。
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```js
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assert(typeof canMakeWord === 'function');
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```
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`canMakeWord`应该返回一个布尔值。
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```js
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assert(typeof canMakeWord('hi') === 'boolean');
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```
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`canMakeWord("bark")`应该返回true。
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```js
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assert(canMakeWord(words[0]));
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```
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`canMakeWord("BooK")`应该返回false。
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```js
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assert(!canMakeWord(words[1]));
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```
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`canMakeWord("TReAT")`应该返回true。
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```js
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assert(canMakeWord(words[2]));
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```
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`canMakeWord("COMMON")`应返回false。
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```js
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assert(!canMakeWord(words[3]));
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```
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`canMakeWord("squAD")`应该返回true。
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```js
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assert(canMakeWord(words[4]));
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```
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`canMakeWord("conFUSE")`应该返回true。
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```js
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assert(canMakeWord(words[5]));
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```
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# --seed--
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## --after-user-code--
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```js
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const words = ['bark', 'BooK', 'TReAT', 'COMMON', 'squAD', 'conFUSE'];
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```
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## --seed-contents--
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```js
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function canMakeWord(word) {
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}
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```
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# --solutions--
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```js
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function canMakeWord(word) {
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const characters = 'BO XK DQ CP NA GT RE TG QD FS JW HU VI AN OB ER FS LY PC ZM';
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const blocks = characters.split(' ').map(pair => pair.split(''));
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const letters = [...word.toUpperCase()];
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let length = letters.length;
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const copy = new Set(blocks);
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letters.forEach(letter => {
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for (let block of copy) {
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const index = block.indexOf(letter);
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if (index !== -1) {
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length--;
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copy.delete(block);
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break;
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}
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}
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});
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return !length;
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}
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```
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