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82 lines
2.2 KiB
Markdown
82 lines
2.2 KiB
Markdown
---
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id: 69162d64f96574d9bb629efd
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title: "Challenge 112: AI Detector"
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challengeType: 28
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dashedName: challenge-112
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---
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# --description--
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Today's challenge is inspired by the release of ChatGPT on November 30, 2022.
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Given a string of one or more sentences, determine if it was likely generated by AI using the following rules:
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- It contains two or more dashes (`-`).
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- It contains two or more sets of parenthesis (`()`). Text can be within the parenthesis.
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- It contains three or more words with 7 or more letters.
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- Words are separated by a single space and only consist of letters (`A-Z`). Don't include punctuation or other non-letters as part of a word.
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If the given sentence meets any of the rules above, return `"AI"`, otherwise, return `"Human"`.
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# --hints--
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`detectAI("The quick brown fox jumped over the lazy dog.")` should return `"Human"`.
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```js
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assert.equal(detectAI("The quick brown fox jumped over the lazy dog."), "Human");
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```
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`detectAI("The hypersonic brown fox - jumped (over) the lazy dog.")` should return `"Human"`.
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```js
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assert.equal(detectAI("The hypersonic brown fox - jumped (over) the lazy dog."), "Human");
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```
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`detectAI("Yes - you're right! I made a mistake there - let me try again.")` should return `"AI"`.
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```js
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assert.equal(detectAI("Yes - you're right! I made a mistake there - let me try again."), "AI");
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```
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`detectAI("The extraordinary students were studying vivaciously.")` should return `"AI"`.
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```js
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assert.equal(detectAI("The extraordinary students were studying vivaciously."), "AI");
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```
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`detectAI("The (excited) student was (coding) in the library.")` should return `"AI"`.
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```js
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assert.equal(detectAI("The (excited) student was (coding) in the library."), "AI");
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```
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# --seed--
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## --seed-contents--
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```js
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function detectAI(text) {
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return text;
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}
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```
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# --solutions--
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```js
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function detectAI(text) {
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const dashCount = (text.match(/-/g) || []).length;
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if (dashCount >= 2) return "AI";
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const parenCount = (text.match(/\([^)]*\)/g) || []).length;
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if (parenCount >= 2) return "AI";
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const words = text.split(" ");
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const longWordCount = words.filter(w => w.replace(/[^A-Za-z]/g, "").length >= 7).length;
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if (longWordCount >= 3) return "AI";
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return "Human";
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}
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```
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