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

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* 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>
This commit is contained in:
Oliver Eyton-Williams
2021-01-13 03:31:00 +01:00
committed by GitHub
parent 0095583028
commit ee1e8abd87
4163 changed files with 57505 additions and 10540 deletions
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33
curriculum/challenges/chinese/10-coding-interview-prep/rosetta-code/entropy.md
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@ -3,6 +3,7 @@ id: 599d15309e88c813a40baf58
title: 熵
challengeType: 5
videoUrl: ''
dashedName: entropy
---
# --description--
@ -61,5 +62,37 @@ assert.equal(entropy('0123456789abcdef'), 4);
assert.equal(entropy('1223334444'), 1.8464393446710154);
```
# --seed--
## --seed-contents--
```js
function entropy(s) {
}
```
# --solutions--
```js
function entropy(s) {
// Create a dictionary of character frequencies and iterate over it.
function process(s, evaluator) {
let h = Object.create(null),
k;
s.split('').forEach(c => {
h[c] && h[c]++ || (h[c] = 1); });
if (evaluator) for (k in h) evaluator(k, h[k]);
return h;
}
// Measure the entropy of a string in bits per symbol.
let sum = 0,
len = s.length;
process(s, (k, f) => {
const p = f / len;
sum -= p * Math.log(p) / Math.log(2);
});
return sum;
}
```