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Fixed formatting of the 24 Game | Rosetta challenge

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The Coding Aviator
2019-02-24 20:09:41 +05:30
committed by Kristofer Koishigawa
parent 45f5a8d6b8
commit f8061bcb56
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curriculum/challenges/english/08-coding-interview-prep/rosetta-code/24-game.english.md
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@ -6,22 +6,22 @@ challengeType: 5
## Description
<section id='description'>
<p>Implement a function that takes a string of four digits as its argument, with each digit from 1 ──► 9 (inclusive) with repetitions allowed, and returns an arithmetic expression that evaluates to the number 24. If no such solution exists, return "no solution exists."</p>
<p>Rules:</p>
Only the following operators/functions are allowed: multiplication, division, addition, subtraction
Division should use floating point or rational arithmetic, etc, to preserve remainders.
Forming multiple digit numbers from the supplied digits is disallowed. (So an answer of 12+12 when given 1, 2, 2, and 1 is wrong).
The order of the digits when given does not have to be preserved.
<p>Example inputs:</p>
<code>solve24("4878");</code>
<code>solve24("1234");</code>
<code>solve24("6789");</code>
<code>solve24("1127");</code>
<p>Example outputs (strings):</p>
<code>(7-8/8)*4</code>
<code>3*1*4*2</code>
<code>(6*8)/(9-7)</code>
<code>(1+7)*(2+1)</code>
<p>Implement a function that takes a string of four digits as its argument, with each digit from 1 to 9 (inclusive) with repetitions allowed, and returns an arithmetic expression that evaluates to the number 24. If no such solution exists, return "no solution exists."</p>
### Rules:
<ul>
<li> Only the following operators/functions are allowed: multiplication, division, addition, subtraction. </li>
<li> Division should use floating point or rational arithmetic, etc, to preserve remainders. </li>
<li> Forming multiple digit numbers from the supplied digits is disallowed. (So an answer of 12+12 when given 1, 2, 2, and 1 is wrong). </li>
<li> The order of the digits when given does not have to be preserved. </li>
</ul>
| Example input | Example output |
| --- | --- |
| <code>solve24("4878");</code> | <code>(7-8/8)*4</code> |
| <code>solve24("1234");</code> | <code>3*1*4*2</code> |
| <code>solve24("6789");</code> | <code>(6*8)/(9-7)</code> |
| <code>solve24("1127");</code> | <code>(1+7)*(2+1)</code> |
</section>
## Instructions
@ -55,7 +55,7 @@ tests:
<div id='js-seed'>
```js
function solve24 (numStr) {
function solve24 (numStr){
// Good luck!
return true;
}
@ -99,7 +99,7 @@ function include(ansArr, res) {
```js
// noprotect
function solve24 (numStr) {
function solve24 (numStr){
const digitsArr = numStr.split('');
const answers = [];