74 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
		
		
			
		
	
	
			74 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
|   | --- | ||
|  | id: 587d825d367417b2b2512c96 | ||
|  | title: Depth-First Search | ||
|  | challengeType: 1 | ||
|  | videoUrl: '' | ||
|  | localeTitle: '' | ||
|  | --- | ||
|  | 
 | ||
|  | ## Description
 | ||
|  | undefined | ||
|  | 
 | ||
|  | ## Instructions
 | ||
|  | undefined | ||
|  | 
 | ||
|  | ## Tests
 | ||
|  | <section id='tests'> | ||
|  | 
 | ||
|  | ```yml | ||
|  | tests: | ||
|  |   - text: '' | ||
|  |     testString: 'assert.sameMembers((function() { var graph = [[0, 1, 0, 0], [1, 0, 1, 0], [0, 1, 0, 1], [0, 0, 1, 0]]; return dfs(graph, 1);})(), [0, 1, 2, 3], "The input graph <code>[[0, 1, 0, 0], [1, 0, 1, 0], [0, 1, 0, 1], [0, 0, 1, 0]]</code> with a start node of <code>1</code> should return an array with <code>0</code>, <code>1</code>, <code>2</code>, and <code>3</code>.");' | ||
|  |   - text: '' | ||
|  |     testString: 'assert((function() { var graph = [[0, 1, 0, 0], [1, 0, 1, 0], [0, 1, 0, 1], [0, 0, 1, 0]]; return dfs(graph, 1);})().length === 4, "The input graph <code>[[0, 1, 0, 0], [1, 0, 1, 0], [0, 1, 0, 1], [0, 0, 1, 0]]</code> with a start node of <code>1</code> should return an array with four elements.");' | ||
|  |   - text: '' | ||
|  |     testString: 'assert.sameMembers((function() { var graph = [[0, 1, 0, 0], [1, 0, 1, 0], [0, 1, 0, 0], [0, 0, 0, 0]]; return dfs(graph, 3);})(), [3], "The input graph <code>[[0, 1, 0, 0], [1, 0, 1, 0], [0, 1, 0, 0], [0, 0, 0, 0]]</code> with a start node of <code>3</code> should return an array with <code>3</code>.");' | ||
|  |   - text: '' | ||
|  |     testString: 'assert((function() { var graph = [[0, 1, 0, 0], [1, 0, 1, 0], [0, 1, 0, 0], [0, 0, 0, 0]]; return dfs(graph, 3);})().length === 1, "The input graph <code>[[0, 1, 0, 0], [1, 0, 1, 0], [0, 1, 0, 0], [0, 0, 0, 0]]</code> with a start node of <code>3</code> should return an array with one element.");' | ||
|  |   - text: '' | ||
|  |     testString: 'assert.sameMembers((function() { var graph = [[0, 1, 0, 0], [1, 0, 0, 0], [0, 0, 0, 1], [0, 0, 1, 0]]; return dfs(graph, 3);})(), [2, 3], "The input graph <code>[[0, 1, 0, 0], [1, 0, 0, 0], [0, 0, 0, 1], [0, 0, 1, 0]]</code> with a start node of <code>3</code> should return an array with <code>2</code> and <code>3</code>.");' | ||
|  |   - text: '' | ||
|  |     testString: 'assert((function() { var graph = [[0, 1, 0, 0], [1, 0, 0, 0], [0, 0, 0, 1], [0, 0, 1, 0]]; return dfs(graph, 3);})().length === 2, "The input graph <code>[[0, 1, 0, 0], [1, 0, 0, 0], [0, 0, 0, 1], [0, 0, 1, 0]]</code> with a start node of <code>3</code> should return an array with two elements.");' | ||
|  |   - text: '' | ||
|  |     testString: 'assert.sameMembers((function() { var graph = [[0, 1, 0, 0], [1, 0, 0, 0], [0, 0, 0, 1], [0, 0, 1, 0]]; return dfs(graph, 0);})(), [0, 1], "The input graph <code>[[0, 1, 0, 0], [1, 0, 0, 0], [0, 0, 0, 1], [0, 0, 1, 0]]</code> with a start node of <code>0</code> should return an array with <code>0</code> and <code>1</code>.");' | ||
|  |   - text: '' | ||
|  |     testString: 'assert((function() { var graph = [[0, 1, 0, 0], [1, 0, 0, 0], [0, 0, 0, 1], [0, 0, 1, 0]]; return dfs(graph, 0);})().length === 2, "The input graph <code>[[0, 1, 0, 0], [1, 0, 0, 0], [0, 0, 0, 1], [0, 0, 1, 0]]</code> with a start node of <code>0</code> should return an array with two elements.");' | ||
|  | 
 | ||
|  | ``` | ||
|  | 
 | ||
|  | </section> | ||
|  | 
 | ||
|  | ## Challenge Seed
 | ||
|  | <section id='challengeSeed'> | ||
|  | 
 | ||
|  | <div id='js-seed'> | ||
|  | 
 | ||
|  | ```js | ||
|  | function dfs(graph, root) { | ||
|  | 
 | ||
|  | } | ||
|  | 
 | ||
|  | var exDFSGraph = [ | ||
|  |   [0, 1, 0, 0], | ||
|  |   [1, 0, 1, 0], | ||
|  |   [0, 1, 0, 1], | ||
|  |   [0, 0, 1, 0] | ||
|  | ]; | ||
|  | console.log(dfs(exDFSGraph, 3)); | ||
|  | 
 | ||
|  | ``` | ||
|  | 
 | ||
|  | </div> | ||
|  | 
 | ||
|  | 
 | ||
|  | 
 | ||
|  | </section> | ||
|  | 
 | ||
|  | ## Solution
 | ||
|  | <section id='solution'> | ||
|  | 
 | ||
|  | ```js | ||
|  | // solution required | ||
|  | ``` | ||
|  | </section> |