2.2 KiB
		
	
	
	
	
	
	
	
			
		
		
	
	
			2.2 KiB
		
	
	
	
	
	
	
	
title, id, challengeType, videoUrl, localeTitle
| title | id | challengeType | videoUrl | localeTitle | 
|---|---|---|---|---|
| Combinations | 5958469238c0d8d2632f46db | 5 | 组合 | 
Description
给定非负整数m和n ,以排序顺序生成从0 (零)到n-1的整数的所有大小m个 组合 (每个组合被排序并且整个表被排序)。
例:3梳子5是:
0 1 2 0 1 3 0 1 4 0 2 3 0 2 4 0 3 4 1 2 3 1 2 4 1 3 4 2 3 4
Instructions
Tests
tests:
  - text: <code>combinations</code>是一种功能。
    testString: 'assert(typeof combinations === "function", "<code>combinations</code> is a function.");'
  - text: '<code>combinations(3, 5)</code>应返回<code>[[0, 1, 2], [0, 1, 3], [0, 1, 4], [0, 2, 3], [0, 2, 4], [0, 3, 4], [1, 2, 3], [1, 2, 4], [1, 3, 4], [2, 3, 4]]</code> 。'
    testString: 'assert.deepEqual(combinations(testInput1[0], testInput1[1]), testOutput1, "<code>combinations(3, 5)</code> should return <code>[[0, 1, 2], [0, 1, 3], [0, 1, 4], [0, 2, 3], [0, 2, 4], [0, 3, 4], [1, 2, 3], [1, 2, 4], [1, 3, 4], [2, 3, 4]]</code>.");'
  - text: '<code>combinations(4, 6)</code>应返回<code>[[0,1,2,3], [0,1,2,4], [0,1,2,5], [0,1,3,4], [0,1,3,5], [0,1,4,5], [0,2,3,4], [0,2,3,5], [0,2,4,5], [0,3,4,5], [1,2,3,4], [1,2,3,5], [1,2,4,5], [1,3,4,5], [2,3,4,5]]</code>'
    testString: 'assert.deepEqual(combinations(testInput2[0], testInput2[1]), testOutput2, "<code>combinations(4, 6)</code> should return <code>[[0,1,2,3],  [0,1,2,4],  [0,1,2,5],  [0,1,3,4],  [0,1,3,5],  [0,1,4,5],  [0,2,3,4],  [0,2,3,5],  [0,2,4,5],  [0,3,4,5],  [1,2,3,4],  [1,2,3,5],  [1,2,4,5],  [1,3,4,5],  [2,3,4,5]]</code>");'
Challenge Seed
function combinations (m, n) {
  // Good luck!
  return true;
}
After Test
console.info('after the test');
Solution
// solution required