leetcode/problemset/count-and-say.js at develop · imcoddy/leetcode · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
/**
 * Source:  https://leetcode.com/problems/count-and-say/
 * Tags:    [String]
 * Level:   Easy
 * Title:   Count and Say
 * Auther:  @imcoddy
 * Content: The count-and-say sequence is the sequence of integers beginning as follows:
 * 1, 11, 21, 1211, 111221, ...
 *
 *
 *
 * 1 is read off as "one 1" or 11.
 * 11 is read off as "two 1s" or 21.
 * 21 is read off as "one 2, then one 1" or 1211.
 *
 *
 *
 * Given an integer n, generate the nth sequence.
 *
 *
 *
 * Note: The sequence of integers will be represented as a string.
 *
 *
 *
 *
 *                   Subscribe to see which companies asked this question
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *                   Show Similar Problems
 *
 *
 *                      (M) Encode and Decode Strings
 */

/**
 * @param {number} n
 * @return {string}
 */
var countAndSay = function(n) {

};