# Question

Formatted question description: https://leetcode.ca/all/38.html

38	Count and Say

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.



# Algorithm

The algorithm is very simple, that is, for the previous number, find the number of the same element, and store the number and the element in the new string.

Java