题解 | #计数#
计数
https://www.nowcoder.com/practice/628339bd8e6e440590ad86caa7ac6849
This solution might sound redundent, but I will improve it later, since it is developed by myself totally,the key logic will be like
find out all the index of item in a array, then push those index number into a array, after that, calculate the lengh of the array to get the number of repeatition time appear in a array.
