Online conding Test in HackRank:
1.Find the most larstest nums in array(duplicated)
2.I forgot.....
3.Give a string, find the maxmnum number of non-repeating group.

phone interview:
session 1:
1.How to debug... very detail...
2.C++ question such like smart pointer/constant/static/class/inheritance
3.coding: two array find the duplicated, return it with decending order.

session 2:
1.linux question, linux driver , DTS , How to debug.
2.conding: leetcode: 647. Palindromic Substrings

session 3 :
behavior question, no coding

session 4:
1.debug experience, linux question.
2.coding: 24 RGB bit string mapping to the nerlest specify color, return string.

result:
1 week later, not qualify.