Here are the abbreviations which Leetcode uses:
LCUS (leetcode.com) = Leetcode United States
LCCN (leetcode-cn.com) = Leetcode China
AC = Accepted Code
WA = Wrong Answer
OJ = Online Judge
TC = Total Compensation
TLE = Time Limit Exceeded
MLE = Memory Limit Exceeded
YOLO=You Only Look/Live OnceIf this helps you then please vote up.
Thank you,