Messages are the same with ACM/UVa Online Judge System
AC: Accept. NA: Not Accepted. Some test cases were not currect. WA: Wrong Answer with the line number and current answer. TLE: Time Limit Exceed. MLE: Memory Limit Exceed. OLE: Output Limit Exceed. RE: Runtime Error e.q.: Out of range in Array. RF: Restricted Function. CE: Compile Error.The Compiler SE: System Error, undefined Errors.