​AC​=AnswerCoarse=粗劣的答案

WA=WonderfulAnswer=绝妙的答案

RE=RunExcellently=完美运行

TLE=TimeLimitEnough=时间充裕

MLE=MemoryLimitEnough=内存充裕

OLE=OutputLimitEnough=输出空间充裕

UKE=UnbelievablyKeepExcellent=难以置信地保持着完美

CE=CompileEasily=轻松通过编译