题解 | #配置文件恢复# 力争最简!

l1=['reset','reset board','board add','board delete','reboot backplane','backplane abort']
l2=['reset what','board fault','where to add','no board at all','impossible','install first']
l3=['unknown command']
while 1:
    try:
        ml=input().split()
        cd1,cd2=len(ml[0]),len(ml[-1]) 
        mmll=[]
        for i in l1:
            i1=i.split()
            if ml[0]==i1[0][:cd1] and ml[-1]==i1[-1][:cd2]:
                mmll.append(i)
        if len(mmll)==1:
            print(l2[l1.index(mmll[0])])
        else:
            print(l3[0])
    except:
        break