LisPythoniC

摘要： def xwhile_stacks(n): stacks = [(0,n,None,None,)] while stacks: stg,n,possible,choice=stacks.pop() if stg==0: if n==1: res = 1,0 else: stacks.append((1,n,[],n-1)) stacks.append((0,1,None,None)) else: ... 阅读全文