#coding=utf-8
import?sys
class?Banker（）:
????def?__init__（selfmn）:
????????self.m=m
????????self.n=n

????def?safe（self）:
????????work=[]
????????finish=[]
????????f_num=0
????????for?i?in?range（n）:
????????????ava=[]
????????????for?j?in?range（m）:
????????????????ava.append（available[j]）
????????????work.append（ava）
????????‘‘‘print（work）‘‘‘
????????????
????????for?i?in?range（n）:
????????????finish.append（0）
????????????
????????for?i?in?range（n）:
????????????if?finish[i]==0:
????????????????for?j?in?range（m）:
????????????????????if?need[i][j]<=work[i][j]:
????????????????????????work[i][j]?+=allocation[i][j]
????????????????????????finish[i]=1?#有問題！
????????????????????????f_num?+=1???#經i、j循環后值為15
????????????????????else:????????????????????????
????????????????????????break
????????‘‘‘print（f_num）‘‘‘
????????if?f_num==n*m:
????????????return?1
????????else:
????????????return?0
????????
????def?check（self）:
????????flag=1
????????for?i?in?range（n）:
????????????for?j?in?range（m）:
????????????????#try:
????????????????if?request[i][j]<=need[i][j]?and?request[i][j]<=available[j]:
????????????????????#‘int‘?object?is?not?iterable可迭代的
????????????????????available[j]?-=request[i][j]
????????????????????allocation[i][j]?+=request[i][j]
????????????????????need[i][j]?-=request[i][j]????????????????????????

????????????????else:
????????????????????‘‘‘print（‘ok‘）‘‘‘
????????????????????flag=0
????????????????????break
????????????????
????????if?flag==0:
????????????print（‘分配失敗！‘）
????????????
????????safe=Banker.safe（self）
????????‘‘‘print（safe）‘‘‘
????????#safe（）?takes?exactly?1?positional?argument?（0?given）需加self?