拼多多算法笔试 第二题 dfs枚举
def helper(origin,new_idxs):
'''
将list 按新的索引重排
'''
res=[]
for new_idx in new_idxs:
res.append(origin[new_idx-1])
return res
def bfs(origin,target):
'''
判断两个骰子是否一样
'''
if origin ==target:
return True
visited =[origin]
queue= [origin]
choices=[ [1,2,6,5,3,4], #向左翻转90度
[6,5,3,4,1,2] #向下翻转90度
]
while queue:
tmp=queue.pop(0)
for choice in choices:
res =helper(tmp,choice)
if res ==target:
return True
if res not in visited:
visited.append(res)
queue.append(res)
return False #笔试题目##拼多多#
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