Python|选书 回溯 python
data = https://www.it610.com/article/[
[0,0,0,0,0,0],
[0,0,0,1,1,0],
[0,1,1,0,0,1],
[0,0,1,1,0,0],
[0,0,0,0,1,0],
[0,0,1,0,0,1]
]book = [0 for i in range(6)]
flag = [1 for i in range(6)]def dfs(i):
for j in range(1,6):
if flag[j] == 1 and data[i][j] == 1:
flag[j] = 0
book[i] = j
if i == 5:
for k in range(1,6):
print(chr(64+book[k]),end=" ")
print()
else:
dfs(i+1)
flag[j] = 1
book[i] = 0dfs(1)
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