完了我要被吃了……
全都 TLE 了。什么问题啊?
import itertools
s=input().split(" ")
s=int(s[0])
pmt=itertools.permutations(range(1,s+1))
for ite in pmt:
ansj=list(ite)
src=list()
while len(ansj):
tmp=ansj[0]
ansj.remove(tmp)
ansj.append(tmp)
tmp=ansj[0]
ansj.pop(0)
src.append(tmp)
if src==range(1,s+1):
for i in ite:
print(i,end=" ")