cnt = 0
for i in range(1,5):
for j in range (1,5):
for k in range (1,5):
if i != j and i!= k and j!=k:
print(i*100+j*10+k)
cnt += 1
print (cnt)
cnt = 0
for i in range(1,5):
for j in range (1,5):
for k in range (1,5):
if i != j and i!= k and j!=k:
print(i*100+j*10+k)
cnt += 1
print (cnt)
本文标题:题目:有1、2、3、4个数字,能组成多少个互不相同且无重复数字的
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