var sum1 = 0
for hudder in 1...4{
for ten in 1...4{
for num in 1...4{
if hudder != ten && hudder != num && ten != num{
print(hudder100 + ten10 + num)
sum1 += 1
}
}
}
}
print(sum1)
var sum1 = 0
for hudder in 1...4{
for ten in 1...4{
for num in 1...4{
if hudder != ten && hudder != num && ten != num{
print(hudder100 + ten10 + num)
sum1 += 1
}
}
}
}
print(sum1)
本文标题:1、2、3、4能组成几个三位数->Swift
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