全部排列问题
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题目描述
输入 输出 个数的全部排列。数字可以重复。
输入格式
一个数 。
输出格式
若干组排列。
2
11
12
21
22
数据范围
You cannot submit for this problem because the contest is ended. You can click "Open in Problem Set" to view this problem in normal mode.
输入 输出 个数的全部排列。数字可以重复。
一个数 。
若干组排列。
2
11
12
21
22