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Problem1557--数字全排列 (用dfs算法)
1557: 数字全排列 (用dfs算法)
Time Limit:
1 Sec
Memory Limit:
128 MB
Submit:
1
Solved:
0
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Description
输入一个整数n(n<10),输出1-n的全排列
Input
输入一个整数n
Output
输出1-n的全排列
Sample Input
Copy
3
Sample Output
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123 132 213 231 312 321
Source/Category
搜索回溯算法(DFS)