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#include <bits/stdc++.h>
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using namespace std;
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int a[10];
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int main() {
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int n;
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cin >> n;
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//放入数组
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for (int i = 1; i <= n; i++) a[i] = i;
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do {
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//输出打印
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for (int i = 1; i <= n; i++) printf("%5d", a[i]);
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printf("\n");
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} while (next_permutation(a + 1, a + n + 1));//注意前闭后开
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return 0;
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} |
