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#include<bits/stdc++.h>
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using namespace std;
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//C++STL<54><4C>ȫ<EFBFBD><C8AB><EFBFBD>к<EFBFBD><D0BA><EFBFBD>next_permutation<6F><6E>ʹ<EFBFBD><CAB9>
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// https://blog.csdn.net/ac_gibson/article/details/45308645
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int main()
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{
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int a[3] = { 3,1,2 };
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//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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sort(a, a + 3);
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//ȫ<><C8AB><EFBFBD><EFBFBD>
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do
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{
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cout << a[0] << a[1] << a[2] << endl;
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} while (next_permutation(a, a + 3));
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return 0;
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}
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