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#include<iostream>
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using namespace std;
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void HN(int n, char A, char B, char C)
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{
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if (n == 1)
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{ //<2F><>ʼλ<CABC><CEBB>ֻʣ<D6BB><CAA3>һ<EFBFBD><D2BB>ʱ<EFBFBD><CAB1>ֱ<EFBFBD><D6B1><EFBFBD>ƶ<EFBFBD><C6B6><EFBFBD>Ŀ<EFBFBD>ĵأ<C4B5><D8A3>ڶ<EFBFBD><DAB6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƶ<EFBFBD><C6B6><EFBFBD>C<EFBFBD><43>
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cout << A << "->" << C << endl;
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return;
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}
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HN(n - 1, A, C, B); //<2F><>A<EFBFBD><41><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӣ<EFBFBD><D3A3><EFBFBD>תΪC<CEAA><43><EFBFBD>ƶ<EFBFBD><C6B6><EFBFBD>B <20><><EFBFBD><EFBFBD><EFBFBD>ǵ<EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƶ<EFBFBD><C6B6><EFBFBD>B<EFBFBD><42>
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cout << A << "->" << C << endl;
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HN(n - 1, B, A, C); //<2F><>B<EFBFBD><42><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӣ<EFBFBD><D3A3><EFBFBD>תΪA<CEAA><41><EFBFBD>ƶ<EFBFBD><C6B6><EFBFBD>C<EFBFBD><43><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>B<EFBFBD>ϵ<EFBFBD><CFB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƶ<EFBFBD><C6B6><EFBFBD>C<EFBFBD><43>
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return;
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}
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int main()
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{
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int n;
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cout << "<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>A<EFBFBD><EFBFBD><EFBFBD>м<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˳<EFBFBD><EFBFBD><EFBFBD>źõĵ<EFBFBD><EFBFBD>ӣ<EFBFBD>";
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cin >> n;
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cout << "<EFBFBD>ƶ<EFBFBD>˳<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>\n";
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HN(n, 'A', 'B', 'C');
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return 0;
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}
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