67 lines
1.4 KiB
C++
67 lines
1.4 KiB
C++
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/**
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* File: hanota.cpp
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* Created Time: 2023-07-17
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* Author: krahets (krahets@163.com)
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*/
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#include "../utils/common.hpp"
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/* <20>ƶ<EFBFBD>һ<EFBFBD><D2BB>Բ<EFBFBD><D4B2> */
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void move(vector<int> &src, vector<int> &tar) {
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// <20><> src <20><><EFBFBD><EFBFBD><EFBFBD>ó<EFBFBD>һ<EFBFBD><D2BB>Բ<EFBFBD><D4B2>
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int pan = src.back();
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src.pop_back();
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// <20><>Բ<EFBFBD>̷<EFBFBD><CCB7><EFBFBD> tar <20><><EFBFBD><EFBFBD>
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tar.push_back(pan);
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}
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/* <20><><EFBFBD>⺺ŵ<E2BABA><C5B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD> f(i) */
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void dfs(int i, vector<int> &src, vector<int> &buf, vector<int> &tar) {
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// <20><> src ֻʣ<D6BB><CAA3>һ<EFBFBD><D2BB>Բ<EFBFBD>̣<EFBFBD><CCA3><EFBFBD>ֱ<EFBFBD>ӽ<EFBFBD><D3BD><EFBFBD><EFBFBD>Ƶ<EFBFBD> tar
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if (i == 1) {
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move(src, tar);
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return;
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}
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> f(i-1) <20><><EFBFBD><EFBFBD> src <20><><EFBFBD><EFBFBD> i-1 <20><>Բ<EFBFBD>̽<EFBFBD><CCBD><EFBFBD> tar <20>Ƶ<EFBFBD> buf
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dfs(i - 1, src, tar, buf);
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> f(1) <20><><EFBFBD><EFBFBD> src ʣ<><CAA3>һ<EFBFBD><D2BB>Բ<EFBFBD><D4B2><EFBFBD>Ƶ<EFBFBD> tar
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move(src, tar);
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> f(i-1) <20><><EFBFBD><EFBFBD> buf <20><><EFBFBD><EFBFBD> i-1 <20><>Բ<EFBFBD>̽<EFBFBD><CCBD><EFBFBD> src <20>Ƶ<EFBFBD> tar
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dfs(i - 1, buf, src, tar);
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}
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/* <20><><EFBFBD>⺺ŵ<E2BABA><C5B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
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void solveHanota(vector<int> &A, vector<int> &B, vector<int> &C) {
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int n = A.size();
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// <20><> A <20><><EFBFBD><EFBFBD> n <20><>Բ<EFBFBD>̽<EFBFBD><CCBD><EFBFBD> B <20>Ƶ<EFBFBD> C
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dfs(n, A, B, C);
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}
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/* Driver Code */
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int main() {
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// <20>б<EFBFBD>β<EFBFBD><CEB2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӷ<EFBFBD><D3B6><EFBFBD>
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vector<int> A = {5, 4, 3, 2, 1};
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vector<int> B = {};
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vector<int> C = {};
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cout << "<EFBFBD><EFBFBD>ʼ״̬<EFBFBD>£<EFBFBD>\n";
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cout << "A =";
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printVector(A);
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cout << "B =";
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printVector(B);
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cout << "C =";
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printVector(C);
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solveHanota(A, B, C);
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cout << "Բ<EFBFBD><EFBFBD><EFBFBD>ƶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɺ<EFBFBD><EFBFBD><EFBFBD>\n";
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cout << "A =";
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printVector(A);
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cout << "B =";
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printVector(B);
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cout << "C =";
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printVector(C);
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return 0;
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}
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