Files
Ikko Eltociear Ashimine 954c45864b docs: add Japanese translate documents (#1812)
* docs: add Japanese documents (`ja/docs`)

* docs: add Japanese documents (`ja/codes`)

* docs: add Japanese documents

* Remove pythontutor blocks in ja/

* Add an empty at the end of each markdown file.

* Add the missing figures (use the English version temporarily).

* Add index.md for Japanese version.

* Add index.html for Japanese version.

* Add missing index.assets

* Fix backtracking_algorithm.md for Japanese version.

* Add avatar_eltociear.jpg. Fix image links on the Japanese landing page.

* Add the Japanese banner.

---------

Co-authored-by: krahets <krahets@163.com>
2025-10-17 05:04:43 +08:00

55 lines
1.8 KiB
C++
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/**
* File: graph_dfs.cpp
* Created Time: 2023-03-02
* Author: krahets (krahets@163.com)
*/
#include "../utils/common.hpp"
#include "./graph_adjacency_list.cpp"
/* 深さ優先走査ヘルパー関数 */
void dfs(GraphAdjList &graph, unordered_set<Vertex *> &visited, vector<Vertex *> &res, Vertex *vet) {
res.push_back(vet); // 訪問済み頂点を記録
visited.emplace(vet); // 頂点を訪問済みとしてマーク
// その頂点のすべての隣接頂点を走査
for (Vertex *adjVet : graph.adjList[vet]) {
if (visited.count(adjVet))
continue; // すでに訪問済みの頂点をスキップ
// 隣接頂点を再帰的に訪問
dfs(graph, visited, res, adjVet);
}
}
/* 深さ優先走査 */
// 隣接リストを使用してグラフを表現し、指定された頂点のすべての隣接頂点を取得
vector<Vertex *> graphDFS(GraphAdjList &graph, Vertex *startVet) {
// 頂点走査順序
vector<Vertex *> res;
// ハッシュセット、訪問済み頂点を記録するために使用
unordered_set<Vertex *> visited;
dfs(graph, visited, res, startVet);
return res;
}
/* ドライバーコード */
int main() {
/* 無向グラフを初期化 */
vector<Vertex *> v = valsToVets(vector<int>{0, 1, 2, 3, 4, 5, 6});
vector<vector<Vertex *>> edges = {{v[0], v[1]}, {v[0], v[3]}, {v[1], v[2]},
{v[2], v[5]}, {v[4], v[5]}, {v[5], v[6]}};
GraphAdjList graph(edges);
cout << "\n初期化後、グラフは" << endl;
graph.print();
/* 深さ優先走査 */
vector<Vertex *> res = graphDFS(graph, v[0]);
cout << "\n深さ優先走査DFSの頂点順序は" << endl;
printVector(vetsToVals(res));
// メモリを解放
for (Vertex *vet : v) {
delete vet;
}
return 0;
}