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Update the codes of backtracking.

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krahets
2023-04-27 02:17:04 +08:00
parent 9c070a028f
commit bc77a81330
12 changed files with 13 additions and 2 deletions
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codes/cpp/chapter_backtracking/preorder_traversal_iii_template.cpp
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@@ -45,6 +45,7 @@ void backtrack(vector<TreeNode *> &state, vector<TreeNode *> &choices, vector<ve
if (isValid(state, choice)) {
// 尝试：做出选择，更新状态
makeChoice(state, choice);
// 进行下一轮选择
vector<TreeNode *> nextChoices{choice->left, choice->right};
backtrack(state, nextChoices, res);
// 回退：撤销选择，恢复到之前的状态