Update the codes of backtracking.

2025-12-16 03:59:18 +08:00 · 2023-04-27 02:17:04 +08:00
parent 9c070a028f
commit bc77a81330
12 changed files with 13 additions and 2 deletions
--- a/codes/cpp/chapter_backtracking/permutations_ii.cpp
+++ b/codes/cpp/chapter_backtracking/permutations_ii.cpp
@@ -23,6 +23,7 @@ void backtrack(vector<int> &state, const vector<int> &choices, vector<bool> &sel
            duplicated.emplace(choice); // 记录选择过的元素值
            selected[i] = true;
            state.push_back(choice);
+            // 进行下一轮选择
            backtrack(state, choices, selected, res);
            // 回退：撤销选择，恢复到之前的状态
            selected[i] = false;