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krahets
2023-05-03 18:29:57 +08:00
parent 4eb7734fa9
commit 7645bf97df
3 changed files with 20 additions and 2 deletions
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chapter_backtracking/permutations_problem.md
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@@ -52,6 +52,7 @@ comments: true
// 尝试：做出选择，更新状态
selected[i] = true;
state.add(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;
@@ -86,6 +87,7 @@ comments: true
// 尝试：做出选择，更新状态
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;
@@ -122,6 +124,7 @@ comments: true
# 尝试：做出选择，更新状态
selected[i] = True
state.append(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
@@ -184,6 +187,7 @@ comments: true
// 尝试：做出选择，更新状态
selected[i] = true;
state.Add(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;
@@ -264,6 +268,7 @@ comments: true
duplicated.add(choice); // 记录选择过的元素值
selected[i] = true;
state.add(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;
@@ -300,6 +305,7 @@ comments: true
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;
@@ -338,6 +344,7 @@ comments: true
duplicated.add(choice) # 记录选择过的元素值
selected[i] = True
state.append(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
@@ -402,6 +409,7 @@ comments: true
duplicated.Add(choice); // 记录选择过的元素值
selected[i] = true;
state.Add(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;