首页 > 代码库 > Subsets-II
Subsets-II
Given a collection of integers that might contain duplicates, S, return all possible subsets. Note: Elements in a subset must be in non-descending order. The solution set must not contain duplicate subsets. For example, if S = [1,2,2], a solution is: [ [2], [1], [1,2,2], [2,2], [1,2], [] ].
依然回溯,补充一个条件即可:
void subsets(vector<int> vecInt){ sort(vecInt.begin(), vecInt.end()); vector<int> vecWorker; subsetsHelper(vecWorker, vecInt, 0);}void subsetsHelper(vector<int>& vecWorker, const vector<int>& vecInt, int pos){ outputToResult(vecWorker); for (int i = pos; i < vecInt.length(); i++) { if (i != pos && vecInt[i] == vecInt[i-1]) continue; vecWorker.push_back(vecInt[i]); subsetsHelper(vecWorker, vecInt, i+1); vecWorker.pop_back(); }}
Subsets-II
声明:以上内容来自用户投稿及互联网公开渠道收集整理发布,本网站不拥有所有权,未作人工编辑处理,也不承担相关法律责任,若内容有误或涉及侵权可进行投诉: 投诉/举报 工作人员会在5个工作日内联系你,一经查实,本站将立刻删除涉嫌侵权内容。