# 148. Sort List [TOC] ## Run Code  ## 題意 從小排到大,資料結構為Linked List ## 解題思路 sort ## 困難之處 nope ## Code ```cpp= class Solution { public: ListNode* sortList(ListNode* head) { multiset<int> hash; for(ListNode *ptr = head;ptr!=NULL;ptr = ptr->next){ hash.insert(ptr->val); } multiset<int>::iterator it = hash.begin(); for(ListNode *ptr = head; ptr!=nullptr;ptr=ptr->next){ ptr->val = *it; it++; } return head; } }; ``` ###### tags: `leetcode`
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