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Commit 89f8d9d

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solves partition list
1 parent 9fd0ab5 commit 89f8d9d

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‎README.md

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| 81 | [Search in Rotated Sorted Array II](https://leetcode.com/problems/search-in-rotated-sorted-array-ii) | [![Java](assets/java.png)](src/SearchInRotatedSortedArrayII.java) | |
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| 82 | [Remove Duplicates from Sorted List II](https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii) | [![Java](assets/java.png)](src/RemoveDuplicatesFromSortedListII.java) | |
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| 83 | [Remove Duplicates from Sorted List](https://leetcode.com/problems/remove-duplicates-from-sorted-list) | [![Java](assets/java.png)](src/RemoveDuplicatesFromSortedList.java) [![Python](assets/python.png)](python/remove_duplicates_from_linked_list.py) | |
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| 86 | [Partition List](https://leetcode.com/problems/partition-list) | [![Java](assets/java.png)](src/PartitionList.java) | |
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| 88 | [Merge Sorted Array](https://leetcode.com/problems/merge-sorted-array) | [![Java](assets/java.png)](src/MergeSortedArray.java) [![Python](assets/python.png)](python/merge_sorted_array.py) | |
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| 94 | [Binary Tree Inorder Traversal](https://leetcode.com/problems/binary-tree-inorder-traversal/) | [![Java](assets/java.png)](src/BinaryTreeInorderTraversal.java) [![Python](assets/python.png)](python/binary_tree_inorder_traversal.py) | |
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| 100 | [Same Tree](https://leetcode.com/problems/same-tree) | [![Java](assets/java.png)](src/SameTree.java) [![Python](assets/python.png)](python/same_tree.py) | |

‎src/PartitionList.java

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// https://leetcode.com/problems/partition-list
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// T: O(N)
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// S: O(1)
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public class PartitionList {
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public static class ListNode {
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int val;
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ListNode next;
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ListNode() {}
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}
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public ListNode partition(ListNode head, int x) {
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ListNode beforeHead = new ListNode(), beforeTemp = beforeHead;
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ListNode afterHead = new ListNode(), afterTemp = afterHead;
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while (head != null) {
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if (head.val < x) {
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beforeTemp.next = head;
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beforeTemp = beforeTemp.next;
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} else {
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afterTemp.next = head;
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afterTemp = afterTemp.next;
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}
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head = head.next;
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}
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afterTemp.next = null;
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beforeTemp.next = afterHead.next;
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return beforeHead.next;
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}
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}

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