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Implement a function to check if a linked list is a palindrome. Implement a function to check if a linked list is a palindrome. Implement a function t 阅读全文
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Find K-th largest element in an array. Notice You can swap elements in the array Example In array [9,3,2,4,8], the 3rd largest element is 4. In array 阅读全文
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Remove all elements from a linked list of integers that have value val. Example Given 1->2->3->3->4->5->3, val = 3, you should return the list as 1->2 阅读全文
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Given a linked list and two values v1 and v2. Swap the two nodes in the linked list with values v1 and v2. It's guaranteed there is no duplicate value 阅读全文
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Merge two given sorted integer array A and B into a new sorted integer array. Merge two given sorted integer array A and B into a new sorted integer a 阅读全文
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Given a rotated sorted array, recover it to sorted array in-place. Given a rotated sorted array, recover it to sorted array in-place. Given a rotated 阅读全文