[Java Coding] Leetcode notes

Source: Internet
Author: User

Start from difficulty 1:

1, Remove specified Elem from unsorted array:2 pointers, one was to iterate all the elements in the array, the. Increase if current value was not equal to specified element.

2, Remove duplicates from sorted Array:still 2 pointers, compare current value with Previous.

3, Remove 3rd duplicate from sorted Array:on 2, with another var to store the appearance number.

4, Remove duplites from sorted linked List:prev & Curr, then pay attention to NULL head input.

[Java Coding] Leetcode notes

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