原文:學會從后往前遍歷,例 [LeetCode] Pascal's Triangle II,劍指Offer 題4

當我們需要改變數組的值時,如果從前往后遍歷,有時會帶來很多麻煩,比如需要插入值,導致數組平移,或者新的值覆蓋了舊有的值,但舊有的值依然需要被使用。這種情況下,有時僅僅改變一下數組的遍歷方向,就會避免這些困難。 最直觀的一題是 劍指Offer上的面試題 另外一道例題,就是LeetCode上的Pascal s Triangle II Pascal s Triangle II Given an inde ...

2014-07-24 11:22 0 4469 推薦指數:

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[LeetCode] Pascal's Triangle II

Given an index k, return the kth row of the Pascal's triangle. For example, given k = 3,Return [1,3,3,1]. Note:Could you optimize your algorithm ...

Tue Nov 13 19:44:00 CST 2012 0 3108
Pascal's Triangle II Leetcode java

題目: Given an index k, return the kth row of the Pascal's triangle. For example, given k = 3, Return [1,3,3,1]. Note: Could you optimize your ...

Sun Aug 03 10:59:00 CST 2014 0 2465
[leetcode]Pascal's Triangle @ Python

地址:https://oj.leetcode.com/problems/pascals-triangle/ 題意: Given numRows, generate the first numRows of Pascal's ...

Wed Jun 04 03:49:00 CST 2014 0 2314
LeetCode】118. Pascal's Triangle

Pascal's Triangle Given numRows, generate the first numRows of Pascal's triangle. For example, given numRows = 5,Return 按定義做。 每一層的第i個位置,等於 ...

Mon Oct 13 06:07:00 CST 2014 0 3492
[LeetCode] Pascal's Triangle 楊輝三角

Given a non-negative integer numRows, generate the first numRows of Pascal's triangle. In Pascal's triangle, each number is the sum of the two ...

Sat Oct 18 12:17:00 CST 2014 2 7486
offer 面試8

面試8: 題目:二叉樹的下一個節點 題目描述:給定一個二叉樹和其中的一個結點,請找出中序遍歷順序的下一個結點並且返回。注意,樹中的結點不僅包含左右子結點,同時包含指向父結點的指針。 解題思路:詳見offer P65頁 解題代碼: ...

Wed Jun 13 00:29:00 CST 2018 0 1150
 
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