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题目： Say you have an array for which the ith element is the price of a given stock on day i. Design an algorithm to find the maximum profit. You may co 阅读全文
posted @ 2017-08-27 23:06
糯米团子syj
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题目： 给定商品价格、特价组合、要买的商品数量，给出买到指定数量商品的最小花费 题解： 针对每个special offer，计算使用这个special offer后的花费，如果比minPrice少， 则保存为minPrice; 递归方法实现，如果商品数量是k，special offer的数量是n, 阅读全文
posted @ 2017-08-27 22:16
糯米团子syj
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题目： A sequence of number is called arithmetic if it consists of at least three elements and if the difference between any two consecutive elements is 阅读全文
posted @ 2017-08-27 19:02
糯米团子syj
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题目： Say you have an array for which the ith element is the price of a given stock on day i. If you were only permitted to complete at most one transac 阅读全文
posted @ 2017-08-27 18:10
糯米团子syj
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题目： You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed, the only constraint stoppin 阅读全文
posted @ 2017-08-27 17:55
糯米团子syj
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Given an integer array nums, find the sum of the elements between indices i and j (i ≤ j), inclusive. Example: Note: 解题： 思路一： 因为看到题目的要求是sumRange要频繁的调用 阅读全文
posted @ 2017-08-27 17:35
糯米团子syj
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题目: 求获取n个A的最小操作步骤的数目minStep Initially on a notepad only one character 'A' is present. You can perform two operations on this notepad for each step: Gi 阅读全文
posted @ 2017-08-27 17:04
糯米团子syj
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