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搜索关键字:divide two integers    ( 17573个结果
HDU-6057 Kanade's convolution
题面 Description Give you two arrays $A[0..2^m 1]$ and $B[0..2^m 1]$. Please calculate array $C[0..2^m 1]$: $$ C[k]=\sum_{i~and~j=k}A[i~xor~j] B[i~or~j] ...
分类:其他好文   时间:2020-01-29 23:16:53    阅读次数:73
PAT Advanced 1063 Set Similarity (25分)(STL)
Given two sets of integers, the similarity of the sets is defined to be /, where N?c?? is the number of distinct common numbers shared by the two sets ...
分类:其他好文   时间:2020-01-29 21:54:49    阅读次数:84
leetcode 653. Two Sum IV - Input is a BST
题目内容 Given a Binary Search Tree and a target number, return true if there exist two elements in the BST such that their sum is equal to the given targ ...
分类:其他好文   时间:2020-01-29 20:00:01    阅读次数:62
leetcode 16 3Sum Closest
题目内容 Given an array nums of n integers and an integer target, find three integers in nums such that the sum is closest to target. Return the sum of th ...
分类:其他好文   时间:2020-01-29 18:24:31    阅读次数:58
挑战程序设计竞赛2.3习题:Making the Grade POJ - 3666
A straight dirt road connects two fields on FJ's farm, but it changes elevation more than FJ would like. His cows do not mind climbing up or down a si ...
分类:其他好文   时间:2020-01-29 15:43:18    阅读次数:94
算分-DESIGN THECHNIQUES
Divide-and-Conquer: 教材中是用快排作为例子介绍分治算法的,主要的是几个式子: 最坏情况下的快排:T(n) = n + T(n-1) 最好情况下的快排:T(n) = n + 2*T((n-1) / 2) 随机情况下的快排:T(n) = n + 1/n * sum(T(i) + T( ...
分类:其他好文   时间:2020-01-29 14:19:10    阅读次数:79
LeetCode 464 - Can I Win - Medium (Python)
In the "100 game," two players take turns adding, to a running total, any integer from 1..10. The player who first causes the running total to reach o ...
分类:编程语言   时间:2020-01-29 10:50:52    阅读次数:93
1331. Rank Transform of an Array
Given an array of integers arr, replace each element with its rank. The rank represents how large the element is. The rank has the following rules: Ra ...
分类:其他好文   时间:2020-01-29 10:28:22    阅读次数:74
1329. Sort the Matrix Diagonally
Given a m * n matrix mat of integers, sort it diagonally in ascending order from the top-left to the bottom-right then return the sorted array. Exampl ...
分类:其他好文   时间:2020-01-29 10:17:46    阅读次数:61
[Leetcode]653.Two Sum IV - Input is a BST
链接: "LeetCode653" 给定一个二叉搜索树和一个目标结果,如果 BST 中存在两个元素且它们的和等于给定的目标结果,则返回 true。 相关标签: 哈希表 类似于求两数之和,我们只需要在遍历二叉树过程中寻找是否存在有数为k 已经遍历到的数即可。 代码如下: python: C++: ...
分类:其他好文   时间:2020-01-28 22:58:39    阅读次数:75
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