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刷题4. Median of Two Sorted Arrays
一、题目 Median of Two Sorted Arrays,具体请自行搜索。 这个题目,我看了一下,经过一番思考,我觉得实现起来不是很复杂。 但要做到bug free也不难,最大的问题是性能问题。 性能只有42%的样子,内存占用太多。还需要进一步优化!!! 二、这个题目,我自己实现 提交了2次 ...
分类:其他好文   时间:2020-01-25 10:19:29    阅读次数:82
AGC40.Two Contests
题意 $n$段区间,要把他们分到两个不同的集合$S,T$中,不能有剩余,每个区间只能在一个集合里,令$S$中所有区间的交的长度为$ls$,$T$中所有区间的交为$lt$,求$max\{ls+lt\}$。 题解 找到 $L$ 最大的区间 $p$ 和 $r$ 最小的区间 $q$,那么只有两种情况: $1 ...
分类:其他好文   时间:2020-01-24 18:40:19    阅读次数:63
Understanding Why Sometime an Array Can Excel a Map
Introduction We have discussed in a previous article, in most common situation if we have to maintain two Arrays working consistantly, we should bette ...
分类:其他好文   时间:2020-01-24 13:16:42    阅读次数:79
521. Longest Uncommon Subsequence I
Given a group of two strings, you need to find the longest uncommon subsequence of this group of two strings. The longest uncommon subsequence is defi ...
分类:其他好文   时间:2020-01-24 10:50:25    阅读次数:98
[LeetCode 1167] Minimum Cost to Connect Sticks
You have some sticks with positive integer lengths. You can connect any two sticks of lengths X and Y into one stick by paying a cost of X + Y. You pe ...
分类:其他好文   时间:2020-01-24 09:32:12    阅读次数:90
4. Median of Two Sorted Arrays
There are two sorted arrays nums1 and nums2 of size m and n respectively. Find the median of the two sorted arrays. The overall run time complexity sh ...
分类:其他好文   时间:2020-01-23 22:59:05    阅读次数:154
刷题2. Add Two Numbers
一、题目要求 You are given two non empty linked lists representing two non negative integers. The digits are stored in reverse order and each of their nodes ...
分类:其他好文   时间:2020-01-23 12:26:54    阅读次数:77
Graph题目总结【不定期更新】
Find minimal ops to convert one str to another Description Given two alphabet strings str1 and str2. You can change the characters in str1 to any alph ...
分类:其他好文   时间:2020-01-22 12:49:47    阅读次数:112
E - Arctic Network
E - Arctic Network The Department of National Defence (DND) wishes to connect several northern outposts by a wireless network. Two different communica ...
分类:Web程序   时间:2020-01-21 23:45:57    阅读次数:125
Codeforces Round #568 (Div. 2) F - Two Pizzas (状态压缩,暴力)
"?? ?? ??" 题意:每个顾客有几种想要的原料,每个披萨含有几种原料,问你买两块披萨,让最多的顾客全部吃到想要的原料,同时花最少的钱,需要买哪两块 原料只有九种,O(n^2) 枚举披萨 转换为(512 512) 枚举状态 ,买两个状态一样的跑一遍,买两个状态不一样的跑一遍 是被队友嫌弃的码风 ...
分类:其他好文   时间:2020-01-21 21:38:16    阅读次数:64
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