最近正在学习linux下堆的管理机制,收集了书籍和网络上的资料,以自己的理解做了整理,做个记录。如果有什么不对的地方欢迎指出! Memory Allocator 常见的内存管理机制 dlmalloc:通用分配器 ptmalloc2:glibc分配器,继承自dlmalloc,并提供了多线程支持,主要研 ...
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2021-02-26 12:56:38
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Given a string s of lower and upper case English letters. A good string is a string which doesn't have two adjacent characters s[i] and s[i + 1] where ...
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2021-02-22 12:38:24
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题目描述 For this problem, you will write a program that reads in a sequence of 32-bit signed integers. After each odd-indexed value is read, output the m ...
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2021-02-18 13:06:04
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Given an array of non negative integers, return the maximum sum of elements in two non overlapping (contiguous) subarrays, which have lengths and . (F ...
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2021-02-18 12:53:23
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Given an increasing sequence S of N integers, the median is the number at the middle position. For example, the median of S1 = { 11, 12, 13, 14 } is 1 ...
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2021-02-17 14:40:27
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We are given a matrix with rows and columns has cells with integer coordinates , where?`0 这道题给了一个R行C列的矩阵,又给了一个起始点 (r0, c0),让按照离起始点的曼哈顿距离从小到大排序坐标点。博主最先 ...
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2021-02-17 14:32:03
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A company is planning to interview people. Given the array where ,?the cost of flying the person to city is , and the cost of flying the person to cit ...
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2021-02-17 14:20:21
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Valid Anagram (E) 题目 Given two strings s and t , write a function to determine if t is an anagram of s. Example 1: Input: s = "anagram", t = "nagaram" ...
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2021-02-15 12:41:17
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Implement next permutation, which rearranges numbers into the lexicographically next greater permutation of numbers. If such an arrangement is not pos ...
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2021-02-15 12:21:35
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the Computing Research Repository (CoRR) 论文地址:https://arxiv.org/abs/1909.11898 代码地址:https://github.com/hongwang600/DocRed Abstract 在本文中,我们进一步应用预先训练的语言 ...
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2021-02-10 13:32:54
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