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Trapping Rain Water
Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it is able to trap after raining....
分类:移动开发   时间:2014-09-01 21:01:33    阅读次数:220
Trapping Rain Water
Givennnon-negative integers representing an elevation map where the width of each bar is 1, compute how much water it is able to trap after raining. 1...
分类:移动开发   时间:2014-08-10 01:34:09    阅读次数:375
bash算术求值和errexit陷阱
原文:https://www.technovelty.org//linux/bash-arithmetic-evaluation-and-errexit-trap.html 在 "traps for new players" 一章: count=0 things="0 1 0 0 1" for i in $things; do if [ $i == "1" ]; then ...
分类:其他好文   时间:2014-08-08 21:33:46    阅读次数:258
Trapping Rain Water leetcode java
题目:Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it is able to trap after rain....
分类:移动开发   时间:2014-07-30 09:47:13    阅读次数:272
Linux系统调用Hook姿势总结
系统调用属于一种软中断机制(内中断陷阱),它有操作系统提供的功能入口(sys_call)以及CPU提供的硬件支持(int 3 trap)共同完成。我们必须要明白,Hook技术是一个相对较宽的话题,因为操作系统从ring3到ring0是分层次的结构,在每一个层次上都可以进行相应的Hook,它们使用的技...
分类:系统相关   时间:2014-07-22 00:26:34    阅读次数:726
Linux内核:关于中断你需要知道的
1、中断处理程序与其他内核函数真正的区别在于,中断处理程序是被内核调用来相应中断的,而它们运行于中断上下文(原子上下文)中,在该上下文中执行的代码不可阻塞。中断就是由硬件打断操作系统。 2、异常与中断不同,它在产生时必须考虑与处理器时钟同步。异常被称为同步中断,例如:除0、缺页异常、陷入内核(trap)引起系统调用处理程序异常。 3、不同的设备对应的中断不同,而每个中断都通过一个唯一的数字(中...
分类:系统相关   时间:2014-07-22 00:08:34    阅读次数:326
LeetCode Trapping Rain Water
class Solution {public: int trap(int A[], int n) { if (n peaks; vector peaks_tmp; int last_idx = 0; bool increasing = ...
分类:移动开发   时间:2014-07-21 09:04:11    阅读次数:259
【leetcode】Trapping Rain Water
Givennnon-negative integers representing an elevation map where the width of each bar is 1, compute how much water it is able to trap after raining.Fo...
分类:移动开发   时间:2014-07-18 11:38:45    阅读次数:228
Trapping Rain Water
Givennnon-negative integers representing an elevation map where the width of each bar is 1, compute how much water it is able to trap after raining.Fo...
分类:移动开发   时间:2014-07-10 15:00:57    阅读次数:267
Trapping Rain Water
题目 Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it is able to trap after raining. For example,  Given [0,1,0,2,1,0,...
分类:移动开发   时间:2014-06-27 23:20:39    阅读次数:349
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