摘要：本回将尝试在Linux环境下能否在系统监视器中画出一个正弦曲线。本人环境为Ubuntu 11.04.基本思想还是和Windows下面的相同，更换系统调用，便可以实现功能的迁移。#include <time.h> #include <sys/time.h> #include <unistd.h> #include<stdlib.h> #include<math.h> #define DWORD unsigned long #define UINT64 unsigned long long const double SPLIT = 0.0 阅读全文

摘要：让多核CPU占用率曲线听你指挥——《编程之美》1.1学习笔记Problem: 写一个程序，让用户来决定Windows任务管理器（Task Manager）的CPU占用率。有以下几种情况： 1.CPU占用率固定在50%，为一条直线； 2.CPU的占用率为一条直线，具体占用率由命令行参数决定（范围1~100）； 3.CPU的占用率状态为一条正弦曲线。分析与解法：（1）通过观察任务管理器，它大约1s更新一次。当CPU使用率为0时，System Idle Process占用了CPU的空闲时间。System Idle Process在CPU空闲的的时候，发出一个IDLE命令，使CPU挂起（暂时停止工作） 阅读全文

摘要：问题:How can anagrams result from sequences of stack operations? There are two sequences of stack operators which can convert TROT to TORT:[i i i i o o o oi o i i o o i o]whereistands for Push andostands for Pop. Your program should, given pairs of words produce sequences of stack operations which con 阅读全文

摘要：Problem:Fire NetSuppose that we have a square city with straight streets. A map of a city is a square board with n rows and n columns, each representing a street or a piece of wall. A blockhouse is a small castle that has four openings through which to shoot. The four openings are facing North, East 阅读全文