div 空隙 “Look at those stairs, man,” says a figment of Thomas Heatherwick’s imagination, pointing at the Escher print on the wall of his London flat. It’s 1993 and Thomas is in his final year at the Royal College of Art. His ghostly interlocutor conti…
【操作系统概念-作业1】Introduction
Operating System Concepts Exercises 1 Introduction 操作系统作业1
1.1, 1.5, 1.61.12, 1.15, 1.19, 1.22, 1.23, 1.27
每题最后一个引用块是老师提供的参考答案 Practice Exercises
1.1 What are the three main purposes of an ope…
题目链接 把平均数写出来,发现就是一个斜率公式。容易证明上凸点一定不是最优解,所以我们用单调队列维护下凸序列。
#include<cstdio>
#include<queue>
#include<algorithm>
using namespace std;
const int N1e510;
int n,l;
double…