甲级emergency 1003 pat
PAT_A 1038 Recover the Smallest Number
Given a collection of number segments, you are supposed to recover the smallest number from them. For example, given { 32, 321, 3214, 0229, 87 }, we c ......
PAT_A1067 Sort with Swap(0, i)
使用p数组存放各元素当前所处位置,e数组在这里无用。在寻找没有归位的元素时,如果每次从头开始寻找会超时。 ......
PAT_A1070 Mooncake
Mooncake is a Chinese bakery product traditionally eaten during the Mid-Autumn Festival. Many types of fillings and crusts can be found in traditional ......
PAT_B1033 旧键盘打字
旧键盘上坏了几个键,于是在敲一段文字的时候,对应的字符就不会出现。现在给出应该输入的一段文字、以及坏掉的那些键,打出的结果文字会是怎样? 输入格式: 输入在 2 行中分别给出坏掉的那些键、以及应该输入的文字。其中对应英文字母的坏键以大写给出;每段文字是不超过 105 个字符的串。可用的字符包括字母 ......
P1003 [NOIP2011 提高组] 铺地毯
第一思路: 开一个N*N的数组,每次都扫一遍地毯范围并标记编号 然后你会发现:喜提MLE 为什么呢? 我们来看看数据范围 0 ≤ n ≤ 1e4 n的范围是1e4,数组总大小为1e16,大约需要4000TB的内存空间 服务器也不带这么玩的 正解: 将地毯信息用结构体存储 struct node{ i ......
PAT 甲级:1002 A+B for Polynomials,测试点说明
1002 A+B for Polynomials 25分 题解:(类似于把两个多项式合并同类项:指数相同的项把系数相加),最后输出新多项式的项数、各项。 需要注意的测试点: 1.输出的新项格式要与输入的一致:[项数] [指数1] [系数1] [指数2] [系数2] ...;且指数递减 2.指数是整型 ......
PAT乙级真题:1110 区块反转
【1110 区块反转 分值:25 乙级】 题目描述: 给定一个单链表 L,我们将每 K 个结点看成一个区块(链表最后若不足 K 个结点,也看成一个区块),请编写程序将 L 中所有区块的链接反转。 例如:给定 L 为 1→2→3→4→5→6→7→8,K 为 3,则输出应该为 7→8→4→5→6→1→2 ......
【题解】洛谷 P1003 [NOIP2011 提高组] 铺地毯
原题链接 解题思路 如果直接按照题意开一个二维数组来模拟每个点最上面的地毯编号,会发现所占空间最坏情况下约为 (2*105)2*4B=4*1010*4B=1.6*1011B≈149GB,程序完全无法运行。 但实际上没有必要将每一个点的信息记录下来,只需要记录每一块地毯能覆盖哪些点,再依次判断哪那些地 ......
[题解] CF1003E - Tree Constructing
CF1003E - Tree Constructing 题目传送门 知识点:贪心 题意 给定 \(n\) 个顶点,问是否能够构造出一棵直径为 \(d\) 的树,且每个顶点的度数最多为 \(k\) 。 思路 我们要构造出一棵树,使得其直径长度一定为 \(d\) ,那么我们可以先选择 \(d + 1\) ......
PAT单位排行
PAT单位排行 1. 题目地址 https://www.acwing.com/problem/content/1636/ 2. 题目解析 3. 题解 4. 代码 #include <iostream> #include <cstdio> #include <cstring> #include <al ......
1141 PAT Ranking of Institutions(附测试点5分析)
题目: After each PAT, the PAT Center will announce the ranking of institutions based on their students' performances. Now you are asked to generate the ......
东方博宜OJ1003 - 编程求1+3+5+...+n C语言版
题目描述 编程求 1+3+5+⋯+n 。 输入 输入一行,只有一个整数 )n(1≤n<10000) 这里 n 为奇数。 输出 输出只有一行。 样例 输入 99 输出 2500 来源 简单循环 代码 ......
1003:对齐输出
1003:对齐输出 时间限制: 1000 ms 内存限制: 66536 KB提交数: 297394 通过数: 98910 【题目描述】 读入三个整数,按每个整数占8个字符的宽度,右对齐输出它们,按照格式要求依次输出三个整数,之间以一个空格分开。 【输入】 只有一行,包含三个整数,整数之间以一个空格分 ......
1003 Reasoning(大模拟)
# translation 现有一个推理系统,有如下符号组成: - 圆括号:$($ 和 $)$ - 逻辑连词:$\lnot$ 和 $\to$ - 全称量词:$\forall$ - 变量:$u-z$ - 常量:$a-e$ - 函数:$f-h$ - 谓词:$P-T$ 这个推理系统还包括项(term)、公 ......
服务器/虚拟机 关机或重启之后报:Entering emergency mode. Exit the shell to continue.
## 具体现象 ![](https://img2023.cnblogs.com/blog/1138462/202307/1138462-20230715122734672-1948661564.jpg) 多次重启之后还是不行,提示让进入紧急模式或退出 ## 排查原因 根据提示输入journalctl ......
nginx: [emerg] unknown directive "ngx_fastdfs_module" in /usr/local/src/nginx-1.10.0/conf/nginx.conf:52
一、问题说明:搭建fastDFS 集群时,提示错误信息为:nginx: [emerg] unknown directive "ngx_fastdfs_module" in /usr/local/src/nginx-1.10.0/conf/nginx.conf:52 通过分析加载fastdfs模块 出 ......
PAT-甲级-1007 Maximum Subsequence Sum C++
Given a sequence of K integers { N1, N2, ..., NK }. A continuous subsequence is defined to be { Ni, Ni+1, ..., Nj } where 1≤i≤j≤K. The Maximum S ......
PAT-甲级-1005 Spell It Right C++
Given a non-negative integer N, your task is to compute the sum of all the digits of N, and output every digit of the sum in English. Input Specificat ......
PAT-甲级-1004 Counting Leaves C++
A family hierarchy is usually presented by a pedigree tree. Your job is to count those family members who have no child. Input Specification: Each inp ......
1003 Emergency C++
As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some ro ......
攀拓(PAT)- 程序设计(乙级)2023年夏季考试仿真卷题解
#B-1 唯手熟尔 思路:getchar一个读入到string中进行判断 代码: ``` #include using i64 = long long; #pragma GCC optimize(2) #define IOS std::ios::sync_with_stdio(false), std ......
PAT Advanced 1012. The Best Rank
# PAT Advanced 1012. The Best Rank ## 1. Problem Description: To evaluate the performance of our first year CS majored students, we consider their gra ......
Nginx [emerg] listen() to 0.0.0.0:80, backlog 511 failed (98: Address already in use)
Nginx更新后经常遇到这样的问题,解决方法: 1 2 3 fuser -k 80/tcp && /etc/init.d/nginx start 或 killall -9 nginx && /etc/init.d/nginx start ......
nginx: [emerg] socket() [::]:80 failed (97: Address family not supported by protocol)
nginx: [emerg] socket() [::]:80 failed (97: Address family not supported by protocol),遇到这个问题,不用多想,基本都是配置了IPv6监听导致,也就是如下配置 server { listen 80 default_s ......
A1003 Emergency
题目: As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by som ......
Luogu P1003 铺地毯
### 题目描述 [link](https://www.luogu.com.cn/problem/P1003) ### 思路 我们考虑倒序, 判断每块地毯是否覆盖所求坐标, 输出即可. 若未覆盖, 输出 $-1$ 即可 ### Code ``` #include const int N = 1e4 ......
PAT Advanced 1011. World Cup Betting
# PAT Advanced 1011. World Cup Betting ## 1. Problem Description: With the 2010 FIFA World Cup running, football fans the world over were becoming inc ......
PAT Advanced 1010. Radix
# PAT Advanced 1010. Radix ## 1. Problem Description: Given a pair of positive integers, for example, 6 and 110, can this equation 6 = 110 be true? Th ......
nginx: [emerg] host not found in upstream "mirrors.estc.edu.cn" in /usr/local/nginx/conf/nginx.conf:154
配置: server { listen 7777; server_name localhost; location / { proxy_pass https://mirrors.estc.edu.cn/; } } 修改了dns和host,都不能解决。 但是直接访问 http://mirrors.es ......
PAT Advanced 1008. Elevator
PAT Advanced 1008. Elevator 1. Problem Description: The highest building in our city has only one elevator. A request list is made up with $N$ positiv ......