算是第二次做这套题吧,感觉从上次考试到现在自己有了挺大提高,提前30min做完了. 7-1 Sexy Primes 读懂题意就行. #include <cstdio> #include <iostream> #include <cmath> #include <algorithm> #include <vector> using namespace std; bool isPrime(int n) { ) return false; int tm…

Description: Telefraud(电信诈骗) remains a common and persistent problem in our society. In some cases, unsuspecting victims lose their entire life savings. To stop this crime, you are supposed to write a program to detect those suspects from a huge amou…

考试的还行.不过略微有点遗憾,但是没想到第一题会直接上排序和dfs,感觉这次的题目难度好像是倒着的一样.哈哈哈哈. 第一题实在是搞崩心态,这道题给我的感觉是,可以做,但事实上总是差点啥. 第二题,第三题,把我的心态稳住了,不然的话这次考试可能会雪崩.这两道题目都是提交一次,直接全红. 接着二三题带来的信心把第四题搞定了,好像提交了两次. 然后就又开始死磕第一题,关键是当时自己以为第一题不应该用dfs,就一直在修改细节.╮(╯▽╰)╭,还是超时. 感觉PAT不算很难,但是在新的环境.计时.排队提交…

7-1 Sexy Primes 判断素数 一个点没过17/20分 错因:输出i-6写成了输出i,当时写的很乱,可以参考其他人的写法 #include<bits/stdc++.h> using namespace std; const int maxn = 1e8; typedef long long ll; int n; bool isprime(ll x){ if(x == 0 || x==1 || x==2) return false; for(ll i=2;i<=sqrt(x);i…

转自https://blog.csdn.net/weixin_40688413/article/details/88082779 担心别人删除了就找不到了.因为九月要考. 7-1 Sexy Primes (20 分)Sexy primes are pairs of primes of the form (p, p+6), so-named since “sex” is the Latin word for “six”. (Quoted from http://mathworld.wolfram.…

2019 秋季 PAT (Advanced Level) C++题解 考试拿到了满分但受考场状态和知识水平所限可能方法不够简洁,此处保留记录,仍需多加学习.备考总结(笔记目录)在这里 7-1 Forever (20 分) "Forever number" is a positive integer A with K digits, satisfying the following constrains: the sum of all the digits of A is m; the…

2019 秋季 PAT 甲级 备考总结 在 2019/9/8 的 PAT 甲级考试中拿到了满分,考试题目的C++题解记录在这里,此处对备考过程和考试情况做一个总结.如果我的方法能帮助到碰巧点进来的有缘人那就更好了Orz 目录 一.备考内容 1.  <算法笔记>(←阅读内容目录在这里) 2. PAT 题库刷题 3. 题型总结 + 刷题笔记 (←笔记目录在这里) 二.考试情况 1. 考前准备 2. 考试过程 3. 对这次考试的总结(碎碎念,可忽略) 一.备考内容 1.  <算法笔记>…

新在ICCV上发的弱监督物体检测文章,偷偷高兴一下,贴出我的poster,最近有点忙,话不多说,欢迎交流- https://arxiv.org/pdf/1904.00551.pdf http://openaccess.thecvf.com/content_ICCV_2019/papers/Li_Weakly_Supervised_Object_Detection_With_Segmentation_Collaboration_ICCV_2019_paper.pdf @inproceedings{…

Telefraud(电信诈骗) remains a common and persistent problem in our society. In some cases, unsuspecting victims lose their entire life savings. To stop this crime, you are supposed to write a program to detect those suspects from a huge amount of phone c…

Zhejiang University is about to celebrate her 122th anniversary in 2019. To prepare for the celebration, the alumni association (校友会) has gathered the ID’s of all her alumni. Now your job is to write a program to count the number of alumni among all…