Passage 1.Woodpecker 惹treat or trick There are many apple trees in a garden. They’re good friends. One day an old tree is ill. There are many pests in the tree. Leaves of the tree turn yellow. The old tree feels very sad and unwell. Another tree…
这篇文章是<新视野大学英语>第四册的第五单元的文章,第一遍英语阅读完后对比中文,发现自己对作者的观点理解有些出入.作者反对的是认为中国说话客套而美国人直接的观点,利用自己的经历表达了中文也有直接的方面,美国人也有客套托词,不能用个人的例子或者一些简单描述,就对所有中国人产生成见. 1 Once at a dinner on the Monterey Peninsula California my mother whispered to me confidentially: "Sau-…
题目:https://codeforces.com/contest/549/problem/D D. Haar Features time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output The first algorithm for detecting a face on the image working in realtime wa…
这篇文章是<新视野大学英语>第四册的第八单元的文章. 1 The death of an angel of animal rights activism(活动家) does not rate with that of a drugged-out rock star. So when Henry Spira died of cancer in September 1998, his death passedwithout notice, apart from a brief obituary(讣…
这篇文章是<新视野大学英语>第四册的第二单元的文章,很好的一篇议论文,读起来也很有意思. 1 If you're a man, at some point a woman will ask you how she looks. 如果你是一位男士,肯定在某个时候会有女士问你她看起来怎么样. 2 You must be careful how you answer this question. The best technique is to form an honest yet sensitiv…
这篇文章是<新视野大学英语>第四册的第一单元的文章,读着挺有趣,便拿过来分享一下. 1 I had my first date with Polly after I made the trade with my roommate Rob. That year every guy on campus had a leather jacket, and Rob couldn't stand the idea of being the only football player who didn't,…
My body What's your name? Here are lots of children playing. Are they happy or sad? Who's waving at you? At the zoo frog mouse sheep tiger duck monkey cow bird lizard chicken horse goat hippo dog(tail) snake giraffe elephant crocodile spider…
#include<bits/stdc++.h> using namespace std; int main(){ int T,n,m;scanf("%d",&T); while(T --){ scanf("%d",&n); , sum = ; ; i < n; i ++){ scanf("%d", &m); nksum += 1LL * n * m * m; sum += abs(1LL * m); }…
