The impact of the earth’s geological conditions on life is obvious, and organisms adapt to different environments such as deserts, mountains, forests and oceans. However, the full impact of life on geological conditions is easily overlooked. Now a new, comprehensive study of our planet’s minerals bridges that omission. Some findings of the study can prove […]
Life Helps Make Almost Half of Earth’s Minerals Read More »
If you’re ready to connect on the move, SpaceX’s Starlink satellite broadband might be the answer . The U.S. Federal Communications Commission (FCC) approved the internet provider to serve mobile vehicles, boats and aircraft. Tom Sullivan, director of the FCC International Bureau, wrote in the approval document that the new authorization should help SpaceX meet
FCC greenlights Starlink service for cars, boats and planes Read More »
Millions of years ago, all mammals lived on land, but some species abandoned land and adapted to life in the sea: seals and whales, for example, can now live underwater. The species that remained were similarly adapted to terrestrial life. So it’s no surprise that a group of experts concluded in a recent study that
Humans can hear much better underwater than previously thought Read More »
Using data from the latest 2019 Global Burden of Disease (GBD) study, researchers analyzed adolescent deaths and disability-adjusted life years (DALYs) due to traffic and unintentional injuries in 204 countries over the past 30 years. They found that even though traffic injury death rates have fallen by a third since 1990, the number of teenage
Young people are more likely to die in traffic accidents Read More »
Disney’s Mickey Mouse will enter the public domain in 2024 , when its copyright term reaches 95 years. Mickey Mouse was born in 1928, when the term of copyright protection was 56 years. The Copyright Act of 1978 extended the term of protection to 75 years. In 1998, Disney lobbied for passage of the Copyright
Disney’s Mickey Mouse copyright is about to expire Read More »
Visit the original URL Image source @Oriental Selection Text | Come to New Vision Business “We are not a live broadcast company, nor a star-making MCN organization, but an agricultural product technology company and cultural communication company.” said Dongxu Sun, CEO of Dongfang Selection. In just 10 days, New Oriental Online (01797.HK) and Dongfang Selection
Facing the selection of the East and the ups and downs of the stock price calmly Read More »
Visit the original URL According to Titanium Media App on July 5, it is reported that Tencent’s “New Cornerstone” project is a new basic research funding project led by scientists, funded by Tencent and independently operated under the guidance of the China Association for Science and Technology. Tencent’s official Weibo announced that it will invest
Visit the original URL Pinwan, July 5th, according to surging news, at the IdeenExpo exhibition in Hannover, Germany, Tesla showed for the first time a prototype of a solar-powered extended-range trailer, claiming that it can provide additional cruising range for Tesla’s CyberTruck. IdeenExpo is the largest youth natural science and technology event in Europe, mainly
Original link: https://elizen.me/posts/2022/07/writing-in-everywhere/ There are countless writing software. If you use a basket to install them, they will fall out. I think of a saying, catch a doctor and trust him. In fact, the problem is not in the software, but in the brain. Individuals have different brains. Even if everyone sees the same paragraph
Original link: https://www.shuizilong.com/house/archives/bzoj-3118-orz-the-mst/ https://darkbzoj.cc/problem/3118 https://blog.bill.moe/bzoj3118-MST/ This article is reprinted from: https://www.shuizilong.com/house/archives/bzoj-3118-orz-the-mst/ This site is for inclusion only, and the copyright belongs to the original author.
BZOJ 3118. Orz the MST Read More »
Original link: https://www.shuizilong.com/house/archives/luogu-p4412-shoi2004%E6%9C%80%E5%B0%8F%E7%94%9F%E6%88%90%E6%A0 %91/ https://www.luogu.com.cn/problem/P4412 https://darkbzoj.cc/problem/1937 The main troublesome point of this question is to find the ring. . . const int N = 50 + 9, M = int(1.5e3) + 9; struct Graph { int id[N][N]; struct edge { int x, y, w; void in() { RD(x, y, w); } } E[M]; int n,
Luogu P4412. [SHOI2004] Minimum Spanning Tree Read More »
Original link: https://www.shuizilong.com/house/archives/luogu-p3980-noi2008-%E5%BF%97%E6%84%BF%E8%80%85%E6%8B%9B%E5% 8B%9F/ https://www.luogu.com.cn/problem/P3980 https://blog.bill.moe/NOI2008-volunteer/ const int N = int(1e4) + 9, M = int(1e3) + 9; struct Simplex { DB a[N+1][M+1]; int n, m; void pivot(int in, int out) { REP(i, m+1) if(i!=in) a[out][i] /= -a[out][in]; //reset out constraint a[out][in] = 1/a [out][in]; REP(i, n+1) if (i!=out && sgn(a[i][in])) { //Recalculate other constraints
Luogu P3980. [NOI2008] Volunteer recruitment Read More »
Original link: https://www.shuizilong.com/house/archives/luogu-p4043-ahoi2014-jsoi2014%E6%94%AF%E7%BA%BF%E5%89%A7%E6%83%85/ https://www.luogu.com.cn/problem/P4043 https://darkbzoj.cc/problem/3876 https://blog.bill.moe/AHOI2014-plot/ const int N = int(5e3) + 9, M = int(3e2) + 9; VI in[M], out[M]; struct Simplex { DB a[N+1][M+1]; int n, m; void pivot(int in, int out) { REP(i, m+1) if(i!=in) a[out][i] /= -a[out][in]; //reset out constraint a[out][in] = 1/a [out][in]; REP(i, n+1) if (i!=out && sgn(a[i][in])) {
Luogu P4043. [AHOI2014/JSOI2014] Side Story Read More »