best eyepiece for planets

Description Bessie wants to drive her ship through a dangerous minor group. the Group is an nxn grid (1 ≤ n ≤ 500). There are K planets in the grid (1 ≤ k ≤ 10000 ). fortunately, Bessie has a very powerful weapon that can eliminate all the minor planets in one row or column at a time. This weapon is very expensive, so she wants to use as little as possible. the positions of all the minor

1927: [sdoi2010] interstellar racing time limit: 20 sec memory limit: 259 MB Submit: 1073 solved: 638 [Submit] [Status] Description10's galaxy racing competition is about to begin. As one of the greatest events in the galaxy, winning the project is undoubtedly a dream of many people. The long journey from Jason's alpha star is also one of them. The competition consists of N planets and M two-way interstellar routes, each of which has a different gra

4711: Little Odd Digging mineDescription"topic Background"Kit used an infinitely non-probabilistic mining machine in the Meow galaxy, so that some ores were mined on all the planets, and now it is ready to build some ore silos .Library and ship the ore to various warehouses. "Problem description"The meow Galaxy has n planets, labeled 1 to N, and the planetary and planetary routes form a single tree. The two

Problem Description N Planets is connected by M bidirectional channels the Allow instant transportation. It's always possible to travel between any and planets through these channels.If We can isolate some planets from others to breaking only one channel, the channel is called a Bridge of the Transporta tion System.People don ' t like is isolated. So they ask wha

Warm upTime limit:10000/5000 MS (java/others) Memory limit:65535/65535 K (java/others)Total submission (s): 5093 Accepted Submission (s): 1131Problem Description N Planets is connected by M bidirectional channels the Allow instant transportation. It's always possible to travel between any and planets through these channels.If We can isolate some planets from othe

In a far away galaxy there is N inhabited planets, numbered with numbers from 1 to n. They is located at large distances from all other, that's why the communication between them is very difficult until on The planet number 1 a hyperdrive was invented. As soon as this significant event took place, n -1 spaceships were built on the planet number 1, and tho SE ships were sent to other planets to inform abo

Warm upTime limit:10000/5000 MS (java/others) Memory limit:65535/65535 K (java/others)Total submission (s): 4830 Accepted Submission (s): 1086Problem Description N Planets is connected by M bidirectional channels the Allow instant transportation. It's always possible to travel between any and planets through these channels.If We can isolate some planets from oth

This blog post for the migration, written on July 16, 2015, does not represent my current views and views. Original address: http://blog.sina.com.cn/s/blog_6022c4720102w6le.html1. Topics"There are a lot of problems on the P.S Bzoj, and there are some modifications and simplifications here."2. TAGJSOI2008 Jiangsu Province Team selection problem;3. Analysis as a provincial team to select the problem does feel a little water. Perhaps the only difficulty is that it is difficult to think of this way.

that if you hit them, they will be unlocked. These objects must collide with each other and interact with the world around them. If you have a good physical engine, this can be achieved, but adjusting these objects requires a lot of work, you need to adjust the basic physical constants, and constantly test all different types of collisions. It may be interesting to implement this technology and adjust it, but there is no mature physical engine on XNA, even if the basic startup and running of it

Http://acm.hdu.edu.cn/showproblem.php? PID = 1, 5073 It is to give you n numbers, representing the positions of N planets. Each planet has a weight of 1.At the beginning, every planet rotates around the center of gravity. The center of gravity is the sum of the positions of all planets/number of planets.Now let you move K planets to any location (multiple

the value of 0,100 is 350px, time is 3s, there is a speed curve properties, based on this information to do the transition animation. If the specified speed is linear linear, the animation transition effect is uniform, for the above is a uniform right shift. The default speed curve is ease, which is gradually and gradually out, the middle play faster.Then add a scrolling effect to the wheel rotate, using the distance between the wheels and the circumference of the wheel to draw how many laps, t

kinds of values$mixedBag = Array ("Cat", 42,8.5,false);Var_dump (Mixedbag); 4. Multidimensional arrays An array containing arrays is created, and array dimensions are not limited, but it is generally difficult to imagine the use of an array with more than three dimensions$planets = Array (Array ("MM", 1,2), Array ("NN", 3,4), Array ("BB", 5,6), Array ("VV", 7,8));Print $planets [2][0];$

smaller than that of the precision lens, and the stereoscopy decreases. Proprism is easy to manufacture and cheaper than Ridge Prism of the same optical quality. Roofprism is a compact, dual-cylinder lens that is usually used for compact dual-cylinder mirrors because it is small in size and can place the objective lens and the eyepiece in a straight line. Compared with the proprism, The Ridge Prism has two main disadvantages: one is the loss of lig

but does not stop, and the screen is stopped on the "set gap ". Solution: 1> press the "reset" key to reset the system. 2> open the wind shield and enable the left and right pressure plates respectively. Perform the following checks in sequence: 3> check for fiber breakage. 4> check whether the optical fiber cutting length is too short. 5> check whether the fiber slot matches the optical fiber. And perform corresponding processing. 5. The optical fiber can be properly reset. When the gap is set

compare 2 sets.Mind-MeasuringThe principle is not complex, but requires a lot of practice.Amateur scientistThe eyepiece of the microscope can also be used as a magnifying glass for observing ants or aphids, but the microscope has always been treated as a whole.It is also interesting to experiment with the use of slides to ferry ants.Part III Feynman, bomb and army test houndA person's sense of smell, although no dog developed, but also can sniff out

textview in the sub-view. In this case, the simplest arrayadapter can be used, as shown below. Compared with simplecursoradapter, because it is a one-dimensional model, the from and to operations are not required. Arrayadapter Arrayadapter (This,/* Context */ Android. R. layout. simple_list_item_1,/* Childlayout ID: Layout ID of the subview */New String [] {"Mercury", "Venus", "Earth", "Mars", "Jupiter", "Saturn", "Uranus", "Neptune "});/* Data source: String [] */This. setlistadapter (adapter

Wow! Such conquering! Problem description There are n Doge planets in the Doge space. the Conqueror of doge space is super Doge, who is going to inspect his Doge army on all Doge planets. the inspection starts from Doge planet 1 where DoS (Doge Olympus IC statue) was built. it takes super Doge exactly txy time to travel from Doge Planet X to Doge planet y.With the ambition of conquering other spaces,

1011: [HNOI2008] Distant planet time limit:10 Sec Memory limit:162 mbsec Special Judgesubmit:3711 solved:1375[Submit] [Status] [Discuss] DescriptionOn a straight line of n planets, there are planets I in the X=i, and Planet J is subjected to the force of the planet I, when and only as Imi*mj/(J-i) where a is a very small constant, it is intuitively said that each planet is only affected by distant

DescriptionBessie wants to navigate her spaceship through a dangerous asteroid field in the shape of an n x n grid (1 Fortunately, Bessie has a powerful weapon that can vaporize all the asteroids in any given row or column of the grid with a single shot. this weapon is quite expensive, so she wishes to use it sparingly. given the location of all the asteroids in the field, find the minimum number of shots Bessie needs to fire to eliminate all of the asteroids. Input* Line 1: two integers N and

Problem Description There is n Doge planets in the Doge Space. The conqueror of Doge Space is a Super Doge, who's going to inspect he Doge Army on all Doge planets. The inspection starts from Doge Planet 1 where DOS (Doge Olympic statue) was built. It takes Super Doge exactly txy time to travel from Doge Planet x to Doge Planet y.With the ambition of conquering and spaces, he would like to visit all Doge