🧑🏫Изучаем популярный на собеседованиях алгоритм — [31:22]
Ни для кого не секрет, что знание алгоритмов — очень важная вещь для успешного прохождения технического собеседование в большую часть IT-компаний (особенно таких, как Яндекс или Google).
При этом нередко на собеседованиях бывают задачи, где поступают некоторые запросы на отрезке. Например, запросы на сумму. С одной стороны, любому новичку в программировании будет очевидно, как с этим справиться: просто пройтись по отрезку и посчитать сумму элементов на нём. Но зачастую — это не то, чего ждут от собеседуемого. Чаще ожидают решение, которое может отвечать на каждый вопрос "моментально" (для тех, кто знаком с обозначениями, за O(1) времени).
В этом небольшом видео автор понятным языком расскажет, как просто и эффективно можно обрабатывать такие запросы.
#алгоритмы#собеседование
🪐 Scientists studying the future of interstellar travel are exploring how hydrogen harvested from interstellar space—called "ramjet" propulsion—could one day fuel journeys to stars like Alpha Centauri, located over 4 light-years from Earth. A concept known as the Bussard Ramjet proposes using a huge electromagnetic field to collect hydrogen atoms as a spaceship speeds through space, fusing them for energy in the same way stars do, potentially enabling continuous acceleration across vast cosmic distances. ✨
#spaceships⚡#technology⚡#AlphaCentauri⚡#nasa⚡#galaxy⚡#stars⚡#astronomy⚡#universe⚡#cosmos⚡#space
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🪐 In the double star system Alpha Centauri, light from one star to the other takes over 20 hours to cross the distance—showing that even within a “nearby” solar system, the speed of light sets a hard limit for communication and travel. This demonstrates how vast even the smallest cosmic neighborhoods really are, as light’s top speed of 299,792 kilometers per second still can't make interstellar distances feel quick. ✨
#speedoflight⚡#alphacentauri⚡#spacedistances⚡#nasa⚡#galaxy⚡#stars⚡#astronomy⚡#universe⚡#cosmos⚡#space
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🪐 Traveling to other stars is one of humanity’s greatest challenges, as even the nearest star system, Alpha Centauri, is over 4 light-years away—about 40 trillion kilometers! Current spacecraft, like Voyager 1, are only just leaving our solar system after more than 45 years, showing that interstellar travel will require new technologies, possibly using powerful methods such as nuclear propulsion or solar sails—giant, ultra-thin mirrors that ride the pressure of sunlight across space. ✨
#interstellar⚡#travel⚡#technology⚡#AlphaCentauri⚡#nasa⚡#galaxy⚡#stars⚡#astronomy⚡#universe⚡#cosmos⚡#space
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🪐 The Breakthrough Starshot project is testing how ultra-light spacecraft powered by laser-driven lightsails could one day reach Alpha Centauri, our nearest star system, in just a few decades. These tiny probes, traveling at a fraction of the speed of light (over 100 million kilometers per hour), would gather data from planets like Proxima Centauri b, showing how future interstellar journeys might become possible using cutting-edge technology and real astronomical targets. ✨
#interstellar⚡#travel⚡#AlphaCentauri⚡#lightsail⚡#nasa⚡#galaxy⚡#stars⚡#astronomy⚡#universe⚡#cosmos⚡#space
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🪐 Scientists testing the future of interstellar travel are examining how giant particle accelerators in space could launch tiny probes to neighboring star systems like Alpha Centauri. By using electromagnetic fields to give miniature spacecraft a massive boost, this method could send probes racing out of the solar system much faster than traditional rockets, all powered by technologies already proven in facilities like CERN's Large Hadron Collider on Earth. ✨
#interstellar⚡#travel⚡#AlphaCentauri⚡#particleaccelerators⚡#nasa⚡#galaxy⚡#stars⚡#astronomy⚡#universe⚡#cosmos⚡#space
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