15. 0% completed Prepositions with the Genitive Case. Моя семья. In this lesson you will continue studying the Genitive Case with the prepositions у, от, до,кроме, после, для, из. Key phrases – У папы есть машина. Я ем всё, кроме мяса. От дома до работы 15 минут на метро. Open vocabulary for lessons 11–15 тётямужбратаженабабушкамамыкузинапапы Задание 1. Слушайте диалог и […]
Archives for Tháng Một, 2014
14 Nouns in the Genitive Case (all genders, Singular). У меня нет кота. In this lesson you will begin studying the Genitive Case (Без паники! Don’t panic!) Key phrases: У меня нет времени, нет денег. Я люблю чай без сахара и без лимона. Open vocabulary for lessons 11–15 у тебя естьу меня нету тебя естьу меня […]
Numbers and Quantity. Сколько это стоит? In this lesson you will learn numbers, and ask Сколько это стоит?, as well study the quantity constructions like: 1 час, год, 2-4 часа, года, 5-10 часов, лет. You will also learn to speak about quantity of something and age. Open vocabulary for lessons 11–15 3 шубы5 лет99 990 рублей5 летодин Задание 1. Слушайте и закончите […]
12. Speaking about reasons: “because” and “that’s why”. Почему? — Потому что… Поэтому. In this lesson you will study почему and потому что and learn the difference between them. You will also find a new construction of time в + месяц: в апреле, в сентябре, в декабре… Open vocabulary for lessons 11–15 почемубылпотому чтобылпочемубылпотому чтобылпочемубылпотому чтобылпочемубылпотому чтобылпочемубылпотому чтобыл Задание 1. Слушайте […]
11. 0% completed Future Tense. Что ты будешь делать завтра? In this lesson you will learn the future tense and days of the week: В понедельник я буду изучать русский язык. В среду я буду читать книгу. В выходные я буду отдыхать. Open vocabulary for lessons 11–15 будузанятабудешьделаешьбудубудешьбудубудешьбуду Задание 1. Слушайте и закончите диалог. […]
Accusative Case, Direct Objects. Я люблю тебя! In this lesson you will learn about the Accusative Case and say things like: Я люблю тебя. Папа любит маму. Он знает её. Open vocabulary for lessons 6–10 пастуменю«Цезарь»куриныйвиногреческий салатфранцузскоеовощную лазаньюкрасноеитальянское Задание 1. Слушайте и закончите диалог. Task 1. Listen to the dialogue and drag the words to […]
Adverbs and Adjectives. Как играть? Какой игрок? Kak igrat’? Kakoy igrok? How to play? Which player? In this lesson you will learn the difference between adverbs, that answer the question как?, and adjectives, answering the question какой?: Trong bài học này bạn sẽ học được sự khác biệt giữa trạng từ, mà trả lời cho câu hỏi […]
Adjectives in the Nominative Case. Какой? Какая? Какое? Какие? In this lesson you will find an introduction to Russian adjectives and learn to say Какой хороший день! and Это дорогая машина. Open vocabulary for lessons 6–10 новыйнебольшойгромкаяхорошов баренормальнонедорогоедорогойкакой Задание 1. Слушайте и закончите диалог: Task 1. Listen to the dialogue and drag the words to complete the […]
Present and Past Tenses. Где ты был? In this lesson you will learn the Past Tense. Key phrases: — Где ты был? — Раньше я жил не здесь. Open vocabulary for lessons 6–10 в офисена работена встречена дискотекея был в ресторанена работея был в клубея был в барев офисе Задание 1. Слушайте и закончите диалог. Task 1. […]
Speaking about location, answering the question “Where?” http://learnrussian.rt.com/lessons/speaking-location/ Где находится Большой театр? In this lesson you will continue studying constructions with где? (it’s a big topic) and learn how to say “south”, “north”, “east” and “west”. Open vocabulary for lessons 6–10 — Спасибо!— Вот, прямо и справа.— Не за что.— Извините, пожалуйста. Вы не знаете, […]
Speaking about places and time, prepositions “в” and “на”. Nói về địa điểm và thời gian, giới từ “в” và “на”. Что ты делаешь в офисе на работе ночью? Chto ty delayesh’ v ofise na rabote noch’yu? What are you doing in the office at work at night? In this lesson you will learn the […]
4. Possessive pronouns and questions. Đại từ sở hữu và các câu hỏi. Как работа? Как твоя семья? Kak rabota? Kak tvoya sem’ya? How’s work? How’s your family? In this lesson you will learn the question words чей? чья? чьё? чьи? and possessive pronouns. You will learn more about Russian verbs (Group II). You will also learn […]
First verbs; nationality; languages; “Where are you from?” Откуда Вы? Вы говорите по-русски? In this lesson you will learn how to say what country you come from, what your nationality is and what language you speak. Key phrases — Я из Англии, я англичанин, я говорю по-английски. Also you will find an introduction to Russian verbs. […]
Who is it? What is it? Nouns and their gender. Кто это? Что это? (Kto eto? Chto eto? Who is this? What’s this?) Learning the basics — Russian noun, how to define its gender. Also a simple guide to being polite. Key phrases: Học tập những điều cơ bản – danh từ Nga, làm thế nào […]
Greeting and first simple phrases, professions Привет! Меня зовут Майкл! Я дизайнер. А ты? (Phát âm: Privet! Menya zovut Maykl! YA dizayner. A ty?) Hi! My name is Michael! I am a designer. And you? Hi! Tên tôi là Michael! Tôi là một nhà thiết kế. Và bạn? In this lesson you will learn how to […]
http://masterrussian.com/russian_alphabet.shtml The Russian alphabet is derived from the Cyrillic alphabet (pronounced si-‘ri-lik). In turn, the Cyrillic alphabet was developed at the Preslav Literary School in the First Bulgarian Empire in the 9th century. It was later formalized by a Greek monk St. Cyril. The contemporary Russian alphabet consists of 33 letters, some of which were […]
Average-case analysis using discrete probability Phân tích trường hợp trung bình sử dụng xác suất rời rạc Quicksort takes O(n log n) time on average, when the input is a random permutation. Why? For a start, it is not hard to see that the partition operation takes O(n) time. Sắp xếp nhanh chiếm O (n log n) thời gian […]
Quicksort is a divide and conquer algorithm. Quicksort first divides a large list into two smaller sub-lists: the low elements and the high elements. Quicksort can then recursively sort the sub-lists. Sắp xếp nhanh là một thuật toán phân chia và chinh phục (chiến thắng). Sắp xếp nhanh đầu tiên chia một danh sách lớn thành hai danh […]
Quicksort, or partition-exchange sort, is a sorting algorithm developed by Tony Hoare that, on average, makes O(n log n) comparisons to sort n items. In the worst case, it makes O(n2) comparisons, though this behavior is rare. Sắp xếp nhanh, hoặc sắp xếp trao đổi phân vùng, là một thuật toán sắp xếp được phát triển bởi Tony Hoare rằng, Trong trường hợp trung bình, làm […]
Quicksort Visualization of the quicksort algorithm. The horizontal lines are pivot values. Class Sorting algorithm Worst case performance O(n2) Best case performance O(n log n) (simple partition) or O(n) (three-way partition and equal keys) Average case performance O(n log n) Worst case space complexity O(n) auxiliary (naive) O(log n) auxiliary (Sedgewick 1978)
Toán học 