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Задача 4 / 4 Masala
Beaver Cleveria discovered deep down at the base of the dam
an ancient tree. On closer inspection she discovers mystical
signs carved in the wood. Cleveria reasons that it must be a
coding-table from the time when the Elder Beaver still lived in
the dam. After a long study of the table, Cleveria figured out
how it works: The new signs are a combination of the symbols
assigned to the corresponding rows and columns. For
example: The letter ‹H› is coded as follows.
Клара обнаружила древний код, в котором каждая буква
алфавита находится по таблице – символ, кодирующий
данную букву, получается вставкой в крайний слева
символ от этой буквы крайнего сверху символа от этой же
буквы. Например, буква Н кодируется по способу ниже:
Klara qadimgi kodni topdi, unda alifboning har bir harfi
quyidagi jadval asosida topiladi - bu harfni kodlovchi belgi
harfning eng chap tomonidagi belgiga shu harfdan eng
yuqoridagi belgisini qo'shish evaziga topiladi. Masalan, H harfi
quyidagi usul bilan kodlangan:
Question / Вопрос / Savol

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Cleveria remembers that she has seen such signs on another place in the beaver dam. She goes 
there and indeed, this is what is written on the other tree. Which is the message of the elder beavers? 
Какой текст зашифрован последовательностью символов ниже? 
Qaysi matn quyida keltirilgan belgilar ketma-ketligi bilan shifrlangan?
11. 4)
Задача 5 / 5 Masala
Vimal is a naughty kid: he ate lot of biscuits before lunch and
now he not hungry, but is thirsty. He has invented a secret
language to talk to his mother. These are its rules:
• When he says “Yes”, it means “Not sure”.
• When he says “No”, it means “Yes”.
• When he says “Not sure”, it means “No”.
• When he is hungry, he says “It’s very cold”.
• When he is thirsty, he says “It’s very hot”.
• When he is sleepy, he says “Give me something to eat”.