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lesson_1.py

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+''' ****** Задание 1 ********
+    *** Вывод текста ***
+'''
+#print("Привет, Яндекс!")
+
+''' ****** Задание 2 ********
+    *** Диалоговая программа, которая сначала спросит имя пользователя, а затем поприветствует его. ***
+'''
+#print("Как Вас зовут?")
+#user_name = input()
+#print("Привет, " + user_name)
+
+''' ****** Задание 3 ********
+    ***  Принимает одну строку и выводит её трижды ***
+'''
+#info = input()
+#print(info)
+#print(info)
+#print(info)
+
+''' ****** Задание 4 ********
+    ***  Вычислите стоимость покупки, а затем найдите разность ***
+'''
+#has = int(input())
+#need = 38 * 5 // 2
+#answer = has - need
+#print(answer)
+
+''' ****** Задание 5 ********
+    ***  Вычислить сдачу ***
+'''
+#price = int(input())
+#weight = int(input())
+#money = int(input())
+#cost = price * weight
+#change = money - cost
+#print(change)
+
+''' ****** Задание 6 ********
+    *** Рассчитывает стоимость покупки и печатает чек в заданном формате ***
+'''
+# Четыре строки ввода:
+# 1. Название товара (строка)
+# item_name = input()
+#
+# # 2. Цена товара за килограмм (натуральное число)
+# price_per_kg = int(input())
+#
+# # 3. Вес товара (натуральное число)
+# weight_kg = int(input())
+#
+# # 4. Количество денег у пользователя (натуральное число)
+# money_given = int(input())
+
+# Расчеты:
+# Итоговая стоимость
+# total_cost = price_per_kg * weight_kg
+#
+# # Сдача
+# change = money_given - total_cost
+#
+# #Формат вывода:
+# print("Чек")
+# print(f"{item_name} - {weight_kg}кг - {price_per_kg}руб/кг")
+# print(f"Итого: {total_cost}руб")
+# print(f"Внесено: {money_given}руб")
+# print(f"Сдача: {change}руб")
+
+''' ****** Задание 7 ********
+    *** Которая N раз выводит строку «Купи слона!». ***
+'''
+# n = int(input())
+# for _ in range(n):
+#     print("Купи слона!")
+
+''' ****** Задание 8 ********
+    *** Выводит N строк наказания. ***
+'''
+# n = int(input())
+# punishment = input()
+# print(f'Я больше никогда не буду писать "{punishment}"!\n' * n, end='')
+
+''' ****** Задание 9 ********
+    *** Сколько кусков колбасы съедят N детей за M минут.***
+'''
+# n = int(input())
+# m = int(input())
+#
+# total_sausages = (n * m) / 2
+#
+# print(int(total_sausages))
+
+''' ****** Задание 10 ********
+    *** Формирование карточки для личного дела ребёнка.***
+'''
+# name = input()
+# locker_number = input()
+#
+# # Extract digits from the locker number
+# group_number = locker_number[0]
+# bed_number = locker_number[1]
+# child_order_in_group = locker_number[2]
+#
+# # Format and print the output
+# print(f"Группа №{group_number}.")
+# print(f"{child_order_in_group}. {name}.")
+# print(f"Шкафчик: {locker_number}.")
+# print(f"Кроватка: {bed_number}.")
+
+''' ****** Задание 11 ********
+    *** Числа вида abcd составляет число badc***
+'''
+# number = input()
+#
+# # Extract digits
+# a = number[0]
+# b = number[1]
+# c = number[2]
+# d = number[3]
+#
+# # Form the new number by rearranging digits
+# new_number = b + a + d + c
+#
+# print(new_number)
+
+''' ****** Задание 12 ********
+    *** Складывает два числа поразрядно без учёта переносов. ***
+'''
+# # Read the two natural numbers as input
+# num1 = int(input())
+# num2 = int(input())
+#
+# # Initialize the result and a multiplier for placing digits in the correct position
+# result = 0
+# power_of_10 = 1
+#
+# # Loop as long as there are digits left in either number
+# while num1 > 0 or num2 > 0:
+#     # Get the last digit of num1
+#     digit1 = num1 % 10
+#     # Get the last digit of num2
+#     digit2 = num2 % 10
+#
+#     # Sum the current pair of digits
+#     sum_of_current_digits = digit1 + digit2
+#
+#     # Get the units digit of the sum (ignoring any carry-over)
+#     result_digit = sum_of_current_digits % 10
+#
+#     # Add this result digit to our overall result,
+#     # multiplied by the appropriate power of 10 to place it correctly
+#     result += result_digit * power_of_10
+#
+#     # Remove the last digit from num1
+#     num1 //= 10
+#     # Remove the last digit from num2
+#     num2 //= 10
+#
+#     # Move to the next power of 10 for the next digit position
+#     power_of_10 *= 10
+#
+# # Print the final result
+# print(result)
+
+''' ****** Задание 13 ********
+    *** Раздать конфеты детям на новогоднем утреннике. ***
+'''
+# # Read the number of children
+# n = int(input())
+# # Read the number of candies
+# m = int(input())
+#
+# # Calculate the number of candies each child receives (integer division)
+# candies_per_child = m // n
+#
+# # Calculate the remaining candies (remainder of the division)
+# remaining_candies = m % n
+#
+# # Print the results, each on a new line
+# print(candies_per_child)
+# print(remaining_candies)
+
+''' ****** Задание 14 ********
+    *** Определяет максимальное количество ходов, которое потребуется, чтобы найти зелёный шарик. ***
+'''
+# # Read the number of red balls
+# red_balls = int(input())
+#
+# # Read the number of green balls
+# green_balls = int(input())
+#
+# # Read the number of blue balls
+# blue_balls = int(input())
+#
+# # Calculate the maximum number of moves
+# # In the worst-case scenario, all red and blue balls are drawn first,
+# # and then the first green ball is drawn.
+# maximum_moves = red_balls + blue_balls + 1
+#
+# # Print the result
+# print(maximum_moves)
+
+''' ****** Задание 15 ********
+    *** N часов M минут владелец магазина заказал доставку нового товара. Оператор сообщил, что продукты доставят через T минут.
+     Сколько будет времени на электронных часах, когда привезут долгожданные продукты? ***
+'''
+# # Read the initial hour, minute, and delivery time in minutes
+# hour = int(input())
+# minute = int(input())
+# delivery_time = int(input())
+#
+# # Calculate the total minutes from midnight for the initial time
+# total_minutes_initial = hour * 60 + minute
+#
+# # Add the delivery time to get the total minutes from midnight for the delivery
+# total_minutes_delivery = total_minutes_initial + delivery_time
+#
+# # Calculate the new hour and minute
+# # The modulo 1440 (24 hours * 60 minutes) handles wrapping around midnight
+# delivery_hour = (total_minutes_delivery // 60) % 24
+# delivery_minute = total_minutes_delivery % 60
+#
+# # Format the output to ensure two digits for hours and minutes
+# # This uses f-strings with format specifiers:
+# # :02d means "format as a decimal integer, padding with a leading zero if it's less than 2 digits"
+# print(f"{delivery_hour:02d}:{delivery_minute:02d}")
+
+''' ****** Задание 16 ********
+    *** Склад находится на отметке A км, а магазин — B км. Средняя скорость автомобиля, доставляющего товары, C км/ч.
+За какое время продукты попадают со склада в магазин? ***
+'''
+# # Read the coordinates of the warehouse (A) and the store (B)
+# a = int(input())
+# b = int(input())
+#
+# # Read the average speed of the delivery car (C)
+# c = int(input())
+#
+# # Calculate the distance between the warehouse and the store
+# # We use abs() to ensure the distance is always positive, regardless of A and B order.
+# distance = abs(b - a)
+#
+# # Calculate the time taken (Time = Distance / Speed)
+# # Since C is an integer, dividing distance by C will result in a float automatically.
+# time_in_hours = distance / c
+#
+# # Print the result formatted to two decimal places
+# # The f-string with ":.2f" format specifier achieves this.
+# print(f"{time_in_hours:.2f}")
+
+''' ****** Задание 17 ********
+    *** Поможет магазину посчитать общую сумму выручки, учитывая, что кассовый аппарат выдаёт сумму последней покупки в двоичной системе счисления. ***
+'''
+# # Read the current total revenue (in decimal)
+# current_revenue_decimal = int(input())
+#
+# # Read the last purchase amount (in binary string)
+# last_purchase_binary = input()
+#
+# # Convert the binary string to a decimal integer
+# last_purchase_decimal = int(last_purchase_binary, 2)
+#
+# # Calculate the total revenue by adding the decimal values
+# total_revenue = current_revenue_decimal + last_purchase_decimal
+#
+# # Print the total revenue
+# print(total_revenue)
+
+''' ****** Задание 18 ********                            
+    *** Из двоичной в десятичную систему ***
+'''
+# # Read the purchase price in binary (as a string)
+# purchase_price_binary = input()
+#
+# # Read the denomination of the user's bill (in decimal)
+# bill_denomination_decimal = int(input())
+#
+# # Convert the binary purchase price to a decimal integer
+# purchase_price_decimal = int(purchase_price_binary, 2)
+#
+# # Calculate the change
+# change_decimal = bill_denomination_decimal - purchase_price_decimal
+#
+# # Print the change
+# print(change_decimal)
+
+''' ****** Задание 19 ********                 
+    *** Выводит красиво оформленный чек.  ***   
+'''
+# # Read input data
+# product_name = input()
+# price_per_kg = int(input())
+# weight_kg = int(input())
+# money_paid = int(input())
+#
+# # Calculate total cost and change
+# total_cost = price_per_kg * weight_kg
+# change = money_paid - total_cost
+#
+# # Define the total width for each line
+# total_width = 35
+#
+# # Print the top border
+# print("=" * 16 + "Чек" + "=" * 16)
+#
+# # Print product line
+# # "Товар: " has 7 characters. Remaining width for product_name is 35 - 7 = 28.
+# print(f"Товар: {product_name.rjust(total_width - 7)}")
+#
+# # Print price details line
+# # "Цена:     " has 10 characters. Remaining width for price_details_str is 35 - 10 = 25.
+# price_details_str = f"{weight_kg}кг * {price_per_kg}руб/кг"
+# print(f"Цена:     {price_details_str.rjust(total_width - 10)}")
+#
+# # Print total cost line
+# # "Итого: " has 7 characters. Remaining width for total_cost_str is 35 - 7 = 28.
+# total_cost_str = f"{total_cost}руб"
+# print(f"Итого: {total_cost_str.rjust(total_width - 7)}")
+#
+# # Print money paid line
+# # "Внесено: " has 9 characters. Remaining width for money_paid_str is 35 - 9 = 26.
+# money_paid_str = f"{money_paid}руб"
+# print(f"Внесено: {money_paid_str.rjust(total_width - 9)}")
+#
+# # Print change line
+# # "Сдача: " has 7 characters. Remaining width for change_str is 35 - 7 = 28.
+# change_str = f"{change}руб"
+# print(f"Сдача: {change_str.rjust(total_width - 7)}")
+#
+# # Print the bottom border
+# print("=" * total_width)
+
+''' ****** Задание 20 ********                   
+    *** Вес каждой партии котлет.  ***    
+'''
+# N = int(input())
+# M = int(input())
+# K1 = int(input())
+# K2 = int(input())
+#
+# # Проверяем условие K2 < M < K1
+# if K2 >= M or M >= K1:
+#     print("Нет решения в натуральных числах")
+# else:
+#     x = N * (M - K2) // (K1 - K2)
+#     y = N * (K1 - M) // (K1 - K2)
+#     print(x, y)