Write C++ code for the lexicographic arrangement of numbers.The user should be allowed to enter any number and the lexicographic arrangement of the number entered is calculated.

A pair of primes that vary by two is a pair of twin primes (e.g., 3 and 5, 101 and 103). Write a C++ application that displays the total number of twin primes smaller than 1000.

In C++

we3q

Write a c++program that asks the user to enter a part number to order. The rules for creating a part number are as follows:a) The first character must be an ‘A’, ‘B’, or ‘C’.b) The second and third characters must be numeric; their value when taken as a pair must be between 10 and 49 (inclusive).c) The fourth character must be a lowercase letter.d) The fifth and sixth characters must be numeric; their values when taken as a pair must be between 22 and 66 (inclusive).Display a message indicating whether the entered part number is valid or not.

Create in C++ Prompt the user to enter a 3-letter abbreviation or a day of the week and display the full name of the day of the week. Use an enumerated data type to solve this problem. Enumerate the days of the week in a data type. Start with Monday and end with Friday. Set all of the characters of the user input to lower case. Set an enumerated value based on the user input. Create a function that displays the name of the day Based on the value passed from main(), the function should display the corresponding full name of the day of the week. If the user entered a correct 3-digit abbreviation for a day of the week in step 4, then call the function your created in step 5. If the user did not enter a correct 3-digit abbreviation for a day of the week, then display an error message.

C++

Given: char str1[50] = “Programming in C++ !!!”;char str2[13] = “Hello World\n”; Evaluate the following: strlen(str1)   Group of answer choices 0 50 23 22

Drawa structured flowchart , C++,  write pseudocode that describes the process of guessing a number between 1 and 100. After each guess, the player is told that the guess is too high or too low. The process continues until the player guesses the correct number. Pick a number and have a fellow student try to guess it following your instructions.

C++