c++ program
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A positive integer n is called prime if n > 1 and the only factors of n are 1 and n. It is known that a positive integer n > 1 is prime if n is not divisible by any prime integer m≤√n .
The 1230th prime number is 10,007. Let t be an integer such that 2 ≤ t ≤ 100,000,000. Then t is prime if either t is equal to one of the first 1,230 prime numbers or t is not divisible by any of the first 1,230 prime numbers.
Write a program that declares an array of size 1,230 and stores the first 1,230 prime numbers in this array. The program then uses the first 1,230 prime numbers to determine if a number between 2 and 100,000,000 is prime. If a number is not prime, then output at least one of its prime factors.
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- You are asked to manage salaries of employees of an organization. Write a C++ program to store basic salaries of 15 employees by reading from the user. Calculate tax on salaries and add bonuses to find the final salary that should be paid. If an employee has 0 leaves in the month than a bonus of 8% is added to his/her salary. If an employee has salary more than 1 lac, 15% tax shall be deducted, if salary is between 50,000 and 1 lac, 10% tax shall be deducted, if salary is less than 50,000 than 6% tax shall be deducted. Find final salaries of employees and store in a new array. Program shall than display list of final salaries and also maximum and minimum salaries from final salaries.Write a “C” program to find the summation of the following series: 1/8+ 1/27 + 1/64 + 1/125 + 1/216 + .............. + 1/(n+1)3Hint: To compute the power of a number, you can apply basic mathematics multiplications equations or use the pow() function computes the power of a number.The basic mathematics multiplications equations:For example: [In Mathematics] x4 = x*x*x*x [In programming]The pow() function:The pow() function takes two arguments (base value and power value) and, returns the power raised to the base number.For example, [In Mathematics] xy = pow(x, y) [In programming]The pow() function is defined in <math.h> header file (#include<math.h>)Write a function that computes the value of e which can be approximated using the following expression: 2 + (1/2!) + (1/3!) + . . . + (1/n!) where n is a positive integer. Write a C++ program that uses this formula to approximate the value of e.
- In C++ Write a program that prints the count of all prime numbers between A and B (inclusive), where A and B are defined as follows: A = 12345 B = A + 5000 Note: A prime number is any number, greater or equal to 2, that is divisible ONLY by 1 and itself. Here are the first 10 prime numbers: 2, 5, 7, 11, 13, 17, 19, 23, and 29. Rules: You should first create a boolean function called isPrime and use that function in your program. This function should take in any int and return true if the number is prime, otherwise, return a false. In the main body of your program, you should create a loop from A to B (inclusive) and use isPrime function to determine if the loop number should be counted or not. Your program SHOULD NOT PRINT the individual prime numbers. You can print them for your own testing purpose, but in the final submission, comment out such print statements. Your program SHOULD ONLY PRINT the answer -- which is a number. Do not print extra characters in your answer (E.g.…In C++ please, thanks. A prime number is an integer n > 1 whose only positive divisors are 1 and n itself. Write a boolean-valued function that determines whether an integer is a prime number.CODE USING C++ Did you know that in lotteries, a 3-digit number with the same numbers in all digits like 777 will hit the jackpot in a casino? In the same manner, let's make a program that will test if a certain 3-digit number hits a jackpot or not by identifying if all the digits of a given number is the same as the second inputted number. If it is, print "Jackpot!"; else, print "Nah". Let's try this out now! Input A line containing two integers separated by a space. 777·7 Output A line containing a string. Jackpot!
- Use C++ Write a program whose input is a character and a string, and whose output indicates the number of times the character appears in the string. Ex: If the input is: n Monday the output is: 1 Ex: If the input is: z Today is Monday the output is: 0 Ex: If the input is: n It's a sunny day the output is: 2 Case matters. n is different than N. Ex: If the input is: n Nobody the output is: 0 Your program must define and call the following function that returns the number of times the input character appears in the input string. int CountCharacters(char userChar, string userString)In C++, m%n is the remainder when the integer m is divided by the integer n. We can define a function to test whether an integer is even as follows: bool even(int k) { if ( k % 2 == 1 ) return false; else return true;} Translate this function into a standard mathematical function specification.The first few numbers in the series of Lucas numbers are: {1; 3; 4; 7; 11; 18; ... ; LN} The Lucas-numbers are determined by: (?1 = 1, ?2 = 3, ??+2 = ??+1 + ?? ) That is, a Lucas number is calculated as the sum of its two immediate previous terms in the Lucas series. Using this information, write a C/C++ program that defines a function Lucas() that calculates the n th number in a Lucas number sequence, where the user enters n into the program interactively. For example, if n=6, the program should display the value 18. The function accepts one integer parameter for the value of n and returns the result to the calling statement in main(). See the example output in Figure 2.2.
- Write a C programs that reads three sides of a triangle and then: 1) determines if these numbers give you a "valid" triangle 2) uses a formula to calculate the area. For above 1 and 2 you must write a function. Use these example numbers as minimum to test your program: 10,10,20 10.12.20 HINT: Partial code for 1) bool is_Valid(double side1, double side2, double side3) { if( side1 + side2 > side3 && ..... Partial code for 2) double area_triangle(double side1, double side2, double side3) { double area = 0; double s = (side1 + side2 + side3)/2; area = sqrt(s*(s - side1)*(s - side2)*(s - side3));This is for c++. I need a program that asks whether any members of your party are vegetarian, vegan, or gluten-free, then displays only the restaurants that you may take the group to.Use c++ Write a program whose inputs are three integers, and whose outputs are the largest of the three values and the smallest of the three values. Ex: If the input is: 7 15 3 the output is: largest: 15 smallest: 3 Your program must define and call the following two functions. The LargestNumber function should return the largest number of the three input values. The SmallestNumber function should return the smallest number of the three input values.int LargestNumber(int num1, int num2, int num3)int SmallestNumber(int num1, int num2, int num3)