C++ Programming: From Problem Analysis to Program Design
8th Edition
ISBN: 9781337102087
Author: D. S. Malik
Publisher: Cengage Learning
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Suppose that the first number of a sequence is x, where x is an integer. Define a0= x; an+1=an/2 if an is even; an+1= 3*an +1 if an is odd. Then there exists an integer K such that ak=1. Write a Program that prompts the user to input the value of x. The program outputs the integer K such that ak=1 and the numbers a0, a1, a2,……….., ak.. (For example, if x=75, then K=14, and the numbers a0, a1, a2,……….., a14, respectively, are 75,226,113,340,170,85,256,128,64,32,16,8,4,2,1. )
Enhance your program from part a by outputting the position of the largest number and the largest number of the sequence a0, a1, a2,……….., ak.. (For example, the largest number of the sequence 75,226,113,340,170,85,256,128,64,32,16,8,4,2,1 is 340 and its position is 4. )
Write a program that reads an integer and displays all its smallest factors in an increasing order. For example, if the input integer is 120, the output should be as follows: 2, 2, 2, 3, 5.
Write a program that inputs a number and checks whether it is a perfect number or not. A perfect number is the number that is numerically equal to the sum of its divisors. For example, 6 is a perfect number because the divisors of 6 are 1, 2, 3 and 1+2+3=6
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- Write programs that read a sequence of integer inputs and print a. The smallest and largest of the inputs. b. The number of even and odd inputs. c.Cumulative totals. For example, if the input is 1 7 2 9, the program should print 1 8 10 19. d. All adjacent duplicates. For example, if the input is 1 3 3 4 5 5 6 6 6 2, the program should print 3 5 6.arrow_forwardSuppose that the first number of a sequence is x, where x is a non-zero positive integer. We define the following sequence: a0 = x, an+1 = an/2 if an is even, and an+1 = 3 ∗ an + 1 if an is odd. In such a sequence, there exists an integer k such that ak = 1. Write a program sequence.cc that prompts the user to enter the value of x, the program outputs the integer k such that ak = 1, the numbers a0, a1, a2, . . . , ak, the largest number of the sequence a0, a1, a2, . . . , ak, and the position of the largest number in the sequence. For example, if x = 75, then k = 14, the numbers a0, a1, a2, . . . , a14, respectively, are 75, 226, 113, 340, 170, 85, 256, 128, 64, 32, 16, 8, 4, 2, 1, the largest is 340, at position 3. Your program should prompt the user to run it repeatedly until she/he wants to quite. Please use break and continue statements. And loop and while statement! Thank you!arrow_forwardSuppose that the first number of a sequence is x, where x is a non-zero positive integer. We define the following sequence: a0 = x, an+1 = an/2 if an is even, and an+1 = 3 ∗ an + 1 if an is odd. In such a sequence, there exists an integer k such that ak = 1. Write a program sequence.cc that prompts the user to enter the value of x, the program outputs the integer k such that ak = 1, the numbers a0, a1, a2, . . . , ak, the largest number of the sequence a0, a1, a2, . . . , ak, and the position of the largest number in the sequence. For example, if x = 75, then k = 14, the numbers a0, a1, a2, . . . , a14, respectively, are 75, 226, 113, 340, 170, 85, 256, 128, 64, 32, 16, 8, 4, 2, 1, the largest is 340, at position 3. Your program should prompt the user to run it repeatedly until she/he wants to quite. Please use break and continue statements. And loop and while statement! make sure k is identified in the output and don't use arrays for the program. thank you very much!!arrow_forward
- Write a program that takes in an integer in the range 11-100 as input. The output is a countdown starting from the integer, and stopping when both output digits are identical. Ex: If the input is: 93 the output is: 93 92 91 90 89 88 Ex: If the input is: 11 the output is: 11 Ex: If the input is: 9 or any value not between 11 and 100 (inclusive), the output is: Input must be 11-100 this is what i have n = int(input())if n > 100 or n < 11:print('Input must be 11-100')exit(0)while True:print(n, end=" ")first_digit = n // 10second_digit = n % 10 if first_digit == second_digit:break n = n-1 my output is 93 92 91 90 89 88 but it needs to be 93 92 91 90 89 88arrow_forwardWrite a program that generates 50 random numbers such that the first number is between 1 and 2, the second is between 1 and 3, the third is between 1 and 4, . . . , and the last is between 1 and 51.arrow_forwardWrite a program that reads a positive integer n, and prints the firstn even numbers.For example, one execution would look like this:Please enter a positive integer: 3246arrow_forward
- Write a program to read A[n, n] of numbers, then put 10 instead each evenpositive number.arrow_forwardWrite a program that translates a letter grade into a number grade. Letter grades are A, B, C, D, and E, possibly followed by + or -. Their numeric values are 4, 3, 2, 1, and 0. There is no F+ or F-. A + increases the numeric value by O.3, a – decreases it by 0.3. However, an A+ has value 4.0. Enter a letter grade: B- The numeric value is 2.7.arrow_forwardWrite a program whose input is a string which contains a character and a phrase, and whose output indicates the number of times the character appears in the phrase. 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. Ex: If the input is: n Nobody the output is: 0 n is different than N.arrow_forward
- Write a program that takes in an integer in the range 20-98 as input. The output is a countdown starting from the integer, and stopping when both output digits are identical. Ex: If the input is 93, the output is: 93 92 91 90 89 88 Ex: If the input is 77, the output is: 77 Ex: If the input is not between 20 and 98 (inclusive), the output is: Input must be 20-98 For coding simplicity, follow each output number by a space, even the last one. Use a while loop. Compare the digits; do not write a large if-else for all possible same-digit numbers (11, 22, 33, ..., 88), as that approach would be cumbersome for large ranges.arrow_forwardA Fibonacci sequence is a sequence of numbers where each successivenumber is the sum of the previous two. The classic Fibonacci sequencebegins: 1, 1, 2, 3, 5, 8, 13, .... Write a program that computes the nthFibonacci number where n is a value input by the user. For example, ifn = 6, then the result is 8.arrow_forwardWrite a program that reads a person's first and last names separated by a space, assuming the first and last names are both single words. Then the program outputs last name, first name. End with newline. Example output if the input is: Maya Jones Jones, Mayaarrow_forward
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Java random numbers; Author: Bro code;https://www.youtube.com/watch?v=VMZLPl16P5c;License: Standard YouTube License, CC-BY