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Control structures
Control structures are block of statements that analyze the value of variables and determine the flow of execution based on those values. When a program is running, the CPU executes the code line by line. After sometime, the program reaches the point where it has to make a decision on whether it has to go to another part of the code or repeat execution of certain part of the code. These results affect the flow of the program's code and these are called control structures.
Switch Statement
The switch statement is a key feature that is used by the programmers a lot in the world of programming and coding, as well as in information technology in general. The switch statement is a selection control mechanism that allows the variable value to change the order of the individual statements in the software execution via search.
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- java c++ here is my question (Evaluate expression) Modify Listing 20.12, EvaluateExpression.java, to add operators ^ for exponent and % for remainder. For example, 3 ^ 2 is 9 and 3 % 2 is 1. The ^ operator has the highest precedence and the % operator has the same precedence as the * and / operators. Your program should prompt the user to enter an expression. Here is a sample run of the program Enter an expression: (5 * 2 ^ 3 + 2 * 3 % 2) * 4(5 * 2 ^ 3 + 2 * 3 % 2) * 4 = 160Nice Number Programming: Nice program ask user to enter three integers from keyboard (java console), the three integers represent left bound, right bound and arbitrary digit 'm', where left bound is less than right bound. Program should print all nice numbers in the given range that doesn't contain digit 'm'. The number is nice if its every digit is larger than the sum of digits which are on the right side of that digit. For example 741 is a nice number since 4> 1, and 7> 4+1. with digit m=2. Write a complete program in Java that Call only One method (niceNumbers method) that will print all nice numbers excluding a given digit 'm' that also entered by user?C Programming Write a program that reads an integer from the user (keyboard), namely n. Yourprogram should print all positive numbers that are smaller than n and whosedigits sum up to a perfect square number.(An integer is a perfect square if it hasan integer square-root for example 25) You should print the numbers in ascendingorder and print their digits separated by “:“ symbol from the least significant digitto the most significant digit on the same line as the number. At the end of eachline you should also print the sum of the digits of the number. Example:If the user enters n : 30, then the output should be as follows:1 1 14 4 49 9 910 0:1 113 3:1 418 8:1 922 2:2 427 7:2 9
- Number guessing Game Write a C program that implements the “guess my number” game. The computer chooses a random number using the following random generator function srand(time(NULL)); int r = rand() % 100 + 1; that creates a random number between 1 and 100 and puts it in the variable r. (Note that you have to include <time.h>) Then it asks the user to make a guess. Each time the user makes a guess, the program tells the user if the entered number is larger or smaller than its number. The user then keeps guessing till he/she finds the number. If the user doesn’t find the number after 10 guesses, a proper game over message will be shown and the actual guess is revealed. If the user makes a correct guess in its allowed 10 guesses, then a proper message will be shown and the number of guesses the user made to get the correct answer is also printed. After each correct guess or game over, the user decides to play again or quit and based on the user choice, the computer will make…TotalPayAA.java Write a program that will calculate an employee’s total pay for a week (hourly pay + commission). Your program should ask the user how many hours they work and then their total sales amount. Hourly Wage - Their hourly wage is $11.50 for the first 40 hours and then time-and-a-half ($11.50 * 1.5) for anything over 40 hours. Commission - Commission is a small percentage of total sales that the employee earns. Total Pay – Total hourly wages + commission Commission for sales is shown: Sales Commission $0.00 - $99.99 5% of total sales $100.00-$299.99 10% of total sales $300.00+ 15% of total sales Make sure you print back to the user their total pay for the week. Money values should be formatted appropriately and your output should be descriptive as in the example. Test values: 10 hours + $10 sales =…Write a code snippet that can arrange the alphabets of a name entered by user in alternate cases .Note: Ignore white spaces . Implement this code in C language. Input string: Timothy Olyphant Output string: TiMoThY OLyPhAnT Input string: Olga Kurylenko Output string: OlGa KuRyLeNkO
- A Palindromic prime is a prime number that is also a palindromic number. Write a C++ program that displays all the palindromic prime numbers between 100 and 999 without using pointers.For example: These are 14 palindromic prime numbers smaller than 500:2,3,5,7,11,101,131,151,181,191,313,353,373,383.-scripting language Write a program that randomly generates a lottery between 100 and 999 (random.randint(100, 999)), prompts the user to enter a number in the same range, and determines whether the user wins according to the following rule: (1) If the user input matches the lottery in exact order, print "the award is $10,000". E.g., lottery = 123, input = 123(2) If the user input matches the lottery, but in wrong order, print "the award is $6,000". E.g., lottery = 123, input = 321(3) If two digits in the user input matches a digit in the lottery, print "the award is $3,000". E.g., lottery = 123, input = 612(4) If one digit in the user input matches a digit in the lottery, print "the award is $1,000". E.g., lottery = 123, input = 289(5) If none of the digits is matched, print "thank you".Write a program in c++ to generate a random number between 1 - 100, and then display which quartile the number falls in. First quartile is 1 - 25 Second quartile is 26 - 50 Third quartile is 51 - 75 Fourth quartile is 76 - 100 The following program shows how to get a random integer between 1 - 100. Use the code as an example for your own program. SAMPLE PROGRAM// This program displays a random number between 1 - 100#include <iostream> // for input and output#include <cstdlib> // for rand() and srand()#include <ctime> // for time()using namespace std;int main(){ //constantsconst int MIN_VALUE = 1;const int MAX_VALUE = 100;//get system time and seed random number generatorunsigned seed = time(0);srand(seed);//get random number between 1 - 100int num = (rand() % (MAX_VALUE - MIN_VALUE + 1)) + MIN_VALUE;cout << num << endl;return 0;} Your program should: contain header comments as shown in class display a "hello" message generate a random number…
- Using C Language: Write a program that consists of 2 guessing game. The first game: It is a guessing game in which the computer picks a specific number from 1 to 10, then the user guesses the number chosen by the computer and has ten attempts, and in each attempt the chosen number by the computer changes. The second game: A guessing game. The computer also chooses a three-digit number, for example: 950 and you have ten attempts to predict the number chosen by the computer. For example, the user types 390, the computer will tell him that the first digit is wrong, the second digit is correct, but it is not in the correct location, and the last digit, which is 0, is correct. And the user makes repeated attempts to find the correct whole numberA prime number is called a Mersenne prime if it can be writtenin the form 2p - 1 for some positive integer p. Write a program that findsall Mersenne primes with p ≤100 and displays the output as shown below.(Hint: You have to use BigInteger to store the number because it is too big tobe stored in long. Your program may take several hours to run.) p 2^p – 1---------------------2 33 75 31...ample code for the reader-writer: #include <pthread.h>#include <semaphore.h>#include <stdio.h> /*This program provides a possible solution for first readers writers problem using mutex and semaphore.I have used 10 readers and 5 producers to demonstrate the solution. You can always play with these values.*/ sem_t wrt;pthread_mutex_t mutex;int cnt = 1;int numreader = 0; void *writer(void *wno){ sem_wait(&wrt);cnt = cnt*2;printf("Writer %d modified cnt to %d\n",(*((int *)wno)),cnt);sem_post(&wrt); }void *reader(void *rno){ // Reader acquire the lock before modifying numreaderpthread_mutex_lock(&mutex);numreader++;if(numreader == 1) {sem_wait(&wrt); // If this id the first reader, then it will block the writer}pthread_mutex_unlock(&mutex);// Reading Sectionprintf("Reader %d: read cnt as %d\n",*((int *)rno),cnt); // Reader acquire the lock before modifying numreaderpthread_mutex_lock(&mutex);numreader--;if(numreader == 0) {sem_post(&wrt); //…
