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Types of Loop
Loops are the elements of programming in which a part of code is repeated a particular number of times. Loop executes the series of statements many times till the conditional statement becomes false.
Loops
Any task which is repeated more than one time is called a loop. Basically, loops can be divided into three types as while, do-while and for loop. There are so many programming languages like C, C++, JAVA, PYTHON, and many more where looping statements can be used for repetitive execution.
While Loop
Loop is a feature in the programming language. It helps us to execute a set of instructions regularly. The block of code executes until some conditions provided within that Loop are true.
Q3: Convert the following while loop into a do-while loop.
int number;
int sum = 0;
count<< "Enter an integer, the input ends if it is 0"; cin >> number;
cout<<endl;
while (number != 0) {
sum += number;
cout<< "Enter an integer, the input ends if it is 0"<<endl; cin >> number;
}
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- Write the following for loop as a while loop. for (int count = 1; count <= 10; count++) cout << count << endl ;If the output of the following for loop is 25 18 What are the loop continuation condition and increment? for(int count = 25;___________; ___________) cout << count << " ";Problem 2: Safe Square Root Write a program to take the square root of a number typed in by the user. Your program should use a while-loop to ensure that the number they typed in is positive. If the number is negative, you should print out a warning “The number is negative. Try again.” and re-prompt the user to take a valid input. You can get the square root of a number n with Math.sqrt(n). Make sure you don't do this until the loop is done and you know for sure you've got a positive number. Sample input and output: Enter a number > -9 The number is negative. Try again. Enter a number > 9 The square root of 9 is 3.0 Enter a number > 2 The square root of 2 is 1.4142135623730951
- Identify the issues in the following loops/if statement and explain why they are occuring. Then write corrected versions of each loop/if statement. int num = 5; while (num > 10) { cout << num << endl; num++; } int countdown = 5; while (countdown > 0) { cout << countdown << endl; countdown -= 2; } int faxulty = 7; int students = 12; if (faculty + students) { cout << "we have the same number of " << "faculty and sudents!" << endl; } else { cout << "we do not have the same number of " << "faculty and students." << endl; }Convert the following while loop to a do-while loop: int x = 1; while (x > 0) { cout << "enter a number: "; cin >> x; cout << "the number you just entered is: " << x; }C++ Write a while loop that prints userNum divided by 4 (integer division) until reaching 2 or less. Follow each number by a space. Example output for userNum = 160:40 10 2 Note: These activities may test code with different test values. This activity will perform four tests, with userNum = 160, then with userNum = 8, then with userNum = 0, then with userNum = -1. See "How to Use zyBooks".Also note: If the submitted code has an infinite loop, the system will stop running the code after a few seconds, and report "Program end never reached." The system doesn't print the test case that caused the reported message. #include <iostream>using namespace std; int main() { int userNum; cin >> userNum; /* Your solution goes here */ cout << endl; return 0;} This is what I came up with but it produces no output
- Write a while loop that will let the user enter a series of integer values and compute the total values and number of values entered. An odd number will stop the loop. Display the number of iterations and the total of the values after the loop terminates. for Loop Write a for loop to display all numbers from 13 - 93 inclusive, ending in 3. Write a for loop to display a string entered by the user backwards. do Loop Write a do .. loop for the random number dice problem from Chap Three. Add a counter variable that is used to count the number of times this code is executed in the loop and stops after 5 times. roll = rand.nextInt(6) + 1; System.out.println(" Roll = " + roll); ctr++; using javaneed help with pyhton......paste ur indented code here Implement the following: 1) Use a loop to request user input from the console. 2) The loop should end when a string, '247', is entered. Example OutputEnter anything (or enter '247' to stop): 0Enter anything (or enter '247' to stop): 5.5Enter anything (or enter '247' to stop): -123Enter anything (or enter '247' to stop): a+bEnter anything (or enter '247' to stop): LOOPEnter anything (or enter '247' to stop): 247'247' is entered. Loop terminates.Assume that the following code is correctly inserted into a program:int num = 1;int count;for (count = 0; count < 5; ++count)num = 2 * num + num % (count + 1);a. What is the final value of num?(i) 15 (ii) 42 (iii) 26 (iv) none of theseb. If a semicolon is inserted after the right parentheses in the for loop statement, what is the final value of num?(i) 1 (ii) 2 (iii) 3 (iv) 4 (v) none of thesec. If 5 is replaced with 0 in the for loop control expression, what is the final value of num?(i) 0 (ii) 1 (iii) 2 (iv) none of these
- The following do...while loop rewritten as a for loop would be: int num = 5; do { System.out.print(num + " " ); num *= 3; //num = num * 3; } while (num <= 30); All of these are correct. int num = 5; for (num <= 30) { System.out.print(num + " "); num *= 3; } for (int num = 5; num <= 30) { System.out.print(num + " "); num *= 3; } for (int num = 5; num <= 30; num *= 3) { System.out.print(num + " " ); }Budget Analysis (Running Total)Write a program BudgetAnalysis.py) that asks the user to enter the amount of money that he or she has available to spend on electronics this year. A loop should then prompt the user to enter each of his or her expenses for electronics and keep a running total. When the loop finishes, the program should display the total amount that the user spent, and analyse if there is still money to buy more electronics. Here are two test runs of the program: Enter your available amount for electronics in 2020: 1500 Enter your expense (-1 for stop): 340 Enter your expense (-1 for stop): 450 Enter your expense (-1 for stop): -1 So far you spent $ 790.0 You can buy more electronics. >>> ========= RESTART: C: \Users \Rita \Desktop \Lab5-1 B BudgetA Enter your available amount for electronics in 2020: 900 Enter your expense (-1 for stop): 730 Enter your expense (-1 for stop): 290 Enter your expense (-1 for stop): -1 So far you spent $ 1020.0 No more electronics in…Part B: For Loop ProgramWrite a program to compute the sum of the first N Fibonacci numbers, where N is an integer that is input by the user. Once it computes the sum, the program will prompt the user for a new value of N. The program will exit if the user enters a non-integer number or string (such as “quit”) instead of an integer. For both the above problems, the first four numbers of the Fibonacci sequence are 0, 1, 1, and 2. Part B must use at least one For loop, but may also use while loops. Invalid (negative) numbers should be flagged and handled. Output should be like : Welcome to the Fibonacci AdderTo quit, end a non-integer number or string How many Fibonacci numbers should be summed? >> 10The sum of the first 10 Fibonacci numbers is: 88 How many Fibonacci numbers should be summed? >> xxx Thank You for Using the Fibonacci Adder