Q&A

How do you decide which loop to use?

How do you decide which loop to use?

When to Use Each Loop

  1. Use a for loop to iterate over an array.
  2. Use a for loop when you know the loop should execute n times.
  3. Use a while loop for reading a file into a variable.
  4. Use a while loop when asking for user input.
  5. Use a while loop when the increment value is nonstandard.

In which situations should loops be used?

For loops are great for doing the same task over and over when you know ahead of time how many times you’ll have to repeat the loop. On the other hand, while loops are ideal when you have to loop, but you don’t know ahead of time how many times you’ll need to loop.

How would you decide the use of one of three loops in C for a given problem?

  1. for loop – This loop is executed specific number of time.
  2. while loop – When you want to run the body of loop until an expression is true then while must be used .
  3. do-while loop – It operates under the same concept as the while loop except that the do-while will always execute.
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What are the types of loops how do we use each type?

There are mainly two types of loops:

  • Entry Controlled loops: In this type of loops the test condition is tested before entering the loop body. For Loop and While Loop are entry controlled loops.
  • Exit Controlled Loops: In this type of loops the test condition is tested or evaluated at the end of loop body.

How do you know which loop is better in which situation?

As for your question, a for loop is usually better when you want a piece of code to run a certain number of times, and a while loop is better when the condition for the code to keep running is more general, such as having a boolean flag that is only set to true when a certain condition is met in the code block.

Which type of loop is ideal for program with determined number of loop?

for: the loop is repeated a “specific” number of times, determined by the program or the user. The loop “counts” the number of times the body will be executed. This loop is a good choice when the number of repetitions is known, or can be supplied by the user.

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What is the best C looping statement to use if you need to do something a fixed number of times?

A “For” Loop is used to repeat a specific block of code a known number of times.

Which type of loop is best to use when you know exactly how many times the loop should repeat?

In general, you should use a for loop when you know how many times the loop should run. If you want the loop to break based on a condition other than the number of times it runs, you should use a while loop.

Do While loop is useful when we want that statement within the loop must be executed?

Explanation: in case the condition is true,the control goes back to beginning of loop.. this means that the statements inside the loop are executed before the condition is tested.so do while loop should be used in all scenarios where the loop body needs to be executed at least once.

What are 4 types of loops?

Types of Loops in C

Sr. No. Loop Type
1. While Loop
2. Do-While Loop
3. For Loop

Which type of loop is usually used as a counted loop?

A common type of program loop is one that is controlled by an integer that counts up from a initial value to an upper limit. Such a loop is called a counting loop. The integer is called a loop control variable. Loops are implemented with the conditional branch, jump, and conditional set instructions.

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What are the different types of looping statements in C?

Depending upon the position of a control statement in a program, looping statement in C is classified into two types: 1. Entry controlled loop 2. Exit controlled loop In an entry control loop in C, a condition is checked before executing the body of a loop.

What is LoopLoop in C?

Loop’s body has set of statements, which gets executed on every iteration until a given condition is met. We have three types of loops in C. The working of these loops are almost similar, however they are being used in different scenarios. You may need to choose the loop based on the requirement.

How to handle looping requirements in C programming language?

C programming language provides the following types of loops to handle looping requirements. Repeats a statement or group of statements while a given condition is true. It tests the condition before executing the loop body. Executes a sequence of statements multiple times and abbreviates the code that manages the loop variable.

What is the syntax of while loop in C programming language?

Syntax of while loop in C programming language is as follows: while (condition) { statements; } It is an entry-controlled loop. In while loop, a condition is evaluated before processing a body of the loop.