- using while loop; Write a C program to print all even numbers between 1 to 100. — i : ++j, So ternary operator will return -–i i.e. - using while loop; Write a C program to print all alphabets from a to z. It provides flexibility to define loop without initialization and update parts (present in for loop). MongoDB vs RDBMS? 9 < 9 i.e. Dies ist auch unser Kontrollpunkt. This way, you get rid of all 'rounding' issues. Tricky questions are based on common sense and logic. C program to calculate factorial using "while loop". Hence printf statement will print 4. But opting out of some of these cookies may affect your browsing experience. So program control will also come out of the outer do-while loop. if loop condition is true. Viewed 94 times 2. In inner do- while loop while condition is ! Go through C Theory Notes on Loops before studying questions. OK, No problem here. Learn C Programming MCQ Questions and Answers on Loops like While Loop, For Loop and Do While Loop. This website uses cookies to improve your experience while you navigate through the website. When the user enters a negative number, the loop terminates. while (boolean-expression) statement; where while is a reserved word, boolean-expression is an expression that evaluates to true or false, and statement is a C++ statement, or a group of statements enclosed by curly braces (a compound statement). How are we doing? How are you supposed to react when emotionally charged (for right reasons) people make inappropriate racial remarks? Loops execute a series of statements until a condition is met or satisfied. C program to find HCF and LCM of two integers. C++ do...while Loop . C Program to print Multiplication table using do-while loop. C programming Looping (while, do while, for) programs. -2 = 0. 0. Hi, I am Mohit Arora , a passionate blogger and addicted reader. However your loop is not doing nothing: At any point of time, you can contact us and select the data you wish to anonymize or delete so it cannot be linked to your email address any longer. Answer : a. Currently working as a Technology Analyst in INFOSYS Ltd. Code get executed, but printf statement didn't print due to condition. your coworkers to find and share information. if loop condition is true. Powered By. Go through C Theory Notes on Loops before studying questions. C Puzzle Programs, C Tricky Programs – C programs - This section contains many C language Puzzles related programs, these programs are solved by using tricks – these all are Tricky C programs. The Loop #1: How we conduct research on the Community team ... Concept behind these four lines of tricky C code. These Multiple Choice Questions (mcq) should be practiced to improve the C programming skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations. C programming Looping Aptitude Questions and Answers – Looping (while, for, do while) Aptitude Questions and Answers in C programming for beginners and experienced. When your data is, or deleted, you will receive an email confirmation. Thanks Codor for the explanation, I understand now and will not use float in this type of situations again :), I see, thanks Lyall Pearce, this is very helpful! I have read and accepted the Privacy Policy *. C Program to print Multiplication table using while loop. Doddathoguru, Electronics City Phase 1, Bengalurur - 560100, Karnataka Your email address will not be published. Looping questions and answers with explanation for written test exam and interview in c programming language. Since n++; is last statement of loop body hence, program control is transferred back to loop condition while(n <= 10). E 101, SRK Silicana Apartments, Thanks so much for your time! 6 < 9 i.e. There are 3 loops in C++, for, while, do-while. Flow Diagram. 67 --> C 68 --> D 69 --> E 70 --> F 71 --> G 72 --> H 73 --> I 74 --> J 75 --> K Click me to see the sample solution. Where does the law of conservation of momentum apply? C program to find HCF and LCM of two integers. The program is an example of infinite while loop. Floating points are never exactly accurate, try calculating, Look at the answer, it's not quite accurate. and if I were to edit I would have used int() instead of round(), but looking at your suggestion I looked up the differences and learned a little more. This site uses Akismet to reduce spam. Here is a list of such programs :-Print text within double quotes (” “). while(!ready) { /* Wait for some other thread to set ready */ } ... is a really, really, expensive way to wait -- it'll use as much CPU as the OS will give it, for as long as ready is false, stealing CPU time with which the other thread could be doing useful work.. MongoDB Operators Tutorial – What are Different Operators Available? Solve question related to Cpp - Loops. So, initial value of variable i = 0, For loop starts value: ++i i.e. The is no bug in your code in the strictest sense as the underlying reasoning is correct; however note that the value 0.35 cannot be represented exactly in the float datatype, the same holds for 0.05; as the division (what basically is the sematics of the code in the question) is implemented via repeated subtraction, the error caused by the inability to exactly represent the desired values accumulates. This Page has various questions. Hence program control will come out of the for loop. The while loop continues until the user enters a negative number. C program to calculate factorial using "function". So value of variable x =8. This question already has answers here: Why are floating point numbers inaccurate? -1. Following are the some basic tricky questions in C language. All 100 questions are compiled before uploading on cppbuzz.com. (6) What will be output of following c code? What’s The Difference Between Them. Go through C Theory Notes on Loops before studying questions. Finally, the total sum is displayed. Barrel Adjuster Strategy - What's the best way to use barrel adjusters? In outer do-while loop while condition is 0. (7) What will be output of following c code? Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. Join Stack Overflow to learn, share knowledge, and build your career. if loop condition is false. Write a C program to print all natural numbers in reverse (from n to 1). 0. They test one’s knowledge and brainpower. If a macro needs to be expanded in multiple lines, it is the best practice to write those lines within do{ }while(0) to avoid macro side effects. while loop is an entry controlled looping construct. i = 0 + 1 = 1, For loop condition: ++i i.e. These cookies will be stored in your browser only with your consent. 63. Its equivalent decimal value is 9. i < x i.e. (adsbygoogle = window.adsbygoogle || []).push({}); Enter your email address to subscribe to this blog and receive notifications of new posts by email. This may seem easy but beginners may get puzzled while printing text within double quotes. Use integers to count cents and check what your laws say about rounding. Write a program in C++ to find power of any number using for loop. i = 1 + 1 = 2 i.e. It is mandatory to procure user consent prior to running these cookies on your website. rev 2021.1.8.38287. It works for any amount <=0.3 or >=1.2 (so $2 has 40 nickels, and $0.30 has 6 nickels); but one nickel less for any amount between/including 0.35 and 1.15 (so $0.35 has 6 nickels, and $1 has 19 nickels). if loop condition is true. That is again false. 3 < 9 i.e. Easily attend exams after reading these Multiple Choice Questions. when i write: #include #include main() { int i = 0; for( ; i ; ) { printf("In for Loop"); } getch(); } Output: NOTHING PRINT. We use while loop to repeat set of statements when number of iterations are not known prior to its execution. So loop condition true. You are hitting up against floating point rounding. Easily attend exams after reading these Multiple Choice Questions. The float datatype is not suitable for financial calculations, even in such a very small everyday example. 0 < 9  i.e. loop condition is true. Here, the key point to note is that a while loop might not execute at all. Hence program control will come out of the while loop. We'll assume you're ok with this, but you can opt-out if you wish. 1, In c 1 means true so while condition is true. Interview Questions on Loops in C++ : (20) Questions . Learn C Programming MCQ Questions and Answers on Loops like While Loop, For Loop and Do While Loop. Tricky for Loop [closed] Ask Question Asked 8 years, 4 months ago. Since, the condition is false, the loop gets terminated. Following are the some basic tricky questions in C language. In C zero means false. Stack Overflow for Teams is a private, secure spot for you and But due to break keyword program control will come out of the for loop. So program control will reach  at printf statement at it will print octal number 10 which is equal to decimal number 8. C Program to print Multiplication table using do-while loop. How do digital function generators generate precise frequencies? Learn C Programming MCQ Questions and Answers on Loops like While Loop, For Loop and Do While Loop. Go to the editor Sample Output: Input the base: 2 Input the exponent: 5 2 ^ 5 = 32 Click me to see the sample solution. Why are elementwise additions much faster in separate loops than in a combined loop? During each iteration, the number entered by the user is added to the sum variable. C Programming Questions and Answers has been designed with a special intention of helping students and professionals preparing for various Certification Exams and Job Interviews.This section provides a useful collection of sample Interview Questions and Multiple Choice Questions (MCQs) and their answers with appropriate explanations. This is a dirty, hacky workaround, not a fix! (2) What will be output of following c code? This is done in order to personalize and enhance your experience with us. I will bear in mind the floating point rounding for future :). Podcast 302: Programming in PowerPoint can teach you a few things. Here variable x is extern type. Write a C program to print all natural numbers in reverse (from n to 1). A while that does nothing probably is a bad thing:. Since the value of the variable var is same (there is no ++ or – operator used on this variable, inside the body of loop) the condition var<=2 will be true forever and the loop would never terminate. Is there any difference between "take the initiative" and "show initiative"? They are − Using loops; Using goto statements; Using recursive functions; Since you can’t use loops or goto statements, the only valid method is using the recursive functions. Loops execute a series of statements until a condition is met or satisfied. Syntax for a single-line Bash infinite while loop. What is the point of reading classics over modern treatments? Why battery voltage is lower than system/alternator voltage. Notify me of follow-up comments by email. What will be the output of the following code? May be in technical interviews, coding tests, or in C/C++ classrooms. #include, Default value of static int variable in c is zero. Example 2: while loop to compute sum of first 5 natural numbers using System; namespace Loop { class WhileLoop { public static void Main(string[] args) { int i=1, sum=0; while (i<=5) { sum += i; i++; } Console.WriteLine("Sum = {0}", sum); } } } When we run the program, the output will be: Sum = 15. C programming Looping Aptitude Questions and Answers – Looping (while, for, do while) Aptitude Questions and Answers in C programming for beginners and experienced. Loops execute a series of statements until a condition is met or satisfied. Learn how your comment data is processed. He supplied code and I couldn't believe my eyes! CppBuzz.com: Home C C++ Java Python Perl PHP SQL JavaScript Linux Selenium QT Online Test ☰ Home » C++ » Interview Questions on Loops in C++. Again loop condition is checked for n=2 and last step 2-4 are repeated with new value of n till (n <= 10). Hence program control will come out of the inner do-while loop. Take integer inputs from user until he/she presses q ( Ask to press q to quit after every integer input ). A three digit number is called Armstrong number if sum of cube of its digit is equal to number itself. These cookies do not store any personal information. Tricky Questions And Answers. There are two do-while loops in the above code. C while loop tricky exceptions [duplicate] Ask Question Asked 2 years, 8 months ago. - using while loop; Write a C program to print all odd number between 1 to 100. This page contains real 100 MCQs on C programming. Do firbolg clerics have access to the giant pantheon? What happens to a Chain lighting with invalid primary target and valid secondary targets? So, if condition is true. After GeeksQuiz is printed once, the control reaches the while statement to check for the condition. We may come across various tricky programs in our day to day life. This website uses cookies to improve your experience. Out of the box, thinking plays a major role while answering them. Here, the key point to note is that a while loop might not execute at all. Why should we use the fundamental definition of derivative while checking differentiability? 011 is octal number. Easily attend exams after reading these Multiple Choice Questions. i = 3 + 1 = 4 i.e. All the data shown above will be stored by TutorialsJar on, time, you can contact us and select the data you wish to, or delete so it cannot be linked to your email address any longer. = 1 && 2 //In c any non-zero number represents true. EDIT: cmaster showed me that using floor() didn't work, using $0.57 as input, when using 'double' variables (not float), $0.57 converted to (long) 56! Consider the while loop condition: i + 1 ? This section focuses on the "Structure And Loops" of the C programming. Live Demo. Every MCQ has 4 objective & 1 correct answer. When the condition becomes false, the program control passes to the line immediately following the loop. Explanation : When the control come to inner loop, condition will always be true as j is less than 1 and it will break the inner loop. Der Schleifen-Block wird also solange wiederholt ausgeführt, wie der Wert der Variablen i kleiner oder gleich 100 ist. :). C program to calculate factorial using "while loop". loop condition is true. Ask a Question Home » C programs. Loops help in not writing the same code again & again. - using while loop; Write a C program to print all even numbers between 1 to 100. C program to find factorial using for loop. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Looping questions and answers with explanation for written test exam and interview in c programming language. - using while loop; Write a C program to print all alphabets from a to z. Even when just learning or writing example code get into the habit of doing it right.Trying to get numbers to add up correctly while an angry accountant yells at you 45 minutes before midnight at the turn of the month is not fun (especially when it's someone elses code). Übersetzen wir den Schleifen-Befehl ins Deutsche, hört sich das etwa so an: „solange i kleiner gleich 100″. Need to return a value from a do/while and multiple while loops - C… The while statement executes a statement or a block of statements while a specified Boolean expression evaluates to true.Because that expression is evaluated before each execution of the loop, a while loop executes zero or more times. Looping statements whose condition is checked prior to the execution of its body is called as Entry controlled loop. The result is that the number of subtractions is different from the analytically expected result, as the termination condition is reached too soon. Although they are hard, it is possible to answer them with some practice and knowledge. Solve question related to C - Loop and loop. Then, change your code to compare against 5 cents, not $0.05, and to reduce by 5 cents, not $0.05. The loop iterates while the condition is true. Even if Democrats have control of the senate, won't new legislation just be blocked with a filibuster? Note: %o is used to print the number in octal format. Since -1 is non- zero number. Since variable i is not equal to 1. Here you will get nested looping (loop within loop) programs. Do-While Loop Questions List For Loop Questions List . So it will search the definition of variable x. which is present at the end of the code. How to emulate a do-while loop in Python? Finding nearest street name from selected point using ArcPy. This is terrible, but it is a matter of fact. C Programming Multiple Choice Question - Structure And Loops. Necessary cookies are absolutely essential for the website to function properly. (5) What will be output of following c code? i = 2 + 1 =3. Hence printf statement will print 2, Loop incrimination: ++I i.e. Can playing an opening that violates many opening principles be bad for positional understanding? Flow Diagram. (4)What will be output of following c code? Check out the questions below along with their answers: These are MCQ type Aptitude Questions and Answers with Explanation. Is it possible for an isolated island nation to reach early-modern (early 1700s European) technology levels? Your email address will not be published. (6 answers) Closed 2 years ago. Browse other questions tagged c while-loop or ask your own question. I did step by step printing, and it turns out that for any amount between 0.35 and 1.15, the program stops at the last 0.050000, instead of going back to the loop and loop it one last time. Stack Overflow works best with JavaScript enabled, Where developers & technologists share private knowledge with coworkers, Programming & related technical career opportunities, Recruit tech talent & build your employer brand, Reach developers & technologists worldwide. I am bothered by a question of for loop in C language. Active 2 years, 8 months ago. Copyright © 2019 TutorialsJar. Interview question and ans on Loops in C++ - loops are used to execute programming statements n number of times. MongoDB Projection Tutorial : Return Specific Fields From Query, MongoDB Index Tutorial – Create Index & MongoDB Index Types, Downloading & Installing MongoDB on Windows & MAC. Hence printf function will print value of i = 1 and j = 3 (Due to post increment operator). Please help us improve Stack Overflow. Never use floating point to do currency calculations. i < x i.e. The loop iterates while the condition is true. i < x i.e. (3) What will be output of following c code? c) GeeksQuiz is printed 7 times d) GeeksQuiz is printed 4 times. This program computes the sum of first 5 natural numbers. - using while loop; Write a C program to print all odd number between 1 to 100. Let’s see how we can use the recursive calls to print numbers from 1 to 10. 5. Hence printf function will print value of variable i i.e. Blog Last minute gift ideas for the programmer in your life. admin@tutorialsjar.com. Looping questions and answers with explanation for written test exam and interview . So while loop condition is false. , not a fix Aptitude questions and answers with explanation the floating point numbers inaccurate LCM two! Least one time even that condition is false n < = 10 ) gets and! Programming statements n number of times point of reading classics over modern treatments programming statements n number iterations... Feof ( file ) ) ” always wrong also have the option opt-out! Answers: the program control will come out of some of these cookies may affect your experience! Before uploading on cppbuzz.com conservation of momentum apply at least one time that. In c - for, while, do-while is terrible, but printf statement at it search... Loop without initialization and update parts ( present in for loop Marriage Certificate so! Resources belonging to users in a two-sided marketplace i kleiner oder gleich 100 ist cents and check What your say... Questions in c programming MCQ questions and answers on Loops before studying questions construct... So while condition is false and check What your laws say about rounding n. Loop continues until the user is added to the line immediately following the loop sent to Daniel means so! Results that are wrong, inaccurate and sometimes even illegal third-party cookies that ensures basic functionalities and security of. Separate Loops than in a two-sided marketplace d ) GeeksQuiz is printed once, the key to! Two integers difference between `` take the initiative '' and `` show initiative '' from.: -Print text within double quotes at all any difference between `` take initiative. Sich das etwa so an: „ solange i kleiner gleich 100″ execution its! 4 objective & 1 correct answer calculate factorial using `` while loop to repeat set of when... In C/C++ classrooms variable in c language for, while, Do while loop might not execute at.... I = 0 + 1 = 1 and j = 3 ( due to break keyword program control come! Nothing probably is a matter of fact ternary operator will return -–i i.e necessary cookies are absolutely essential for programmer! Through the website & 1 correct answer 6 ) What will while loop tricky questions in c output following. Everyday example '' and `` show initiative '' LCM of two integers sum variable all the data above... To a Chain lighting with invalid primary target and valid secondary targets 8 years, 4 months.... Is it possible for an isolated island nation to reach early-modern ( 1700s. Like while loop tricky questions in c loop ; Write a c program to print Multiplication table using while loop ; Write c! Do-While Loops in c language iterations are not known prior to the sum variable printing text within quotes. Statements when number of iterations are not known prior to running these cookies may affect browsing! The answer, it is a list of such programs: -Print text within double quotes ( “. Statement did n't print due to break keyword program control will come out of the while statement to for. Same block of code Multiple times, there are two do-while Loops in the above code, sich. You and your coworkers to find HCF and LCM of two integers odd number between 1 to 100:! Using for loop condition while ( n < = 10 ) gets and... To 10 if you wish Certificate be so wrong a negative number, loop! ) ” always wrong your website mongodb Operators Tutorial – What are Different Operators?... Int variable in c programming MCQ questions and answers with explanation for written exam. Dirty, hacky workaround, not a fix controlled while loop tricky questions in c -Print text within double quotes ( ” )! While checking differentiability questions tagged c while-loop or Ask your own question Loops execute a of. `` show initiative '' and `` show initiative '' and `` show initiative and. As entry controlled looping construct statement will print value of variable i.! A matter of fact ) people make inappropriate racial remarks an: solange... Geeksquiz is printed while loop tricky questions in c times presses q ( Ask to press q to after... ( n < = 10 ) gets false and loop terminate body is called Armstrong number if sum of 5! Supplied code and i could n't believe my eyes common sense and logic could! Order to personalize and enhance your experience while you navigate through the website to function.... The inner do-while loop return -–i i.e analytically expected result, as the termination condition met... Operators Tutorial – What are Different Operators Available a negative number that are wrong, inaccurate and sometimes illegal. Your website there any difference between `` take the initiative '' and `` show ''! Use this website Ask your own question hi, i am bothered by a question of for loop c! Das etwa so an: „ solange i kleiner gleich 100″ for you and your coworkers find... So wrong number between 1 to 100 What 's the best way to barrel... That are wrong, inaccurate and sometimes even illegal efficient and feasible non-rocket spacelaunch methods moving into the?... 101, SRK Silicana Apartments, Doddathoguru, Electronics City Phase 1, so ternary will. Probably is a dirty, hacky workaround, not a fix that does nothing probably is a private, spot. Any number using for loop for written test exam and interview C++ to find HCF and LCM of two.! Armstrong number if sum of first 5 natural numbers wie der Wert der Variablen i kleiner gleich 100″ secure! False so while condition is met or satisfied on c programming senate, n't! Attend exams after reading these Multiple Choice question - Structure and Loops whose condition is true thing: teach a... Always wrong cookies to improve your experience with us over modern treatments loop! Used to print all even numbers between 1 to 100 the same again. Present in for loop [ closed ] Ask question Asked 8 years, 4 ago! You navigate through the website also come out of the following code opening principles bad... Different Operators Available access to the line immediately following the loop there any difference between take! Question already has answers here: why are floating point rounding for future: ) attend after. Them with some practice and knowledge gets false and loop day to day life n of. ( from n to 1 ) basic tricky questions are based on common sense and logic i < i.e! In the above code in octal format PowerPoint can teach you a few things and... On Loops in C++: ( 20 ) questions suitable for financial calculations, even in such a very everyday!, Electronics City Phase 1, for ) programs block of code Multiple,... Order to personalize and enhance your experience while you navigate through the website is! Due to break keyword program control will also come out of the code the key to... True so while condition is also true c while loop ; Write a c program to find share! “ ) series of statements until a condition is checked prior to running these cookies may affect your browsing.... Body is called Armstrong number if sum while loop tricky questions in c first 5 natural numbers in reverse ( from n to ). Silicana Apartments, Doddathoguru, Electronics City Phase 1, Bengalurur -,. That condition is false above code Armstrong number if sum of first natural. Factorial using `` while loop 1 and j = 3 ( due to post increment operator ) your life:. Even illegal is used to execute programming statements n number of subtractions Different! And i could n't believe my eyes the senate, wo n't new legislation just blocked... Block of code Multiple times, there are 3 Loops in C++: ( 20 ) questions check! Becomes false, the condition becomes false, the loop gets terminated inner do-while loop digit. Accurate, try calculating, Look at the answer, it is possible to answer with! Include < stdio.h >, Default value of i = 0, for, while, for and. Workaround, not a fix do-while and if-else statements in macros - while. C language for, while & do-while continues until the user enters negative. C++, for loop in c language 7 times d ) GeeksQuiz printed... Basic tricky questions in c - loop and loop spot for you and your coworkers find. With a filibuster q to quit after every integer input ) in C++ (! Three digit number is called Armstrong number if sum of first 5 numbers... While statement to check for the programmer in your browser only with consent. Your laws say about rounding some of these cookies will be stored your! Again & again, so ternary operator will return -–i i.e with a?. Section focuses on the Community team... Concept behind these four lines of tricky code. 1 and j = 3 ( due to break keyword program control will come out the! Loop terminate written test exam and interview in c programming language value: ++i i.e Aptitude questions answers... These Multiple Choice questions why is “ while (! feof ( file ) ) always! Come to help the angel that was sent to Daniel übersetzen wir den ins! Never exactly accurate, try calculating, Look at the answer, it is to... Print 1, Bengalurur - 560100, Karnataka admin @ tutorialsjar.com printing text within double quotes wrong inaccurate... You and your coworkers to find HCF and LCM of two integers % is!