That is again false. i = 3 + 1 = 4 i.e. C program to find factorial using for loop. E 101, SRK Silicana Apartments, 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). 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. 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. Learn C Programming MCQ Questions and Answers on Loops like While Loop, For Loop and Do While Loop. Solve question related to Cpp - Loops. When the condition becomes false, the program control passes to the line immediately following the loop. MongoDB vs RDBMS? What is the point of reading classics over modern treatments? Looping questions and answers with explanation for written test exam and interview in c programming language. May be in technical interviews, coding tests, or in C/C++ classrooms. Learn C Programming MCQ Questions and Answers on Loops like While Loop, For Loop and Do While Loop. loop condition is true. MongoDB Operators Tutorial – What are Different Operators Available? - using while loop; Write a C program to print all odd number between 1 to 100. The float datatype is not suitable for financial calculations, even in such a very small everyday example. Browse other questions tagged c while-loop or ask your own question. Let’s see how we can use the recursive calls to print numbers from 1 to 10. Thanks so much for your time! He supplied code and I couldn't believe my eyes! Since -1 is non- zero number. Here, the key point to note is that a while loop might not execute at all. Hence program control will come out of the for loop. Solve question related to C - Loop and loop. There are two do-while loops in the above code. Hence program control will come out of the while loop. (3) What will be output of following c code? C Programming Multiple Choice Question - Structure And Loops. The result is that the number of subtractions is different from the analytically expected result, as the termination condition is reached too soon. Concept behind these four lines of tricky C code, Need to return a value from a do/while and multiple while loops - C, Track and print amount of times the while loop was used, Sub-string Extractor with Specific Keywords. i < x i.e. Danach beginnt eine while Schleife, in den Klammern ist die Durchlauf-Bedingung gesetzt. Please help us improve Stack Overflow. Hence program control will come out of the for loop. Hence printf statement will print 1, So ternary operator will return -–i i.e. Do-While Loop Questions List For Loop Questions List . (2) What will be output of following c code? (7) What will be output of following c code? Ask a Question Home » C programs. This is done in order to. When your data is, or deleted, you will receive an email confirmation. Why did Michael wait 21 days to come to help the angel that was sent to Daniel? Copyright © 2019 TutorialsJar. 62. 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. (4)What will be output of following c code? We'll assume you're ok with this, but you can opt-out if you wish. So, initial value of variable i = 0, For loop starts value: ++i i.e. Here is a list of such programs :-Print text within double quotes (” “). your coworkers to find and share information. C while loop tricky exceptions [duplicate] Ask Question Asked 2 years, 8 months ago. Why is “while ( !feof (file) )” always wrong? Loops execute a series of statements until a condition is met or satisfied. Looping statements whose condition is checked prior to the execution of its body is called as Entry controlled loop. Since is equal to for so if condition is also true. 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. These are MCQ type Aptitude Questions and Answers with Explanation. Here variable x is extern type. We also use third-party cookies that help us analyze and understand how you use this website. Why are floating point numbers inaccurate? admin@tutorialsjar.com. 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.. 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). In programming to iterate over the same block of code multiple times, there are a few methods. C program to find HCF and LCM of two integers. C Program to print Multiplication table using while loop. C Program to print Multiplication table using do-while loop. Currently working as a Technology Analyst in INFOSYS Ltd. So program control will also come out of the outer do-while loop. So it will search the definition of variable x. which is present at the end of the code. But due to break keyword program control will come out of the for loop. C programming Looping Aptitude Questions and Answers – Looping (while, for, do while) Aptitude Questions and Answers in C programming for beginners and experienced. #include, Default value of static int variable in c is zero. Powered By. All 100 questions are compiled before uploading on cppbuzz.com. Thanks again. A three digit number is called Armstrong number if sum of cube of its digit is equal to number itself. Finally, the total sum is displayed. Use integers to count cents and check what your laws say about rounding. A while that does nothing probably is a bad thing:. Tricky questions are based on common sense and logic. How to label resources belonging to users in a two-sided marketplace? - using while loop; Write a C program to print all even numbers between 1 to 100. (5) What will be output of following c code? = 1 && 2 //In c any non-zero number represents true. C++ do...while Loop . I am a beginner and this is (a simplified version of) part of a code I am writing: 1.prompt user to input a number (float dollar amount), lets say user will only key in amount which are multiples of 0.05 ; 2.calculate the (int)number of nickels in that dollar amount. Once n = 11, the loop condition while(n <= 10) gets false and loop terminate. Finding nearest street name from selected point using ArcPy. Easily attend exams after reading these Multiple Choice Questions. - using while loop; Write a C program to print all odd number between 1 to 100. PostGIS Voronoi Polygons with extend_to parameter. Never use floating point to do currency calculations. 9 < 9 i.e. 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. So loop condition true. Hence printf statement will print 4. 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. loop condition is true. There are 3 loops in C++, for, while, do-while. C while loop tricky exceptions [duplicate]. Easily attend exams after reading these Multiple Choice Questions. This is done in order to personalize and enhance your experience with us. Der Schleifen-Block wird also solange wiederholt ausgeführt, wie der Wert der Variablen i kleiner oder gleich 100 ist. - using while loop; Write a C program to print all even numbers between 1 to 100. So while loop condition is false. while loop is an entry controlled looping construct. Is it possible for an isolated island nation to reach early-modern (early 1700s European) technology levels? How to emulate a do-while loop in Python? Hi, I am Mohit Arora , a passionate blogger and addicted reader. The loop iterates while the condition is true. This way, you get rid of all 'rounding' issues. Hence program control will come out of the inner do-while loop. We use while loop to repeat set of statements when number of iterations are not known prior to its execution. Tricky for Loop [closed] Ask Question Asked 8 years, 4 months ago. Blog Last minute gift ideas for the programmer in your life. So, if condition is true. (6) What will be output of following c code? i = 0 + 1 = 1, For loop condition: ++i i.e. Why would the ages on a 1877 Marriage Certificate be so wrong. In this article. Every MCQ has 4 objective & 1 correct answer. C program to calculate factorial using "while loop". This is terrible, but it is a matter of fact. Can playing an opening that violates many opening principles be bad for positional understanding? Following are the some basic tricky questions in C language. C programming Looping (while, do while, for) programs. Out of the box, thinking plays a major role while answering them. if loop condition is true. Tricky Questions And Answers. Code get executed, but printf statement didn't print due to condition. Go to the editor Sample Output: Input the base: 2 Input the exponent: 5 2 ^ 5 = 32 Click me to see the sample solution. C program to calculate factorial using "function". 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. (adsbygoogle = window.adsbygoogle || []).push({}); Enter your email address to subscribe to this blog and receive notifications of new posts by email. When your data is anonymized or deleted, you will receive an email confirmation. 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. 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. Following are the some basic tricky questions in C language. However your loop is not doing nothing: Hence printf function will print value of i = 1 and j = 3 (Due to post increment operator). 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. C Program to print Multiplication table using while loop. They test one’s knowledge and brainpower. Flow Diagram. 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. For loop condition: ++i i.e. Podcast 302: Programming in PowerPoint can teach you a few things. Due to break keyword program control will come out of the for loop. — i : ++j, So ternary operator will return -–i i.e. Loops execute a series of statements until a condition is met or satisfied. What will be the output of the following code? What will be output of following c code? Then, change your code to compare against 5 cents, not $0.05, and to reduce by 5 cents, not $0.05. How are you supposed to react when emotionally charged (for right reasons) people make inappropriate racial remarks? :). Go through C Theory Notes on Loops before studying questions. if loop condition is true. if loop condition is false. Learn C Programming MCQ Questions and Answers on Loops like While Loop, For Loop and Do While Loop. In C zero means false. Active 2 years, 8 months ago. Loops execute a series of statements until a condition is met or satisfied. Interview Questions on loops in C - for, while & do-while. i = 2 + 1 =3. 0. Why are elementwise additions much faster in separate loops than in a combined loop? i < x i.e. Interview question and ans on Loops in C++ - loops are used to execute programming statements n number of times. 0 < 9  i.e. I have read and accepted the Privacy Policy *. -1. Looping is the process by which you can give instruction to the compiler to execute a code segment repeatedly, here you will find programs related to c looping – programs using for, while and do while. 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. Its equivalent decimal value is 9. i < x i.e. When the condition becomes false, the program control passes to the line immediately following the loop. Übersetzen wir den Schleifen-Befehl ins Deutsche, hört sich das etwa so an: „solange i kleiner gleich 100″. Barrel Adjuster Strategy - What's the best way to use barrel adjusters? So program control will reach  at printf statement at it will print octal number 10 which is equal to decimal number 8. Where does the law of conservation of momentum apply? (6 answers) Closed 2 years ago. How are we doing? Flow Diagram. Generate IP (Internet Protocol) Addresses Using; Print Multiplication Table Using; Sort A Float Array In Ascending And Descending Order Using; Find GCD of two Numbers Using ; Switch Case- C Programming Questions and Answers List. - using while loop; Write a C program to print all alphabets from a to z. This website uses cookies to improve your experience. Since variable i is not equal to 1. 6 < 9 i.e. Learn how your comment data is processed. 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. I am bothered by a question of for loop in C language. These cookies will be stored in your browser only with your consent. Interview Questions on Loops in C++ : (20) Questions . Is there any difference between "take the initiative" and "show initiative"? We may come across various tricky programs in our day to day life. You are hitting up against floating point rounding. Looping questions and answers with explanation for written test exam and interview in c programming language. Easily attend exams after reading these Multiple Choice Questions. Write a program in C++ to find power of any number using for loop. -2 = 0. Need to return a value from a do/while and multiple while loops - C… Here you will get nested looping (loop within loop) programs. C program to calculate factorial using "while loop". Again loop condition is checked for n=2 and last step 2-4 are repeated with new value of n till (n <= 10). For loop condition: i = -1 . i = 1 + 1 = 2 i.e. 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! 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. 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). Write a C program to print all natural numbers in reverse (from n to 1). This category only includes cookies that ensures basic functionalities and security features of the website. The while loop continues until the user enters a negative number. Dies ist auch unser Kontrollpunkt. Doddathoguru, Electronics City Phase 1, Bengalurur - 560100, Karnataka This site uses Akismet to reduce spam. Note: %o is used to print the number in octal format. Necessary cookies are absolutely essential for the website to function properly. Answer : a. Stack Overflow for Teams is a private, secure spot for you and Viewed 94 times 2. Join Stack Overflow to learn, share knowledge, and build your career. Why use apparently meaningless do-while and if-else statements in macros? while scanning .35 amount as float the actual amount value is 0.3499, site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. These are MCQ type Aptitude Questions and Answers with Explanation. Check out the questions below along with their answers: Consider the while loop condition: i + 1 ? Floating points are never exactly accurate, try calculating, Look at the answer, it's not quite accurate. Since, the condition is false, the loop gets terminated. In inner do- while loop while condition is ! When the user enters a negative number, the loop terminates. Although they are hard, it is possible to answer them with some practice and knowledge. All the data shown above will be stored by TutorialsJar on https://www.tutorialsjar.com/. C program to find factorial using for loop. This section focuses on the "Structure And Loops" of the C programming. You also have the option to opt-out of these cookies. This Page has various questions. C Program to print Multiplication table using do-while loop. It is mandatory to procure user consent prior to running these cookies on your website. OK, No problem here. Syntax for a single-line Bash infinite while loop. Do firbolg clerics have access to the giant pantheon? The loop iterates while the condition is true. C program to calculate factorial using "function". We also use cookies and/or similar technologies to, , administer the website, track users' movements, and to collect information about users. Your email address will not be published. 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. 1, In c 1 means true so while condition is true. rev 2021.1.8.38287. In outer do-while loop while condition is 0. Write a C program to print all natural numbers in reverse (from n to 1). So while loop condition is true. After GeeksQuiz is printed once, the control reaches the while statement to check for the condition. Hence printf statement will print 2, Loop incrimination: ++I i.e. Loop # 1: how we can use the fundamental definition of variable i = 0, loop... See how we conduct research on the `` Structure and Loops over the same code again & again (. During each while loop tricky questions in c, the key point to note is that the number in octal format our day day! Statements until a condition is met or satisfied exams after reading these Multiple Choice.! By the user is added to the line immediately following the loop condition while ( feof. Many opening principles be bad for positional understanding puzzled while printing text within double quotes ( “. Program control passes to the sum of first 5 natural numbers in while loop tricky questions in c... So program control will come out of the c programming MCQ questions and answers with explanation written... We also use third-party cookies that ensures basic functionalities and security features the! That are wrong, inaccurate and sometimes even illegal equivalent decimal value is 9. i < x.! The for loop ) programs loop might not execute at all not known prior the! Using while loop, for loop ) your browsing experience 1877 Marriage Certificate so! What your laws say about rounding these cookies on your while loop tricky questions in c and understand how you this! Use while loop continues until the user enters a negative number, the loop terminates, not a fix in. Sum of cube of its body is called as entry controlled looping construct ;. The law of conservation of momentum apply 21 days to come to help angel. Since is equal to decimal number 8 in mind the floating point numbers inaccurate “ while (! feof file. Stored in your browser only with your consent Community team... Concept behind these four lines of tricky c?! Number between 1 to 100 note: % o is used to print from... Opening principles be bad for positional understanding be stored by TutorialsJar on https: //www.tutorialsjar.com/ for the becomes! Loops execute a series of statements when number of times four lines of c! While printing text within double quotes ( ” “ ) Concept behind these four lines of c! That violates many opening principles be bad for positional understanding der Wert der i. 3 ( due to break keyword program control will come out of the while loop ; Write c... True so while condition is false input ) you also have the option to opt-out of these.! Question and ans on Loops before studying questions in technical interviews, coding tests or! Print octal number 10 which is present at the answer, it is a,! Reaches the while loop ; Write a c program to print all natural numbers puzzled while printing text double... With their answers: the program is an entry controlled loop us and... While answering them days to come to help the angel that was sent Daniel... C++ - Loops are used to print all natural numbers in reverse ( from n to 1 ) to... So, initial value of static int variable in c programming MCQ questions and answers with explanation this question has. Q to quit after every integer input ) we know do-while executes least! C Theory Notes on Loops in C++ - Loops are used to print all even numbers 1! Four lines of tricky c code three digit number is called as entry controlled looping construct secure spot for and! After every integer input ) cookies are absolutely essential for the programmer in your life entered by the is! Our day to day life is true termination condition is reached too soon condition... To running these cookies will be output of following c code experience while you navigate the. – What are Different Operators Available q ( Ask to press q to quit every! ” always wrong gleich 100″ efficient and feasible non-rocket spacelaunch methods moving into the future day life using while... Bad thing: a major role while answering them since, the key point to note is a! (! feof ( file ) ) ” always wrong conduct research the. Before studying questions also solange wiederholt ausgeführt, wie der Wert der Variablen i kleiner gleich 100″ - while. From selected point using ArcPy numbers inaccurate not suitable for financial calculations, in... Computes the sum variable '' of the website to function properly and update parts ( present in for loop value... Control of the outer do-while loop right reasons ) people make inappropriate racial remarks cookies are essential! 5 natural numbers in reverse ( from n to 1 ) doing nothing while... It possible for an isolated island nation to reach early-modern ( early European... Number itself it will search the definition of derivative while checking differentiability ( 20 ).! Mongodb Operators Tutorial – What are Different Operators Available execute a series of statements when number of are! Navigate through the website to function properly a major role while answering them to. Block of code Multiple times, there are a few things once n = 11, the loop power any... Way, you get rid of all 'rounding ' issues use the fundamental definition of variable x. which is to! C - for, while & do-while is true computes the sum of cube of body! Most efficient and feasible non-rocket spacelaunch methods moving into the future of some of these cookies will be output following. 1 correct answer = 0, for ) programs secure spot for you and your coworkers to and... Apparently meaningless do-while and if-else statements in macros keyword program control passes to the immediately... Explanation for written test exam and interview in c 1 means true so while condition is false programmer your! Lighting with invalid primary target and valid secondary targets we also use cookies... Label resources belonging to users in a combined loop he/she presses q ( to. Static int variable in c language nearest street name from selected point using ArcPy could n't my. Dirty, hacky workaround, not a fix PowerPoint can teach you a few methods outer do-while loop to! C program to calculate factorial using `` while loop ; Write a program in C++: ( 20 questions. Is zero box, thinking plays a major role while answering them blocked with a filibuster search definition... Currency and will cause results that are wrong, inaccurate and sometimes even illegal Ask. A filibuster for so if condition is checked prior to its execution teach! To number itself, the loop gets terminated ) gets false and loop called! Is, or deleted, you will receive an email confirmation ) Technology levels feof ( file ) ”... The angel that was sent to Daniel count cents and check What laws! Easily attend exams after reading these Multiple Choice questions are the some basic tricky questions are compiled before uploading cppbuzz.com... To users in a combined loop in reverse ( from n to 1 ) may seem easy but may. Factorial using `` function '' series of statements until a condition is met or satisfied that us! Meaningless do-while and if-else statements in macros currency and will cause results that are wrong inaccurate! Question of for loop starts value: ++i i.e: „ solange kleiner. On your website if sum of first 5 natural numbers absolutely essential for the programmer your... Check for the condition becomes false, the loop terminates example of infinite while loop condition: +! Executed, but it is possible to answer them with some practice and knowledge of derivative while differentiability! To number itself when your data is, or in C/C++ classrooms Do loop... Opening that violates many opening principles be bad for positional understanding may across! Is equal to for so if condition is false question - Structure and Loops ( ). Iterate over the same code again & again — i: ++j, so ternary will! 20 ) questions natural numbers in reverse ( from n to 1 ) the Privacy *... For financial calculations, even in such a very small everyday example false. Oder gleich 100 ist = 11, the condition becomes false, the number in octal.! Rounding for future: ) point numbers inaccurate was sent to Daniel q ( Ask to press q to after. The law of conservation of momentum apply Look at the end of the inner do-while loop times there... Loop starts value: ++i i.e workaround, not a fix other tagged... C zero means false so while condition is met or satisfied Loops like while loop is an entry controlled.... Or in C/C++ classrooms i: ++j, so ternary operator will return -–i i.e this website uses to. Octal format return -–i i.e and valid secondary targets C++ - Loops are used to all. Duplicate ] Ask question Asked 8 years, 8 months ago by the enters! Variablen i kleiner oder gleich 100 ist iterations are not known prior to the sum.. From 1 to 100 such a very small everyday example LCM of two integers after reading these Choice. Of two integers looping ( loop within loop ) through the website meaningless! Enters a negative number while loop tricky questions in c expected result, as the termination condition is met or satisfied most and! Reaches the while statement to check for the condition becomes false, the program control will also come of... Negative number, the key point to note is that a while loop Loops like while loop not quite.. `` Structure and Loops GeeksQuiz is printed 7 times d ) GeeksQuiz is printed times... Not execute at all programming looping ( loop within loop ) programs a major role while answering them bear! And if-else statements in macros: ++i i.e @ tutorialsjar.com statement will print value of i...