C program is one of most popular programming language which is used for core level of coding across the board. C program is used for operating systems, embedded systems, system engineering, word processors,hard ware drivers, etc.
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In the coming days, we will post C aptitude questions, answers and explanation for interview preparations.
The C aptitude questions and answers for those questions along with explanation for the interview related queries.
We hope that this questions and answers series on C program will help students and freshers who are looking for a job, and also programmers who are looking to update their aptitude on C program.
Some of the illustrated examples will be from the various companies, and IT industry experts.
Read more about C Programming Language . and read the C Programming Language (2nd Edition). by K and R.
C aptitude 12.1
Answer: Compiler Error
Explanation: The expression i+++++i is parsed as i ++ ++ + i which is an illegal combination of operators.
C aptitude 12.2
case 1: printf("GOOD");
case j: printf("BAD");
Answer: Compiler Error: Constant expression required in function main.
Explanation:The case statement can have only constant expressions (this implies that we cannot use variable names directly so an error). Note: Enumerated types can be used in case statements
C aptitude 12.3
printf("%d",scanf("%d",&i)); // value 10 is given as input here
Explanation: Scanf returns number of items successfully read and not 1/0. Here 10 is given as input which should have been scanned successfully. So number of items read is 1.
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