Explain what are preprocessor directives?

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Just came across this question, felt worth sharing, so here it is I want you to make a C/C++ program that for any positive integer n will print all the positive integers from 1 up to it and then back again! Let's say n=5 I want the program to print: 1 2 3 4 5 4 3 2 1. Too easy you say? Okay then... You can ONLY USE: 1 for loop 1 printf/cout statement 2 integers( i and n) and as many operations you want. NO if statements, NO ternary operators, NO tables, NO pointers, NO functions!

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What are the different flags in C? And how they are useful? And give example for each in different consequences?

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Why pointers are used?

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What is #include stdio h?

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typedef enum { html, java, javascript, perl, cgi } lang;The above statement defines a : a) Union b) User defined type c) Enumerated variable d) none

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Write a program to print all the prime numbers with in the given range

8 Answers   ABC, College School Exams Tests, TCS,

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question-how to run a c programme.

6 Answers  

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The file stdio.h, what does it contain?

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Why shouldn’t I start variable names with underscores?

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An application package has been provided to you without any documents for the following application. The application needs to be tested. How will you proceed?

0 Answers   Aspire, Infogain,

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void main(){ int a; a=1; while(a-->=1) while(a-->=0); printf("%d",a); }

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