In C language Strings are defined as an array of characters or a pointer to a portion of memory containing ASCII characters. A string in ...
Showing posts with label c for geeks. Show all posts
Showing posts with label c for geeks. Show all posts
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C has a concept of 'data types' which are used to define a variable before its use. The definition of a variable will assign stor...
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We often get an error lvalue required? What is that? e.g when we write a code like this: int x=10; y=++x++; We get this type of erro...
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A pointer definition does not allocate space for what's pointed at, only for the pointer, except when assigned a literal string. For ...
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We often get confused between declaration and definition. Don't worry. After this article, It will not happen again. Trust me. Defin...
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What will be output if you will compile and execute the following c code? struct marks { int p :3; int c :3; int ...
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Whenever you define a C function, its name is globally visible by default. You can prefix the function name with the redundant extern k...
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The problems in C are not confined to just the language. Some routines in the standard library have unsafe semantics. This was dramatical...
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1.1 Implement an algorithm to determine if a string has all unique characters. What if you can not use additional data structures? _ ___...
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#include<stdio.h> void main() { int a; a=300*300/300; printf("a=%d",a); } output is: 81 in turbo c++ compile...
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#include <stdio.h> void main() { printf("%d", NULL); } output : 0 because keyword NULL is defined in a macro ...
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Not ever problem can be solved by hashing. But most of the interview questions are asked from hashing only. SO always be updated on this to...