Arnab Chakraborty has Published 3296 Answers

A C Programming Language Puzzle?

Arnab Chakraborty
Arnab Chakraborty
Published on 24-Jul-2019 15:38:50
Here we will see one C programming language puzzle question. Suppose we have two numbers 48 and 96. We have to add the first number after the second one. So final result will be like 9648. But we cannot use any logical, arithmetic, string related operations, also cannot use any ... Read More

A Boolean Matrix Question in C++?

Arnab Chakraborty
Arnab Chakraborty
Published on 24-Jul-2019 15:30:34
Here we will see one interesting Boolean matrix problem. One Boolean matrix is given which contains 0’s and 1’s. Our goal is to find where 1 is marked. If the 1 is marked at position mat[i, j], then we will make all entries to 1 of the row i and ... Read More

2’s compliment for a given string using XOR ?

Arnab Chakraborty
Arnab Chakraborty
Published on 24-Jul-2019 15:26:06
In this section we will see how we can find the 2’s complement using the XOR operation on a binary string. The 2’s complement is actually the 1’s complement + 1. We will use XOR operation to get the 1’s complement.We will traverse the string from LSb, and look for ... Read More

1 to n bit numbers with no consecutive 1s in binary representation?

Arnab Chakraborty
Arnab Chakraborty
Published on 24-Jul-2019 15:22:50
In this problem, we have to find some binary numbers which have no consecutive 1s. In a 3-bit binary string, there are three binary numbers 011, 110, 111, who have consecutive 1s, and five numbers are there which have no consecutive 1s. So after applying this algorithm for 3-bit numbers, ... Read More

# and ## Operators in C ?

Arnab Chakraborty
Arnab Chakraborty
Published on 24-Jul-2019 15:19:24
In this section we will see what are the Stringize operator(#) and Token Pasting operator(##) in C. The Stringize operator is a preprocessor operator. It sends commands to compiler to convert a token into string. We use this operator at the macro definition.Using stringize operator we can convert some text ... Read More

attribute((constructor)) and attribute((destructor)) syntaxes in C in tutorials point ?

Arnab Chakraborty
Arnab Chakraborty
Published on 24-Jul-2019 15:17:01
Here we will see how to write a code where two functions are present, and one function will be executed before the main function, and another function will be executed after main function. These features are used to do some startup task before executing main, and some clean up task ... Read More
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