Category: C++
C++ iostream clog – Log Error Message
C++ iostream clog – Log Error Message Introduction The clog object (also written as std::clog) in C++ is a part of the iostream library. It serves as a buffered output stream for logging errors or informational messages. std::clog is similar to cout, but is intended for diagnostics and debugging, allowing developers to separate runtime information from…
Read MoreC++ cmath log10() – Calculate Base-10 Logarithm
C++ cmath log10() – Calculate Base-10 Logarithm Introduction The log10() function (aka log base 10) in C++ is a part of the cmath library and is used to compute the base-10 logarithm of the given number. This function is crucial for calculations involving exponential scaling, scientific data processing, and engineering applications where logarithmic values…
Read MoreC++ cstdio fopen() – Open File Stream
C++ cstdio fopen() – Open File Stream Introduction The fopen() function in C++ is used to open a file and link it to a stream, allowing for either reading, writing, or both. This function is part of the C standard input and output library <cstdio>, and it’s essential for handling files in a…
Read MoreC++ cstdio gets() – Read String From Stdin
C++ cstdio gets() – Read String From Stdin Introduction The gets() function in C++ is a standard library function housed within the <cstdio> header, primarily used for reading strings from standard input (stdin). It captures an entire line from stdin, up to but not including the newline character, and stores it into a buffer…
Read MoreC++ cstdlib strtoull() – Convert String to Unsigned Long Long
C++ cstdlib strtoull() – Convert String to Unsigned Long Long Introduction Converting a string to long long int in C++ is a common requirement when dealing with numeric data in string form. The strtoull() function from the C++ cstdlib library is a powerful tool used to convert a string to an unsigned long long…
Read MoreC++ Program to Find the Number of Vowels, Consonants, Digits and White Spaces in a String
C++ Program to Find the Number of Vowels, Consonants, Digits and White Spaces in a String Introduction Counting vowels, consonants, digits, and white spaces in a string using C++ is a common programming problem that helps developers practice essential skills. This type of string character analysis is not only valuable…
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