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HackerRank's programming challenges can be solved in a variety of programming languages (including Java, C++, PHP, Python, SQL, and JavaScript) and span multiple computer science domains. [ 2 ] HackerRank categorizes most of their programming challenges into a number of core computer science domains, [ 3 ] including database management ...
Codewars is an educational community for computer programming.On the platform, software developers train on programming challenges known as kata.These discrete programming exercises train a range of skills in a variety of programming languages, and are completed within an online integrated development environment.
Another type of problem has the inputs publicly available, for these, the contestants have to submit an output file instead of a program, and it is up to them whether they obtain the output files by writing a program (possibly exploiting special characteristics of the input), or by hand, or by a combination of these means.
#include <type_traits> #include <cstddef> /* Rank of a type * -----* * Let the rank of a type T be the number of its dimensions if * it is an array; zero otherwise (which is the usual convention) */ template < typename T > struct rank {static const std:: size_t value = 0;}; template < typename T, std:: size_t N > struct rank < T [N] > {static const std:: size_t value = 1 + rank < T >:: value ...
Meta Hacker Cup (formerly known as Facebook Hacker Cup) is an annual international programming competition hosted and administered by Meta Platforms.The competition began in 2011 as a means to identify top engineering talent for potential employment at Meta Platforms. [2]
The subject matter of the second edition of the book [1] includes algorithms for Basic algorithms for manipulating individual bits, formulas for identities, inequalities, overflow detection for arithmetic operations and shifts
On POSIX systems, the file descriptor for standard input is 0 (zero); the POSIX <unistd.h> definition is STDIN_FILENO; the corresponding C <stdio.h> abstraction is provided via the FILE* stdin global variable. Similarly, the global C++ std::cin variable of type <iostream> provides an abstraction via C++ streams.
[1] [2] All functions use floating-point numbers in one manner or another. Different C standards provide different, albeit backwards-compatible, sets of functions. Most of these functions are also available in the C++ standard library, though in different headers (the C headers are included as well, but only as a deprecated compatibility feature).