How-to articles, tricks, and solutions about C++

C++ is generally considered to be a faster and more performant language than Java or C#.

Why is processing a sorted array faster than processing an unsorted array in Java?

Processing a sorted array can be faster than processing an unsorted array because certain algorithms and operations have a lower average time complexity when the input is already sorted.

java performance c++ cpu-architecture branch-prediction

Why is reading lines from stdin much slower in C++ than Python?

Reading from stdin can be slower in C++ than in Python for a few reasons:

python c++ benchmarking iostream getline