What it means is that since i as the variable is monotonically increasing, an array indexing operation that is in the loop body can be replaced with an incremen

What it means is that since i as the variable is monotonically increasing, an array indexing operation that is in the loop body can be replaced with an incrementing pointer instead, which eliminates quite a lot of code. An example here: https://pvs-studio.com/en/blog/posts/cpp/0374/ https://pvs-studio.com/en/blog/posts/cpp/0374/