getchar_unlocked() is usually used to get faster input.
But I have not understood the difference between the getchar_unlocked() and getchar().
Also, why is getchar_unlocked() faster and what does the term "thread safe" mean?
getchar_unlocked() is usually used to get faster input.
But I have not understood the difference between the getchar_unlocked() and getchar().
Also, why is getchar_unlocked() faster and what does the term "thread safe" mean?