A. HQ9+ time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output HQ9+ is a joke programming language which has only four one-character instructions: "H" prints "Hello, World!", "…
Problem description HQ9+ is a joke programming language which has only four one-character instructions: "H" prints "Hello, World!", "Q" prints the source code of the program itself, "9" prints the lyrics of "99…