#[allow(unused_imports)] use std::cmp::*; use std::io::*; #[allow(dead_code)] fn getline() -> String { let mut ret = String::new(); std::io::stdin().read_line(&mut ret).ok(); return ret; } #[allow(dead_code)] fn getword() -> String { let mut stdin = std::io::stdin(); let mut u8b: [u8; 1] = [0]; loop { let mut buf: Vec = Vec::with_capacity(16); loop { let res = stdin.read(&mut u8b); if res.is_err() ||u8b[0] <= ' ' as u8 { break; } else { buf.push(u8b[0]); } } if buf.len() >= 1 { let ret = std::string::String::from_utf8(buf).unwrap(); return ret; } } } #[allow(dead_code)] fn parse(s : &str) -> T { return s.parse::().ok().unwrap(); } #[allow(dead_code)] fn get() -> T { parse(&getword()) } fn main() { let x:i32 = get(); for i in 1 .. x+1 { let i_s = i.to_string(); let s:&str = match (i % 3==0, i % 5==0) { (true, true) => "FizzBuzz", (true, _) => "Fizz", (_, true) => "Buzz", _ => &*i_s, }; println!("{}", s); } }