use std::io::Read; fn get_word() -> String { let stdin = std::io::stdin(); let mut stdin=stdin.lock(); let mut u8b: [u8; 1] = [0]; loop { let mut buf: Vec = Vec::with_capacity(16); loop { let res = stdin.read(&mut u8b); if res.unwrap_or(0) == 0 || u8b[0] <= b' ' { break; } else { buf.push(u8b[0]); } } if buf.len() >= 1 { let ret = String::from_utf8(buf).unwrap(); return ret; } } } fn get() -> T { get_word().parse().ok().unwrap() } fn main() { let n: usize = get(); if n == 1 { println!("1 1\n."); return; } let mut blocks = vec![]; let mut st = vec![n]; let mut h = 0; let mut w = 0; while let Some(v) = st.pop() { if v <= 1 { continue; } let a = v / 2; let b = v - a; blocks.push((a, b)); h += a; w += b; st.push(a); st.push(b); } println!("{} {}", h + 1, w + 1); let mut s = vec![vec!['#'; w + 1]; h + 1]; let mut x = 0; let mut y = 0; for (a, b) in blocks { for i in x..x + a + 1 { for j in y..y + b + 1 { s[i][j] = '.'; } } x += a; y += b; } for i in 0..h + 1 { println!("{}", s[i].iter().cloned().collect::()); } }