#![allow(unused_imports)] use std::cmp::*; use std::collections::*; use std::io::Write; use std::ops::Bound::*; #[allow(unused_macros)] macro_rules! debug { ($($e:expr),*) => { #[cfg(debug_assertions)] $({ let (e, mut err) = (stringify!($e), std::io::stderr()); writeln!(err, "{} = {:?}", e, $e).unwrap() })* }; } fn main() { let n = read::(); let a = read_vec::(); let b = read_vec::(); let mut pairs = vec![]; for i in 0..n { pairs.push((a[i], b[i])); } pairs.sort(); let criterion = |mid: i64| { pairs .iter() .map(|&(anum, bnum)| (anum - mid).abs() * bnum) .sum::() }; let md = ternary_search(-1000001, 1000001, criterion); if criterion(md) < criterion(md + 1) { println!("{} {}", md, criterion(md)); } else { println!("{} {}", md + 1, criterion(md + 1)); } } fn read() -> T { let mut s = String::new(); std::io::stdin().read_line(&mut s).ok(); s.trim().parse().ok().unwrap() } fn read_vec() -> Vec { read::() .split_whitespace() .map(|e| e.parse().ok().unwrap()) .collect() } fn ternary_search(lb: i64, ub: i64, criterion: F) -> i64 where F: Fn(i64) -> i64, { let mut lb = lb; let mut ub = ub; let mid = (lb + ub) / 2; let mut convex_upward = false; if criterion(mid) > (criterion(lb) + criterion(ub - 1)) / 2 { convex_upward = true; } while ub - lb > 2 { let mid1 = (ub + lb * 2) / 3; let mid2 = (ub * 2 + lb) / 3; if convex_upward { if criterion(mid1) < criterion(mid2) { lb = mid1; } else { ub = mid2; } } else { if criterion(mid1) > criterion(mid2) { lb = mid1; } else { ub = mid2; } } } (lb + ub) / 2 }