結果
問題 | No.1251 絶対に間違ってはいけない最小化問題 |
ユーザー | cympfh |
提出日時 | 2020-10-09 21:35:43 |
言語 | Rust (1.77.0) |
結果 |
AC
|
実行時間 | 148 ms / 2,000 ms |
コード長 | 2,876 bytes |
コンパイル時間 | 5,573 ms |
コンパイル使用メモリ | 151,708 KB |
実行使用メモリ | 19,136 KB |
最終ジャッジ日時 | 2023-09-27 15:35:23 |
合計ジャッジ時間 | 15,847 ms |
ジャッジサーバーID (参考情報) |
judge15 / judge12 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 1 ms
4,376 KB |
testcase_01 | AC | 1 ms
4,376 KB |
testcase_02 | AC | 1 ms
4,384 KB |
testcase_03 | AC | 0 ms
4,380 KB |
testcase_04 | AC | 0 ms
4,380 KB |
testcase_05 | AC | 1 ms
4,376 KB |
testcase_06 | AC | 1 ms
4,380 KB |
testcase_07 | AC | 1 ms
4,376 KB |
testcase_08 | AC | 1 ms
4,376 KB |
testcase_09 | AC | 1 ms
4,380 KB |
testcase_10 | AC | 1 ms
4,376 KB |
testcase_11 | AC | 1 ms
4,376 KB |
testcase_12 | AC | 1 ms
4,380 KB |
testcase_13 | AC | 1 ms
4,376 KB |
testcase_14 | AC | 1 ms
4,376 KB |
testcase_15 | AC | 1 ms
4,380 KB |
testcase_16 | AC | 1 ms
4,376 KB |
testcase_17 | AC | 1 ms
4,376 KB |
testcase_18 | AC | 128 ms
18,800 KB |
testcase_19 | AC | 123 ms
18,112 KB |
testcase_20 | AC | 72 ms
10,964 KB |
testcase_21 | AC | 11 ms
4,376 KB |
testcase_22 | AC | 78 ms
11,744 KB |
testcase_23 | AC | 9 ms
4,380 KB |
testcase_24 | AC | 104 ms
17,060 KB |
testcase_25 | AC | 77 ms
10,884 KB |
testcase_26 | AC | 28 ms
5,520 KB |
testcase_27 | AC | 8 ms
4,380 KB |
testcase_28 | AC | 135 ms
18,960 KB |
testcase_29 | AC | 132 ms
19,032 KB |
testcase_30 | AC | 136 ms
19,060 KB |
testcase_31 | AC | 138 ms
19,064 KB |
testcase_32 | AC | 138 ms
19,024 KB |
testcase_33 | AC | 136 ms
19,044 KB |
testcase_34 | AC | 136 ms
19,048 KB |
testcase_35 | AC | 135 ms
19,060 KB |
testcase_36 | AC | 137 ms
18,960 KB |
testcase_37 | AC | 136 ms
19,136 KB |
testcase_38 | AC | 138 ms
19,040 KB |
testcase_39 | AC | 134 ms
19,092 KB |
testcase_40 | AC | 140 ms
19,032 KB |
testcase_41 | AC | 148 ms
18,988 KB |
testcase_42 | AC | 137 ms
18,996 KB |
testcase_43 | AC | 1 ms
4,376 KB |
testcase_44 | AC | 1 ms
4,376 KB |
ソースコード
#![allow(unused_imports, unused_macros, dead_code)] macro_rules! min { (.. $x:expr) => {{ let mut it = $x.iter(); it.next().map(|z| it.fold(z, |x, y| min!(x, y))) }}; ($x:expr) => ($x); ($x:expr, $($ys:expr),*) => {{ let t = min!($($ys),*); if $x < t { $x } else { t } }} } macro_rules! max { (.. $x:expr) => {{ let mut it = $x.iter(); it.next().map(|z| it.fold(z, |x, y| max!(x, y))) }}; ($x:expr) => ($x); ($x:expr, $($ys:expr),*) => {{ let t = max!($($ys),*); if $x > t { $x } else { t } }} } macro_rules! trace { ($x:expr) => { #[cfg(debug_assertions)] eprintln!(">>> {} = {:?}", stringify!($x), $x) }; ($($xs:expr),*) => { trace!(($($xs),*)) } } macro_rules! flush { () => { std::io::stdout().flush().unwrap(); }; } macro_rules! put { (.. $x:expr) => {{ let mut it = $x.iter(); if let Some(x) = it.next() { print!("{}", x); } for x in it { print!(" {}", x); } println!(""); }}; ($x:expr) => { println!("{}", $x) }; ($x:expr, $($xs:expr),*) => { print!("{} ", $x); put!($($xs),*) } } const M: i64 = 1_000_000_007; fn f(x: i64, xs: &Vec<i64>, ys: &Vec<i64>) -> i64 { let n = xs.len(); (0..n).map(|i| (x - xs[i]).abs() * ys[i]).sum() } fn main() { let mut sc = Scanner::new(); let n: usize = sc.cin(); let xs: Vec<i64> = sc.vec(n); let ys: Vec<i64> = sc.vec(n); let mut argx = 0; let mut ans = f(0, &xs, &ys); let mut left = -1_000_000; let mut right = 1_000_000; for _ in 0..200 { let m1 = (left + left + right) / 3; let m2 = (left + right + right) / 3; let z1 = f(m1, &xs, &ys); let z2 = f(m2, &xs, &ys); if z1 < z2 { right = m2; argx = m1; ans = z1; } else { left = m1; argx = m2; ans = z2; } } put!(argx, ans); } use std::collections::VecDeque; use std::io::{self, Write}; use std::str::FromStr; struct Scanner { stdin: io::Stdin, buffer: VecDeque<String>, } impl Scanner { fn new() -> Self { Scanner { stdin: io::stdin(), buffer: VecDeque::new(), } } fn cin<T: FromStr>(&mut self) -> T { while self.buffer.is_empty() { let mut line = String::new(); let _ = self.stdin.read_line(&mut line); for w in line.split_whitespace() { self.buffer.push_back(String::from(w)); } } self.buffer.pop_front().unwrap().parse::<T>().ok().unwrap() } fn chars(&mut self) -> Vec<char> { self.cin::<String>().chars().collect() } fn vec<T: FromStr>(&mut self, n: usize) -> Vec<T> { (0..n).map(|_| self.cin()).collect() } }