結果
問題 | No.2196 Pair Bonus |
ユーザー | Moss_Local |
提出日時 | 2023-01-20 21:41:50 |
言語 | Rust (1.77.0 + proconio) |
結果 |
AC
|
実行時間 | 54 ms / 2,000 ms |
コード長 | 8,414 bytes |
コンパイル時間 | 11,817 ms |
コンパイル使用メモリ | 402,660 KB |
実行使用メモリ | 18,016 KB |
最終ジャッジ日時 | 2024-06-23 09:36:37 |
合計ジャッジ時間 | 13,258 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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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
5,248 KB |
testcase_01 | AC | 1 ms
5,248 KB |
testcase_02 | AC | 1 ms
5,376 KB |
testcase_03 | AC | 54 ms
17,992 KB |
testcase_04 | AC | 54 ms
18,016 KB |
testcase_05 | AC | 1 ms
5,376 KB |
testcase_06 | AC | 1 ms
5,376 KB |
testcase_07 | AC | 1 ms
5,376 KB |
testcase_08 | AC | 9 ms
5,376 KB |
testcase_09 | AC | 51 ms
16,708 KB |
testcase_10 | AC | 30 ms
11,448 KB |
testcase_11 | AC | 12 ms
5,376 KB |
testcase_12 | AC | 41 ms
15,084 KB |
testcase_13 | AC | 1 ms
5,376 KB |
testcase_14 | AC | 6 ms
5,376 KB |
testcase_15 | AC | 1 ms
5,376 KB |
testcase_16 | AC | 44 ms
16,916 KB |
testcase_17 | AC | 1 ms
5,376 KB |
コンパイルメッセージ
warning: unnecessary parentheses around type --> src/main.rs:64:15 | 64 | fn readi() -> (i64) { | ^ ^ | = note: `#[warn(unused_parens)]` on by default help: remove these parentheses | 64 - fn readi() -> (i64) { 64 + fn readi() -> i64 { | warning: variable does not need to be mutable --> src/main.rs:244:9 | 244 | let mut a: Vec<i64> = read_vec(); | ----^ | | | help: remove this `mut` | = note: `#[warn(unused_mut)]` on by default warning: variable does not need to be mutable --> src/main.rs:245:9 | 245 | let mut b: Vec<i64> = read_vec(); | ----^ | | | help: remove this `mut` warning: variable does not need to be mutable --> src/main.rs:246:9 | 246 | let mut x: Vec<i64> = read_vec(); | ----^ | | | help: remove this `mut` warning: variable does not need to be mutable --> src/main.rs:247:9 | 247 | let mut y: Vec<i64> = read_vec(); | ----^ | | | help: remove this `mut`
ソースコード
// -*- coding:utf-8-unix -*- // #![feature(map_first_last)] #![allow(dead_code)] #![allow(unused_imports)] #![allow(unused_macros)] use core::num; use std::cmp::*; use std::fmt::*; use std::hash::*; use std::*; use std::{cmp, collections, fmt, io, iter, ops, str}; const INF: i64 = 1223372036854775807; const UINF: usize = INF as usize; const LINF: i64 = 2147483647; const INF128: i128 = 1223372036854775807000000000000; const MOD: i64 = 1000000007; // const MOD: i64 = 998244353; const UMOD: usize = MOD as usize; const M_PI: f64 = 3.14159265358979323846; // const MOD: i64 = INF; use cmp::Ordering::*; use std::collections::*; use std::io::stdin; use std::io::stdout; use std::io::Write; macro_rules! p { ($x:expr) => { println!("{}", $x); }; } macro_rules! d { ($x:expr) => { println!("{:?}", $x); }; } #[allow(unused_macros)] pub mod macros { macro_rules! min { ($x: expr) => { $x }; ($x: expr, $($xs: expr),+) => {{ let y = macros::min!($($xs),+); std::cmp::min($x, y) } }} macro_rules! max { ($x: expr) => { $x }; ($x: expr, $($xs: expr),+) => {{ let y = macros::max!($($xs),+); std::cmp::max($x, y) } }} macro_rules! chmin { ($x: expr, $($xs: expr),+) => {{ let y = macros::min!($($xs),+); if $x > y { $x = y; true } else { false } }}} macro_rules! chmax { ($x: expr, $($xs: expr),+) => {{ let y = macros::max!($($xs),+); if $x < y { $x = y; true } else { false } }}} macro_rules! multi_vec { ($element: expr; ($len: expr, $($lens: expr),*)) => ( vec![macros::multi_vec![$element; ($($lens),*)]; $len] ); ($element: expr; ($len: expr)) => ( vec![$element; $len] ); } macro_rules! multi_box_array { ($element: expr; ($len: expr, $($lens: expr),*)) => ( vec![macros::multi_box_array![$element; ($($lens),*)]; $len].into_boxed_slice() ); ($element: expr; ($len: expr)) => ( vec![$element; $len].into_boxed_slice() ); } #[allow(unused_imports)] pub(super) use {chmax, chmin, max, min, multi_box_array, multi_vec}; } use macros::*; fn main() { solve(); } // use str::Chars; #[allow(dead_code)] fn read<T: std::str::FromStr>() -> T { let mut s = String::new(); std::io::stdin().read_line(&mut s).ok(); s.trim().parse().ok().unwrap() } #[allow(dead_code)] fn readi() -> (i64) { let mut str = String::new(); let _ = stdin().read_line(&mut str).unwrap(); let mut iter = str.split_whitespace(); iter.next().unwrap().parse::<i64>().unwrap() } #[allow(dead_code)] fn read_vec<T: std::str::FromStr>() -> Vec<T> { read::<String>() .split_whitespace() .map(|e| e.parse().ok().unwrap()) .collect() } #[allow(dead_code)] fn read_mat<T: std::str::FromStr>(n: u32) -> Vec<Vec<T>> { (0..n).map(|_| read_vec()).collect() } #[allow(dead_code)] fn readii() -> (i64, i64) { let mut str = String::new(); let _ = stdin().read_line(&mut str).unwrap(); let mut iter = str.split_whitespace(); ( iter.next().unwrap().parse::<i64>().unwrap(), iter.next().unwrap().parse::<i64>().unwrap(), ) } #[allow(dead_code)] fn readiii() -> (i64, i64, i64) { let mut str = String::new(); let _ = stdin().read_line(&mut str).unwrap(); let mut iter = str.split_whitespace(); ( iter.next().unwrap().parse::<i64>().unwrap(), iter.next().unwrap().parse::<i64>().unwrap(), iter.next().unwrap().parse::<i64>().unwrap(), ) } #[allow(dead_code)] fn readuu() -> (usize, usize) { let mut str = String::new(); let _ = stdin().read_line(&mut str).unwrap(); let mut iter = str.split_whitespace(); ( iter.next().unwrap().parse::<usize>().unwrap(), iter.next().unwrap().parse::<usize>().unwrap(), ) } #[allow(dead_code)] fn readff() -> (f64, f64) { let mut str = String::new(); let _ = stdin().read_line(&mut str).unwrap(); let mut iter = str.split_whitespace(); ( iter.next().unwrap().parse::<f64>().unwrap(), iter.next().unwrap().parse::<f64>().unwrap(), ) } fn readcc() -> (char, char) { let mut str = String::new(); let _ = stdin().read_line(&mut str).unwrap(); let mut iter = str.split_whitespace(); ( iter.next().unwrap().parse::<char>().unwrap(), iter.next().unwrap().parse::<char>().unwrap(), ) } fn readuuu() -> (usize, usize, usize) { let mut str = String::new(); let _ = stdin().read_line(&mut str).unwrap(); let mut iter = str.split_whitespace(); ( iter.next().unwrap().parse::<usize>().unwrap(), iter.next().unwrap().parse::<usize>().unwrap(), iter.next().unwrap().parse::<usize>().unwrap(), ) } #[allow(dead_code)] fn readiiii() -> (i64, i64, i64, i64) { let mut str = String::new(); let _ = stdin().read_line(&mut str).unwrap(); let mut iter = str.split_whitespace(); ( iter.next().unwrap().parse::<i64>().unwrap(), iter.next().unwrap().parse::<i64>().unwrap(), iter.next().unwrap().parse::<i64>().unwrap(), iter.next().unwrap().parse::<i64>().unwrap(), ) } #[allow(dead_code)] fn readuuuu() -> (usize, usize, usize, usize) { let mut str = String::new(); let _ = stdin().read_line(&mut str).unwrap(); let mut iter = str.split_whitespace(); ( iter.next().unwrap().parse::<usize>().unwrap(), iter.next().unwrap().parse::<usize>().unwrap(), iter.next().unwrap().parse::<usize>().unwrap(), iter.next().unwrap().parse::<usize>().unwrap(), ) } pub struct Dsu { n: usize, // root node: -1 * component size // otherwise: parent parent_or_size: Vec<i32>, } impl Dsu { // 0 <= size <= 10^8 is constrained. pub fn new(size: usize) -> Self { Self { n: size, parent_or_size: vec![-1; size], } } pub fn merge(&mut self, a: usize, b: usize) -> usize { assert!(a < self.n); assert!(b < self.n); let (mut x, mut y) = (self.leader(a), self.leader(b)); if x == y { return x; } if -self.parent_or_size[x] < -self.parent_or_size[y] { std::mem::swap(&mut x, &mut y); } self.parent_or_size[x] += self.parent_or_size[y]; self.parent_or_size[y] = x as i32; x } pub fn same(&mut self, a: usize, b: usize) -> bool { assert!(a < self.n); assert!(b < self.n); self.leader(a) == self.leader(b) } pub fn leader(&mut self, a: usize) -> usize { assert!(a < self.n); if self.parent_or_size[a] < 0 { return a; } self.parent_or_size[a] = self.leader(self.parent_or_size[a] as usize) as i32; self.parent_or_size[a] as usize } pub fn size(&mut self, a: usize) -> usize { assert!(a < self.n); let x = self.leader(a); -self.parent_or_size[x] as usize } pub fn groups(&mut self) -> Vec<Vec<usize>> { let mut leader_buf = vec![0; self.n]; let mut group_size = vec![0; self.n]; for i in 0..self.n { leader_buf[i] = self.leader(i); group_size[leader_buf[i]] += 1; } let mut result = vec![Vec::new(); self.n]; for i in 0..self.n { result[i].reserve(group_size[i]); } for i in 0..self.n { result[leader_buf[i]].push(i); } result .into_iter() .filter(|x| !x.is_empty()) .collect::<Vec<Vec<usize>>>() } } fn solve() { let n: usize = read(); let mut a: Vec<i64> = read_vec(); let mut b: Vec<i64> = read_vec(); let mut x: Vec<i64> = read_vec(); let mut y: Vec<i64> = read_vec(); let mut dp = vec![vec![0; (2) as usize]; (n * 2 + 1) as usize]; for i in 0..n * 2 { dp[i + 1][0] = max(dp[i + 1][0], dp[i][0] + a[i]); dp[i + 1][0] = max(dp[i + 1][0], dp[i][1] + a[i]); dp[i + 1][1] = max(dp[i + 1][1], dp[i][0] + b[i]); dp[i + 1][1] = max(dp[i + 1][1], dp[i][1] + b[i]); if i % 2 == 1 { dp[i + 1][0] = max(dp[i + 1][0], dp[i][0] + a[i] + x[i / 2]); dp[i + 1][1] = max(dp[i + 1][1], dp[i][1] + b[i] + x[i / 2]); dp[i + 1][0] = max(dp[i + 1][0], dp[i][1] + a[i] + y[i / 2]); dp[i + 1][1] = max(dp[i + 1][1], dp[i][0] + b[i] + y[i / 2]); } } // d!(dp); println!("{}", max(dp[n * 2][0], dp[n * 2][1])); return; }