結果

問題 No.180 美しいWhitespace (2)
ユーザー nebocconebocco
提出日時 2021-03-11 19:25:28
言語 Rust
(1.77.0 + proconio)
結果
WA  
実行時間 -
コード長 5,973 bytes
コンパイル時間 12,339 ms
コンパイル使用メモリ 391,360 KB
実行使用メモリ 23,532 KB
最終ジャッジ日時 2024-10-13 07:10:15
合計ジャッジ時間 14,348 ms
ジャッジサーバーID
(参考情報)
judge4 / judge3
このコードへのチャレンジ
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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
6,816 KB
testcase_01 AC 0 ms
6,816 KB
testcase_02 AC 1 ms
6,816 KB
testcase_03 AC 1 ms
6,816 KB
testcase_04 AC 2 ms
6,816 KB
testcase_05 AC 3 ms
6,820 KB
testcase_06 AC 7 ms
6,820 KB
testcase_07 AC 10 ms
6,820 KB
testcase_08 AC 18 ms
7,168 KB
testcase_09 AC 20 ms
7,296 KB
testcase_10 AC 20 ms
7,168 KB
testcase_11 AC 62 ms
21,608 KB
testcase_12 AC 71 ms
23,432 KB
testcase_13 AC 59 ms
19,464 KB
testcase_14 AC 68 ms
22,252 KB
testcase_15 AC 69 ms
23,532 KB
testcase_16 WA -
testcase_17 AC 64 ms
21,432 KB
testcase_18 AC 58 ms
20,064 KB
testcase_19 AC 28 ms
10,132 KB
testcase_20 AC 1 ms
6,816 KB
testcase_21 AC 1 ms
6,820 KB
testcase_22 AC 1 ms
6,816 KB
testcase_23 AC 1 ms
6,820 KB
testcase_24 AC 0 ms
6,820 KB
testcase_25 AC 1 ms
6,816 KB
testcase_26 AC 1 ms
6,820 KB
testcase_27 AC 1 ms
6,816 KB
testcase_28 AC 1 ms
6,816 KB
testcase_29 AC 1 ms
6,816 KB
testcase_30 AC 16 ms
17,568 KB
testcase_31 AC 15 ms
17,604 KB
testcase_32 AC 1 ms
6,816 KB
testcase_33 AC 10 ms
9,656 KB
testcase_34 AC 9 ms
9,848 KB
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ソースコード

diff #

fn main() {
	let mut io = IO::new();
    input!{ from io,
		n: usize,
		mut l: [(i64, i64); n]
    }
	l.sort_by_key(|x| x.1);
	let mut hi = 0;
	let mut lo = 0;
	let mut st = Vec::new();
	for i in 0..n {
		if l[hi].0 + l[hi].1 < l[i].0 + l[i].1 {
			hi = i;
		}
		if l[lo].0 + l[lo].1 > l[i].0 + l[i].1 {
			lo = i;
		}
		for j in i+1..n {
			if l[i].1 != l[j].1 && l[i].0 - l[j].0 >= l[j].1 - l[i].1 {
				st.push((l[i].0 - l[j].0, l[j].1 - l[i].1, i, j));
			}
		}
	}
	st.sort_by(|x, y| (x.0 * y.1).cmp(&(y.0 * x.1)));
	let mut cmin = l[hi].0 + l[hi].1 - l[lo].0 - l[lo].1;
	let mut ans = 1;
	for &(q, p, i, j) in &st {
		let v = q / p;
		if cmin > l[hi].0 + l[hi].1 * v - l[lo].0 - l[lo].1 * v {
			cmin = l[hi].0 + l[hi].1 * v - l[lo].0 - l[lo].1 * v;
			ans = v;
		}
		if hi == i { hi = j; }
		if lo == j { lo = i; }
		let v = (q + p - 1) / p;
		if cmin > l[hi].0 + l[hi].1 * v - l[lo].0 - l[lo].1 * v {
			cmin = l[hi].0 + l[hi].1 * v - l[lo].0 - l[lo].1 * v;
			ans = v;
		}
	}
    io.println(ans);
}

// ------------ io module start ------------
use std::io::{stdout, BufWriter, Read, StdoutLock, Write};

pub struct IO {
	iter: std::str::SplitAsciiWhitespace<'static>,
	buf: BufWriter<StdoutLock<'static>>,
}

impl IO {
	pub fn new() -> Self {
		let mut input = String::new();
		std::io::stdin().read_to_string(&mut input).unwrap();
		let input = Box::leak(input.into_boxed_str());
		let out = Box::new(stdout());
		IO {
			iter: input.split_ascii_whitespace(),
			buf: BufWriter::new(Box::leak(out).lock()),
		}
	}
	fn scan_str(&mut self) -> &'static str {
		self.iter.next().unwrap()
	}
	pub fn scan<T: Scan>(&mut self) -> <T as Scan>::Output {
		<T as Scan>::scan(self)
	}
	pub fn scan_vec<T: Scan>(&mut self, n: usize) -> Vec<<T as Scan>::Output> {
		(0..n).map(|_| self.scan::<T>()).collect()
	}
	pub fn print<T: Print>(&mut self, x: T) {
		<T as Print>::print(self, x);
	}
	pub fn println<T: Print>(&mut self, x: T) {
		self.print(x);
		self.print("\n");
	}
	pub fn iterln<T: Print, I: Iterator<Item = T>>(&mut self, mut iter: I, delim: &str) {
		if let Some(v) = iter.next() {
			self.print(v);
			for v in iter {
				self.print(delim);
				self.print(v);
			}
		}
		self.print("\n");
	}
	pub fn flush(&mut self) {
		self.buf.flush().unwrap();
	}
}

impl Default for IO {
	fn default() -> Self {
		Self::new()
	}
}

pub trait Scan {
	type Output;
	fn scan(io: &mut IO) -> Self::Output;
}

macro_rules! impl_scan {
	($($t:tt),*) => {
		$(
			impl Scan for $t {
				type Output = Self;
				fn scan(s: &mut IO) -> Self::Output {
					s.scan_str().parse().unwrap()
				}
			}
		)*
	};
}

impl_scan!(i16, i32, i64, isize, u16, u32, u64, usize, String, f32, f64);

impl Scan for char {
	type Output = char;
	fn scan(s: &mut IO) -> Self::Output {
		s.scan_str().chars().next().unwrap()
	}
}

pub enum Bytes {}
impl Scan for Bytes {
	type Output = &'static [u8];
	fn scan(s: &mut IO) -> Self::Output {
		s.scan_str().as_bytes()
	}
}

pub enum Chars {}
impl Scan for Chars {
	type Output = Vec<char>;
	fn scan(s: &mut IO) -> Self::Output {
		s.scan_str().chars().collect()
	}
}

pub enum Usize1 {}
impl Scan for Usize1 {
	type Output = usize;
	fn scan(s: &mut IO) -> Self::Output {
		s.scan::<usize>().wrapping_sub(1)
	}
}

impl<T: Scan, U: Scan> Scan for (T, U) {
	type Output = (T::Output, U::Output);
	fn scan(s: &mut IO) -> Self::Output {
		(T::scan(s), U::scan(s))
	}
}

impl<T: Scan, U: Scan, V: Scan> Scan for (T, U, V) {
	type Output = (T::Output, U::Output, V::Output);
	fn scan(s: &mut IO) -> Self::Output {
		(T::scan(s), U::scan(s), V::scan(s))
	}
}

impl<T: Scan, U: Scan, V: Scan, W: Scan> Scan for (T, U, V, W) {
	type Output = (T::Output, U::Output, V::Output, W::Output);
	fn scan(s: &mut IO) -> Self::Output {
		(T::scan(s), U::scan(s), V::scan(s), W::scan(s))
	}
}

pub trait Print {
	fn print(w: &mut IO, x: Self);
}

macro_rules! impl_print_int {
	($($t:ty),*) => {
		$(
			impl Print for $t {
				fn print(w: &mut IO, x: Self) {
					w.buf.write_all(x.to_string().as_bytes()).unwrap();
				}
			}
		)*
	};
}

impl_print_int!(i16, i32, i64, isize, u16, u32, u64, usize, f32, f64);

impl Print for u8 {
	fn print(w: &mut IO, x: Self) {
		w.buf.write_all(&[x]).unwrap();
	}
}

impl Print for &[u8] {
	fn print(w: &mut IO, x: Self) {
		w.buf.write_all(x).unwrap();
	}
}

impl Print for &str {
	fn print(w: &mut IO, x: Self) {
		w.print(x.as_bytes());
	}
}

impl Print for String {
	fn print(w: &mut IO, x: Self) {
		w.print(x.as_bytes());
	}
}

impl<T: Print, U: Print> Print for (T, U) {
	fn print(w: &mut IO, (x, y): Self) {
		w.print(x);
		w.print(" ");
		w.print(y);
	}
}

impl<T: Print, U: Print, V: Print> Print for (T, U, V) {
	fn print(w: &mut IO, (x, y, z): Self) {
		w.print(x);
		w.print(" ");
		w.print(y);
		w.print(" ");
		w.print(z);
	}
}

mod neboccoio_macro {
	#[macro_export]
	macro_rules! input {
		(@start $io:tt @read @rest) => {};

		(@start $io:tt @read @rest, $($rest: tt)*) => {
			input!(@start $io @read @rest $($rest)*)
		};

		(@start $io:tt @read @rest mut $($rest:tt)*) => {
			input!(@start $io @read @mut [mut] @rest $($rest)*)
		};

		(@start $io:tt @read @rest $($rest:tt)*) => {
			input!(@start $io @read @mut [] @rest $($rest)*)
		};

		(@start $io:tt @read @mut [$($mut:tt)?] @rest $var:tt: [[$kind:tt; $len1:expr]; $len2:expr] $($rest:tt)*) => {
			let $($mut)* $var = (0..$len2).map(|_| $io.scan_vec::<$kind>($len1)).collect::<Vec<Vec<$kind>>>();
			input!(@start $io @read @rest $($rest)*)
		};

		(@start $io:tt @read @mut [$($mut:tt)?] @rest $var:tt: [$kind:tt; $len:expr] $($rest:tt)*) => {
			let $($mut)* $var = $io.scan_vec::<$kind>($len);
			input!(@start $io @read @rest $($rest)*)
		};

		(@start $io:tt @read @mut [$($mut:tt)?] @rest $var:tt: $kind:tt $($rest:tt)*) => {
			let $($mut)* $var = $io.scan::<$kind>();
			input!(@start $io @read @rest $($rest)*)
		};

		(from $io:tt $($rest:tt)*) => {
			input!(@start $io @read @rest $($rest)*)
		};
	}
}

// ------------ io module end ------------
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