Submission #38877573

---

Source Code Expand

// -*- coding:utf-8-unix -*-
// rustup doc --std --toolchain 1.42.0

#![allow(unused_imports)]
#![allow(unused_macros)]
/*
use bitset_fixed::BitSet;
use itertools::*;
use num::integer::*;
use petgraph::algo::*;
use petgraph::graph::{DiGraph, Graph, NodeIndex, UnGraph};
use petgraph::unionfind::UnionFind;
use petgraph::visit::{
    Bfs, Dfs, EdgeRef, IntoEdges, NodeCount, NodeIndexable, VisitMap, Visitable,
};
//use proconio::{input, marker::{Bytes, Chars, Isize1, Usize1}, source::{auto::AutoSource, line::LineSource, once::OnceSource}};
use rand::{
    distributions::WeightedIndex,
    prelude::{thread_rng, Distribution},
    seq::SliceRandom,
    Rng,
};
use regex::Regex;
use std::collections::*;
use superslice::Ext;
*/
use std::io::{stderr, stdin, stdout, BufRead, BufReader, BufWriter, Read, StdoutLock, Write};

pub fn solve() {
    #[cfg(tcheck)]
    let tins = std::time::Instant::now();
    #[cfg(tcheck)]
    let mut durs = Vec::with_capacity(16);
    use fastproconio::*;
    let stdin = std::io::stdin();
    let mut source = ProconIBufIter::new(stdin.lock());
    #[rustfmt::skip] macro_rules! fread {($t:tt)=>{{fread_value!(source, $t)}};}
    macro_rules! finput {($($r:tt)*)=>{finput_inner!{source, $($r)*}};}
    let out = std::io::stdout();
    let mut outbuf = out.lock();
    //let mut outbuf = std::io::BufWriter::new(out.lock());
    let mut obuf = ProconWriteBuffer::with_capacity(1 << 10);
    #[cfg(tcheck)]
    durs.push((tins.elapsed(), String::from("initial")));
    //let mut out = std::io::BufWriter::new(out.lock());
    //let err = std::io::stderr();
    //let mut err = std::io::BufWriter::new(err.lock());
    finput! {
        mut sx: i32, mut sy: i32,
        tx: i32, ty: i32,
        a: i32, b: i32, c: i32, d: i32,
    }
    #[cfg(tcheck)]
    durs.push((tins.elapsed(), String::from("input")));

    if ((sx ^ tx) & 1) != 0 || ((sy ^ ty) & 1) != 0 {
        std::io::Write::write_all(&mut outbuf, b"No\n").ok();
        return;
    }

    let possible_even = (a != b || sx == tx) && (c != d || sy == ty);
    let possible_odd = (a != b || sx + tx == a + b) && (c != d || sy + ty == c + d);

    if !possible_even && !possible_odd {
        std::io::Write::write_all(&mut outbuf, b"No\n").ok();
        return;
    }

    std::io::Write::write_all(&mut outbuf, b"Yes\n").ok();

    if !possible_even {
        let x = (((sx + tx) & -2) / 2).max(a).min(b);
        let y = (((sy + ty) & -2) / 2).max(c).min(d);
        obuf.uint(x as u32);
        obuf.sp();
        obuf.uint(y as u32);
        obuf.lf();
        sx = 2 * x - sx;
        sy = 2 * y - sy;
        obuf.write_all(&mut outbuf);
    } else if possible_odd {
        fn rep_ceil(sx: i32, sy: i32, tx: i32, ty: i32, a: i32, b: i32, c: i32, d: i32) -> i32 {
            if sx == tx && sy == ty {
                return 0;
            }
            let xdiff = (((sx - tx) & -2) / 2).abs();
            let ydiff = (((sy - ty) & -2) / 2).abs();
            let xstep = (b - a).min(xdiff);
            let ystep = (d - c).min(ydiff);
            let xrep = (xdiff + xstep.saturating_sub(1))
                .checked_div(xstep)
                .unwrap_or(i32::max_value());
            let yrep = (ydiff + ystep.saturating_sub(1))
                .checked_div(ystep)
                .unwrap_or(i32::max_value());
            xrep.min(yrep)
        }
        let x = (((sx + tx) & -2) / 2).max(a).min(b);
        let y = (((sy + ty) & -2) / 2).max(c).min(d);
        let tmp_sx = 2 * x - sx;
        let tmp_sy = 2 * y - sy;
        if rep_ceil(sx, sy, tx, ty, a, b, c, d) > rep_ceil(tmp_sx, tmp_sy, tx, ty, a, b, c, d) {
            obuf.uint(x as u32);
            obuf.sp();
            obuf.uint(y as u32);
            obuf.lf();
            sx = tmp_sx;
            sy = tmp_sy;
        }
        obuf.write_all(&mut outbuf);
    }

    while sx != tx || sy != ty {
        let xdiff = (((sx - tx) & -2) / 2).abs();
        let ydiff = (((sy - ty) & -2) / 2).abs();
        let xstep = (b - a).min(xdiff);
        let ystep = (d - c).min(ydiff);
        let xrep = xdiff.checked_div(xstep).unwrap_or(i32::max_value());
        let yrep = ydiff.checked_div(ystep).unwrap_or(i32::max_value());
        let rep = xrep.min(yrep);
        let x0 = if sx > tx { a + xstep } else { a };
        let x1 = if sx < tx { a + xstep } else { a };
        let y0 = if sy > ty { c + ystep } else { c };
        let y1 = if sy < ty { c + ystep } else { c };
        sx += 2 * (x1 - x0) * rep;
        sy += 2 * (y1 - y0) * rep;
        obuf.uint(x0 as u32);
        obuf.sp();
        obuf.uint(y0 as u32);
        obuf.lf();
        obuf.uint(x1 as u32);
        obuf.sp();
        obuf.uint(y1 as u32);
        obuf.lf();
        let mut rep = rep as u32;
        let oslice = obuf.get_slice();
        let reprep_threthold = 1024;
        if rep >= reprep_threthold {
            let repbuf = oslice.repeat(reprep_threthold as usize);
            let repbufslice = repbuf.as_slice();
            for _ in 0..(rep / reprep_threthold) {
                std::io::Write::write_all(&mut outbuf, repbufslice).ok();
            }
            rep %= reprep_threthold;
        }
        if rep == 0 {
        } else if rep == 1 {
            std::io::Write::write_all(&mut outbuf, oslice).ok();
        } else {
            std::io::Write::write_all(&mut outbuf, oslice.repeat(rep as usize).as_slice()).ok();
        }
        obuf.clear();
    }

    //let _ = std::io::Write::flush(&mut out);
    #[cfg(tcheck)]
    durs.push((tins.elapsed(), String::from("output")));
    #[cfg(tcheck)]
    for (dur, s) in durs.iter() {
        eprintln!("{:.6} {}", dur.as_secs_f64(), s);
    }
    //let _ = writeln!(&mut err, "{}", count);
    //let _ = std::io::Write::flush(&mut err);
}

pub fn main() {
    const USE_THREAD: bool = false;
    if USE_THREAD {
        // In order to avoid potential stack overflow, spawn a new thread.
        let stack_size = 134_217_728; // 128 MB
        let thd = std::thread::Builder::new().stack_size(stack_size);
        thd.spawn(|| solve()).unwrap().join().unwrap();
    } else {
        solve()
    }
}

/// chmax, chmin sugar syntax
trait Change {
    fn chmax(&mut self, x: Self);
    fn chmin(&mut self, x: Self);
}
impl<T: PartialOrd> Change for T {
    fn chmax(&mut self, x: T) {
        if *self < x {
            *self = x;
        }
    }
    fn chmin(&mut self, x: T) {
        if *self > x {
            *self = x;
        }
    }
}
pub mod fastproconio {
    /// input macros based on tanakh's input macro / proconio-rs.
    /// tanakh's input macro: <https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8>
    /// proconio-rs: <https://docs.rs/proconio/0.3.8/proconio/>
    /// this macro recieve `Iterator<Item = u8>` input source, except for Bytes/Chars/String read
    /// ProconIBufIter receive `std::io::BufRead` trait. (`std::io::StdinLock`, `std::io::BufReader`, `&[u8]`, etc.)
    #[macro_export]
    macro_rules! finput_inner {
        ($iter:expr) => {};
        ($iter:expr, ) => {};
        ($iter:expr, mut $var:ident : $t:tt $($r:tt)*) => {
            let mut $var = fread_value!($iter, $t);
            finput_inner!{$iter $($r)*}
        };
        ($iter:expr, $var:ident : $t:tt $($r:tt)*) => {
            let $var = fread_value!($iter, $t);
            finput_inner!{$iter $($r)*}
        };
    }
    #[macro_export]
    macro_rules! fread_value {
        ($iter:expr, ( $($t:tt),* )) => { ( $(fread_value!($iter, $t)),* ) };
        ($iter:expr, [ $t:tt ; $len:expr ]) => { (0..$len).map(|_| fread_value!($iter, $t)).collect::<Vec<_>>() };
        ($iter:expr, u128) => { $iter.parse_uint::<u128>() };
        ($iter:expr, usize) => { $iter.parse_uint::<usize>() };
        ($iter:expr, usize1) => { $iter.parse_uint::<usize>() - 1 };
        ($iter:expr, u64) => { $iter.parse_uint::<u64>() };
        ($iter:expr, u64_1) => { $iter.parse_uint::<u64>() - 1 };
        ($iter:expr, u32) => { $iter.parse_uint::<u32>() };
        ($iter:expr, u32_1) => { $iter.parse_uint::<u32>() - 1 };
        ($iter:expr, u16) => { $iter.parse_uint::<u16>() };
        ($iter:expr, u8) => { $iter.parse_uint::<u8>() };
        ($iter:expr, i128) => { $iter.parse_iint::<i128>() };
        ($iter:expr, isize) => { $iter.parse_iint::<isize>() };
        ($iter:expr, i64) => { $iter.parse_iint::<i64>() };
        ($iter:expr, i32) => { $iter.parse_iint::<i32>() };
        ($iter:expr, i16) => { $iter.parse_iint::<i16>() };
        ($iter:expr, i8) => { $iter.parse_iint::<i16>() as i8 };
        ($iter:expr, byte) => { $iter.get_ascii_byte() };
        ($iter:expr, Bytes) => {{ let mut v = vec![];$iter.get_ascii_bytes(&mut v);v }};
        ($iter:expr, String) => {{ let mut v = vec![];$iter.get_ascii_bytes(&mut v);unsafe { std::string::String::from_utf8_unchecked(v) }}};
        ($iter:expr, LineBytes) => {{ let mut v = vec![];$iter.get_ascii_line_bytes(&mut v).and(Some(v)).unwrap() }};
        ($iter:expr, LineBytesTrim) => {{ let mut v = vec![];$iter.get_ascii_line_bytes_trim(&mut v);v }};
        ($iter:expr, LineString) => {{ let mut v = vec![];$iter.get_ascii_line_bytes(&mut v);unsafe { std::string::String::from_utf8_unchecked(v) }}};
        ($iter:expr, LineStringTrim) => {{ let mut v = vec![];$iter.get_ascii_line_bytes_trim(&mut v);unsafe { std::string::String::from_utf8_unchecked(v) }}};
        ($iter:expr, Utf8Bytes) => {{ let mut v = vec![];$iter.get_utf8_bytes(&mut v);v }};
        ($iter:expr, Utf8String) => {{ let mut v = vec![];$iter.get_utf8_bytes(&mut v);unsafe { std::string::String::from_utf8_unchecked(v) }}};
        ($iter:expr, Utf8LineBytes) => {{ let mut v = vec![];$iter.get_utf8_line_bytes(&mut v);v }};
        ($iter:expr, Utf8LineBytesTrim) => {{ let mut v = vec![];$iter.get_utf8_line_bytes_trim(&mut v);v }};
        ($iter:expr, Utf8LineString) => {{ let mut v = vec![];$iter.get_utf8_line_bytes(&mut v);unsafe { std::string::String::from_utf8_unchecked(v) }}};
        ($iter:expr, Utf8LineStringTrim) => {{ let mut v = vec![];$iter.get_utf8_line_bytes_trim(&mut v);unsafe { std::string::String::from_utf8_unchecked(v) }}};
        ($iter:expr, $t:ty) => {{ let mut v = vec![];$iter.get_utf8_bytes(&mut v);unsafe { std::string::String::from_utf8_unchecked(v.as_slice()) }.parse::<$t>().expect("Parse error") }};
    }
    unsafe fn ptr_offset_u8(dist: *const u8, origin: *const u8) -> usize {
        // Rust 1.47.0 or later, `dist.offset_from(origin) as usize`
        // <https://doc.rust-lang.org/std/primitive.pointer.html#method.offset_from>
        dist as usize - origin as usize
    }
    /// Interaction with `std::io::BufRead` Trait, Implementation of `Iterator<Item = u8>`
    pub struct ProconIBufIter<R: std::io::BufRead> {
        inner: R,
        raw: *const u8,
        ptr: *const u8,
        end: *const u8,
        len: usize,
    }
    impl<R: std::io::BufRead> ProconIBufIter<R> {
        pub fn new(inner: R) -> Self {
            Self {
                inner,
                raw: std::ptr::null(),
                ptr: std::ptr::null(),
                end: std::ptr::null(),
                len: 0,
            }
        }
    }
    impl<R: std::io::BufRead> ProconIBufIter<R> {
        pub fn buf_empty(&self) -> bool {
            self.ptr == self.end
        }
        #[allow(clippy::missing_safety_doc)]
        #[cold]
        unsafe fn inner_read(&mut self) -> bool {
            debug_assert_eq!(self.ptr, self.end);
            self.inner.consume(ptr_offset_u8(self.ptr, self.raw));
            if let Ok(s) = self.inner.fill_buf() {
                self.raw = s.as_ptr();
                self.ptr = s.as_ptr();
                self.end = s.as_ptr().add(s.len());
                self.len = s.len();
                self.len != 0
            } else {
                self.raw = self.ptr;
                self.len = self.end as usize - self.ptr as usize;
                false
            }
        }
        #[allow(clippy::missing_safety_doc)]
        unsafe fn next_unchecked(&mut self) -> u8 {
            let p = self.ptr;
            self.ptr = p.add(1);
            *p
        }
        /// skip unmatch bytes
        pub fn skipuntil_bytes_fn<F: FnMut(u8) -> bool>(&mut self, f: &mut F) -> bool {
            loop {
                let mut ptr = self.ptr;
                while ptr != self.end {
                    if f(unsafe { *ptr }) {
                        self.ptr = ptr;
                        return true;
                    }
                    unsafe {
                        ptr = ptr.add(1);
                    }
                }
                self.ptr = ptr;
                if unsafe { !self.inner_read() } {
                    return false;
                }
            }
        }
    }
    impl<R: std::io::BufRead> Iterator for ProconIBufIter<R> {
        type Item = u8;
        fn next(&mut self) -> Option<Self::Item> {
            if !self.buf_empty() || unsafe { self.inner_read() } {
                Some(unsafe { self.next_unchecked() })
            } else {
                None
            }
        }
        fn size_hint(&self) -> (usize, Option<usize>) {
            (usize::max_value(), None)
        }
    }
    pub trait UPrimInt:
        Copy
        + Default
        + std::ops::Add<Output = Self>
        + std::ops::Sub<Output = Self>
        + std::ops::Mul<Output = Self>
        + std::convert::From<u8>
    {
        const BITS: u32;
    }
    macro_rules! impl_uprimint {
        ($t:ty) => {
            impl UPrimInt for $t {
                const BITS: u32 = (0 as $t).count_zeros();
            }
        };
    }
    impl_uprimint!(u8);
    impl_uprimint!(u16);
    impl_uprimint!(u32);
    impl_uprimint!(u64);
    impl_uprimint!(u128);
    impl_uprimint!(usize);
    pub trait IPrimInt:
        Copy
        + Default
        + std::ops::Add<Output = Self>
        + std::ops::Sub<Output = Self>
        + std::ops::Neg<Output = Self>
        + std::ops::Mul<Output = Self>
        + std::convert::From<i8>
    {
        const BITS: u32;
    }
    macro_rules! impl_iprimint {
        ($t:ty) => {
            impl IPrimInt for $t {
                const BITS: u32 = (0 as $t).count_zeros();
            }
        };
    }
    impl_iprimint!(i8);
    impl_iprimint!(i16);
    impl_iprimint!(i32);
    impl_iprimint!(i64);
    impl_iprimint!(i128);
    impl_iprimint!(isize);
    /// speed frenzy input parser for program compete
    pub trait ProconParse {
        fn get_ascii_byte(&mut self) -> u8 {
            self.get_ascii_byte_opt().unwrap()
        }
        fn get_ascii_byte_or_default(&mut self) -> u8 {
            self.get_ascii_byte_opt().unwrap_or_default()
        }
        fn get_ascii_byte_opt(&mut self) -> Option<u8>;
        fn parse_uint<U: UPrimInt>(&mut self) -> U {
            self.parse_uint_opt().unwrap()
        }
        fn parse_uint_or_default<U: UPrimInt>(&mut self) -> U {
            self.parse_uint_opt().unwrap_or_default()
        }
        fn parse_uint_opt<U: UPrimInt>(&mut self) -> Option<U>;
        fn parse_iint<I: IPrimInt>(&mut self) -> I {
            self.parse_iint_opt().unwrap()
        }
        fn parse_iint_or_default<I: IPrimInt>(&mut self) -> I {
            self.parse_iint_opt().unwrap_or_default()
        }
        fn parse_iint_opt<I: IPrimInt>(&mut self) -> Option<I>;
    }
    /// speed frenzy input byte reader for program compete
    pub trait ProconBytes {
        /// get bytes
        fn get_bytes_fn<F: Fn(u8) -> bool>(&mut self, vec: &mut Vec<u8>, f: &mut F);
        /// get bytes (printable ascii word)
        fn get_ascii_bytes(&mut self, vec: &mut Vec<u8>);
        /// get line bytes (sp+printable ascii)
        fn get_ascii_line_bytes(&mut self, vec: &mut Vec<u8>);
        /// get line bytes (trimed sp+printable ascii)
        fn get_ascii_line_bytes_trim(&mut self, vec: &mut Vec<u8>);
        /// get bytes (printable utf8 word)
        fn get_utf8_bytes(&mut self, vec: &mut Vec<u8>);
        /// get line bytes (sp+printable utf8)
        fn get_utf8_line_bytes(&mut self, vec: &mut Vec<u8>);
        /// get line bytes (trimed sp+printable utf8)
        fn get_utf8_line_bytes_trim(&mut self, vec: &mut Vec<u8>);
    }
    impl<T: Iterator<Item = u8>> ProconParse for T {
        fn get_ascii_byte_opt(&mut self) -> Option<u8> {
            loop {
                match self.next() {
                    Some(c @ 0x21..=0x7e) => {
                        return Some(c);
                    }
                    Some(_) => continue,
                    _ => return None,
                }
            }
        }
        fn parse_uint_opt<U: UPrimInt>(&mut self) -> Option<U> {
            loop {
                match self.next() {
                    Some(c @ b'0'..=b'9') => {
                        let mut v = U::from(c - b'0');
                        while let Some(c @ b'0'..=b'9') = self.next() {
                            v = v * U::from(10) + U::from(c - b'0');
                        }
                        return Some(v);
                    }
                    Some(_) => continue,
                    _ => return None,
                }
            }
        }
        fn parse_iint_opt<I: IPrimInt>(&mut self) -> Option<I> {
            loop {
                match self.next() {
                    Some(c @ b'0'..=b'9') => {
                        let mut v = I::from((c - b'0') as i8);
                        while let Some(c @ b'0'..=b'9') = self.next() {
                            v = v * I::from(10) + I::from((c - b'0') as i8);
                        }
                        return Some(v);
                    }
                    Some(b'-') => match self.next() {
                        Some(c @ b'0'..=b'9') => {
                            let mut v = I::from(-((c - b'0') as i8));
                            while let Some(c @ b'0'..=b'9') = self.next() {
                                v = v * I::from(10) - I::from((c - b'0') as i8);
                            }
                            return Some(v);
                        }
                        _ => return None,
                    },
                    Some(_) => continue,
                    _ => return None,
                }
            }
        }
    }
    impl<R: std::io::BufRead> Drop for ProconIBufIter<R> {
        /// Saving the pointer on interruption
        fn drop(&mut self) {
            self.inner
                .consume(unsafe { ptr_offset_u8(self.ptr, self.raw) });
        }
    }
    impl<R: std::io::BufRead> ProconBytes for ProconIBufIter<R> {
        /// get bytes vector
        fn get_bytes_fn<F: Fn(u8) -> bool>(&mut self, vec: &mut Vec<u8>, f: &mut F) {
            if !self.skipuntil_bytes_fn(f) {
                return;
            }
            let begin_ptr = self.ptr;
            let mut ptr = self.ptr;
            loop {
                unsafe {
                    ptr = ptr.add(1);
                }
                if ptr == self.end {
                    self.ptr = ptr;
                    vec.extend_from_slice(unsafe {
                        std::slice::from_raw_parts(begin_ptr, ptr_offset_u8(ptr, begin_ptr))
                    });
                    break;
                }
                if !f(unsafe { *ptr }) {
                    self.ptr = ptr;
                    vec.extend_from_slice(unsafe {
                        std::slice::from_raw_parts(begin_ptr, ptr_offset_u8(ptr, begin_ptr))
                    });
                    return;
                }
            }
            if unsafe { !self.inner_read() } {
                return;
            }
            ptr = self.ptr;
            loop {
                if !f(unsafe { *ptr }) {
                    self.ptr = ptr;
                    vec.extend_from_slice(unsafe {
                        std::slice::from_raw_parts(self.raw, ptr_offset_u8(ptr, self.raw))
                    });
                    return;
                }
                unsafe {
                    ptr = ptr.add(1);
                }
                if ptr == self.end {
                    self.ptr = ptr;
                    vec.extend_from_slice(unsafe {
                        std::slice::from_raw_parts(self.raw, self.len)
                    });
                    if unsafe { !self.inner_read() } {
                        return;
                    }
                    ptr = self.ptr;
                }
            }
        }
        fn get_ascii_bytes(&mut self, vec: &mut Vec<u8>) {
            self.get_bytes_fn(vec, &mut |c| c.is_ascii_graphic())
        }
        fn get_ascii_line_bytes(&mut self, vec: &mut Vec<u8>) {
            self.get_bytes_fn(vec, &mut |c| (b' '..=b'~').contains(&c))
        }
        fn get_ascii_line_bytes_trim(&mut self, vec: &mut Vec<u8>) {
            self.skipuntil_bytes_fn(&mut |c| c.is_ascii_graphic());
            self.get_bytes_fn(vec, &mut |c| (b' '..=b'~').contains(&c));
            while vec.last() == Some(&b' ') {
                vec.pop();
            }
        }
        fn get_utf8_bytes(&mut self, vec: &mut Vec<u8>) {
            self.get_bytes_fn(vec, &mut |c| (b'!'..=0xf4).contains(&c))
        }
        fn get_utf8_line_bytes(&mut self, vec: &mut Vec<u8>) {
            self.get_bytes_fn(vec, &mut |c| (b' '..=0xf4).contains(&c))
        }
        fn get_utf8_line_bytes_trim(&mut self, vec: &mut Vec<u8>) {
            self.skipuntil_bytes_fn(&mut |c| (b'!'..=0xf4).contains(&c));
            self.get_bytes_fn(vec, &mut |c| (b' '..=0xf4).contains(&c));
            while vec.last() == Some(&b' ') {
                vec.pop();
            }
        }
    }
    /// Insufficient write buffer size causes undefined operation.
    pub struct ProconWriteBuffer(*mut u8, Vec<u8>);
    impl ProconWriteBuffer {
        pub fn with_capacity(capacity: usize) -> Self {
            let mut b = Vec::<u8>::with_capacity(capacity);
            let ptr = b.as_mut_ptr();
            Self(ptr, b)
        }
        pub fn get_mut_ptr(&self) -> *mut u8 {
            self.0
        }
        pub fn set_mut_ptr(&mut self, p: *mut u8) {
            self.0 = p;
        }
        fn decision(&mut self) {
            let bptr = self.1.as_mut_ptr();
            unsafe { self.1.set_len((self.0 as usize) - (bptr as usize)) };
        }
        pub fn clear(&mut self) {
            self.1.clear();
            self.0 = self.1.as_mut_ptr();
        }
        pub fn get_slice(&mut self) -> &[u8] {
            self.decision();
            self.1.as_slice()
        }
        pub fn reserve(&mut self, additional: usize) {
            self.decision();
            self.1.reserve(additional);
            self.0 = self.1.as_mut_ptr();
        }
        pub fn reserve_exact(&mut self, additional: usize) {
            self.decision();
            self.1.reserve_exact(additional);
            self.0 = self.1.as_mut_ptr();
        }
        pub fn uint<U>(&mut self, d: U)
        where
            U: Copy
                + std::cmp::Ord
                + std::ops::Div<Output = U>
                + std::ops::Rem<Output = U>
                + std::convert::From<u8>
                + std::convert::Into<u128>,
        {
            proconwritebuf_uint(&mut self.0, d);
        }
        pub fn uint_sp<U>(&mut self, s: &[U])
        where
            U: Copy
                + std::cmp::Ord
                + std::ops::Div<Output = U>
                + std::ops::Rem<Output = U>
                + std::convert::From<u8>
                + std::convert::Into<u128>,
        {
            let mut p = self.0;
            let mut it = s.iter();
            if let Some(&d) = it.next() {
                proconwritebuf_uint(&mut p, d);
                for &d in it {
                    proconwritebuf_sp(&mut p);
                    proconwritebuf_uint(&mut p, d);
                }
            }
            self.0 = p;
        }
        pub fn uint_splf<U>(&mut self, s: &[U])
        where
            U: Copy
                + std::cmp::Ord
                + std::ops::Div<Output = U>
                + std::ops::Rem<Output = U>
                + std::convert::From<u8>
                + std::convert::Into<u128>,
        {
            let mut p = self.0;
            let mut it = s.iter();
            if let Some(&d) = it.next() {
                proconwritebuf_uint(&mut p, d);
                for &d in it {
                    proconwritebuf_sp(&mut p);
                    proconwritebuf_uint(&mut p, d);
                }
            }
            proconwritebuf_lf(&mut p);
            self.0 = p;
        }
        pub fn usize(&mut self, d: usize) {
            proconwritebuf_uint(&mut self.0, d as u64);
        }
        pub fn usize_sp(&mut self, s: &[usize]) {
            let mut p = self.0;
            let mut it = s.iter();
            if let Some(&d) = it.next() {
                proconwritebuf_uint(&mut p, d as u64);
                for &d in it {
                    proconwritebuf_sp(&mut p);
                    proconwritebuf_uint(&mut p, d as u64);
                }
            }
            self.0 = p;
        }
        pub fn usize_splf(&mut self, s: &[usize]) {
            let mut p = self.0;
            let mut it = s.iter();
            if let Some(&d) = it.next() {
                proconwritebuf_uint(&mut p, d as u64);
                for &d in it {
                    proconwritebuf_sp(&mut p);
                    proconwritebuf_uint(&mut p, d as u64);
                }
            }
            proconwritebuf_lf(&mut p);
            self.0 = p;
        }
        pub fn iint<I>(&mut self, d: I)
        where
            I: Copy
                + std::cmp::Ord
                + std::ops::Neg<Output = I>
                + std::ops::Div<Output = I>
                + std::ops::Rem<Output = I>
                + std::convert::From<i8>
                + std::convert::Into<i128>,
        {
            proconwritebuf_iint(&mut self.0, d);
        }
        pub fn iint_sp<I>(&mut self, s: &[I])
        where
            I: Copy
                + std::cmp::Ord
                + std::ops::Neg<Output = I>
                + std::ops::Div<Output = I>
                + std::ops::Rem<Output = I>
                + std::convert::From<i8>
                + std::convert::Into<i128>,
        {
            let mut p = self.0;
            let mut it = s.iter();
            if let Some(&d) = it.next() {
                proconwritebuf_iint(&mut p, d);
                for &d in it {
                    proconwritebuf_sp(&mut p);
                    proconwritebuf_iint(&mut p, d);
                }
            }
            self.0 = p;
        }
        pub fn iint_splf<I>(&mut self, s: &[I])
        where
            I: Copy
                + std::cmp::Ord
                + std::ops::Neg<Output = I>
                + std::ops::Div<Output = I>
                + std::ops::Rem<Output = I>
                + std::convert::From<i8>
                + std::convert::Into<i128>
                + std::convert::TryInto<u8>,
        {
            let mut p = self.0;
            let mut it = s.iter();
            if let Some(&d) = it.next() {
                proconwritebuf_iint(&mut p, d);
                for &d in it {
                    proconwritebuf_sp(&mut p);
                    proconwritebuf_iint(&mut p, d);
                }
            }
            proconwritebuf_lf(&mut p);
            self.0 = p;
        }
        pub fn sp(&mut self) {
            proconwritebuf_sp(&mut self.0);
        }
        pub fn lf(&mut self) {
            proconwritebuf_lf(&mut self.0);
        }
        pub fn bytes(&mut self, s: &[u8]) {
            proconwritebuf_bytes(&mut self.0, s);
        }
        pub fn str(&mut self, s: &str) {
            proconwritebuf_str(&mut self.0, s);
        }
        pub fn string(&mut self, s: &String) {
            proconwritebuf_string(&mut self.0, s);
        }
        pub fn write_all<W>(&mut self, out: &mut W)
        where
            W: std::io::Write,
        {
            self.decision();
            let _ = out.write_all(self.1.as_slice());
            self.1.clear();
            self.0 = self.1.as_mut_ptr();
        }
    }
    pub fn proconwritebuf_uint<U>(p: &mut *mut u8, mut d: U)
    where
        U: Copy
            + std::cmp::Ord
            + std::ops::Div<Output = U>
            + std::ops::Rem<Output = U>
            + std::convert::From<u8>
            + std::convert::Into<u128>,
    {
        unsafe {
            let bptr = *p;
            let mut cptr = bptr;
            if d != U::from(0) {
                while d != U::from(0) {
                    let (q, r) = (d / U::from(10), d % U::from(10));
                    d = q;
                    *cptr = b'0' + U::into(r) as u8;
                    cptr = cptr.add(1);
                }
                *p = cptr;
                let mut lptr = bptr;
                let mut rptr = cptr.sub(1);
                while (lptr as usize) < (rptr as usize) {
                    let (dr, dl) = (*lptr, *rptr);
                    *lptr = dl;
                    *rptr = dr;
                    lptr = lptr.add(1);
                    rptr = rptr.sub(1);
                }
            } else {
                *cptr = b'0';
                *p = cptr.add(1);
            }
        };
    }
    pub fn proconwritebuf_iint<I>(p: &mut *mut u8, mut d: I)
    where
        I: Copy
            + std::cmp::Ord
            + std::ops::Neg<Output = I>
            + std::ops::Div<Output = I>
            + std::ops::Rem<Output = I>
            + std::convert::From<i8>
            + std::convert::Into<i128>,
    {
        unsafe {
            let bptr = *p;
            let mut cptr = bptr;
            if d > I::from(0) {
                while d != I::from(0) {
                    let (q, r) = (d / I::from(10), d % I::from(10));
                    d = q;
                    *cptr = b'0' + I::into(r) as u8;
                    cptr = cptr.add(1);
                }
                *p = cptr;
                let mut lptr = bptr;
                let mut rptr = cptr.sub(1);
                while (lptr as usize) < (rptr as usize) {
                    let (dr, dl) = (*lptr, *rptr);
                    *lptr = dl;
                    *rptr = dr;
                    lptr = lptr.add(1);
                    rptr = rptr.sub(1);
                }
            } else if d < I::from(0) {
                *cptr = b'-';
                cptr = cptr.add(1);
                let mptr = cptr;
                {
                    let (q, r) = (-(d / I::from(10)), -(d % I::from(10)));
                    d = q;
                    *cptr = b'0' + I::into(r) as u8;
                    cptr = cptr.add(1);
                }
                while d != I::from(0) {
                    let (q, r) = (d / I::from(10), d % I::from(10));
                    d = q;
                    *cptr = b'0' + I::into(r) as u8;
                    cptr = cptr.add(1);
                }
                *p = cptr;
                let mut lptr = mptr;
                let mut rptr = cptr.sub(1);
                while (lptr as usize) < (rptr as usize) {
                    let (dr, dl) = (*lptr, *rptr);
                    *lptr = dl;
                    *rptr = dr;
                    lptr = lptr.add(1);
                    rptr = rptr.sub(1);
                }
            } else {
                *cptr = b'0';
                *p = cptr.add(1);
            }
        };
    }
    pub fn proconwritebuf_sp(p: &mut *mut u8) {
        *p = unsafe {
            **p = b' ';
            (*p).add(1)
        }
    }
    pub fn proconwritebuf_lf(p: &mut *mut u8) {
        *p = unsafe {
            **p = b'\n';
            (*p).add(1)
        }
    }
    pub fn proconwritebuf_bytes(p: &mut *mut u8, bytes: &[u8]) {
        *p = unsafe {
            let len = bytes.len();
            std::ptr::copy_nonoverlapping(bytes.as_ptr(), *p, len);
            (*p).add(len)
        };
    }
    pub fn proconwritebuf_str(p: &mut *mut u8, s: &str) {
        *p = unsafe {
            let len = s.len();
            std::ptr::copy_nonoverlapping(s.as_ptr(), *p, len);
            (*p).add(len)
        };
    }
    pub fn proconwritebuf_string(p: &mut *mut u8, s: &String) {
        *p = unsafe {
            let len = s.len();
            std::ptr::copy_nonoverlapping(s.as_ptr(), *p, len);
            (*p).add(len)
        };
    }
}

Submission Info

Judge Result