結果
問題 | No.2138 Add Bacon |
ユーザー | tonyu0 |
提出日時 | 2022-12-25 16:34:08 |
言語 | Rust (1.77.0 + proconio) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 5,339 bytes |
コンパイル時間 | 27,835 ms |
コンパイル使用メモリ | 386,944 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-11-19 05:57:10 |
合計ジャッジ時間 | 14,972 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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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 | 1 ms
6,820 KB |
testcase_02 | AC | 1 ms
6,820 KB |
testcase_03 | AC | 1 ms
6,816 KB |
testcase_04 | AC | 1 ms
6,820 KB |
testcase_05 | AC | 1 ms
6,816 KB |
testcase_06 | AC | 1 ms
6,820 KB |
testcase_07 | AC | 1 ms
6,816 KB |
testcase_08 | AC | 1 ms
6,816 KB |
testcase_09 | AC | 2 ms
6,816 KB |
testcase_10 | AC | 1 ms
6,820 KB |
testcase_11 | AC | 1 ms
6,820 KB |
testcase_12 | AC | 1 ms
6,820 KB |
testcase_13 | AC | 1 ms
6,816 KB |
testcase_14 | AC | 1 ms
6,816 KB |
testcase_15 | AC | 1 ms
6,816 KB |
testcase_16 | AC | 1 ms
6,820 KB |
testcase_17 | AC | 1 ms
6,816 KB |
testcase_18 | AC | 1 ms
6,820 KB |
testcase_19 | AC | 1 ms
6,816 KB |
testcase_20 | AC | 1 ms
6,820 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 | 1 ms
6,820 KB |
testcase_25 | AC | 2 ms
6,816 KB |
testcase_26 | AC | 1 ms
6,820 KB |
ソースコード
#![allow(dead_code, unused_macros, unused_imports)] use std::{ cell::{Cell, RefCell, UnsafeCell}, cmp::{max, min, Ordering, Reverse}, collections::{ hash_map::{DefaultHasher, RandomState}, BTreeMap, BTreeSet, BinaryHeap, HashMap, HashSet, VecDeque, }, convert::TryInto, error::Error, fmt::{Display, Write as FmtWrite}, hash::{BuildHasher, Hash, Hasher}, io::{BufWriter, Read, Stdin, Stdout, Write}, iter::{FromIterator, Peekable}, marker::PhantomData, mem::swap, ops::*, process::exit, ptr::read_volatile, rc::Rc, str::{from_utf8_unchecked, FromStr}, time::{Duration, Instant}, }; fn main() { let v = read_vec::<i32>(5); let mut ans = -(1 << 30); for i in 0..=v[2] { ans = std::cmp::max(ans, v[0] + v[3] * i - v[1] - v[4] * i); } println!("{}", ans); out_flush(); } const IO_BUF_SIZE: usize = 1 << 16; type Input = Scanner<Stdin>; type Output = BufWriter<Stdout>; fn _init_input() -> Input { Scanner::new(std::io::stdin()) } fn _init_output() -> Output { BufWriter::with_capacity(IO_BUF_SIZE, std::io::stdout()) } #[repr(transparent)] struct Unsync<T>(T); unsafe impl<T> Sync for Unsync<T> {} type BadLazy<T> = Unsync<UnsafeCell<Option<T>>>; impl<T> BadLazy<T> { const fn new() -> Self { Self(UnsafeCell::new(None)) } } static INPUT: BadLazy<Input> = BadLazy::new(); static OUTPUT: BadLazy<Output> = BadLazy::new(); fn inp<F: FnOnce(&mut Input) -> R, R>(f: F) -> R { unsafe { f((&mut *INPUT.0.get()).get_or_insert_with(_init_input)) } } fn out<F: FnOnce(&mut Output) -> R, R>(f: F) -> R { unsafe { f((&mut *OUTPUT.0.get()).get_or_insert_with(_init_output)) } } #[macro_export] macro_rules! read { () => { read() }; ($t: ty) => { read::<$t>() }; ($t: ty, $($tt: ty),*) => { (read::<$t>(), $(read::<$tt>(),)*) }; [$t: ty; $n: expr] => { read_vec::<$t>($n) }; } #[macro_export] macro_rules! println { () => { out(|x| { let _ = writeln!(x); }) }; ($exp: expr) => { out(|x| { let _ = writeln!(x, "{}", $exp); }) }; ($fmt: expr, $($arg : tt )*) => { out(|x| { let _ = writeln!(x, $fmt, $($arg)*); }) } } #[macro_export] macro_rules! print { ($exp: expr) => { out(|x| { let _ = write!(x, "{}", $exp); }) }; ($fmt: expr, $($arg : tt )*) => { out(|x| { let _ = write!(x, $fmt, $($arg)*); }) } } fn out_flush() { out(|x| { let _ = x.flush(); }); } fn input_is_eof() -> bool { inp(|x| x.eof()) } fn read_byte() -> u8 { inp(|x| x.byte()) } fn read_bytes_no_skip(n: usize) -> Vec<u8> { inp(|x| x.bytes_no_skip(n)) } fn read_bytes(n: usize) -> Vec<u8> { inp(|x| x.bytes(n)) } fn read_bytes2(n: usize, m: usize) -> Vec<Vec<u8>> { inp(|x| x.bytes2(n, m)) } fn read_token() -> Vec<u8> { inp(|x| x.token_bytes()) } fn read_token_str() -> String { unsafe { String::from_utf8_unchecked(read_token()) } } fn read_line() -> Vec<u8> { inp(|x| x.line_bytes()) } fn read_line_str() -> String { unsafe { String::from_utf8_unchecked(read_line()) } } fn read<T: FromStr>() -> T { read_token_str().parse::<T>().ok().expect("failed parse") } fn read_vec<T: FromStr>(n: usize) -> Vec<T> { (0..n).map(|_| read()).collect() } fn read_vec2<T: FromStr>(n: usize, m: usize) -> Vec<Vec<T>> { (0..n).map(|_| read_vec(m)).collect() } struct Scanner<R: Read> { src: R, _buf: Vec<u8>, _pt: usize, // pointer _rd: usize, // bytes read } #[allow(dead_code)] impl<R: Read> Scanner<R> { fn new(src: R) -> Scanner<R> { Scanner { src, _buf: vec![0; IO_BUF_SIZE], _pt: 1, _rd: 1, } } fn _check_buf(&mut self) { if self._pt == self._rd { self._rd = self.src.read(&mut self._buf).unwrap_or(0); self._pt = (self._rd == 0) as usize; } } // returns true if end of file fn eof(&mut self) -> bool { self._check_buf(); self._rd == 0 } // filters \r, returns \0 if eof fn byte(&mut self) -> u8 { loop { self._check_buf(); if self._rd == 0 { return 0; } let res = self._buf[self._pt]; self._pt += 1; if res != b'\r' { return res; } } } fn bytes_no_skip(&mut self, n: usize) -> Vec<u8> { (0..n).map(|_| self.byte()).collect() } fn bytes(&mut self, n: usize) -> Vec<u8> { let res = self.bytes_no_skip(n); self.byte(); res } fn bytes2(&mut self, n: usize, m: usize) -> Vec<Vec<u8>> { (0..n).map(|_| self.bytes(m)).collect() } fn token_bytes(&mut self) -> Vec<u8> { let mut res = Vec::new(); let mut c = self.byte(); while c <= b' ' { if c == b'\0' { return res; } c = self.byte(); } loop { res.push(c); c = self.byte(); if c <= b' ' { return res; } } } fn line_bytes(&mut self) -> Vec<u8> { let mut res = Vec::new(); let mut c = self.byte(); while c != b'\n' && c != b'\0' { res.push(c); c = self.byte(); } res } }