結果
| 問題 |
No.442 和と積
|
| コンテスト | |
| ユーザー |
guricerin
|
| 提出日時 | 2019-07-24 14:51:20 |
| 言語 | Rust (1.83.0 + proconio) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 3,897 bytes |
| コンパイル時間 | 12,892 ms |
| コンパイル使用メモリ | 382,624 KB |
| 実行使用メモリ | 6,944 KB |
| 最終ジャッジ日時 | 2024-06-28 01:45:01 |
| 合計ジャッジ時間 | 13,118 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 11 WA * 7 |
ソースコード
// Original: https://github.com/tanakh/competitive-rs
#[allow(unused_macros)]
macro_rules! input {
(source = $s:expr, $($r:tt)*) => {
let mut iter = $s.split_whitespace();
let mut next = || { iter.next().unwrap() };
input_inner!{next, $($r)*}
};
($($r:tt)*) => {
let stdin = std::io::stdin();
let mut bytes = std::io::Read::bytes(std::io::BufReader::new(stdin.lock()));
let mut next = move || -> String{
bytes
.by_ref()
.map(|r|r.unwrap() as char)
.skip_while(|c|c.is_whitespace())
.take_while(|c|!c.is_whitespace())
.collect()
};
input_inner!{next, $($r)*}
};
}
#[allow(unused_macros)]
macro_rules! input_inner {
($next:expr) => {};
($next:expr, ) => {};
($next:expr, $var:ident : $t:tt $($r:tt)*) => {
let $var = read_value!($next, $t);
input_inner!{$next $($r)*}
};
($next:expr, mut $var:ident : $t:tt $($r:tt)*) => {
let mut $var = read_value!($next, $t);
input_inner!{$next $($r)*}
};
}
#[allow(unused_macros)]
macro_rules! read_value {
($next:expr, ( $($t:tt),* )) => {
( $(read_value!($next, $t)),* )
};
($next:expr, [ $t:tt ; $len:expr ]) => {
(0..$len).map(|_| read_value!($next, $t)).collect::<Vec<_>>()
};
($next:expr, [ $t:tt ]) => {
{
let len = read_value!($next, usize);
(0..len).map(|_| read_value!($next, $t)).collect::<Vec<_>>()
}
};
($next:expr, chars) => {
read_value!($next, String).chars().collect::<Vec<char>>()
};
($next:expr, bytes) => {
read_value!($next, String).into_bytes()
};
($next:expr, usize1) => {
read_value!($next, usize) - 1
};
($next:expr, $t:ty) => {
$next().parse::<$t>().expect("Parse error")
};
}
mod util {
#[allow(dead_code)]
pub fn chmin<T>(x: &mut T, y: T) -> bool
where
T: PartialOrd + Copy,
{
*x > y && {
*x = y;
true
}
}
#[allow(dead_code)]
pub fn chmax<T>(x: &mut T, y: T) -> bool
where
T: PartialOrd + Copy,
{
*x < y && {
*x = y;
true
}
}
/// 整数除算切り上げ
#[allow(dead_code)]
pub fn roundup(a: i64, b: i64) -> i64 {
(a + b - 1) / b
}
#[allow(dead_code)]
pub fn ctoi(c: char) -> i64 {
c as i64 - 48
}
}
#[allow(unused_imports)]
use util::*;
#[allow(unused_imports)]
use std::cmp::{max, min};
#[allow(unused_imports)]
use std::collections::{BTreeMap, BTreeSet, BinaryHeap, VecDeque};
use num::*;
fn main() {
input! {
a:i64,b:i64
}
let ans = gcd(gcd(a, b), a + b);
println!("{}", ans);
}
pub mod num {
use std::ops::{Add, Div, Mul, Neg, Rem, Sub};
pub trait NumOps<Rhs = Self, Output = Self>:
Add<Rhs, Output = Output>
+ Sub<Rhs, Output = Output>
+ Mul<Rhs, Output = Output>
+ Div<Rhs, Output = Output>
+ Rem<Rhs, Output = Output>
+ Neg<Output = Output>
{
}
impl<T, Rhs, Output> NumOps<Rhs, Output> for T where
T: Add<Rhs, Output = Output>
+ Sub<Rhs, Output = Output>
+ Mul<Rhs, Output = Output>
+ Div<Rhs, Output = Output>
+ Rem<Rhs, Output = Output>
+ Neg<Output = Output>
{
}
pub trait Num: PartialEq + NumOps + From<i32> {}
impl Num for i32 {}
impl Num for i64 {}
/// Greatest common divisor
pub fn gcd<T: Num + Copy>(a: T, b: T) -> T {
if b == 0.into() {
a
} else {
gcd(b, a % b)
}
}
/// Least common multiple
pub fn lcm<T: Num + Copy>(a: T, b: T) -> T {
let g = gcd(a, b);
a / g * b
}
}
guricerin