結果
問題 | No.442 和と積 |
ユーザー | guricerin |
提出日時 | 2019-07-24 14:57:38 |
言語 | Rust (1.77.0 + proconio) |
結果 |
AC
|
実行時間 | 1 ms / 1,000 ms |
コード長 | 3,936 bytes |
コンパイル時間 | 13,676 ms |
コンパイル使用メモリ | 380,084 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-07-04 23:19:50 |
合計ジャッジ時間 | 14,809 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
5,376 KB |
testcase_02 | AC | 1 ms
5,376 KB |
testcase_03 | AC | 1 ms
5,376 KB |
testcase_04 | AC | 1 ms
5,376 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 | 1 ms
5,376 KB |
testcase_09 | AC | 1 ms
5,376 KB |
testcase_10 | AC | 1 ms
5,376 KB |
testcase_11 | AC | 1 ms
5,376 KB |
testcase_12 | AC | 1 ms
5,376 KB |
testcase_13 | AC | 1 ms
5,376 KB |
testcase_14 | AC | 1 ms
5,376 KB |
testcase_15 | AC | 1 ms
5,376 KB |
testcase_16 | AC | 1 ms
5,376 KB |
testcase_17 | AC | 1 ms
5,376 KB |
testcase_18 | AC | 1 ms
5,376 KB |
testcase_19 | AC | 1 ms
5,376 KB |
testcase_20 | AC | 1 ms
5,376 KB |
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:i128,b:i128 } let ans = gcd(lcm(a, b) * 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 {} impl Num for i128 {} /// 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 } }