結果
| 問題 |
No.1330 Multiply or Divide
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2021-01-15 15:27:29 |
| 言語 | Rust (1.83.0 + proconio) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 3,314 bytes |
| コンパイル時間 | 12,906 ms |
| コンパイル使用メモリ | 377,664 KB |
| 実行使用メモリ | 7,680 KB |
| 最終ジャッジ日時 | 2024-11-26 02:13:14 |
| 合計ジャッジ時間 | 13,078 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 38 WA * 8 |
ソースコード
use std::cmp::*;
#[allow(dead_code)]
mod scanner {
use std;
use std::io::Read;
use std::str::FromStr;
use std::str::SplitWhitespace;
pub struct Scanner<'a> {
it: SplitWhitespace<'a>,
}
impl<'a> Scanner<'a> {
pub fn new(s: &'a String) -> Scanner<'a> {
Scanner {
it: s.split_whitespace(),
}
}
pub fn next<T: FromStr>(&mut self) -> T {
match self.it.next().unwrap().parse::<T>() {
Ok(v) => v,
_ => panic!("Scanner error"),
}
}
pub fn next_chars(&mut self) -> Vec<char> { self.next::<String>().chars().collect() }
pub fn next_vec<T: FromStr>(&mut self, len: usize) -> Vec<T> {
(0..len).map(|_| self.next()).collect()
}
}
pub fn read_string() -> String {
let mut s = String::new();
std::io::stdin().read_to_string(&mut s).unwrap();
s
}
}
trait Monoid {
fn id() -> Self;
fn f(a: Self, b: Self) -> Self;
}
#[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord)]
enum MinInt {
Val(i64),
Maximal,
}
#[allow(dead_code)]
impl MinInt {
fn unwrap(self) -> i64 {
if let Self::Val(x) = self {
x
} else {
panic!();
}
}
fn map<F>(self, f: F) -> Self
where
F: Fn(i64) -> i64,
{
if let Self::Val(x) = self {
Self::Val(f(x))
} else {
Self::Maximal
}
}
fn map2<F>(self, b: Self, f: F) -> Self
where
F: Fn(i64, i64) -> i64,
{
match (self, b) {
(Self::Val(x), Self::Val(y)) => Self::Val(f(x, y)),
_ => Self::Maximal,
}
}
fn get_or(self, default: i64) -> i64 {
match self {
Self::Val(x) => x,
_ => default,
}
}
}
impl std::ops::Mul for MinInt {
type Output = Self;
fn mul(self, other: Self) -> Self {
if self < other {
self
} else {
other
}
}
}
impl Monoid for MinInt {
fn id() -> Self { MinInt::Maximal }
fn f(a: Self, b: Self) -> Self { a * b }
}
use MinInt::*;
fn main() {
let sc = scanner::read_string();
let mut sc = scanner::Scanner::new(&sc);
let n: usize = sc.next();
let m: usize = sc.next();
let p: usize = sc.next();
let mut a = sc.next_vec::<usize>(n);
let mut b = vec![];
let mut c = vec![];
for i in 0..n {
if a[i] % p == 0 {
while a[i] % p == 0 {
a[i] /= p;
}
b.push(a[i]);
} else {
c.push(a[i]);
}
}
b.sort();
b.reverse();
c.sort();
c.reverse();
let mut ans = Maximal;
if !b.is_empty() && b[0] != 1 {
let mut x = 1;
let mut y = 0;
while x <= m {
if !c.is_empty() && x * c[0] > m {
y += 1;
break;
}
x *= b[0];
y += 2;
}
ans = ans * Val(y);
}
if !c.is_empty() && c[0] != 1 {
let mut x = 1;
let mut y = 0;
while x <= m {
x *= c[0];
y += 1;
}
ans = ans * Val(y);
}
println!("{}", ans.get_or(-1));
}