結果
| 問題 | No.2954 Calculation of Exponentiation |
| ユーザー |
 Moss_Local
|
| 提出日時 | 2024-11-08 22:10:10 |
| 言語 | Rust (1.83.0 + proconio) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 6,242 bytes |
| コンパイル時間 | 16,095 ms |
| コンパイル使用メモリ | 379,340 KB |
| 実行使用メモリ | 5,248 KB |
| 最終ジャッジ日時 | 2024-11-08 22:10:47 |
| 合計ジャッジ時間 | 15,302 ms |
|
ジャッジサーバーID （参考情報） |
judge1 / judge2 |
（要ログイン）
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 23 WA * 5 |
コンパイルメッセージ
warning: variable does not need to be mutable
--> src/main.rs:110:9
|
110 | let mut vec: Vec<i64> = read_vec();
| ----^^^
| |
| help: remove this `mut`
|
= note: `#[warn(unused_mut)]` on by default
warning: variable does not need to be mutable
--> src/main.rs:116:9
|
116 | let mut vec: Vec<i64> = read_vec();
| ----^^^
| |
| help: remove this `mut`
warning: variable does not need to be mutable
--> src/main.rs:121:9
|
121 | let mut vec: Vec<usize> = read_vec();
| ----^^^
| |
| help: remove this `mut`
warning: variable does not need to be mutable
--> src/main.rs:127:9
|
127 | let mut vec: Vec<f64> = read_vec();
| ----^^^
| |
| help: remove this `mut`
warning: variable does not need to be mutable
--> src/main.rs:132:9
|
132 | let mut vec: Vec<char> = read_vec();
| ----^^^
| |
| help: remove this `mut`
warning: variable does not need to be mutable
--> src/main.rs:137:9
|
137 | let mut vec: Vec<usize> = read_vec();
| ----^^^
| |
| help: remove this `mut`
warning: variable does not need to be mutable
--> src/main.rs:142:9
|
142 | let mut vec: Vec<i64> = read_vec();
| ----^^^
| |
| help: remove this `mut`
warning: variable does not need to be mutable
--> src/main.rs:148:9
|
148 | let mut vec: Vec<usize> = read_vec();
| ----^^^
| |
| help: remove this `mut`
warning: unused variable: `p`
--> src/main.rs:271:14
|
271 | for (p, e) in factors_a {
| ^ help: if this is intentional, prefix it with an underscore: `_p`
|
= note: `#[warn(unused_variables)]` on by default
ソースコード
#![allow(dead_code)]#![allow(unused_imports)]#![allow(unused_macros)]use std::cmp::*;use std::fmt::*;use std::hash::*;use std::io::BufRead;use std::iter::FromIterator;use std::*;use std::{cmp, collections, fmt, io, iter, ops, str};const INF: i64 = 1223372036854775807;const UINF: usize = INF as usize;const LINF: i64 = 2147483647;const INF128: i128 = 1223372036854775807000000000000;const MOD1: i64 = 1000000007;const MOD9: i64 = 998244353;const MOD: i64 = MOD9;const UMOD: usize = MOD as usize;const M_PI: f64 = 3.14159265358979323846;use cmp::Ordering::*;use std::collections::*;use std::io::stdin;use std::io::stdout;use std::io::Write;macro_rules! p {($x:expr) => {println!("{}", $x);};}macro_rules! vp {($x:expr) => {println!("{}",$x.iter().map(|x| x.to_string()).collect::<Vec<_>>().join(" "));};}macro_rules! d {($x:expr) => {eprintln!("{:?}", $x);};}macro_rules! yn {($val:expr) => {if $val {println!("Yes");} else {println!("No");}};}macro_rules! map{($($key:expr => $val:expr),*) => {{let mut map = ::std::collections::BTreeMap::new();$(map.insert($key, $val);)*map}};}macro_rules! set{($($key:expr),*) => {{let mut set = ::std::collections::BTreeSet::new();$(set.insert($key);)*set}};}#[allow(dead_code)]fn read<T: std::str::FromStr>() -> T {let mut s = String::new();std::io::stdin().read_line(&mut s).ok();s.trim().parse().ok().unwrap()}#[allow(dead_code)]fn read_vec<T: std::str::FromStr>() -> Vec<T> {read::<String>().split_whitespace().map(|e| e.parse().ok().unwrap()).collect()}#[allow(dead_code)]fn read_mat<T: std::str::FromStr>(n: usize) -> Vec<Vec<T>> {(0..n).map(|_| read_vec()).collect()}#[allow(dead_code)]fn readii() -> (i64, i64) {let mut vec: Vec<i64> = read_vec();(vec[0], vec[1])}#[allow(dead_code)]fn readiii() -> (i64, i64, i64) {let mut vec: Vec<i64> = read_vec();(vec[0], vec[1], vec[2])}#[allow(dead_code)]fn readuu() -> (usize, usize) {let mut vec: Vec<usize> = read_vec();(vec[0], vec[1])}#[allow(dead_code)]fn readff() -> (f64, f64) {let mut vec: Vec<f64> = read_vec();(vec[0], vec[1])}fn readcc() -> (char, char) {let mut vec: Vec<char> = read_vec();(vec[0], vec[1])}fn readuuu() -> (usize, usize, usize) {let mut vec: Vec<usize> = read_vec();(vec[0], vec[1], vec[2])}#[allow(dead_code)]fn readiiii() -> (i64, i64, i64, i64) {let mut vec: Vec<i64> = read_vec();(vec[0], vec[1], vec[2], vec[3])}#[allow(dead_code)]fn readuuuu() -> (usize, usize, usize, usize) {let mut vec: Vec<usize> = read_vec();(vec[0], vec[1], vec[2], vec[3])}fn gcd(mut a: i64, mut b: i64) -> i64 {while b != 0 {let temp = a % b;a = b;b = temp;}a.abs()}fn parse_fraction(s: &str) -> (i64, i64) {if let Some(dot_pos) = s.find('.') {let decimal_digits = s.len() - dot_pos - 1;let decimal_digits = decimal_digits.min(4);let scale = 10_i64.pow(decimal_digits as u32);let numerator: i64 = s.replace(".", "").parse().unwrap();let denominator = scale;let common_gcd = gcd(numerator.abs(), denominator);(numerator / common_gcd, denominator / common_gcd)} else {let numerator: i64 = s.parse().unwrap();(numerator, 1)}}fn factorize(mut n: i64) -> Vec<(i64, i64)> {let mut factors = Vec::new();let small_primes = [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89,97,];for &p in &small_primes {if p * p > n {break;}let mut count = 0;while n % p == 0 {count += 1;n /= p;}if count > 0 {factors.push((p, count));}}let mut p = 101;while p * p <= n {if n % p == 0 {let mut count = 0;while n % p == 0 {count += 1;n /= p;}factors.push((p, count));}p += 2;}if n > 1 {factors.push((n, 1));}factors}fn check_perfect_power(factors: &Vec<(i64, i64)>, d: i64) -> bool {for &(_, exp) in factors {if exp % d != 0 {return false;}}true}fn compute_root(factors: &Vec<(i64, i64)>, d: i64) -> i64 {let mut res = 1;for &(p, e) in factors {res *= p.pow((e / d) as u32);}res}fn main() {let stdin = io::stdin();let mut lines = stdin.lock().lines();if let Some(Ok(line)) = lines.next() {let parts: Vec<&str> = line.trim().split_whitespace().collect();if parts.len() != 2 {println!("No");return;}let a_str = parts[0];let b_str = parts[1];let (a_num, a_den) = parse_fraction(a_str);let (b_num, b_den) = parse_fraction(b_str);let gcd_a = gcd(a_num.abs(), a_den);let a_reduced = (a_num / gcd_a, a_den / gcd_a);let gcd_b = gcd(b_num.abs(), b_den);let b_reduced = (b_num / gcd_b, b_den / gcd_b);let a1 = a_reduced.0;let a2 = a_reduced.1;let b1 = b_reduced.0;let b2 = b_reduced.1;let factors_a = factorize(a1);// dbg!((a1, a2, b1, b2));if a1 == 1 && a2 == 1 {p!("Yes");return;}if a2 != 1 {p!("No");return;}if b1 == 0 {p!("Yes");return;}for (p, e) in factors_a {if (e * b1) % b2 != 0 {p!("No");return;}}p!("Yes");} else {println!("No");}}