#908581 (Rust) No.1729 ～サンプルはちゃんと見て！～ 16進数と8進数(1)

• 問題: No.1729 ～サンプルはちゃんと見て！～ 16進数と8進数(1)
• ユーザー: kenichi
• 提出日時: 2023-08-27 17:07:40
• 言語: Rust (1.77.0 + proconio)
• 結果: AC
• 実行時間: 1 ms / 2,000 ms
• コード長: 7,206 bytes
• コンパイル時間: 13,562 ms
• コンパイル使用メモリ: 378,688 KB
• 実行使用メモリ: 5,376 KB
• 最終ジャッジ日時: 2024-06-08 12:55:51
• 合計ジャッジ時間: 14,957 ms
• ジャッジサーバーID （参考情報）: judge4 / judge1

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; 5,248 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
testcase_21	AC	1 ms; 5,376 KB
testcase_22	AC	1 ms; 5,376 KB
testcase_23	AC	1 ms; 5,376 KB

ソースコード

use std::io::*;
use std::str::FromStr;
/*
const LOW_CASE_ALPHABET: [char; 26] = [
    'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's',
    't', 'u', 'v', 'w', 'x', 'y', 'z',
];
*/

fn main() {
    let s: String = read();
    let res = split_string_reverse(&s,3);
    let mut numbering = Vec::new();
    let mut octo = [0; 8];
    let mut tmp = 0;
    let mut tmp_1 = 0;
    let mut tmp_2 = 0;
    for chunk in res{
        match hex_to_oct(&chunk) {
            Some(oct_str) => numbering.push(stoi(oct_str)),
            None => println!("Error."),
        }
    }

    for _i in 0..numbering.len(){
        while numbering[_i] != 0{
            octo[numbering[_i] as usize % 10] += 1;
            numbering[_i] -= numbering[_i] % 10;
            numbering[_i] /= 10;
        }
    }

    for _i in 0..octo.len(){
        if tmp < octo[_i]{
            tmp = octo[_i];
        }
    }

    for _i in 0..octo.len(){
        if octo[_i] == tmp{
            tmp_1 += 1;
        }
    }

    for _i in 0..octo.len(){
        if octo[_i] == tmp{
            print!("{}",_i);
            tmp_2 += 1;
            if tmp_2 != tmp_1{
                print!(" ");
            }
        }
    }
}

pub fn hex_to_oct(hex: &str) -> Option<String>{
    let num = u64::from_str_radix(hex, 16).ok()?;

    Some(format!("{:o}",num))
}
pub fn split_string_reverse(s: &str, n: usize) -> Vec<String> {
    let chars: Vec<_> = s.chars().collect();
    let mut result = Vec::new();

    for chunk in chars.rchunks_exact(n) {
        result.push(chunk.iter().collect::<String>());
    }

    let remainder = chars.len() % n;
    if remainder != 0{
        result.push(chars[0..remainder].iter().collect());
    }


    result.reverse();
    result
}

pub fn perfect(value_1: usize) -> usize {
    let mut perfect_number = Vec::new();
    for _i in 2..=value_1 {
        let mut tmp = 0;
        for _j in 1..=((_i as f64).powf(0.5)) as usize {
            if _i % _j == 0 {
                if _j * _j == _i {
                    tmp += _j;
                } else {
                    tmp += _j + (_i / _j);
                }
            }
        }
        tmp -= _i;

        if tmp == _i {
            perfect_number.push(_i);
        }
    }

    for _i in 0..perfect_number.len() - 1 {
        println!("{}", perfect_number[_i]);
    }
    return perfect_number[perfect_number.len() - 1];
}

pub fn prime_number(value_1: usize, value_2: usize) -> usize {
    let mut primary = Vec::new();
    primary.push(2);

    for _i in 2..=value_1 {
        let mut flag = 0;
        for _j in 0..primary.len() {
            if _i % primary[_j] == 0 {
                flag = 1;
                break;
            }
        }
        if flag == 0 {
            primary.push(_i);
        }
        if primary.len() == value_2 {
            return primary[primary.len() - 1];
        }
    }

    return 0;
}

pub fn ctoi(c: char) -> isize {
    let n = c as isize - '0' as isize;

    return n;
}

pub fn stoi(c: String) -> isize {
    let n = c.parse::<isize>().unwrap();

    return n;
}

pub fn find_char(sentence: Vec<char>, target: char, start: isize) -> isize {
    for _i in start as usize..sentence.len() {
        if sentence[_i] == target {
            return _i as isize;
        }
    }
    return -1;
}

pub fn hex_to_binary_2(hex_string: String, x: u32) -> Option<String> {
    match i64::from_str_radix(&hex_string, x) {
        Ok(decimal) => Some(format!("{}", decimal)),
        Err(_) => None,
    }
}

pub fn hex_to_binary(hex_string: &str, x: u32) -> Option<String> {
    match i64::from_str_radix(hex_string, x) {
        Ok(decimal) => Some(format!("{}", decimal)),
        Err(_) => None,
    }
}

pub fn my_floor(x: f64) -> f64 {
    let rounded = (x * 1000.0).floor() / 1000.0;

    rounded
}

pub fn upper_lower(x: char) -> char {
    let result: char;

    if x.is_uppercase() {
        result = x.to_ascii_lowercase();
    } else if x.is_lowercase() {
        result = x.to_ascii_uppercase();
    } else {
        result = x;
    }

    result
}

pub fn maxf_2(x: f64, y: f64) -> f64 {
    let result;

    if x >= y {
        result = x;
    } else {
        result = y;
    }

    result
}

pub fn max_2(x: isize, y: isize) -> isize {
    let result;

    if x >= y {
        result = x;
    } else {
        result = y;
    }

    result
}

pub fn max_u_2(x: usize, y: usize) -> usize {
    let result;

    if x >= y {
        result = x;
    } else {
        result = y;
    }

    result
}

pub fn min_u_2(x: usize, y: usize) -> usize {
    let result;

    if x <= y {
        result = x;
    } else {
        result = y;
    }

    result
}

pub fn min_2(x: isize, y: isize) -> isize {
    let result;

    if x >= y {
        result = y;
    } else {
        result = x;
    }

    result
}

pub fn min_2_i32(x: i32, y: i32) -> i32 {
    let result;

    if x >= y {
        result = y;
    } else {
        result = x;
    }

    result
}

pub fn max_3(x: isize, y: isize, z: isize) -> isize {
    let result;
    if x >= y && y >= z {
        result = x;
    } else if x >= z && z >= y {
        result = x;
    } else if y >= x && x >= z {
        result = y;
    } else if y >= z && z >= x {
        result = y;
    } else if z >= x && x >= y {
        result = z;
    } else {
        result = z;
    }

    result
}

pub fn max_u_3(x: usize, y: usize, z: usize) -> usize {
    let result;
    if x >= y && y >= z {
        result = x;
    } else if x >= z && z >= y {
        result = x;
    } else if y >= x && x >= z {
        result = y;
    } else if y >= z && z >= x {
        result = y;
    } else if z >= x && x >= y {
        result = z;
    } else {
        result = z;
    }

    result
}

pub fn min_3(x: isize, y: isize, z: isize) -> isize {
    let result;
    if x <= y && y <= z {
        result = x;
    } else if x <= z && z <= y {
        result = x;
    } else if y <= x && x <= z {
        result = y;
    } else if y <= z && z <= x {
        result = y;
    } else if z <= x && x <= y {
        result = z;
    } else {
        result = z;
    }

    result
}

pub fn min_u_3(x: usize, y: usize, z: usize) -> usize {
    let result;
    if x <= y && y <= z {
        result = x;
    } else if x <= z && z <= y {
        result = x;
    } else if y <= x && x <= z {
        result = y;
    } else if y <= z && z <= x {
        result = y;
    } else if z <= x && x <= y {
        result = z;
    } else {
        result = z;
    }

    result
}

pub fn read_text() -> String {
    let mut word = String::new();
    std::io::stdin().read_line(&mut word).ok();
    let answer = word.trim().to_string();

    answer
}

pub fn read_array() -> Vec<char> {
    let array: String = read();
    let chars: Vec<char> = array.trim().chars().collect::<Vec<char>>();
    chars
}

pub fn read<T: FromStr>() -> T {
    let stdin = stdin();
    let stdin = stdin.lock();
    let token: String = stdin
        .bytes()
        .map(|c| c.expect("failed to read char") as char)
        .skip_while(|c| c.is_whitespace())
        .take_while(|c| !c.is_whitespace())
        .collect();
    token.parse().ok().expect("failed to parse token")
}