#908731 (Rust) No.1700 floor X

提出ソース

結果

問題	No.1700 floor X
ユーザー	kenichi
提出日時	2023-08-28 16:27:34
言語	Rust (1.77.0 + proconio)
結果	AC
実行時間	15 ms / 2,000 ms
コード長	5,989 bytes
コンパイル時間	14,798 ms
コンパイル使用メモリ	379,060 KB
実行使用メモリ	6,944 KB
最終ジャッジ日時	2024-06-09 11:39:41
合計ジャッジ時間	13,160 ms
ジャッジサーバーID （参考情報）	judge2 / judge5

このコードへのチャレンジ
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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 6,812 KB
testcase_01	AC	12 ms 6,812 KB
testcase_02	AC	13 ms 6,944 KB
testcase_03	AC	13 ms 6,940 KB
testcase_04	AC	12 ms 6,944 KB
testcase_05	AC	12 ms 6,940 KB
testcase_06	AC	13 ms 6,944 KB
testcase_07	AC	12 ms 6,944 KB
testcase_08	AC	12 ms 6,940 KB
testcase_09	AC	13 ms 6,944 KB
testcase_10	AC	12 ms 6,940 KB
testcase_11	AC	13 ms 6,940 KB
testcase_12	AC	13 ms 6,940 KB
testcase_13	AC	13 ms 6,944 KB
testcase_14	AC	13 ms 6,944 KB
testcase_15	AC	13 ms 6,940 KB
testcase_16	AC	12 ms 6,944 KB
testcase_17	AC	13 ms 6,940 KB
testcase_18	AC	13 ms 6,940 KB
testcase_19	AC	12 ms 6,944 KB
testcase_20	AC	12 ms 6,944 KB
testcase_21	AC	14 ms 6,944 KB
testcase_22	AC	14 ms 6,940 KB
testcase_23	AC	13 ms 6,944 KB
testcase_24	AC	14 ms 6,940 KB
testcase_25	AC	14 ms 6,940 KB
testcase_26	AC	14 ms 6,940 KB
testcase_27	AC	14 ms 6,940 KB
testcase_28	AC	15 ms 6,940 KB
testcase_29	AC	14 ms 6,940 KB
testcase_30	AC	14 ms 6,944 KB
testcase_31	AC	14 ms 6,940 KB
testcase_32	AC	14 ms 6,940 KB
testcase_33	AC	14 ms 6,940 KB
testcase_34	AC	14 ms 6,940 KB
testcase_35	AC	14 ms 6,940 KB
testcase_36	AC	13 ms 6,940 KB
testcase_37	AC	14 ms 6,940 KB
testcase_38	AC	15 ms 6,940 KB
testcase_39	AC	14 ms 6,940 KB
testcase_40	AC	14 ms 6,944 KB
testcase_41	AC	14 ms 6,944 KB
testcase_42	AC	1 ms 6,944 KB
testcase_43	AC	14 ms 6,940 KB
testcase_44	AC	14 ms 6,940 KB

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ソースコード

raw source code

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 t: usize = read();

    for _i in 0..t{
        let m: usize = read();
        for _j in ((m as f64).powf(0.5)) as usize - 1..=((m as f64).powf(0.5)) as usize + 1{
            if _j * _j <= m && m < (_j + 1) * (_j + 1){
                println!("{}",_j);
                break;
            }
        }
    }
}

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")
}

yukicoder

結果

テストケース

ソースコード