結果

問題 No.1312 Snake Eyes
ユーザー bqnbqn
提出日時 2022-06-15 22:35:27
言語 Rust
(1.77.0 + proconio)
結果
WA  
実行時間 -
コード長 6,527 bytes
コンパイル時間 18,060 ms
コンパイル使用メモリ 388,596 KB
実行使用メモリ 6,824 KB
最終ジャッジ日時 2024-10-04 23:22:36
合計ジャッジ時間 18,321 ms
ジャッジサーバーID
(参考情報)
judge2 / judge1
このコードへのチャレンジ
(要ログイン)

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
6,820 KB
testcase_01 AC 1 ms
6,816 KB
testcase_02 AC 1 ms
6,816 KB
testcase_03 WA -
testcase_04 WA -
testcase_05 AC 1 ms
6,816 KB
testcase_06 AC 1 ms
6,816 KB
testcase_07 AC 1 ms
6,816 KB
testcase_08 AC 1 ms
6,820 KB
testcase_09 AC 1 ms
6,820 KB
testcase_10 AC 1 ms
6,816 KB
testcase_11 AC 1 ms
6,820 KB
testcase_12 AC 1 ms
6,816 KB
testcase_13 WA -
testcase_14 WA -
testcase_15 AC 1 ms
6,820 KB
testcase_16 WA -
testcase_17 AC 1 ms
6,820 KB
testcase_18 WA -
testcase_19 AC 1 ms
6,816 KB
testcase_20 WA -
testcase_21 WA -
testcase_22 AC 1 ms
6,816 KB
testcase_23 WA -
testcase_24 WA -
testcase_25 WA -
testcase_26 WA -
testcase_27 WA -
testcase_28 AC 1 ms
6,816 KB
testcase_29 WA -
testcase_30 WA -
testcase_31 WA -
testcase_32 WA -
testcase_33 AC 1 ms
6,820 KB
testcase_34 WA -
testcase_35 WA -
testcase_36 WA -
testcase_37 WA -
testcase_38 WA -
testcase_39 WA -
testcase_40 WA -
testcase_41 WA -
testcase_42 WA -
testcase_43 WA -
testcase_44 WA -
testcase_45 WA -
testcase_46 WA -
testcase_47 AC 1 ms
6,820 KB
testcase_48 WA -
testcase_49 WA -
testcase_50 WA -
testcase_51 WA -
testcase_52 WA -
testcase_53 WA -
testcase_54 WA -
testcase_55 WA -
testcase_56 WA -
testcase_57 WA -
testcase_58 WA -
testcase_59 WA -
testcase_60 WA -
testcase_61 WA -
testcase_62 WA -
testcase_63 AC 1 ms
6,820 KB
testcase_64 AC 2 ms
6,816 KB
testcase_65 AC 6 ms
6,816 KB
testcase_66 WA -
testcase_67 AC 1 ms
6,820 KB
testcase_68 AC 3 ms
6,820 KB
testcase_69 AC 1 ms
6,820 KB
testcase_70 AC 41 ms
6,820 KB
testcase_71 AC 25 ms
6,820 KB
testcase_72 AC 2 ms
6,816 KB
testcase_73 AC 1 ms
6,820 KB
testcase_74 AC 1 ms
6,816 KB
testcase_75 AC 1 ms
6,816 KB
testcase_76 WA -
testcase_77 AC 49 ms
6,820 KB
testcase_78 AC 50 ms
6,820 KB
testcase_79 AC 37 ms
6,820 KB
testcase_80 AC 49 ms
6,816 KB
testcase_81 AC 50 ms
6,816 KB
testcase_82 AC 50 ms
6,816 KB
testcase_83 WA -
testcase_84 AC 50 ms
6,820 KB
testcase_85 AC 46 ms
6,820 KB
testcase_86 AC 43 ms
6,816 KB
testcase_87 WA -
権限があれば一括ダウンロードができます
コンパイルメッセージ
warning: unused macro definition: `input_inner`
  --> src/main.rs:89:14
   |
89 | macro_rules! input_inner {
   |              ^^^^^^^^^^^
   |
   = note: `#[warn(unused_macros)]` on by default

warning: unused macro definition: `mydbg`
   --> src/main.rs:142:14
    |
142 | macro_rules! mydbg {
    |              ^^^^^

ソースコード

diff #

#![allow(unused_parens)]
#![allow(unused_imports)]
#![allow(non_upper_case_globals)]
#![allow(non_snake_case)]
#![allow(unused_mut)]
#![allow(unused_variables)]
#![allow(dead_code)]

type Vec2<T> = Vec<Vec<T>>;
type Vec3<T> = Vec<Vec<Vec<T>>>;

#[allow(unused_macros)]
macro_rules! invec {
    ( $ t : ty ) => {{
        let mut s = String::new();
        match std::io::stdin().read_line(&mut s) {
            Ok(0) => Vec::<$t>::new(),
            Ok(n) => s
                .trim()
                .split_whitespace()
                .map(|s| s.parse::<$t>().unwrap())
                .collect::<Vec<$t>>(),
            Err(_) => Vec::<$t>::new(),
        }
    }};
}

#[allow(unused_macros)]
macro_rules! get {
      ($t:ty) => {
          {
              let mut line: String = String::new();
              std::io::stdin().read_line(&mut line).unwrap();
              line.trim().parse::<$t>().unwrap()
          }
      };
      ($($t:ty),*) => {
          {
              let mut line: String = String::new();
              std::io::stdin().read_line(&mut line).unwrap();
              let mut iter = line.split_whitespace();
              (
                  $(iter.next().unwrap().parse::<$t>().unwrap(),)*
              )
          }
      };
      ($t:ty; $n:expr) => {
          (0..$n).map(|_|
              get!($t)
          ).collect::<Vec<_>>()
      };
      ($($t:ty),*; $n:expr) => {
          (0..$n).map(|_|
              get!($($t),*)
          ).collect::<Vec<_>>()
      };
      ($t:ty ;;) => {
          {
              let mut line: String = String::new();
              std::io::stdin().read_line(&mut line).unwrap();
              line.split_whitespace()
                  .map(|t| t.parse::<$t>().unwrap())
                  .collect::<Vec<_>>()
          }
      };
      ($t:ty ;; $n:expr) => {
          (0..$n).map(|_| get!($t ;;)).collect::<Vec<_>>()
      };
}

#[allow(unused_macros)]
macro_rules! input {
    (source = $s:expr, $($r:tt)*) => {
        let mut iter = $s.split_whitespace();
        input_inner!{iter, $($r)*}
    };
    ($($r:tt)*) => {
        let mut s = {
            use std::io::Read;
            let mut s = String::new();
            std::io::stdin().read_to_string(&mut s).unwrap();
            s
        };
        let mut iter = s.split_whitespace();
        input_inner!{iter, $($r)*}
    };
}

macro_rules! input_inner {
    ($iter:expr) => {};
    ($iter:expr, ) => {};

    ($iter:expr, $var:ident : $t:tt $($r:tt)*) => {
        let $var = read_value!($iter, $t);
        input_inner!{$iter $($r)*}
    };
    ($iter:expr, mut $var:ident : $t:tt $($r:tt)*) => {
        let mut $var = read_value!($iter, $t);
        input_inner!{$iter $($r)*}
    };
}

#[allow(unused_macros)]
macro_rules! read_value {
    ($iter:expr, ( $($t:tt),* )) => {
        ( $(read_value!($iter, $t)),* )
    };

    ($iter:expr, [ $t:tt ; $len:expr ]) => {
        (0..$len).map(|_| read_value!($iter, $t)).collect::<Vec<_>>()
    };

    ($next:expr, [$t:tt]) => {
        {
            let len = read_value!($next, usize);
            (0..len).map(|_| read_value!($next, $t)).collect::<Vec<_>>()
        }
    };
    ($iter:expr, chars) => {
        read_value!($iter, String).chars().collect::<Vec<char>>()
    };

    ($iter:expr, usize1) => {
        read_value!($iter, usize) - 1
    };

    ($iter:expr, $t:ty) => {
        $iter.next().unwrap().parse::<$t>().expect("Parse error")
    };
}

#[allow(unused_macros)]
#[cfg(debug_assertions)]
macro_rules! mydbg {
    //($arg:expr) => (dbg!($arg))
    //($arg:expr) => (println!("{:?}",$arg));
      ($($a:expr),*) => {
          eprintln!(concat!($(stringify!($a), " = {:?}, "),*), $($a),*);
      }
}
#[cfg(not(debug_assertions))]
macro_rules! mydbg {
    ($($arg:expr),*) => {};
}

macro_rules! echo {
    ($($a:expr),*) => {
          $(println!("{}",$a))*
      }
}

use std::cmp::*;
use std::collections::*;
use std::ops::{Add, Div, Mul, Rem, Sub};

trait SafeRangeContain {
    fn safe_contains(&self, x: i64) -> bool;
}

impl SafeRangeContain for std::ops::Range<usize> {
    fn safe_contains(&self, x: i64) -> bool {
        if x < 0 {
            return false;
        }
        return self.contains(&(x as usize));
    }
}

#[allow(dead_code)]
static INF_I64: i64 = i64::max_value() / 2;
#[allow(dead_code)]
static INF_I32: i32 = i32::max_value() / 2;
#[allow(dead_code)]
static INF_USIZE: usize = usize::max_value() / 2;
#[allow(dead_code)]
static M_O_D: usize = 1000000007;
#[allow(dead_code)]
static PAI: f64 = 3.1415926535897932;

trait IteratorExt: Iterator {
    fn toVec(self) -> Vec<Self::Item>;
}

impl<T: Iterator> IteratorExt for T {
    fn toVec(self) -> Vec<Self::Item> {
        self.collect()
    }
}

trait CharExt {
    fn toNum(&self) -> usize;
    fn toAlphabetIndex(&self) -> usize;
    fn toNumIndex(&self) -> usize;
}
impl CharExt for char {
    fn toNum(&self) -> usize {
        return *self as usize;
    }
    fn toAlphabetIndex(&self) -> usize {
        return self.toNum() - 'a' as usize;
    }
    fn toNumIndex(&self) -> usize {
        return self.toNum() - '0' as usize;
    }
}

trait VectorExt {
    fn joinToString(&self, s: &str) -> String;
}
impl<T: ToString> VectorExt for Vec<T> {
    fn joinToString(&self, s: &str) -> String {
        return self
            .iter()
            .map(|x| x.to_string())
            .collect::<Vec<_>>()
            .join(s);
    }
}

trait StringExt {
    fn get_reverse(&self) -> String;
}
impl StringExt for String {
    fn get_reverse(&self) -> String {
        self.chars().rev().collect::<String>()
    }
}

trait UsizeExt {
    fn pow(&self, n: usize) -> usize;
}
impl UsizeExt for usize {
    fn pow(&self, n: usize) -> usize {
        return ((*self as u64).pow(n as u32)) as usize;
    }
}

fn main() {
    solve();
}

fn solve() {
    let N = get!(usize);
    let mut ans = N - 1;

    let mut p = 1;
    while p * (p + 1) <= N {
        p += 1;
    }
    for i in 2..60 {
        for p2 in (2..=p).rev() {
            let (ret, l) = f(p2, N, i);
            if ret {
                ans = p2;
            } else if l > i {
                p = p2 + 1;
                break;
            }
        }
    }
    echo!(ans);
}

fn f(p2: usize, n: usize, i: usize) -> (bool, usize) {
    let mut a = vec![];
    let mut n = n;
    while n > 0 {
        a.push(n % p2);
        n /= p2;
    }
    //mydbg!(a);
    if a.len() > i || !a.iter().all(|&x| x == a[0]) {
        return (false, a.len());
    }

    return (true, a.len());
}
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