結果

問題 No.1953 ８
コンテスト
ユーザー bqn
提出日時 2022-05-26 00:58:25
言語 Rust
(1.83.0 + proconio)
結果
AC  
実行時間 2 ms / 2,000 ms
コード長 7,599 bytes
コンパイル時間 12,505 ms
コンパイル使用メモリ 379,896 KB
実行使用メモリ 5,376 KB
最終ジャッジ日時 2024-09-20 14:53:52
合計ジャッジ時間 16,219 ms
ジャッジサーバーID
（参考情報） 		judge4 / judge2
このコードへのチャレンジ
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ファイルパターン 結果
other AC * 30
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: value assigned to `ans` is never read
   --> src/main.rs:270:13
    |
270 |     let mut ans: usize = 0;
    |             ^^^
    |
    = help: maybe it is overwritten before being read?
    = note: `#[warn(unused_assignments)]` on by default

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 mut ans: u64 = 0;

    let K = get!(usize);
    let mut l = 0;
    let mut r = 10_usize.pow(18) * 3;
    mydbg!(K, l, r);

    while l + 1 != r {
        let m = (l + r) / 2;
        if f(m) <= K {
            l = m;
        } else {
            r = m;
        }
    }
    mydbg!(K, l, r, f(l), f(r));
    if f(l) == K {
        echo!(l);
    } else {
        echo!(-1);
    }
}

fn f(m: usize) -> usize {
    let mut A = m.to_string().chars().map(|x| x.toNumIndex()).toVec();

    let M = A.len();
    let mut ans: usize = 0;
    let mut dp = vec![vec![0_usize; 2]; M + 1];
    let B = [1_usize, 0, 0, 0, 1, 0, 1, 0, 2, 1];

    dp[1][1] = A[0] - 1;
    dp[1][0] = 1;
    let mut sum = vec![vec![0_usize; 2]; M + 1];
    for d in 1..=9 {
        if d < A[0] {
            sum[1][1] += 1 * B[d];
        } else if d == A[0] {
            sum[1][0] += 1 * B[d];
        }
    }

    for i in 1..M {
        let ni = i + 1;
        {
            for d in 1..=9 {
                dp[ni][1] += 1;
                //sum[ni][1][1][d] += 1;
                sum[ni][1] += 1 * B[d];
            }
        }
        {
            let mut j = 0;

            for d in 0..=9 {
                if d < A[i] {
                    dp[ni][1] += dp[i][j];
                    sum[ni][1] += sum[i][j] + dp[i][j] * B[d];
                } else if d == A[i] {
                    dp[ni][0] += dp[i][j];
                    sum[ni][0] += sum[i][j] + dp[i][j] * B[d];
                }
            }
        }
        {
            let j = 1;
            for d in 0..=9 {
                dp[ni][1] += dp[i][j];
                sum[ni][1] += sum[i][j] + dp[i][j] * B[d];
            }
        }
    }

    ans = sum[M][0] + sum[M][1];

    // mydbg!(m, ans, dp[M]);

    return ans;
}
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