#773418 (Rust) No.1988 Divisor Tiling

• 問題: No.1988 Divisor Tiling
• ユーザー: Moss_Local
• 提出日時: 2022-06-24 21:53:43
• 言語: Rust (1.83.0 + proconio)
• 結果: AC
• 実行時間: 11 ms / 2,000 ms
• コード長: 6,769 bytes
• コンパイル時間: 13,651 ms
• コンパイル使用メモリ: 381,216 KB
• 実行使用メモリ: 5,248 KB
• 最終ジャッジ日時: 2024-11-08 17:48:43
• 合計ジャッジ時間: 15,437 ms
• ジャッジサーバーID （参考情報）: judge5 / judge4

ファイルパターン	結果
sample	AC * 2
other	AC * 32

コンパイルメッセージ

warning: unnecessary parentheses around type
  --> src/main.rs:74:15
   |
74 | fn readi() -> (i64) {
   |               ^   ^
   |
   = note: `#[warn(unused_parens)]` on by default
help: remove these parentheses
   |
74 - fn readi() -> (i64) {
74 + fn readi() -> i64 {
   |

warning: use of deprecated function `std::intrinsics::drop_in_place`: no longer an intrinsic - use `ptr::drop_in_place` directly
  --> src/main.rs:17:22
   |
17 | use std::intrinsics::drop_in_place;
   |                      ^^^^^^^^^^^^^
   |
   = note: `#[warn(deprecated)]` on by default

warning: unused variable: `x`
   --> src/main.rs:221:9
    |
221 |     let x = n / odd;
    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
    |
    = note: `#[warn(unused_variables)]` on by default

ソースコード

// -*- coding:utf-8-unix -*-
// #![feature(map_first_last)]
#![allow(dead_code)]
#![allow(unused_imports)]
#![allow(unused_macros)]
use std::any::Any;
use std::cmp::Ordering::*;
use std::collections::*;
use std::convert::*;
use std::convert::{From, Into};
use std::error::Error;
use std::f64::consts::PI;
use std::fmt::Debug;
use std::fmt::Display;
use std::fs::File;
use std::hash::Hash;
use std::intrinsics::drop_in_place;
use std::io::prelude::*;
use std::io::*;
use std::iter::Filter;
use std::marker::Copy;
use std::mem::*;
use std::ops::Bound::*;
use std::ops::RangeBounds;
use std::ops::{Add, Mul, Neg, Sub};
use std::process;
use std::slice::from_raw_parts;
use std::str;
use std::vec;

const INF: i64 = 1223372036854775807;
const UINF: usize = INF as usize;
// const FINF: f64 = 122337203685.0;
const LINF: i64 = 2147483647;
const FINF: f64 = LINF as f64;
const INF128: i128 = 1223372036854775807000000000000;
// const MOD: i64 = 1000000007;
const MOD: i64 = 998244353;
const UMOD: usize = MOD as usize;

const MPI: f64 = 3.14159265358979323846264338327950288f64;
// const MOD: i64 = INF;

use std::cmp::*;
use std::collections::*;
use std::io::stdin;
use std::io::stdout;
use std::io::Write;

macro_rules! p {
    ($x:expr) => {
        println!("{}", $x);
    };
}
macro_rules! d {
    ($x:expr) => {
        println!("{:?}", $x);
    };
}

fn main() {
    solve();
}

// use str::Chars;
#[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 readi() -> (i64) {
    let mut str = String::new();
    let _ = stdin().read_line(&mut str).unwrap();
    let mut iter = str.split_whitespace();
    iter.next().unwrap().parse::<i64>().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: u32) -> Vec<Vec<T>> {
    (0..n).map(|_| read_vec()).collect()
}

#[allow(dead_code)]
fn readii() -> (i64, i64) {
    let mut str = String::new();
    let _ = stdin().read_line(&mut str).unwrap();
    let mut iter = str.split_whitespace();
    (
        iter.next().unwrap().parse::<i64>().unwrap(),
        iter.next().unwrap().parse::<i64>().unwrap(),
    )
}

fn readff() -> (f64, f64) {
    let mut str = String::new();
    let _ = stdin().read_line(&mut str).unwrap();
    let mut iter = str.split_whitespace();
    (
        iter.next().unwrap().parse::<f64>().unwrap(),
        iter.next().unwrap().parse::<f64>().unwrap(),
    )
}

#[allow(dead_code)]
fn readiii() -> (i64, i64, i64) {
    let mut str = String::new();
    let _ = stdin().read_line(&mut str).unwrap();
    let mut iter = str.split_whitespace();
    (
        iter.next().unwrap().parse::<i64>().unwrap(),
        iter.next().unwrap().parse::<i64>().unwrap(),
        iter.next().unwrap().parse::<i64>().unwrap(),
    )
}
#[allow(dead_code)]
fn readuu() -> (usize, usize) {
    let mut str = String::new();
    let _ = stdin().read_line(&mut str).unwrap();
    let mut iter = str.split_whitespace();
    (
        iter.next().unwrap().parse::<usize>().unwrap(),
        iter.next().unwrap().parse::<usize>().unwrap(),
    )
}

fn readcc() -> (char, char) {
    let mut str = String::new();
    let _ = stdin().read_line(&mut str).unwrap();
    let mut iter = str.split_whitespace();
    (
        iter.next().unwrap().parse::<char>().unwrap(),
        iter.next().unwrap().parse::<char>().unwrap(),
    )
}

fn readuuu() -> (usize, usize, usize) {
    let mut str = String::new();
    let _ = stdin().read_line(&mut str).unwrap();
    let mut iter = str.split_whitespace();
    (
        iter.next().unwrap().parse::<usize>().unwrap(),
        iter.next().unwrap().parse::<usize>().unwrap(),
        iter.next().unwrap().parse::<usize>().unwrap(),
    )
}
#[allow(dead_code)]
fn readiiii() -> (i64, i64, i64, i64) {
    let mut str = String::new();
    let _ = stdin().read_line(&mut str).unwrap();
    let mut iter = str.split_whitespace();
    (
        iter.next().unwrap().parse::<i64>().unwrap(),
        iter.next().unwrap().parse::<i64>().unwrap(),
        iter.next().unwrap().parse::<i64>().unwrap(),
        iter.next().unwrap().parse::<i64>().unwrap(),
    )
}

#[allow(dead_code)]
fn readuuuu() -> (usize, usize, usize, usize) {
    let mut str = String::new();
    let _ = stdin().read_line(&mut str).unwrap();
    let mut iter = str.split_whitespace();
    (
        iter.next().unwrap().parse::<usize>().unwrap(),
        iter.next().unwrap().parse::<usize>().unwrap(),
        iter.next().unwrap().parse::<usize>().unwrap(),
        iter.next().unwrap().parse::<usize>().unwrap(),
    )
}

fn divisors(n: usize) -> Vec<usize> {
    let mut divisors = Vec::new();
    // n := i * x とおくと、 i が i > root(n) の時、　i はすでに ある x に探索されているから
    // i <= root(n) まで探索すればよい
    for i in 1..=(f64::sqrt(n as f64) + 1e-9) as usize {
        // i で n が割り切れた場合
        if n % i == 0 {
            // 約数リストに格納
            divisors.push(i);

            // n := i * x の x を格納。ただし x := i の時は除く
            if i != n / i {
                divisors.push(n / i);
            }
        }
    }
    divisors.sort();
    divisors
}
fn solve() {
    let (n, h) = readuu();
    let mut d = divisors(n);
    d.pop();
    let mut odd = 0;
    for i in 0..d.len() {
        if d[i] % 2 == 1 {
            odd = d[i];
        }
    }
    // dbg!(d);
    let w = n / h;
    let mut h = h;
    let mut w = w;
    let mut swap_flg = false;
    if h > w {
        std::mem::swap(&mut h, &mut w);
        swap_flg = true;
    }

    let x = n / odd;
    // d!((x, h));
    // if x % h != 0 {
    //     p!(-1);
    //     return;
    // }

    let mut vv = vec![vec![0 as usize; (w) as usize]; (h) as usize];
    let mut idx = 0;
    let mut cnt = 0;
    for i in 0..h {
        for j in 0..w {
            vv[i][j] = d[idx];
            cnt += 1;
            if cnt == d[idx] {
                idx += 1;
                cnt = 0;
            }
        }
    }
    if swap_flg == false {
        for i in 0..h {
            for j in 0..w {
                if j != 0 {
                    print!(" ");
                }
                print!("{}", vv[i][j]);
            }
            println!();
        }
    } else {
        for i in 0..w {
            for j in 0..h {
                if j != 0 {
                    print!(" ");
                }
                print!("{}", vv[j][i]);
            }
            println!();
        }
    }
    return;
}