結果
| 問題 |
No.1434 Make Maze
|
| コンテスト | |
| ユーザー |
fukafukatani
|
| 提出日時 | 2021-03-19 22:59:59 |
| 言語 | Rust (1.83.0 + proconio) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 2,655 bytes |
| コンパイル時間 | 14,811 ms |
| コンパイル使用メモリ | 390,568 KB |
| 実行使用メモリ | 9,856 KB |
| 最終ジャッジ日時 | 2024-11-19 00:34:04 |
| 合計ジャッジ時間 | 18,173 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 WA * 1 |
| other | AC * 11 WA * 19 |
コンパイルメッセージ
warning: variable `reduced` is assigned to, but never used --> src/main.rs:28:13 | 28 | let mut reduced = false; | ^^^^^^^ | = note: consider using `_reduced` instead = note: `#[warn(unused_variables)]` on by default warning: value assigned to `reduced` is never read --> src/main.rs:30:9 | 30 | reduced = true; | ^^^^^^^ | = help: maybe it is overwritten before being read? = note: `#[warn(unused_assignments)]` on by default
ソースコード
#![allow(unused_imports)]
use std::cmp::*;
use std::collections::*;
use std::io::Write;
use std::ops::Bound::*;
#[allow(unused_macros)]
macro_rules! debug {
($($e:expr),*) => {
#[cfg(debug_assertions)]
$({
let (e, mut err) = (stringify!($e), std::io::stderr());
writeln!(err, "{} = {:?}", e, $e).unwrap()
})*
};
}
fn main() {
let v = read_vec::<usize>();
let (mut h, mut w, x) = (v[0], v[1], v[2]);
let mut swapped = false;
if (w - 3) % 4 == 0 && (h - 3) % 4 != 0 {
swapped = true;
std::mem::swap(&mut h, &mut w);
}
let mut max_len = (h - 1) * (w + 1) / 2 + (w - 1);
let mut reduced = false;
if (w - 3) % 4 == 0 {
reduced = true;
max_len -= 2;
}
let min_len = h + w - 2;
if x < min_len || x > max_len {
println!("-1");
return;
}
if (x - min_len) % 4 != 0 {
println!("-1");
return;
}
debug!(min_len, max_len);
let mut used = vec![];
for x in 0..w {
if x % 2 == 0 {
continue;
}
if x % 4 == 1 {
for y in 0..h - 1 {
if y % 2 == 0 {
used.push((x, y));
}
}
} else {
for y in (1..h).rev() {
if y % 2 == 0 {
used.push((x, y));
}
}
}
}
debug!(used);
used.reverse();
let mut added = vec![];
let mut cur = max_len;
while cur > max_len {
let (x, y) = used.pop().unwrap();
if x % 4 == 1 {
added.push((x, y + 2));
} else {
added.push((x, y - 2));
}
cur -= 4;
}
used.append(&mut added);
let mut grid = vec![vec!['.'; w]; h];
for (x, y) in used {
grid[y][x] = '#';
}
for y in 0..h {
for x in 0..w {
if x % 2 == 1 && y % 2 == 1 {
grid[y][x] = '#';
}
}
}
if swapped {
for x in 0..w {
for y in 0..h {
print!("{}", grid[y][x]);
}
println!("");
}
} else {
for y in 0..h {
for x in 0..w {
print!("{}", grid[y][x]);
}
println!("");
}
}
}
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()
}
fn read_vec<T: std::str::FromStr>() -> Vec<T> {
read::<String>()
.split_whitespace()
.map(|e| e.parse().ok().unwrap())
.collect()
}
fukafukatani