結果
| 問題 |
No.675 ドットちゃんたち
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2019-06-23 16:50:43 |
| 言語 | Rust (1.83.0 + proconio) |
| 結果 |
AC
|
| 実行時間 | 159 ms / 2,000 ms |
| コード長 | 2,267 bytes |
| コンパイル時間 | 17,229 ms |
| コンパイル使用メモリ | 380,588 KB |
| 実行使用メモリ | 15,872 KB |
| 最終ジャッジ日時 | 2024-12-26 14:03:19 |
| 合計ジャッジ時間 | 15,642 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 4 |
| other | AC * 8 |
ソースコード
#[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(_) => s.trim().split_whitespace().map(|s| s.parse::<$t>().unwrap()).collect::<Vec<$t>>(),
Err(_) => Vec::<$t>::new(),
}
}}
}
#[allow(unused_macros)]
macro_rules! input {
( $($t:ty),* ) => {{
let mut s = String::new();
std::io::stdin().read_line(&mut s);
let mut splits = s.trim().split_whitespace();
($(
{
splits.next().unwrap().parse::<$t>().unwrap()
},
)*)
}}
}
type Mat33 = [[i64; 3]; 3];
const ROTATION: Mat33 = [[0, 1, 0], [-1, 0, 0], [0, 0, 1]];
fn input_command() -> Mat33 {
let commands = invec!(i64);
if commands.len() > 1 {
let command = commands[0];
let pos = commands[1];
match command {
1 => [[1, 0, pos], [0, 1, 0], [0, 0, 1]],
2 => [[1, 0, 0], [0, 1, pos], [0, 0, 1]],
_ => panic!(""),
}
} else {
ROTATION
}
}
fn multiple_mat33(a: Mat33, b: Mat33) -> Mat33 {
let mut c = [[0; 3]; 3];
for i in 0..3 {
for j in 0..3 {
for k in 0..3 {
c[i][j] += a[i][k] * b[k][j];
}
}
}
c
}
fn multiple_mat33_vec(m: Mat33, v: [i64; 3]) -> [i64; 3] {
let mut a = [0; 3];
for i in 0..3 {
for j in 0..3 {
a[i] += m[i][j] * v[j];
}
}
a
}
#[allow(unused_must_use)]
#[allow(unused_variables)]
fn solve() {
let (n, px, py) = input!(usize, i64, i64);
let mut commands = Vec::<Mat33>::with_capacity(n);
for i in 0..n {
commands.push(input_command());
}
let mut multi_mats = Vec::<Mat33>::with_capacity(n);
let mut current_mat = [[1, 0, 0], [0, 1, 0], [0, 0, 1]];
for command in commands.iter().rev() {
let mat = multiple_mat33(current_mat, *command);
multi_mats.push(mat);
current_mat = mat;
}
multi_mats.reverse();
for mat in multi_mats {
let v = multiple_mat33_vec(mat, [px, py, 1]);
println!("{} {}", v[0], v[1]);
}
}
fn main() {
solve();
}