結果
| 問題 |
No.3334 I hate Image Convolution
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2025-11-11 17:42:58 |
| 言語 | Rust (1.83.0 + proconio) |
| 結果 |
AC
|
| 実行時間 | 71 ms / 3,000 ms |
| コード長 | 3,052 bytes |
| コンパイル時間 | 14,179 ms |
| コンパイル使用メモリ | 404,044 KB |
| 実行使用メモリ | 9,616 KB |
| 最終ジャッジ日時 | 2025-11-11 17:43:32 |
| 合計ジャッジ時間 | 33,978 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 56 |
ソースコード
use fio::*;
fn solve(n: usize, mut a: Vec<i32>) -> Vec<Vec<i32>> {
let mut ret = vec![vec![0; n]; n];
a.sort();
for r in 0..n - 1 {
for c in 0..n - 1 {
let idx = r * (n - 1) + c;
let delta = a[idx] - if idx == 0 { 0 } else { a[idx - 1] };
ret[r + 1][c + 1] += delta;
if r + 2 < n {
ret[r + 2][(c + 1) % 2] += delta;
ret[r + 2][c + 1] -= delta;
}
}
}
for r in 0..n {
for c in 0..n {
if r >= 2 {
ret[r][c] += ret[r - 2][c];
}
if c >= 2 {
ret[r][c] += ret[r][c - 2];
}
if r >= 2 && c >= 2 {
ret[r][c] -= ret[r - 2][c - 2];
}
}
}
ret
}
fn main() {
let t = read::<usize>();
for _ in 0..t {
let n = read::<usize>();
let a = read_vec::<i32>();
assert_eq!((n - 1) * (n - 1), a.len());
let ret = solve(n, a);
for r in ret {
for c in r {
print!("{} ", c);
}
println!();
}
}
}
mod fio {
use std::{
cell::RefCell,
convert::TryInto,
fmt::Debug,
io::{BufRead, BufWriter, StdinLock, StdoutLock, stdin, stdout},
str::FromStr,
};
thread_local! {
pub static STDIN: RefCell<StdinLock<'static>> = RefCell::new(stdin().lock());
pub static STDOUT: RefCell<BufWriter<StdoutLock<'static>>> = RefCell::new(BufWriter::new(stdout().lock()));
}
#[allow(dead_code)]
pub fn read<T: FromStr>() -> T
where
<T as FromStr>::Err: Debug,
{
read_line().parse().unwrap()
}
#[allow(dead_code)]
pub fn read_vec<T: FromStr>() -> Vec<T>
where
<T as FromStr>::Err: Debug,
{
read_line()
.split_whitespace()
.map(|x| x.parse().unwrap())
.collect()
}
#[allow(dead_code)]
pub fn read_tuple<T, const N: usize>() -> [T; N]
where
T: FromStr + Debug,
<T as FromStr>::Err: Debug,
{
read_vec::<T>().try_into().unwrap()
}
/// whitespace at the end of the line is ignored
pub fn read_line() -> String {
let mut s = String::new();
STDIN.with(|cell| {
cell.borrow_mut().read_line(&mut s).unwrap();
});
String::from_str(s.trim_end()).unwrap()
}
}
#[macro_export]
macro_rules! print {
($($t:tt)*) => {
fio::STDOUT.with(|cell|{
use std::io::Write;
write!(cell.borrow_mut(), $($t)*).unwrap()
})};
}
#[macro_export]
macro_rules! println {
($($t:tt)*) => {
fio::STDOUT.with(|cell| {
use std::io::Write;
writeln!(cell.borrow_mut(), $($t)*).unwrap()
})
};
}
#[macro_export]
macro_rules! flush {
() => {
fio::STDOUT.with(|cell| {
use std::io::Write;
cell.borrow_mut().flush().unwrap()
});
};
}