結果
問題 | No.1318 ABCD quadruplets |
ユーザー | fukafukatani |
提出日時 | 2020-12-17 00:37:57 |
言語 | Rust (1.77.0 + proconio) |
結果 |
TLE
|
実行時間 | - |
コード長 | 4,047 bytes |
コンパイル時間 | 12,900 ms |
コンパイル使用メモリ | 403,104 KB |
実行使用メモリ | 32,388 KB |
最終ジャッジ日時 | 2024-09-20 05:35:55 |
合計ジャッジ時間 | 16,992 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 1 ms
10,624 KB |
testcase_01 | AC | 1 ms
5,248 KB |
testcase_02 | AC | 1 ms
5,376 KB |
testcase_03 | AC | 1 ms
5,376 KB |
testcase_04 | AC | 1 ms
5,376 KB |
testcase_05 | AC | 1 ms
5,376 KB |
testcase_06 | AC | 1 ms
5,376 KB |
testcase_07 | AC | 1 ms
5,376 KB |
testcase_08 | AC | 1 ms
5,376 KB |
testcase_09 | AC | 1 ms
5,376 KB |
testcase_10 | AC | 1 ms
5,376 KB |
testcase_11 | AC | 1 ms
5,376 KB |
testcase_12 | AC | 1 ms
5,376 KB |
testcase_13 | TLE | - |
testcase_14 | -- | - |
testcase_15 | -- | - |
testcase_16 | -- | - |
testcase_17 | -- | - |
testcase_18 | -- | - |
testcase_19 | -- | - |
testcase_20 | -- | - |
testcase_21 | -- | - |
testcase_22 | -- | - |
testcase_23 | -- | - |
testcase_24 | -- | - |
testcase_25 | -- | - |
testcase_26 | -- | - |
testcase_27 | -- | - |
testcase_28 | -- | - |
testcase_29 | -- | - |
testcase_30 | -- | - |
testcase_31 | -- | - |
testcase_32 | -- | - |
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 (n, m) = (v[0], v[1]); let mut coefs = vec![vec![0; n + 1]; m * 3 + 1]; for a in 0..=m { for b in 0..=m { for c in 0..=m { let k = a * a + b * b + c * c + a * c + b * c + b * a; if k <= n { coefs[a + b + c][k] += 1; } } } } // debug!(coefs); let mut answers = vec![0; 10 * n + 1]; for coef in 0..=3 * m { let mut k1 = vec![0; n + 1]; for d in 0..=m { if d * d + coef * d > n { break; } k1[d * d + coef * d] += 1; } let result = multiply(&k1, &coefs[coef], 0); for i in 0..=n { answers[i] += result[i]; } } for ans in answers.into_iter().take(n + 1) { println!("{}", ans); } } fn karatsuba<T>(a: &[T], b: &[T], c: &mut [T], zero: T, buf: &mut [T]) where T: std::marker::Copy + std::ops::Add<Output = T> + std::ops::Sub<Output = T> + std::ops::Mul<Output = T>, { assert!(a.len() == b.len()); let n = a.len(); if n <= 16 { for (i, a) in a.iter().enumerate() { for (c, b) in c[i..].iter_mut().zip(b.iter()) { *c = *c + *a * *b; } } return; } if n & 1 == 1 { karatsuba(&a[1..], &b[1..], &mut c[2..], zero, buf); let x = a[0]; let y = b[0]; c[0] = c[0] + x * y; for (c, (a, b)) in c[1..].iter_mut().zip(a[1..].iter().zip(b[1..].iter())) { *c = *c + x * *b + *a * y; } return; } let m = n / 2; let (fa, ta) = a.split_at(m); let (fb, tb) = b.split_at(m); karatsuba(fa, fb, &mut c[..n], zero, buf); karatsuba(ta, tb, &mut c[n..], zero, buf); let (x, buf) = buf.split_at_mut(m); let (y, buf) = buf.split_at_mut(m); let (z, buf) = buf.split_at_mut(n); for z in z.iter_mut() { *z = zero; } for (x, (p, q)) in x.iter_mut().zip(fa.iter().zip(ta.iter())) { *x = *p + *q; } for (y, (p, q)) in y.iter_mut().zip(fb.iter().zip(tb.iter())) { *y = *p + *q; } karatsuba(x, y, z, zero, buf); for (z, (p, q)) in z.iter_mut().zip(c[..n].iter().zip(c[n..].iter())) { *z = *z - (*p + *q); } for (c, z) in c[m..].iter_mut().zip(z.iter()) { *c = *c + *z; } } fn multiply<T>(a: &[T], b: &[T], zero: T) -> Vec<T> where T: std::marker::Copy + std::ops::Add<Output = T> + std::ops::Sub<Output = T> + std::ops::Mul<Output = T>, { let mut i = 0; let mut j = 0; let mut ans = vec![zero; a.len() + b.len()]; let mut buf = vec![zero; 4 * std::cmp::min(a.len(), b.len())]; let mut c = Vec::with_capacity(a.len() + b.len()); while i < a.len() && j < b.len() { let x = a.len() - i; let y = b.len() - j; let z = std::cmp::min(x, y); c.clear(); c.resize(2 * z, zero); karatsuba(&a[i..(i + z)], &b[j..(j + z)], &mut c, zero, &mut buf); for (ans, c) in ans[(i + j)..].iter_mut().zip(c.iter()) { *ans = *ans + *c; } if x <= y { j += x; } else { i += y; } } ans.truncate(a.len() + b.len() - 1); ans } 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() }