結果
| 問題 | No.2596 Christmas Eve (Heuristic ver.) |
| ユーザー |
 EvbCFfp1XB
|
| 提出日時 | 2023-12-24 23:14:17 |
| 言語 | Rust (1.83.0 + proconio) |
| 結果 |
AC
|
| 実行時間 | 1,202 ms / 1,224 ms |
| コード長 | 20,678 bytes |
| コンパイル時間 | 2,307 ms |
| コンパイル使用メモリ | 199,164 KB |
| 実行使用メモリ | 6,548 KB |
| スコア | 4,999,118 |
| 最終ジャッジ日時 | 2023-12-24 23:17:02 |
| 合計ジャッジ時間 | 164,669 ms |
|
ジャッジサーバーID （参考情報） |
judge15 / judge11 |
| 純コード判定しない問題か言語 |
（要ログイン）
| ファイルパターン | 結果 |
|---|---|
| other | AC * 125 |
ソースコード
use std::io;
pub mod random {
pub struct PcgXshRr {
state: u64,
}
impl PcgXshRr {
pub fn new(state: u64) -> Self {
PcgXshRr { state }
}
pub fn next_int(&mut self) -> u32 {
let oldstate = self.state;
self.state = oldstate * 6364136223846793005u64 + 521u64;
let xorshift: u32 = (((oldstate >> 18) ^ oldstate) >> 27) as u32;
let rotation: u32 = (oldstate >> 59) as u32;
return (xorshift >> rotation) | (xorshift << ((-1 * rotation as i32) & 31));
}
pub fn next_double(&mut self) -> f64 {
return (self.next_int() as f64) * 0.00000000023283064365386963;
}
pub fn gen(&mut self) -> usize {
return self.next_int() as usize;
}
}
}
fn get_time() -> f64 {
static mut START: f64 = -1.0;
let time = std::time::SystemTime::now()
.duration_since(std::time::UNIX_EPOCH)
.unwrap()
.as_secs_f64();
unsafe {
if START < 0.0 {
START = time;
}
time - START
}
}
fn main() {
get_time();
let mut input_line = String::new();
io::stdin().read_line(&mut input_line).unwrap();
let mut iter = input_line.split_whitespace();
let n: usize = iter.next().unwrap().parse().unwrap();
let k: usize = iter.next().unwrap().parse().unwrap();
let mut a = vec![0; n];
let mut b = vec![0; n];
let mut c = vec![0; 2 * n];
let mut d = vec![0; 2 * n];
let mut e = vec![0; n];
let mut f = vec![0; n];
input_line.clear();
io::stdin().read_line(&mut input_line).unwrap();
let mut iter = input_line.split_whitespace();
for i in 0..n {
a[i] = iter.next().unwrap().parse().unwrap();
}
input_line.clear();
io::stdin().read_line(&mut input_line).unwrap();
let mut iter = input_line.split_whitespace();
for i in 0..n {
b[i] = iter.next().unwrap().parse().unwrap();
}
input_line.clear();
io::stdin().read_line(&mut input_line).unwrap();
let mut iter = input_line.split_whitespace();
for i in 0..(2 * n) {
c[i] = iter.next().unwrap().parse().unwrap();
}
input_line.clear();
io::stdin().read_line(&mut input_line).unwrap();
let mut iter = input_line.split_whitespace();
for i in 0..(2 * n) {
d[i] = iter.next().unwrap().parse().unwrap();
}
input_line.clear();
io::stdin().read_line(&mut input_line).unwrap();
let mut iter = input_line.split_whitespace();
for i in 0..n {
e[i] = iter.next().unwrap().parse().unwrap();
}
input_line.clear();
io::stdin().read_line(&mut input_line).unwrap();
let mut iter = input_line.split_whitespace();
for i in 0..n {
f[i] = iter.next().unwrap().parse().unwrap();
}
let mut rng = random::PcgXshRr::new(5342);
let mut u = (0..n).collect::<Vec<_>>();
let mut x = (0..n).collect::<Vec<_>>();
u.sort_by_key(|&i| a[i]);
x.sort_by_key(|&i| e[i]);
let mut vw = (0..2 * n).collect::<Vec<_>>();
vw.sort_by_key(|&i| c[i]);
let mut v = (0..2 * n)
.step_by(2)
.map(|i| vw[i])
.skip(n - k)
.chain((0..2 * n).step_by(2).map(|i| vw[i]).take(n - k))
.collect::<Vec<_>>();
let mut w = (1..2 * n)
.step_by(2)
.map(|i| vw[i])
.skip(n - k)
.chain((1..2 * n).step_by(2).map(|i| vw[i]).take(n - k))
.collect::<Vec<_>>();
let mut heights = (0..n)
.map(|i| a[u[i]] + c[v[i]] + c[w[i]] + e[x[i]])
.collect::<Vec<_>>();
for i in 0..k {
for j in i + 1..k {
if heights[j - 1] > heights[j] {
u.swap(j - 1, j);
v.swap(j - 1, j);
w.swap(j - 1, j);
x.swap(j - 1, j);
heights.swap(j - 1, j);
}
}
}
{
let start_temperature = 2e1;
let end_temperature = 1e-9;
let mut temperature = start_temperature;
let max_iterations = 1e5 as usize;
for iterations in 0..max_iterations {
if (iterations & ((1 << 7) - 1)) == ((1 << 7) - 1) {
temperature = end_temperature
+ (start_temperature - end_temperature) * (max_iterations - iterations) as f64
/ (max_iterations) as f64;
}
let uvx = rng.gen() % 3;
if uvx == 0 {
let i = rng.gen() % k;
let mut j = rng.gen() % (n - 1);
if j >= i {
j += 1;
}
if e[x[i]] < a[u[j]] && a[u[j]] < c[v[i]] {
} else {
continue;
}
if j < k {
if e[x[j]] < a[u[i]] && a[u[i]] < c[v[j]] {
} else {
continue;
}
}
let height_i = b[u[j]] + d[v[i]] + d[w[i]] + f[x[i]];
let height_j = b[u[i]] + d[v[j]] + d[w[j]] + f[x[j]];
let mut max = heights[k - 1].max(height_i);
if j < k {
max = max.max(height_j);
}
let mut min = heights[0].min(height_i);
if j < k {
min = min.min(height_j);
}
let delta_score = (40000 - (max - min)) - (40000 - (heights[k - 1] - heights[0]));
if delta_score >= 0
|| (delta_score as f64 / temperature >= -10.0
&& rng.next_double() < (delta_score as f64 / temperature).exp())
{
u.swap(i, j);
heights[i] = height_i;
heights[j] = height_j;
sort(k, &mut u, &mut v, &mut w, &mut x, &mut heights);
}
} else if uvx == 1 {
let i = rng.gen() % k;
let mut j = rng.gen() % (n - 1);
if j >= i {
j += 1;
}
let vw1 = rng.gen() % 2;
let vw2 = rng.gen() % 2;
if vw1 == 0 {
if vw2 == 0 {
v.swap(i, j);
} else {
let swap = v[i];
v[i] = w[j];
w[j] = swap;
}
} else {
if vw2 == 0 {
let swap = w[i];
w[i] = v[j];
v[j] = swap;
} else {
w.swap(i, j);
}
}
if a[u[i]] < c[v[i]].min(c[w[i]]) {
} else {
if vw1 == 0 {
if vw2 == 0 {
v.swap(i, j);
} else {
let swap = v[i];
v[i] = w[j];
w[j] = swap;
}
} else {
if vw2 == 0 {
let swap = w[i];
w[i] = v[j];
v[j] = swap;
} else {
w.swap(i, j);
}
}
continue;
}
if j < k {
if a[u[j]] < c[v[j]].min(c[w[j]]) {
} else {
if vw1 == 0 {
if vw2 == 0 {
v.swap(i, j);
} else {
let swap = v[i];
v[i] = w[j];
w[j] = swap;
}
} else {
if vw2 == 0 {
let swap = w[i];
w[i] = v[j];
v[j] = swap;
} else {
w.swap(i, j);
}
}
continue;
}
}
let height_i = b[u[i]] + d[v[i]] + d[w[i]] + f[x[i]];
let height_j = b[u[j]] + d[v[j]] + d[w[j]] + f[x[j]];
let mut max = heights[k - 1].max(height_i);
if j < k {
max = max.max(height_j);
}
let mut min = heights[0].min(height_i);
if j < k {
min = min.min(height_j);
}
let delta_score = (40000 - (max - min)) - (40000 - (heights[k - 1] - heights[0]));
if delta_score >= 0
|| (delta_score as f64 / temperature >= -10.0
&& rng.next_double() < (delta_score as f64 / temperature).exp())
{
if c[v[i]] > c[w[i]] {
let swap = v[i];
v[i] = w[i];
w[i] = swap;
}
if c[v[j]] > c[w[j]] {
let swap = v[j];
v[j] = w[j];
w[j] = swap;
}
heights[i] = height_i;
heights[j] = height_j;
sort(k, &mut u, &mut v, &mut w, &mut x, &mut heights);
} else {
if vw1 == 0 {
if vw2 == 0 {
v.swap(i, j);
} else {
let swap = v[i];
v[i] = w[j];
w[j] = swap;
}
} else {
if vw2 == 0 {
let swap = w[i];
w[i] = v[j];
v[j] = swap;
} else {
w.swap(i, j);
}
}
}
} else if uvx == 2 {
let i = rng.gen() % k;
let mut j = rng.gen() % (n - 1);
if j >= i {
j += 1;
}
if e[x[j]] < a[u[i]] {
} else {
continue;
}
if j < k {
if e[x[i]] < a[u[j]] {
} else {
continue;
}
}
let height_i = b[u[i]] + d[v[i]] + d[w[i]] + f[x[j]];
let height_j = b[u[j]] + d[v[j]] + d[w[j]] + f[x[i]];
let mut max = heights[k - 1].max(height_i);
if j < k {
max = max.max(height_j);
}
let mut min = heights[0].min(height_i);
if j < k {
min = min.min(height_j);
}
let delta_score = (40000 - (max - min)) - (40000 - (heights[k - 1] - heights[0]));
if delta_score >= 0
|| (delta_score as f64 / temperature >= -10.0
&& rng.next_double() < (delta_score as f64 / temperature).exp())
{
x.swap(i, j);
heights[i] = height_i;
heights[j] = height_j;
sort(k, &mut u, &mut v, &mut w, &mut x, &mut heights);
}
}
}
}
{
let start_temperature = 2e1;
let end_temperature = 1e-9;
let mut temperature = start_temperature;
let start_time = get_time();
let end_time = 1.2;
for iterations in 0.. {
if (iterations & ((1 << 7) - 1)) == ((1 << 7) - 1) {
let time = get_time();
if time > end_time {
break;
}
temperature = end_temperature
+ (start_temperature - end_temperature) * (end_time - time) as f64
/ (end_time - start_time) as f64;
}
let uvx = rng.gen() % 3;
if uvx == 0 {
let i = (rng.gen() % 2 + (k - 1)) % k;
let mut j = rng.gen() % (n - 1);
if j >= i {
j += 1;
}
if e[x[i]] < a[u[j]] && a[u[j]] < c[v[i]] {
} else {
continue;
}
if j < k {
if e[x[j]] < a[u[i]] && a[u[i]] < c[v[j]] {
} else {
continue;
}
}
let height_i = b[u[j]] + d[v[i]] + d[w[i]] + f[x[i]];
let height_j = b[u[i]] + d[v[j]] + d[w[j]] + f[x[j]];
let mut max = heights[k - 1].max(height_i);
if j < k {
max = max.max(height_j);
}
let mut min = heights[0].min(height_i);
if j < k {
min = min.min(height_j);
}
let delta_score = (40000 - (max - min)) - (40000 - (heights[k - 1] - heights[0]));
if delta_score >= 0
|| (delta_score as f64 / temperature >= -10.0
&& rng.next_double() < (delta_score as f64 / temperature).exp())
{
u.swap(i, j);
heights[i] = height_i;
heights[j] = height_j;
sort(k, &mut u, &mut v, &mut w, &mut x, &mut heights);
}
} else if uvx == 1 {
let i = (rng.gen() % 2 + (k - 1)) % k;
let mut j = rng.gen() % (n - 1);
if j >= i {
j += 1;
}
let vw1 = rng.gen() % 2;
let vw2 = rng.gen() % 2;
if vw1 == 0 {
if vw2 == 0 {
v.swap(i, j);
} else {
let swap = v[i];
v[i] = w[j];
w[j] = swap;
}
} else {
if vw2 == 0 {
let swap = w[i];
w[i] = v[j];
v[j] = swap;
} else {
w.swap(i, j);
}
}
if a[u[i]] < c[v[i]].min(c[w[i]]) {
} else {
if vw1 == 0 {
if vw2 == 0 {
v.swap(i, j);
} else {
let swap = v[i];
v[i] = w[j];
w[j] = swap;
}
} else {
if vw2 == 0 {
let swap = w[i];
w[i] = v[j];
v[j] = swap;
} else {
w.swap(i, j);
}
}
continue;
}
if j < k {
if a[u[j]] < c[v[j]].min(c[w[j]]) {
} else {
if vw1 == 0 {
if vw2 == 0 {
v.swap(i, j);
} else {
let swap = v[i];
v[i] = w[j];
w[j] = swap;
}
} else {
if vw2 == 0 {
let swap = w[i];
w[i] = v[j];
v[j] = swap;
} else {
w.swap(i, j);
}
}
continue;
}
}
let height_i = b[u[i]] + d[v[i]] + d[w[i]] + f[x[i]];
let height_j = b[u[j]] + d[v[j]] + d[w[j]] + f[x[j]];
let mut max = heights[k - 1].max(height_i);
if j < k {
max = max.max(height_j);
}
let mut min = heights[0].min(height_i);
if j < k {
min = min.min(height_j);
}
let delta_score = (40000 - (max - min)) - (40000 - (heights[k - 1] - heights[0]));
if delta_score >= 0
|| (delta_score as f64 / temperature >= -10.0
&& rng.next_double() < (delta_score as f64 / temperature).exp())
{
if c[v[i]] > c[w[i]] {
let swap = v[i];
v[i] = w[i];
w[i] = swap;
}
if c[v[j]] > c[w[j]] {
let swap = v[j];
v[j] = w[j];
w[j] = swap;
}
heights[i] = height_i;
heights[j] = height_j;
sort(k, &mut u, &mut v, &mut w, &mut x, &mut heights);
} else {
if vw1 == 0 {
if vw2 == 0 {
v.swap(i, j);
} else {
let swap = v[i];
v[i] = w[j];
w[j] = swap;
}
} else {
if vw2 == 0 {
let swap = w[i];
w[i] = v[j];
v[j] = swap;
} else {
w.swap(i, j);
}
}
}
} else if uvx == 2 {
let i = (rng.gen() % 2 + (k - 1)) % k;
let mut j = rng.gen() % (n - 1);
if j >= i {
j += 1;
}
if e[x[j]] < a[u[i]] {
} else {
continue;
}
if j < k {
if e[x[i]] < a[u[j]] {
} else {
continue;
}
}
let height_i = b[u[i]] + d[v[i]] + d[w[i]] + f[x[j]];
let height_j = b[u[j]] + d[v[j]] + d[w[j]] + f[x[i]];
let mut max = heights[k - 1].max(height_i);
if j < k {
max = max.max(height_j);
}
let mut min = heights[0].min(height_i);
if j < k {
min = min.min(height_j);
}
let delta_score = (40000 - (max - min)) - (40000 - (heights[k - 1] - heights[0]));
if delta_score >= 0
|| (delta_score as f64 / temperature >= -10.0
&& rng.next_double() < (delta_score as f64 / temperature).exp())
{
x.swap(i, j);
heights[i] = height_i;
heights[j] = height_j;
sort(k, &mut u, &mut v, &mut w, &mut x, &mut heights);
}
}
}
}
eprint!(
"score : {}, time : {}",
40000 - (heights[k - 1] - heights[0]),
get_time()
);
for i in 0..k {
println!("{} {} {} {}", u[i] + 1, v[i] + 1, w[i] + 1, x[i] + 1);
}
}
fn sort(
k: usize,
u: &mut [usize],
v: &mut [usize],
w: &mut [usize],
x: &mut [usize],
heights: &mut [i32],
) {
for _ in 0..2 {
for b in 1..k {
let a = b - 1;
if heights[a] > heights[b] {
u.swap(a, b);
v.swap(a, b);
w.swap(a, b);
x.swap(a, b);
heights.swap(a, b);
}
}
}
for _ in 0..2 {
for b in (1..k).rev() {
let a = b - 1;
if heights[a] > heights[b] {
u.swap(a, b);
v.swap(a, b);
w.swap(a, b);
x.swap(a, b);
heights.swap(a, b);
}
}
}
}