結果
| 問題 |
No.1036 Make One With GCD 2
|
| コンテスト | |
| ユーザー |
 ziita
|
| 提出日時 | 2020-04-24 22:38:41 |
| 言語 | Rust (1.83.0 + proconio) |
| 結果 |
CE
(最新)
AC
(最初)
|
| 実行時間 | - |
| コード長 | 7,035 bytes |
| コンパイル時間 | 12,462 ms |
| コンパイル使用メモリ | 380,320 KB |
| 最終ジャッジ日時 | 2024-11-14 22:27:55 |
| 合計ジャッジ時間 | 15,095 ms |
|
ジャッジサーバーID （参考情報） |
judge5 / judge4 |
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コンパイルエラー時のメッセージ・ソースコードは、提出者また管理者しか表示できないようにしております。（リジャッジ後のコンパイルエラーは公開されます）
ただし、clay言語の場合は開発者のデバッグのため、公開されます。
ただし、clay言語の場合は開発者のデバッグのため、公開されます。
コンパイルメッセージ
error: expected one of `!`, `(`, `...`, `..=`, `..`, `::`, `:`, `{`, or `|`, found `,`
--> src/main.rs:103:20
|
103 | fn fold(Self::T, Self::T) -> Self::T;
| ^ expected one of 9 possible tokens
|
= note: anonymous parameters are removed in the 2018 edition (see RFC 1685)
help: explicitly ignore the parameter name
|
103 | fn fold(_: Self::T, Self::T) -> Self::T;
| ~~~~~~~~~~
error: expected one of `!`, `(`, `...`, `..=`, `..`, `::`, `:`, `{`, or `|`, found `)`
--> src/main.rs:103:29
|
103 | fn fold(Self::T, Self::T) -> Self::T;
| ^ expected one of 9 possible tokens
|
= note: anonymous parameters are removed in the 2018 edition (see RFC 1685)
help: explicitly ignore the parameter name
|
103 | fn fold(Self::T, _: Self::T) -> Self::T;
| ~~~~~~~~~~
error: expected one of `!`, `(`, `...`, `..=`, `..`, `::`, `:`, `{`, or `|`, found `,`
--> src/main.rs:104:20
|
104 | fn eval(Self::T, Self::E) -> Self::T;
| ^ expected one of 9 possible tokens
|
= note: anonymous parameters are removed in the 2018 edition (see RFC 1685)
help: explicitly ignore the parameter name
|
104 | fn eval(_: Self::T, Self::E) -> Self::T;
| ~~~~~~~~~~
error: expected one of `!`, `(`, `...`, `..=`, `..`, `::`, `:`, `{`, or `|`, found `)`
--> src/main.rs:104:29
|
104 | fn eval(Self::T, Self::E) -> Self::T;
| ^ expected one of 9 possible tokens
|
= note: anonymous parameters are removed in the 2018 edition (see RFC 1685)
help: explicitly ignore the parameter name
|
104 | fn eval(Self::T, _: Self::E) -> Self::T;
| ~~~~~~~~~~
error: expected one of `!`, `(`, `...`, `..=`, `..`, `::`, `:`, `{`, or `|`, found `,`
--> src/main.rs:105:21
|
105 | fn merge(Self::E, Self::E) -> Self::E;
|
ソースコード
#![allow(unused_imports)]
#![allow(non_snake_case, unused)]
use std::cmp::*;
use std::collections::*;
use std::ops::*;
macro_rules! eprint {
($($t:tt)*) => {{
use ::std::io::Write;
let _ = write!(::std::io::stderr(), $($t)*);
}};
}
macro_rules! eprintln {
() => { eprintln!(""); };
($($t:tt)*) => {{
use ::std::io::Write;
let _ = writeln!(::std::io::stderr(), $($t)*);
}};
}
macro_rules! dbg {
($v:expr) => {{
let val = $v;
eprintln!("[{}:{}] {} = {:?}", file!(), line!(), stringify!($v), val);
val
}}
}
macro_rules! mat {
($($e:expr),*) => { Vec::from(vec![$($e),*]) };
($($e:expr,)*) => { Vec::from(vec![$($e),*]) };
($e:expr; $d:expr) => { Vec::from(vec![$e; $d]) };
($e:expr; $d:expr $(; $ds:expr)+) => { Vec::from(vec![mat![$e $(; $ds)*]; $d]) };
}
macro_rules! ok {
($a:ident$([$i:expr])*.$f:ident()$(@$t:ident)*) => {
$a$([$i])*.$f($($t),*)
};
($a:ident$([$i:expr])*.$f:ident($e:expr$(,$es:expr)*)$(@$t:ident)*) => { {
let t = $e;
ok!($a$([$i])*.$f($($es),*)$(@$t)*@t)
} };
}
pub fn readln() -> String {
let mut line = String::new();
::std::io::stdin().read_line(&mut line).unwrap_or_else(|e| panic!("{}", e));
line
}
macro_rules! read {
($($t:tt),*; $n:expr) => {{
let stdin = ::std::io::stdin();
let ret = ::std::io::BufRead::lines(stdin.lock()).take($n).map(|line| {
let line = line.unwrap();
let mut it = line.split_whitespace();
_read!(it; $($t),*)
}).collect::<Vec<_>>();
ret
}};
($($t:tt),*) => {{
let line = readln();
let mut it = line.split_whitespace();
_read!(it; $($t),*)
}};
}
macro_rules! _read {
($it:ident; [char]) => {
_read!($it; String).chars().collect::<Vec<_>>()
};
($it:ident; [u8]) => {
Vec::from(_read!($it; String).into_bytes())
};
($it:ident; usize1) => {
$it.next().unwrap_or_else(|| panic!("input mismatch")).parse::<usize>().unwrap_or_else(|e| panic!("{}", e)) - 1
};
($it:ident; [usize1]) => {
$it.map(|s| s.parse::<usize>().unwrap_or_else(|e| panic!("{}", e)) - 1).collect::<Vec<_>>()
};
($it:ident; [$t:ty]) => {
$it.map(|s| s.parse::<$t>().unwrap_or_else(|e| panic!("{}", e))).collect::<Vec<_>>()
};
($it:ident; $t:ty) => {
$it.next().unwrap_or_else(|| panic!("input mismatch")).parse::<$t>().unwrap_or_else(|e| panic!("{}", e))
};
($it:ident; $($t:tt),+) => {
($(_read!($it; $t)),*)
};
}
pub fn main() {
let _ = ::std::thread::Builder::new().name("run".to_string()).stack_size(32 * 1024 * 1024).spawn(run).unwrap().join();
}
const MOD: usize = 1_000_000_007;
const INF: i64 = std::i64::MAX/2;
pub trait TE {
type T: Clone;
type E: Clone;
fn fold(Self::T, Self::T) -> Self::T;
fn eval(Self::T, Self::E) -> Self::T;
fn merge(Self::E, Self::E) -> Self::E;
fn e() -> Self::T;
fn id() -> Self::E;
}
pub struct LazySegmentTree<R: TE> {
size: usize,
bit: usize,
a: Vec<(R::T, R::E)>,
}
impl <R: TE> LazySegmentTree<R> {
pub fn new(n: usize) -> LazySegmentTree<R> {
let mut bit = 0;
while (1 << bit) < n {
bit += 1;
}
LazySegmentTree {
size: 1 << bit,
bit: bit,
a: vec![(R::e(), R::id()); 2 << bit],
}
}
pub fn build_by(z: &[R::T]) -> LazySegmentTree<R> {
let n = z.len();
let mut bit = 0;
while (1 << bit) < n {
bit += 1;
}
let mut a = vec![(R::e(), R::id()); 2 << bit];
for (a, z) in a[(1 << bit)..].iter_mut().zip(z.iter()) {
a.0 = z.clone();
}
for i in (1..(1 << bit)).rev() {
let l = R::eval(a[2 * i].0.clone(), a[2 * i].1.clone());
let r = R::eval(a[2 * i + 1].0.clone(), a[2 * i + 1].1.clone());
a[i].0 = R::fold(l, r);
}
LazySegmentTree {
size: 1 << bit,
bit : bit,
a: a,
}
}
fn eval(&self, k: usize) -> R::T {
R::eval(self.a[k].0.clone(), self.a[k].1.clone())
}
fn propagate(&mut self, x: usize) {
let x = x + self.size;
for i in (1..(self.bit + 1)).rev() {
let k = x >> i;
self.a[2 * k].1 = R::merge(self.a[2 * k].1.clone(), self.a[k].1.clone());
self.a[2 * k + 1].1 = R::merge(self.a[2 * k + 1].1.clone(), self.a[k].1.clone());
self.a[k].1 = R::id();
self.a[k].0 = R::fold(self.eval(2 * k), self.eval(2 * k + 1));
}
}
fn save(&mut self, x: usize) {
let x = x + self.size;
for i in 1..(self.bit + 1) {
let k = x >> i;
self.a[k].0 = R::fold(self.eval(2 * k), self.eval(2 * k + 1));
}
}
pub fn update(&mut self, l: usize, r: usize, op: R::E) {
self.propagate(l);
self.propagate(r - 1);
let mut x = l + self.size;
let mut y = r + self.size;
while x < y {
if x & 1 == 1 {
self.a[x].1 = R::merge(self.a[x].1.clone(), op.clone());
x += 1;
}
if y & 1 == 1 {
y -= 1;
self.a[y].1 = R::merge(self.a[y].1.clone(), op.clone());
}
x >>= 1;
y >>= 1;
}
self.save(l);
self.save(r - 1);
}
pub fn find(&mut self, l: usize, r: usize) -> R::T {
self.propagate(l);
self.propagate(r - 1);
let mut x = l + self.size;
let mut y = r + self.size;
let mut p = R::e();
let mut q = R::e();
while x < y {
if x & 1 == 1 {
p = R::fold(p, self.eval(x));
x += 1;
}
if y & 1 == 1 {
y -= 1;
q = R::fold(self.eval(y), q);
}
x >>= 1;
y >>= 1;
}
R::fold(p, q)
}
}
struct R;
impl TE for R {
type T = i64;
type E = i64;
fn fold(l: Self::T, r: Self::T) -> Self::T {
if l==0&&r==0 {
0
}
else if l==0 {
r
}
else if r==0 {
l
}
else{
gcd(l,r)
}
}
fn eval(l: Self::T, r: Self::E) -> Self::T {
if l==0&&r==0 {
0
}
else if l==0 {
r
}
else if r==0 {
l
}
else{
gcd(l,r)
}
}
fn merge(l: Self::E, r: Self::E) -> Self::E {
if l==0&&r==0 {
0
}
else if l==0 {
r
}
else if r==0 {
l
}
else{
gcd(l,r)
}
}
fn e() -> Self::T {
0
}
fn id() -> Self::E {
0
}
}
fn gcd(a: i64, b: i64) -> i64{
if a < b {return gcd(b,a);}
if b==0 {return a;}
return gcd(b, a%b);
}
fn lcm(a: i64, b: i64) -> i64{
return a * (b /gcd(a, b));
}
fn solve() {
let n = read!(usize);
let a = read!([i64]);
let mut b = a.clone();
b.push(1);
let mut s = LazySegmentTree::<R>::build_by(&b);
let mut prev = 0;
let mut ans = 0;
for i in 0..n {
let mut val = s.find(i,prev+1);
let mut id = prev;
for j in prev+1..n+1 {
if val==1 {
break;
}
val = gcd(val, b[j]);
id = j;
}
ans += n+1-id;
prev = max(i+1,id);
}
println!("{}", ans-n);
}
fn run() {
solve();
}