結果
| 問題 |
No.1060 素敵な宝箱
|
| コンテスト | |
| ユーザー |
ziita
|
| 提出日時 | 2020-05-22 22:45:07 |
| 言語 | Rust (1.83.0 + proconio) |
| 結果 |
AC
|
| 実行時間 | 17 ms / 2,000 ms |
| コード長 | 4,081 bytes |
| コンパイル時間 | 11,264 ms |
| コンパイル使用メモリ | 390,512 KB |
| 実行使用メモリ | 6,820 KB |
| 最終ジャッジ日時 | 2024-10-05 19:20:47 |
| 合計ジャッジ時間 | 12,540 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 24 |
ソースコード
#![allow(unused_imports)]
#![allow(non_snake_case, unused)]
use std::cmp::*;
use std::collections::*;
use std::ops::*;
// https://atcoder.jp/contests/hokudai-hitachi2019-1/submissions/10518254
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: u32 = 1_000_000_007;
const INF: i64 = std::i64::MAX/2;
pub struct UnionFind {
data: Vec<i32>,
}
impl UnionFind {
pub fn new(n: usize) -> Self{
UnionFind {
data: vec![-1;n]
}
}
pub fn root(&mut self, x: usize) -> usize{
if self.data[x]<0 {
x
}
else {
let p = self.data[x] as usize;
self.data[x] = self.root(p) as i32;
self.data[x] as usize
}
}
pub fn unite(&mut self, x: usize, y: usize){
let rx = self.root(x);
let ry = self.root(y);
if rx!=ry {
let (rx,ry) = if self.data[rx]<=self.data[ry] {
(rx,ry)
}
else{
(ry,rx)
};
self.data[rx] += self.data[ry];
self.data[ry] = rx as i32;
}
}
pub fn same(&mut self, x: usize, y: usize) -> bool{
self.root(x) == self.root(y)
}
pub fn size(&mut self, x: usize) -> i32 {
let r = self.root(x);
- self.data[r]
}
}
fn solve() {
let (n,m) = read!(usize,usize);
let a = read!([i64];n);
let mut seen = vec![false;n];
let mut b = (0..m)
.map(|x| (0..n).fold(0, |sum, y| sum+a[y][x]))
.collect::<Vec<i64>>();
let sq: i64 = b.iter().map(|x| x*x).sum();
let mut ans = 0;
for k in 0..n {
let mut v = (0..n)
.filter(|&x| !seen[x])
.map(|x| ((0..m).fold(0, |sum, y| sum+b[y]*a[x][y]),x))
.collect::<Vec<(i64,usize)>>();
v.sort();
seen[v[v.len()-1].1] = true;
ans += v[v.len()-1].0*(((k+1)%2) as i64);
}
println!("{}", 2*ans-sq);
}
fn run() {
solve();
}
ziita