結果

問題 No.870 無敵囲い
コンテスト
ユーザー kei
提出日時 2019-08-30 21:57:56
言語 Rust
(1.83.0 + proconio)
結果
AC  
実行時間 1 ms / 300 ms
コード長 4,457 bytes
コンパイル時間 13,984 ms
コンパイル使用メモリ 379,828 KB
実行使用メモリ 5,376 KB
最終ジャッジ日時 2024-06-29 06:18:47
合計ジャッジ時間 14,411 ms
ジャッジサーバーID
（参考情報） 		judge2 / judge1
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 3
other AC * 18
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コンパイルメッセージ
warning: variable `f1` is assigned to, but never used
  --> src/main.rs:58:14
   |
58 |     let (mut f1,mut f2,mut f3) = (false,false,false);
   |              ^^
   |
   = note: consider using `_f1` instead
   = note: `#[warn(unused_variables)]` on by default

warning: variable `f2` is assigned to, but never used
  --> src/main.rs:58:21
   |
58 |     let (mut f1,mut f2,mut f3) = (false,false,false);
   |                     ^^
   |
   = note: consider using `_f2` instead

warning: variable `f3` is assigned to, but never used
  --> src/main.rs:58:28
   |
58 |     let (mut f1,mut f2,mut f3) = (false,false,false);
   |                            ^^
   |
   = note: consider using `_f3` instead

warning: value assigned to `f1` is never read
  --> src/main.rs:60:54
   |
60 |         if (2,8) == before[i] && (5,8) == after[i] { f1 = true; cnt1 += 1;}
   |                                                      ^^
   |
   = help: maybe it is overwritten before being read?
   = note: `#[warn(unused_assignments)]` on by default

warning: value assigned to `f2` is never read
  --> src/main.rs:61:54
   |
61 |         if (3,9) == before[i] && (4,8) == after[i] { f2 = true; cnt2 += 1;}
   |                                                      ^^
   |
   = help: maybe it is overwritten before being read?

warning: value assigned to `f3` is never read
  --> src/main.rs:62:54
   |
62 |         if (7,9) == before[i] && (6,8) == after[i] { f3 = true; cnt3 += 1;}
   |                                                      ^^
   |
   = help: maybe it is overwritten before being read?

ソースコード

diff # 

#![allow(unused_mut, non_snake_case, unused_imports, dead_code,unused_macros)]

use std::iter;
use std::cmp::{max, min, Ordering};
use std::mem::swap;
use std::collections::{HashMap, BTreeMap, HashSet, BTreeSet, BinaryHeap,VecDeque};
use std::iter::FromIterator;

//　高速 EOF要
//macro_rules! input {(source = $s:expr, $($r:tt)*) => {let mut iter = $s.split_whitespace();input_inner!{iter, $($r)*}};($($r:tt)*) => {let mut s = {use std::io::Read;let mut s = String::new();std::io::stdin().read_to_string(&mut s).unwrap();s};let mut iter = s.split_whitespace();input_inner!{iter, $($r)*}};}
//macro_rules! input_inner {($iter:expr) => {};($iter:expr, ) => {};($iter:expr, $var:ident : $t:tt $($r:tt)*) => {let $var = read_value!($iter, $t);input_inner!{$iter $($r)*}};}
//macro_rules! read_value {($iter:expr, ( $($t:tt),* )) => {( $(read_value!($iter, $t)),* )};($iter:expr, [ $t:tt ; $len:expr ]) => {(0..$len).map(|_| read_value!($iter, $t)).collect::<Vec<_>>()};($iter:expr, chars) => {read_value!($iter, String).chars().collect::<Vec<char>>()};($iter:expr, usize1) => {read_value!($iter, usize) - 1};($iter:expr, $t:ty) => {$iter.next().unwrap().parse::<$t>().expect("Parse error")};}
// 低速 EOF不要
macro_rules! input {(source = $s:expr, $($r:tt)*) => {let mut iter = $s.split_whitespace();let mut next = || { iter.next().unwrap() };input_inner!{next, $($r)*}};($($r:tt)*) => {let stdin = std::io::stdin();let mut bytes = std::io::Read::bytes(std::io::BufReader::new(stdin.lock()));let mut next = move || -> String{bytes.by_ref().map(|r|r.unwrap() as char).skip_while(|c|c.is_whitespace()).take_while(|c|!c.is_whitespace()).collect()};input_inner!{next, $($r)*}};}
macro_rules! mut_input {(source = $s:expr, $($r:tt)*) => {let mut iter = $s.split_whitespace();let mut next = || { iter.next().unwrap() }; mut_input_inner!{next, $($r)*}};($($r:tt)*) => {let stdin = std::io::stdin();let mut bytes = std::io::Read::bytes(std::io::BufReader::new(stdin.lock()));let mut next = move || -> String{bytes.by_ref().map(|r|r.unwrap() as char).skip_while(|c|c.is_whitespace()).take_while(|c|!c.is_whitespace()).collect()}; mut_input_inner!{next, $($r)*}};}
macro_rules! input_inner {($next:expr) => {};($next:expr, ) => {};($next:expr, $var:ident : $t:tt $($r:tt)*) => {let $var = read_value!($next, $t);input_inner!{$next $($r)*}};}
macro_rules! mut_input_inner {($next:expr) => {};($next:expr, ) => {};($next:expr, $var:ident : $t:tt $($r:tt)*) => {let mut $var = read_value!($next, $t);mut_input_inner!{$next $($r)*}};}
macro_rules! read_value {($next:expr, ( $($t:tt),* )) => {( $(read_value!($next, $t)),* )};($next:expr, [ $t:tt ; $len:expr ]) => {(0..$len).map(|_| read_value!($next, $t)).collect::<Vec<_>>()};($next:expr, chars) => {read_value!($next, String).chars().collect::<Vec<char>>()};($next:expr, usize1) => {read_value!($next, usize) - 1};($next:expr, $t:ty) => {$next().parse::<$t>().expect("Parse error")};}

// 非常時
fn read_line() -> String {
    let mut s = String::new();
    std::io::stdin().read_line(&mut s).unwrap();
    s.trim().to_string()
}
fn read_vec<T: std::str::FromStr>() -> Vec<T> {
    let mut s = String::new();
    std::io::stdin().read_line(&mut s).ok();
    s.trim().split_whitespace()
        .map(|e| e.parse().ok().unwrap()).collect()
}


fn solve(){
    input!(N:usize,info:[(usize,usize,usize,usize);N]);
    let info:Vec<(usize,usize,usize,usize)> = info;
    let mut before = Vec::new();
    let mut after = Vec::new();

    for i in 0..N{
        let idx = after.iter().position(|v| *v == (info[i].0,info[i].1));

        if idx == None{
            before.push((info[i].0,info[i].1));
            after.push((info[i].2,info[i].3));
        }else{
            let idx = idx.unwrap();
            after[idx] = (info[i].2,info[i].3);
        }
    }

    let n = before.len();

    let mut cnt1 = 0;
    let mut cnt2 = 0;
    let mut cnt3 = 0;

    let (mut f1,mut f2,mut f3) = (false,false,false);
    for i in 0..n{
        if (2,8) == before[i] && (5,8) == after[i] { f1 = true; cnt1 += 1;}
        if (3,9) == before[i] && (4,8) == after[i] { f2 = true; cnt2 += 1;}
        if (7,9) == before[i] && (6,8) == after[i] { f3 = true; cnt3 += 1;}
    }
    println!("{}", if cnt1==1 && cnt2==1 && cnt3==1 {"YES"} else {"NO"});
}
fn main() {
    let stack_size = 104_857_600; // 100 MB
    let thd = std::thread::Builder::new().stack_size(stack_size);
    thd.spawn(|| solve()).unwrap().join().unwrap();
}
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