結果

問題 No.628 Tagの勢い
コンテスト
ユーザー H20
提出日時 2022-09-09 13:03:39
言語 Rust
(1.83.0 + proconio)
結果
RE  
実行時間 -
コード長 3,042 bytes
コンパイル時間 14,123 ms
コンパイル使用メモリ 384,040 KB
実行使用メモリ 6,824 KB
最終ジャッジ日時 2024-11-25 09:46:17
合計ジャッジ時間 15,251 ms
ジャッジサーバーID
（参考情報） 		judge4 / judge3
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
other RE * 19
権限があれば一括ダウンロードができます
コンパイルメッセージ
warning: unused import: `std::fmt`
 --> src/main.rs:1:5
  |
1 | use std::fmt;
  |     ^^^^^^^^
  |
  = note: `#[warn(unused_imports)]` on by default

warning: unused import: `max`
 --> src/main.rs:2:21
  |
2 | use std::cmp::{min, max};
  |                     ^^^

warning: unused variable: `i`
   --> src/main.rs:102:9
    |
102 |     for i in 0..n{
    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
    |
    = note: `#[warn(unused_variables)]` on by default

warning: unused variable: `ni`
   --> src/main.rs:104:13
    |
104 |             ni: isize,
    |             ^^
    |
help: `ni` is captured in macro and introduced a unused variable
   --> src/main.rs:44:13
    |
44  |           let $var = read_value!($next, $t);
    |               ^^^^
...
103 | /         input! {
104 | |             ni: isize,
105 | |             m: isize,
106 | |             s: isize,
107 | |             tag:[String;m]
108 | |         }
    | |_________- in this macro invocation
    = note: this warning originates in the macro `input_inner` which comes from the expansion of the macro `input` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: field `value` is never read
  --> src/main.rs:94:5
   |
93 | struct MyBool {
   |        ------ field in this struct
94 |     value: bool
   |     ^^^^^
   |
   = note: `MyBool` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
   = note: `#[warn(dead_code)]` on by default

ソースコード

diff # 

use std::fmt;
use std::cmp::{min, max};
use std::collections::HashMap;
//USE https://mirrorless-camera.info/column/14417.html

macro_rules! input {
    ($($r:tt)*) => {
        let mut bytes = std::io::Read::bytes(std::io::BufReader::new(std::io::stdin()));
        let mut next = move |is_word: bool| -> String{
            if is_word {
                bytes
                    .by_ref()
                    .map(|r|r.unwrap() as char)
                    .skip_while(|c|c.is_whitespace())
                    .take_while(|c|!c.is_whitespace())
                    .collect()
            } else {
                bytes
                    .by_ref()
                    .map(|r|r.unwrap() as char)
                    .skip_while(|c| c == &'\n')
                    .take_while(|c| c != &'\n')
                    .collect()
            }
        };
        input_inner!{next, $($r)*};
    };
}
macro_rules! input_inner {
    ($next:expr) => {};
    ($next:expr, ) => {};

    ($next:expr, static $var:ident : $t:tt $($rest:tt)*) => {
        $var = read_value!($next, $t);
        input_inner!{$next $($rest)*}
    };

    ($next:expr, mut $var:ident : $t:tt $($rest:tt)*) => {
        let mut $var = read_value!($next, $t);
        input_inner!{$next $($rest)*}
    };

    ($next:expr, $var:ident : $t:tt $($rest:tt)*) => {
        let $var = read_value!($next, $t);
        input_inner!{$next $($rest)*}
    };
}
macro_rules! read_value {
    ($next:expr, ( $($t:tt),* )) => {
        ( $(read_value!($next, $t)),* )
    };

    ($next:expr, [ $t:tt ; all ]) => { {
            let mut str = $next(false);
            str.split_whitespace().map(|it| it.parse::<$t>().unwrap()).collect::<Vec<_>>()
        }
    };

    ($next:expr, [ $t:tt ; $len:expr ]) => {
        (0..$len as usize).map(|_| read_value!($next, $t)).collect::<Vec<_>>()
    };

    ($next:expr, chars) => {
        read_value!($next, String).chars().collect::<Vec<char>>()
    };

    ($next:expr, lines) => {
        {
            let mut vec = Vec::new();
            let mut str = $next(false);
            while str != "" {
                vec.push(str);
                str = $next(false);
            }
            vec
        }
    };

    ($next:expr, line) => {
        $next(false)
    };

    ($next:expr, usize1) => {
        read_value!($next, usize) - 1
    };

    ($next:expr, $t:ty) => {
        $next(true).parse::<$t>().expect("Parse error")
    };
}

#[derive(Debug)]
struct MyBool {
    value: bool
}

fn main() {
    input! {
        n: isize
    }
    let mut score: HashMap<String, isize> = HashMap::new();
    for i in 0..n{
        input! {
            ni: isize,
            m: isize,
            s: isize,
            tag:[String;m]
        }
        for st in tag{
            *score.entry(st).or_default() += s;
        }
    }
    let mut vec: Vec<(_, _)> = score.iter().collect();
    vec.sort_by(|a, b| (-a.1).cmp(&(-b.1)).then(a.0.cmp(&b.0)));
    for i in 0..min(10,vec.len()){
        println!("{} {}",vec[i].0,vec[i].1)
    }



}
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