#594370 (Rust) No.1318 ABCD quadruplets

• 問題: No.1318 ABCD quadruplets
• ユーザー: ikd
• 提出日時: 2020-12-16 20:11:28
• 言語: Rust (1.77.0 + proconio)
• 結果: TLE
• 実行時間: -
• コード長: 2,962 bytes
• コンパイル時間: 11,582 ms
• コンパイル使用メモリ: 377,608 KB
• 実行使用メモリ: 6,940 KB
• 最終ジャッジ日時: 2024-09-20 05:18:36
• 合計ジャッジ時間: 25,831 ms
• ジャッジサーバーID （参考情報）: judge4 / judge2

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	1 ms; 6,812 KB
testcase_01	AC	1 ms; 6,812 KB
testcase_02	AC	0 ms; 6,816 KB
testcase_03	AC	1 ms; 6,940 KB
testcase_04	AC	1 ms; 5,376 KB
testcase_05	AC	1 ms; 5,376 KB
testcase_06	AC	1 ms; 5,376 KB
testcase_07	AC	1 ms; 5,376 KB
testcase_08	AC	1 ms; 5,376 KB
testcase_09	AC	1 ms; 5,376 KB
testcase_10	AC	1 ms; 5,376 KB
testcase_11	AC	1 ms; 5,376 KB
testcase_12	AC	1 ms; 5,376 KB
testcase_13	AC	43 ms; 5,376 KB
testcase_14	AC	334 ms; 5,376 KB
testcase_15	AC	21 ms; 5,376 KB
testcase_16	AC	1,179 ms; 5,376 KB
testcase_17	AC	130 ms; 5,376 KB
testcase_18	AC	308 ms; 5,376 KB
testcase_19	AC	214 ms; 5,376 KB
testcase_20	AC	32 ms; 5,376 KB
testcase_21	AC	102 ms; 5,376 KB
testcase_22	AC	186 ms; 5,376 KB
testcase_23	TLE	-
testcase_24	AC	983 ms; 5,376 KB
testcase_25	AC	272 ms; 5,376 KB
testcase_26	AC	223 ms; 5,376 KB
testcase_27	AC	562 ms; 5,376 KB
testcase_28	AC	290 ms; 5,376 KB
testcase_29	AC	323 ms; 5,376 KB
testcase_30	TLE	-
testcase_31	AC	270 ms; 5,376 KB
testcase_32	TLE	-

ソースコード

fn main() {
    let stdin = std::io::stdin();
    let mut rd = ProconReader::new(stdin.lock());

    let n: usize = rd.get();
    let m: usize = rd.get();
    let mut ans = vec![0u64; n + 1];
    for a in 0..=m {
        for b in a..=m {
            for c in b..=m {
                for d in c..=m {
                    let s = a * a
                        + a * b
                        + a * c
                        + a * d
                        + b * b
                        + b * c
                        + b * d
                        + c * c
                        + c * d
                        + d * d;
                    if s > n {
                        continue;
                    }
                    if a == b && b == c && c == d && d == a {
                        ans[s] += 1;
                    } else if (a == b && b == c) || (b == c && c == d) || (c == d && d == a) {
                        ans[s] += 4;
                    } else if (a == b && c == d) || (b == c && d == a) {
                        ans[s] += 6;
                    } else if (a == b) || (b == c) || (c == d) || (d == a) {
                        ans[s] += 12;
                    } else {
                        ans[s] += 24;
                    }
                }
            }
        }
    }
    for a in ans {
        println!("{}", a);
    }
}

pub struct ProconReader<R> {
    r: R,
    line: String,
    i: usize,
}

impl<R: std::io::BufRead> ProconReader<R> {
    pub fn new(reader: R) -> Self {
        Self {
            r: reader,
            line: String::new(),
            i: 0,
        }
    }
    pub fn get<T>(&mut self) -> T
    where
        T: std::str::FromStr,
        <T as std::str::FromStr>::Err: std::fmt::Debug,
    {
        self.skip_blanks();
        assert!(self.i < self.line.len());
        assert_ne!(&self.line[self.i..=self.i], " ");
        let line = &self.line[self.i..];
        let end = line.find(' ').unwrap_or_else(|| line.len());
        let s = &line[..end];
        self.i += end;
        s.parse()
            .unwrap_or_else(|_| panic!("parse error `{}`", self.line))
    }
    fn skip_blanks(&mut self) {
        loop {
            let start = self.line[self.i..].find(|ch| ch != ' ');
            match start {
                Some(j) => {
                    self.i += j;
                    break;
                }
                None => {
                    self.line.clear();
                    self.i = 0;
                    let num_bytes = self.r.read_line(&mut self.line).unwrap();
                    assert!(num_bytes > 0, "reached EOF :(");
                    self.line = self.line.trim_end_matches(&['\r', '\n'][..]).to_string();
                }
            }
        }
    }
    pub fn get_vec<T>(&mut self, n: usize) -> Vec<T>
    where
        T: std::str::FromStr,
        <T as std::str::FromStr>::Err: std::fmt::Debug,
    {
        (0..n).map(|_| self.get()).collect()
    }
}