#1035412 (Rust) No.440 2次元チワワ問題

• 問題: No.440 2次元チワワ問題
• ユーザー: titia
• 提出日時: 2025-01-15 03:28:43
• 言語: Rust (1.83.0 + proconio)
• 結果: MLE
• 実行時間: -
• コード長: 3,682 bytes
• コンパイル時間: 15,453 ms
• コンパイル使用メモリ: 400,788 KB
• 実行使用メモリ: 813,292 KB
• 最終ジャッジ日時: 2025-01-15 03:29:50
• 合計ジャッジ時間: 26,775 ms
• ジャッジサーバーID （参考情報）: judge1 / judge5

ファイルパターン	結果
other	AC * 15 MLE * 11

ソースコード

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use std::io;
fn main() {
    let stdin = io::stdin();
    let mut input = String::new();
    stdin.read_line(&mut input).unwrap();
    let dims: Vec<usize> = input.trim().split_whitespace().map(|x| x.parse().unwrap()).collect();
    let (h, w) = (dims[0], dims[1]);
    let mut map = Vec::new();
    for _ in 0..h {
        input.clear();
        stdin.read_line(&mut input).unwrap();
        map.push(input.trim().chars().collect::<Vec<char>>());
    }
    input.clear();
    stdin.read_line(&mut input).unwrap();
    let q: usize = input.trim().parse().unwrap();
    let mut queries = Vec::new();
    for _ in 0..q {
        input.clear();
        stdin.read_line(&mut input).unwrap();
        let query: Vec<usize> = input.trim().split_whitespace().map(|x| x.parse().unwrap()).collect();
        queries.push((query[0] - 1, query[1] - 1, query[2] - 1, query[3] - 1));
    }
    let mut results = vec![0i64; q];
    {
        let mut score = vec![0i64; h * w * w];
        fn calc(h: usize, l: usize, w: usize, map: &Vec<Vec<char>>, score: &mut Vec<i64>) {
            let mut c = 0i64;
            let mut cw = 0i64;
            let mut now = 0i64;
            for i in l..w {
                if map[h][i] == 'c' {
                    c += 1;
                } else {
                    now += cw;
                    cw += c;
                }
                score[h * w * w + l * w + i] += now;
            }
        }
        fn calc2(h: usize, r: usize, w: usize, map: &Vec<Vec<char>>, score: &mut Vec<i64>) {
            let mut c = 0i64;
            let mut cw = 0i64;
            let mut now = 0i64;
            for i in (0..=r).rev() {
                if map[h][i] == 'c' {
                    c += 1;
                } else {
                    now += cw;
                    cw += c;
                }
                score[h * w * w + i * w + r] += now;
            }
        }
        for i in 0..h {
            for j in 0..w {
                calc(i, j, w, &map, &mut score);
                calc2(i, j, w, &map, &mut score);
            }
        }
        for (qi, &(a, b, c, d)) in queries.iter().enumerate() {
            for i in a..=c {
                results[qi] += score[i * w * w + b * w + d];
            }
        }
    }
    {
        let mut score2 = vec![0i64; w * h * h];
        fn calc3(w: usize, l: usize, h: usize, map: &Vec<Vec<char>>, score2: &mut Vec<i64>) {
            let mut c = 0i64;
            let mut cw = 0i64;
            let mut now = 0i64;
            for i in l..h {
                if map[i][w] == 'c' {
                    c += 1;
                } else {
                    now += cw;
                    cw += c;
                }
                score2[w * h * h + l * h + i] += now;
            }
        }
        fn calc4(w: usize, r: usize, h: usize, map: &Vec<Vec<char>>, score2: &mut Vec<i64>) {
            let mut c = 0i64;
            let mut cw = 0i64;
            let mut now = 0i64;
            for i in (0..=r).rev() {
                if map[i][w] == 'c' {
                    c += 1;
                } else {
                    now += cw;
                    cw += c;
                }
                score2[w * h * h + i * h + r] += now;
            }
        }
        for i in 0..w {
            for j in 0..h {
                calc3(i, j, h, &map, &mut score2);
                calc4(i, j, h, &map, &mut score2);
            }
        }
        for (qi, &(a, b, c, d)) in queries.iter().enumerate() {
            for i in b..=d {
                results[qi] += score2[i * h * h + a * h + c];
            }
        }
    }
    for res in results {
        println!("{}", res);
    }
}
 
 
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