結果

問題 No.2942 Sigma Music Game Level Problem
ユーザー atcoder8atcoder8
提出日時 2024-10-18 22:32:13
言語 Rust
(1.77.0 + proconio)
結果
AC  
実行時間 839 ms / 6,000 ms
コード長 7,621 bytes
コンパイル時間 14,625 ms
コンパイル使用メモリ 378,332 KB
実行使用メモリ 29,568 KB
最終ジャッジ日時 2024-11-15 19:34:05
合計ジャッジ時間 26,849 ms
ジャッジサーバーID
（参考情報） 		judge2 / judge4
このコードへのチャレンジ
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 1 ms
5,248 KB
testcase_01 AC 1 ms
5,248 KB
testcase_02 AC 1 ms
5,248 KB
testcase_03 AC 2 ms
5,248 KB
testcase_04 AC 1 ms
5,248 KB
testcase_05 AC 1 ms
5,248 KB
testcase_06 AC 2 ms
5,248 KB
testcase_07 AC 2 ms
5,248 KB
testcase_08 AC 3 ms
5,248 KB
testcase_09 AC 3 ms
5,248 KB
testcase_10 AC 3 ms
5,248 KB
testcase_11 AC 378 ms
17,664 KB
testcase_12 AC 699 ms
29,568 KB
testcase_13 AC 769 ms
24,960 KB
testcase_14 AC 303 ms
19,584 KB
testcase_15 AC 149 ms
17,920 KB
testcase_16 AC 674 ms
22,400 KB
testcase_17 AC 109 ms
11,136 KB
testcase_18 AC 464 ms
19,584 KB
testcase_19 AC 839 ms
29,312 KB
testcase_20 AC 141 ms
14,720 KB
testcase_21 AC 259 ms
27,392 KB
testcase_22 AC 263 ms
27,392 KB
testcase_23 AC 316 ms
13,952 KB
testcase_24 AC 1 ms
5,248 KB
testcase_25 AC 1 ms
5,248 KB
testcase_26 AC 757 ms
25,472 KB
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ソースコード

diff # 

use fenwick_tree::FenwickTree;
use proconio::input;

const MAX: usize = 200000;

fn main() {
    input! {
        (n, q, _l0): (usize, usize, usize),
        aa: [usize; n],
    }

    let mut count_ft = FenwickTree::<usize>::new(MAX + 1);
    let mut sum_ft = FenwickTree::<usize>::new(MAX + 1);
    for &a in &aa {
        count_ft.add(a, 1);
        sum_ft.add(a, a);
    }

    let mut ans = vec![];
    for _ in 0..q {
        input! {
            qt: usize,
        }

        match qt {
            1 => {
                input! {
                    l: usize,
                }

                count_ft.add(l, 1);
                sum_ft.add(l, l);
            }
            2 => {
                input! {
                    (l, r): (usize, usize),
                }

                let count = count_ft.sum(l..=r);
                let sum = sum_ft.sum(l..=r);
                ans.push((count, sum));
            }
            3 => {
                input! {
                    _m: usize,
                }
            }
            _ => panic!(),
        }
    }

    if ans.is_empty() {
        println!("Not Found!");
    } else {
        for &(count, sum) in &ans {
            println!("{} {}", count, sum);
        }
    }
}

pub mod fenwick_tree {
    //! Processes the following query in `O(log(n))` time
    //! for a sequence of numbers with `n` elements:
    //! * Update one element
    //! * Calculate the sum of the elements of a range
    //! * Gets the elements of a number sequence.

    use std::ops::{AddAssign, RangeBounds, Sub, SubAssign};

    /// # Examples
    ///
    /// ```
    /// use atcoder8_library::fenwick_tree::FenwickTree;
    ///
    /// let ft = FenwickTree::from(vec![3, -1, 4, 1, -5, 9, 2]);
    /// assert_eq!(ft.sum(2..), 11);
    /// ```
    #[derive(Debug, Clone)]
    pub struct FenwickTree<T>(Vec<T>);

    impl<T> From<Vec<T>> for FenwickTree<T>
    where
        T: Default + Clone + AddAssign<T>,
    {
        /// # Examples
        ///
        /// ```
        /// use atcoder8_library::fenwick_tree::FenwickTree;
        ///
        /// let ft = FenwickTree::from(vec![3, -1, 4, 1, -5, 9, 2]);
        /// assert_eq!(ft.sum(2..6), 9);
        /// ```
        fn from(t: Vec<T>) -> Self {
            let mut ft = FenwickTree::new(t.len());
            for (i, x) in t.into_iter().enumerate() {
                ft.add(i, x);
            }

            ft
        }
    }

    impl<T> FenwickTree<T> {
        /// Constructs a `FenwickTree<T>` with `n` elements.
        ///
        /// Each element is initialized with `T::default()`.
        ///
        /// # Examples
        ///
        /// ```
        /// use atcoder8_library::fenwick_tree::FenwickTree;
        ///
        /// let ft = FenwickTree::<i32>::new(5);
        /// assert_eq!(ft.sum(..), 0);
        /// ```
        pub fn new(n: usize) -> Self
        where
            T: Default + Clone,
        {
            FenwickTree(vec![T::default(); n])
        }

        /// Add `x` to the `p`-th element.
        ///
        /// # Examples
        ///
        /// ```
        /// use atcoder8_library::fenwick_tree::FenwickTree;
        ///
        /// let mut ft = FenwickTree::from(vec![3, -1, 4, 1, -5, 9, 2]);
        /// assert_eq!(ft.sum(2..6), 9);
        ///
        /// ft.add(3, 100);
        /// assert_eq!(ft.sum(2..6), 109);
        /// ```
        pub fn add(&mut self, p: usize, x: T)
        where
            T: Clone + AddAssign<T>,
        {
            let FenwickTree(data) = self;
            let n = data.len();

            assert!(p < n);

            let mut p = p + 1;
            while p <= n {
                data[p - 1] += x.clone();
                p += p & p.overflowing_neg().0;
            }
        }

        /// Subtract `x` from the `p`-th element.
        ///
        /// # Examples
        ///
        /// ```
        /// use atcoder8_library::fenwick_tree::FenwickTree;
        ///
        /// let mut ft = FenwickTree::<u32>::from(vec![3, 1, 4, 1, 5, 9, 2]);
        /// assert_eq!(ft.sum(2..6), 19);
        ///
        /// ft.sub(3, 1);
        /// assert_eq!(ft.sum(2..6), 18);
        /// ```
        pub fn sub(&mut self, p: usize, x: T)
        where
            T: Clone + SubAssign<T>,
        {
            let FenwickTree(data) = self;
            let n = data.len();

            assert!(p < n);

            let mut p = p + 1;
            while p <= n {
                data[p - 1] -= x.clone();
                p += p & p.overflowing_neg().0;
            }
        }

        /// Sets `x` to the `p`-th element.
        ///
        /// # Examples
        ///
        /// ```
        /// use atcoder8_library::fenwick_tree::FenwickTree;
        ///
        /// let mut ft = FenwickTree::from(vec![3, -1, 4, 1, -5, 9, 2]);
        /// assert_eq!(ft.sum(2..6), 9);
        ///
        /// ft.set(3, 100);
        /// assert_eq!(ft.sum(2..6), 108);
        /// ```
        pub fn set(&mut self, p: usize, x: T)
        where
            T: Default + Clone + AddAssign<T> + Sub<T, Output = T> + SubAssign<T>,
        {
            let FenwickTree(data) = self;
            let n = data.len();

            assert!(p < n);

            self.sub(p, self.get(p));
            self.add(p, x);
        }

        /// Compute the sum of the range [0, r).
        fn inner_sum(&self, r: usize) -> T
        where
            T: Default + Clone + AddAssign<T>,
        {
            let mut s = T::default();
            let mut r = r;
            while r > 0 {
                s += self.0[r - 1].clone();
                r -= r & r.wrapping_neg();
            }

            s
        }

        /// Calculate the total of the range.
        ///
        /// # Examples
        ///
        /// ```
        /// use atcoder8_library::fenwick_tree::FenwickTree;
        ///
        /// let ft = FenwickTree::from(vec![3, -1, 4, 1, -5, 9, 2]);
        /// assert_eq!(ft.sum(..), 13);
        /// assert_eq!(ft.sum(2..), 11);
        /// assert_eq!(ft.sum(..6), 11);
        /// assert_eq!(ft.sum(2..6), 9);
        /// assert_eq!(ft.sum(6..2), 0);
        /// ```
        pub fn sum<R>(&self, rng: R) -> T
        where
            T: Default + Clone + AddAssign<T> + Sub<T, Output = T>,
            R: RangeBounds<usize>,
        {
            let n = self.0.len();

            let l = match rng.start_bound() {
                std::ops::Bound::Included(&start_bound) => start_bound,
                std::ops::Bound::Excluded(&start_bound) => start_bound + 1,
                std::ops::Bound::Unbounded => 0,
            };

            let r = match rng.end_bound() {
                std::ops::Bound::Included(&end_bound) => end_bound + 1,
                std::ops::Bound::Excluded(&end_bound) => end_bound,
                std::ops::Bound::Unbounded => n,
            };

            assert!(l <= n && r <= n);

            if l >= r {
                T::default()
            } else {
                self.inner_sum(r) - self.inner_sum(l)
            }
        }

        /// Returns the value of an element in a sequence of numbers.
        /// Calculate the total of the range.
        ///
        /// # Examples
        ///
        /// ```
        /// use atcoder8_library::fenwick_tree::FenwickTree;
        ///
        /// let ft = FenwickTree::from(vec![3, -1, 4, -1, 5]);
        /// assert_eq!(ft.get(2), 4);
        /// ```
        pub fn get(&self, p: usize) -> T
        where
            T: Default + Clone + AddAssign<T> + Sub<T, Output = T>,
        {
            assert!(p < self.0.len());

            self.sum(p..=p)
        }
    }
}
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