結果

問題 No.2220 Range Insert & Point Mex
ユーザー akakimidoriakakimidori
提出日時 2023-02-18 00:40:34
言語 Rust
(1.77.0 + proconio)
結果
AC  
実行時間 133 ms / 2,000 ms
コード長 6,459 bytes
コンパイル時間 11,463 ms
コンパイル使用メモリ 402,032 KB
実行使用メモリ 24,192 KB
最終ジャッジ日時 2024-07-21 12:56:38
合計ジャッジ時間 15,822 ms
ジャッジサーバーID
(参考情報)
judge4 / judge1
このコードへのチャレンジ
(要ログイン)

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
6,812 KB
testcase_01 AC 1 ms
6,812 KB
testcase_02 AC 1 ms
6,944 KB
testcase_03 AC 1 ms
6,940 KB
testcase_04 AC 1 ms
6,940 KB
testcase_05 AC 1 ms
6,944 KB
testcase_06 AC 1 ms
6,940 KB
testcase_07 AC 1 ms
6,940 KB
testcase_08 AC 1 ms
6,940 KB
testcase_09 AC 1 ms
6,940 KB
testcase_10 AC 1 ms
6,944 KB
testcase_11 AC 1 ms
6,944 KB
testcase_12 AC 1 ms
6,944 KB
testcase_13 AC 82 ms
20,180 KB
testcase_14 AC 83 ms
21,104 KB
testcase_15 AC 81 ms
21,444 KB
testcase_16 AC 78 ms
19,964 KB
testcase_17 AC 81 ms
20,620 KB
testcase_18 AC 82 ms
20,996 KB
testcase_19 AC 84 ms
20,076 KB
testcase_20 AC 132 ms
24,064 KB
testcase_21 AC 133 ms
23,416 KB
testcase_22 AC 127 ms
24,192 KB
testcase_23 AC 55 ms
21,404 KB
testcase_24 AC 48 ms
16,768 KB
testcase_25 AC 36 ms
14,076 KB
testcase_26 AC 53 ms
19,696 KB
testcase_27 AC 37 ms
13,496 KB
testcase_28 AC 10 ms
6,940 KB
testcase_29 AC 12 ms
6,944 KB
testcase_30 AC 11 ms
6,940 KB
testcase_31 AC 43 ms
19,684 KB
testcase_32 AC 36 ms
14,500 KB
testcase_33 AC 35 ms
14,680 KB
testcase_34 AC 103 ms
21,772 KB
testcase_35 AC 105 ms
20,944 KB
testcase_36 AC 102 ms
20,332 KB
testcase_37 AC 103 ms
21,844 KB
testcase_38 AC 57 ms
20,200 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

use std::io::Write;

fn run() {
    input! {
        n: usize,
        p: [(usize1, usize, usize); n],
        q: usize,
        x: [usize1; q],
    }
    let mut z = vec![0];
    for p in p.iter() {
        z.push(p.2);
        z.push(p.2 + 1);
    }
    z.sort();
    z.dedup();
    let mut seg = SegmentTreePURQ::new(z.len(), 100000i32, |a, b| std::cmp::min(*a, *b));
    for i in 0..z.len() {
        seg.update_tmp(i, 0);
    }
    seg.update_all();
    let mut event = vec![];
    event.extend(p.iter().map(|p| (p.0, 1, p.2)));
    event.extend(p.iter().map(|p| (p.1, -1, p.2)));
    event.extend((0..q).map(|k| (x[k], 2, k)));
    event.sort();
    let mut ans = vec![0; q];
    for (_, v, x) in event {
        if v == 2 {
            ans[x] = seg.max_right(0, |v| *v > 0);
        } else {
            let pos = z.binary_search(&x).unwrap();
            seg.get_mut(pos, |node| *node += v);
        }
    }
    let out = std::io::stdout();
    let mut out = std::io::BufWriter::new(out.lock());
    for a in ans {
        writeln!(out, "{}", a).ok();
    }
}

fn main() {
    run();
}

// ---------- begin input macro ----------
// reference: https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8
#[macro_export]
macro_rules! input {
    (source = $s:expr, $($r:tt)*) => {
        let mut iter = $s.split_whitespace();
        input_inner!{iter, $($r)*}
    };
    ($($r:tt)*) => {
        let 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_export]
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_export]
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, bytes) => {
        read_value!($iter, String).bytes().collect::<Vec<u8>>()
    };
    ($iter:expr, usize1) => {
        read_value!($iter, usize) - 1
    };
    ($iter:expr, $t:ty) => {
        $iter.next().unwrap().parse::<$t>().expect("Parse error")
    };
}
// ---------- end input macro ----------
// ---------- begin segment tree Point Update Range Query ----------
pub struct SegmentTreePURQ<T, F> {
    n: usize,
    size: usize,
    data: Vec<T>,
    e: T,
    op: F,
}

impl<T, F> SegmentTreePURQ<T, F>
where
    T: Clone,
    F: Fn(&T, &T) -> T,
{
    pub fn new(n: usize, e: T, op: F) -> Self {
        assert!(n > 0);
        let size = n.next_power_of_two();
        let data = vec![e.clone(); 2 * size];
        SegmentTreePURQ {
            n,
            size,
            data,
            e,
            op,
        }
    }
    pub fn update_tmp(&mut self, x: usize, v: T) {
        assert!(x < self.n);
        self.data[x + self.size] = v;
    }
    pub fn update_all(&mut self) {
        for i in (1..self.size).rev() {
            self.data[i] = (self.op)(&self.data[2 * i], &self.data[2 * i + 1]);
        }
    }
    pub fn update(&mut self, x: usize, v: T) {
        assert!(x < self.n);
        let mut x = x + self.size;
        self.data[x] = v;
        x >>= 1;
        while x > 0 {
            self.data[x] = (self.op)(&self.data[2 * x], &self.data[2 * x + 1]);
            x >>= 1;
        }
    }
    pub fn get_mut<G>(&mut self, x: usize, mut g: G)
    where
        G: FnMut(&mut T)
    {
        assert!(x < self.n);
        let mut x = x + self.size;
        g(&mut self.data[x]);
        x >>= 1;
        while x > 0 {
            self.data[x] = (self.op)(&self.data[2 * x], &self.data[2 * x + 1]);
            x >>= 1;
        }
    }
    pub fn find(&self, l: usize, r: usize) -> T {
        assert!(l <= r && r <= self.n);
        if l == r {
            return self.e.clone();
        }
        let mut l = self.size + l;
        let mut r = self.size + r;
        let mut x = self.e.clone();
        let mut y = self.e.clone();
        while l < r {
            if l & 1 == 1 {
                x = (self.op)(&x, &self.data[l]);
                l += 1;
            }
            if r & 1 == 1 {
                r -= 1;
                y = (self.op)(&self.data[r], &y);
            }
            l >>= 1;
            r >>= 1;
        }
        (self.op)(&x, &y)
    }
    pub fn max_right<P>(&self, l: usize, f: P) -> usize
    where
        P: Fn(&T) -> bool,
    {
        assert!(l <= self.n);
        assert!(f(&self.e));
        if l == self.n {
            return self.n;
        }
        let mut l = l + self.size;
        let mut sum = self.e.clone();
        while {
            l >>= l.trailing_zeros();
            let v = (self.op)(&sum, &self.data[l]);
            if !f(&v) {
                while l < self.size {
                    l <<= 1;
                    let v = (self.op)(&sum, &self.data[l]);
                    if f(&v) {
                        sum = v;
                        l += 1;
                    }
                }
                return l - self.size;
            }
            sum = v;
            l += 1;
            l.count_ones() > 1
        } {}
        self.n
    }
    pub fn min_left<P>(&self, r: usize, f: P) -> usize
    where
        P: Fn(&T) -> bool,
    {
        assert!(r <= self.n);
        assert!(f(&self.e));
        if r == 0 {
            return 0;
        }
        let mut r = r + self.size;
        let mut sum = self.e.clone();
        while {
            r -= 1;
            while r > 1 && r & 1 == 1 {
                r >>= 1;
            }
            let v = (self.op)(&self.data[r], &sum);
            if !f(&v) {
                while r < self.size {
                    r = 2 * r + 1;
                    let v = (self.op)(&self.data[r], &sum);
                    if f(&v) {
                        sum = v;
                        r -= 1;
                    }
                }
                return r + 1 - self.size;
            }
            sum = v;
            (r & (!r + 1)) != r
        } {}
        0
    }
}
// ---------- end segment tree Point Update Range Query ----------

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