結果

問題 No.877 Range ReLU Query
ユーザー akiradeveloperakiradeveloper
提出日時 2019-09-06 23:14:09
言語 Rust
(1.77.0 + proconio)
結果
WA  
実行時間 -
コード長 8,191 bytes
コンパイル時間 14,740 ms
コンパイル使用メモリ 403,336 KB
実行使用メモリ 7,672 KB
最終ジャッジ日時 2024-06-24 21:10:49
合計ジャッジ時間 17,077 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge4
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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 WA -
testcase_01 WA -
testcase_02 WA -
testcase_03 WA -
testcase_04 WA -
testcase_05 WA -
testcase_06 WA -
testcase_07 WA -
testcase_08 WA -
testcase_09 WA -
testcase_10 WA -
testcase_11 WA -
testcase_12 WA -
testcase_13 WA -
testcase_14 WA -
testcase_15 WA -
testcase_16 WA -
testcase_17 WA -
testcase_18 WA -
testcase_19 AC 185 ms
7,568 KB
testcase_20 WA -
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コンパイルメッセージ
warning: unused variable: `sum_all`
   --> src/main.rs:112:9
    |
112 |     let sum_all = seg.query(0, N);
    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sum_all`
    |
    = note: `#[warn(unused_variables)]` on by default

warning: struct `BinarySearch` is never constructed
   --> src/main.rs:188:8
    |
188 | struct BinarySearch<F> {
    |        ^^^^^^^^^^^^
    |
    = note: `#[warn(dead_code)]` on by default

warning: method `search` is never used
   --> src/main.rs:194:8
    |
193 | impl<F: Fn(usize) -> bool> BinarySearch<F> {
    | ------------------------------------------ method in this implementation
194 |     fn search(&self) -> (Option<usize>, usize) {
    |        ^^^^^^

warning: variable `N` should have a snake case name
   --> src/main.rs:102:9
    |
102 |         N:usize,Q:usize,
    |         ^ help: convert the identifier to snake case: `n`
    |
    = note: `#[warn(non_snake_case)]` on by default

warning: variable `Q` should have a snake case name
   --> src/main.rs:102:17
    |
102 |         N:usize,Q:usize,
    |                 ^ help: convert the identifier to snake case: `q`

ソースコード

diff # 

#[doc = " https://github.com/hatoo/competitive-rust-snippets"]
#[allow(unused_imports)]
use std::cmp::{max, min, Ordering};
#[allow(unused_imports)]
use std::collections::{BTreeMap, BTreeSet, BinaryHeap, HashMap, HashSet, VecDeque};
#[allow(unused_imports)]
use std::io::{stdin, stdout, BufWriter, Write};
#[allow(unused_imports)]
use std::iter::FromIterator;
#[allow(unused_macros)]
macro_rules ! debug { ( $ ( $ a : expr ) ,* ) => { eprintln ! ( concat ! ( $ ( stringify ! ( $ a ) , " = {:?}, " ) ,* ) , $ ( $ a ) ,* ) ; } }
#[macro_export]
macro_rules ! input { ( source = $ s : expr , $ ( $ r : tt ) * ) => { let mut parser = Parser :: from_str ( $ s ) ; input_inner ! { parser , $ ( $ r ) * } } ; ( parser = $ parser : ident , $ ( $ r : tt ) * ) => { input_inner ! { $ parser , $ ( $ r ) * } } ; ( new_stdin_parser = $ parser : ident , $ ( $ r : tt ) * ) => { let stdin = std :: io :: stdin ( ) ; let reader = std :: io :: BufReader :: new ( stdin . lock ( ) ) ; let mut $ parser = Parser :: new ( reader ) ; input_inner ! { $ parser , $ ( $ r ) * } } ; ( $ ( $ r : tt ) * ) => { input ! { new_stdin_parser = parser , $ ( $ r ) * } } ; }
#[macro_export]
macro_rules ! input_inner { ( $ parser : ident ) => { } ; ( $ parser : ident , ) => { } ; ( $ parser : ident , $ var : ident : $ t : tt $ ( $ r : tt ) * ) => { let $ var = read_value ! ( $ parser , $ t ) ; input_inner ! { $ parser $ ( $ r ) * } } ; }
#[macro_export]
macro_rules ! read_value { ( $ parser : ident , ( $ ( $ t : tt ) ,* ) ) => { ( $ ( read_value ! ( $ parser , $ t ) ) ,* ) } ; ( $ parser : ident , [ $ t : tt ; $ len : expr ] ) => { ( 0 ..$ len ) . map ( | _ | read_value ! ( $ parser , $ t ) ) . collect ::< Vec < _ >> ( ) } ; ( $ parser : ident , chars ) => { read_value ! ( $ parser , String ) . chars ( ) . collect ::< Vec < char >> ( ) } ; ( $ parser : ident , usize1 ) => { read_value ! ( $ parser , usize ) - 1 } ; ( $ parser : ident , $ t : ty ) => { $ parser . next ::<$ t > ( ) . expect ( "Parse error" ) } ; }
use std::io;
use std::io::BufRead;
use std::str;
pub struct Parser<R> {
    reader: R,
    buf: Vec<u8>,
    pos: usize,
}
impl Parser<io::Empty> {
    pub fn from_str(s: &str) -> Parser<io::Empty> {
        Parser {
            reader: io::empty(),
            buf: s.as_bytes().to_vec(),
            pos: 0,
        }
    }
}
impl<R: BufRead> Parser<R> {
    pub fn new(reader: R) -> Parser<R> {
        Parser {
            reader: reader,
            buf: vec![],
            pos: 0,
        }
    }
    pub fn update_buf(&mut self) {
        self.buf.clear();
        self.pos = 0;
        loop {
            let (len, complete) = {
                let buf2 = self.reader.fill_buf().unwrap();
                self.buf.extend_from_slice(buf2);
                let len = buf2.len();
                if len == 0 {
                    break;
                }
                (len, buf2[len - 1] <= 0x20)
            };
            self.reader.consume(len);
            if complete {
                break;
            }
        }
    }
    pub fn next<T: str::FromStr>(&mut self) -> Result<T, T::Err> {
        loop {
            let mut begin = self.pos;
            while begin < self.buf.len() && (self.buf[begin] <= 0x20) {
                begin += 1;
            }
            let mut end = begin;
            while end < self.buf.len() && (self.buf[end] > 0x20) {
                end += 1;
            }
            if begin != self.buf.len() {
                self.pos = end;
                return str::from_utf8(&self.buf[begin..end]).unwrap().parse::<T>();
            } else {
                self.update_buf();
            }
        }
    }
}
#[allow(unused_macros)]
macro_rules ! debug { ( $ ( $ a : expr ) ,* ) => { eprintln ! ( concat ! ( $ ( stringify ! ( $ a ) , " = {:?}, " ) ,* ) , $ ( $ a ) ,* ) ; } }
#[doc = " https://github.com/hatoo/competitive-rust-snippets"]
const BIG_STACK_SIZE: bool = true;
#[allow(dead_code)]
fn main() {
    use std::thread;
    if BIG_STACK_SIZE {
        thread::Builder::new()
            .stack_size(32 * 1024 * 1024)
            .name("solve".into())
            .spawn(solve)
            .unwrap()
            .join()
            .unwrap();
    } else {
        solve();
    }
}
fn solve() {
    input!{
        N:usize,Q:usize,
        a:[usize;N],
        q:[(usize,usize,usize,usize);Q],
    }
    let mut a=a;
    a.sort();
    let mut seg: SEG<SUM> = SEG::new(N);
    for i in 0..N {
        seg.update(i, a[i]);
    }
    let sum_all = seg.query(0, N);
    for (_,l,r,x) in q {
        // dbg!(l,r,x);
        let l=l-1;
        let r=r-1;
        let sum_all=seg.query(l,r+1);
        let k=a.lower_bound(&x);
        let diff0 = seg.query(l,k);
        let diff1 = x*(r-k+1);
        // dbg!(sum_all,k,diff0,diff1);
        println!("{}",sum_all-diff0-diff1);
    }
}
#[allow(dead_code)]
pub trait Monoid {
    type T: Clone;
    fn id() -> Self::T;
    fn op(a: &Self::T, b: &Self::T) -> Self::T;
}
#[allow(dead_code)]
pub struct SEG<M: Monoid> {
    n: usize,
    buf: Vec<M::T>,
}
impl<M: Monoid> SEG<M> {
    #[allow(dead_code)]
    pub fn new(n: usize) -> SEG<M> {
        let mut m = 1;
        while m < n {
            m *= 2;
        }
        SEG {
            n: m,
            buf: vec![M::id().clone(); 2 * m - 1],
        }
    }
    #[allow(dead_code)]
    pub fn update(&mut self, k: usize, a: M::T) {
        let mut k = k + self.n - 1;
        self.buf[k] = a;
        while k > 0 {
            k = (k - 1) / 2;
            self.buf[k] = M::op(&self.buf[k * 2 + 1], &self.buf[k * 2 + 2]);
        }
    }
    #[allow(dead_code)]
    pub fn get(&self, k: usize) -> M::T {
        self.buf[k + self.n].clone()
    }
    pub fn do_query(&self, a: usize, b: usize, k: usize, l: usize, r: usize) -> M::T {
        if r <= a || b <= l {
            return M::id();
        }
        if a <= l && r <= b {
            return self.buf[k].clone();
        } else {
            let vl = self.do_query(a, b, k * 2 + 1, l, (l + r) / 2);
            let vr = self.do_query(a, b, k * 2 + 2, (l + r) / 2, r);
            return M::op(&vl, &vr);
        }
    }
    #[allow(dead_code)]
    pub fn query(&self, a: usize, b: usize) -> M::T {
        self.do_query(a, b, 0, 0, self.n)
    }
}
struct SUM;
impl Monoid for SUM {
    type T = usize;
    fn id() -> Self::T {
        0
    }
    fn op(a: &Self::T, b: &Self::T) -> Self::T {
        *a + *b
    }
}
struct BinarySearch<F> {
    p: F,
    lower: usize,
    upper: usize,
}
impl<F: Fn(usize) -> bool> BinarySearch<F> {
    fn search(&self) -> (Option<usize>, usize) {
        let lower = self.lower as i32;
        let upper = self.upper as i32;
        let mut lb = lower - 1;
        let mut ub = upper + 1;
        while ub - lb > 1 {
            let mid = (lb + ub) / 2;
            if (self.p)(mid as usize) {
                ub = mid;
            } else {
                lb = mid;
            }
        }
        let former = if lb < 0 { None } else { Some(lb as usize) };
        let latter = ub as usize;
        (former, latter)
    }
}
#[doc = " Equivalent to std::lowerbound and std::upperbound in c++"]
pub trait BinarySearchCpp<T> {
    fn lower_bound(&self, x: &T) -> usize;
    fn upper_bound(&self, x: &T) -> usize;
}
impl<T: Ord> BinarySearchCpp<T> for [T] {
    fn lower_bound(&self, x: &T) -> usize {
        let mut low = 0;
        let mut high = self.len();
        while low != high {
            let mid = (low + high) / 2;
            match self[mid].cmp(x) {
                Ordering::Less => {
                    low = mid + 1;
                }
                Ordering::Equal | Ordering::Greater => {
                    high = mid;
                }
            }
        }
        low
    }
    fn upper_bound(&self, x: &T) -> usize {
        let mut low = 0;
        let mut high = self.len();
        while low != high {
            let mid = (low + high) / 2;
            match self[mid].cmp(x) {
                Ordering::Less | Ordering::Equal => {
                    low = mid + 1;
                }
                Ordering::Greater => {
                    high = mid;
                }
            }
        }
        low
    }
}
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