#895624 (Rust) No.5017 Tool-assisted Shooting

• 問題: No.5017 Tool-assisted Shooting
• ユーザー: tipstar0125
• 提出日時: 2023-07-27 22:24:50
• 言語: Rust (1.77.0 + proconio)
• 結果: AC
• 実行時間: 78 ms / 2,000 ms
• コード長: 9,171 bytes
• コンパイル時間: 5,965 ms
• コンパイル使用メモリ: 159,336 KB
• 実行使用メモリ: 24,480 KB
• スコア: 3,891,630
• 平均クエリ数: 1000.00
• 最終ジャッジ日時: 2023-07-27 22:25:07
• 合計ジャッジ時間: 16,572 ms
• ジャッジサーバーID （参考情報）: judge13 / judge15

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	68 ms; 23,412 KB
testcase_01	AC	62 ms; 24,480 KB
testcase_02	AC	60 ms; 23,568 KB
testcase_03	AC	60 ms; 23,400 KB
testcase_04	AC	60 ms; 24,048 KB
testcase_05	AC	61 ms; 23,520 KB
testcase_06	AC	62 ms; 24,012 KB
testcase_07	AC	61 ms; 23,796 KB
testcase_08	AC	60 ms; 24,204 KB
testcase_09	AC	61 ms; 23,400 KB
testcase_10	AC	61 ms; 23,688 KB
testcase_11	AC	60 ms; 23,364 KB
testcase_12	AC	61 ms; 23,352 KB
testcase_13	AC	62 ms; 23,388 KB
testcase_14	AC	60 ms; 24,252 KB
testcase_15	AC	61 ms; 23,364 KB
testcase_16	AC	60 ms; 23,628 KB
testcase_17	AC	61 ms; 23,400 KB
testcase_18	AC	78 ms; 24,060 KB
testcase_19	AC	61 ms; 23,400 KB
testcase_20	AC	59 ms; 23,412 KB
testcase_21	AC	61 ms; 24,312 KB
testcase_22	AC	60 ms; 23,688 KB
testcase_23	AC	59 ms; 24,372 KB
testcase_24	AC	60 ms; 23,664 KB
testcase_25	AC	61 ms; 24,060 KB
testcase_26	AC	61 ms; 24,024 KB
testcase_27	AC	61 ms; 23,412 KB
testcase_28	AC	61 ms; 24,360 KB
testcase_29	AC	60 ms; 23,796 KB
testcase_30	AC	61 ms; 24,408 KB
testcase_31	AC	59 ms; 23,412 KB
testcase_32	AC	61 ms; 23,892 KB
testcase_33	AC	61 ms; 24,036 KB
testcase_34	AC	60 ms; 23,424 KB
testcase_35	AC	60 ms; 24,036 KB
testcase_36	AC	60 ms; 24,252 KB
testcase_37	AC	62 ms; 24,336 KB
testcase_38	AC	61 ms; 23,436 KB
testcase_39	AC	60 ms; 23,580 KB
testcase_40	AC	61 ms; 23,688 KB
testcase_41	AC	61 ms; 24,336 KB
testcase_42	AC	62 ms; 23,520 KB
testcase_43	AC	61 ms; 24,336 KB
testcase_44	AC	60 ms; 24,360 KB
testcase_45	AC	61 ms; 24,336 KB
testcase_46	AC	62 ms; 24,012 KB
testcase_47	AC	60 ms; 23,448 KB
testcase_48	AC	60 ms; 24,024 KB
testcase_49	AC	60 ms; 24,072 KB
testcase_50	AC	60 ms; 23,376 KB
testcase_51	AC	61 ms; 23,412 KB
testcase_52	AC	60 ms; 24,348 KB
testcase_53	AC	60 ms; 23,580 KB
testcase_54	AC	60 ms; 23,664 KB
testcase_55	AC	62 ms; 24,012 KB
testcase_56	AC	60 ms; 24,012 KB
testcase_57	AC	60 ms; 23,640 KB
testcase_58	AC	61 ms; 24,024 KB
testcase_59	AC	61 ms; 23,832 KB
testcase_60	AC	60 ms; 24,240 KB
testcase_61	AC	60 ms; 23,808 KB
testcase_62	AC	60 ms; 24,012 KB
testcase_63	AC	60 ms; 23,424 KB
testcase_64	AC	61 ms; 23,796 KB
testcase_65	AC	61 ms; 23,448 KB
testcase_66	AC	61 ms; 23,700 KB
testcase_67	AC	60 ms; 23,628 KB
testcase_68	AC	61 ms; 23,628 KB
testcase_69	AC	60 ms; 23,820 KB
testcase_70	AC	60 ms; 23,400 KB
testcase_71	AC	61 ms; 23,688 KB
testcase_72	AC	60 ms; 24,336 KB
testcase_73	AC	61 ms; 24,372 KB
testcase_74	AC	60 ms; 24,336 KB
testcase_75	AC	62 ms; 24,408 KB
testcase_76	AC	61 ms; 23,964 KB
testcase_77	AC	61 ms; 23,568 KB
testcase_78	AC	60 ms; 24,060 KB
testcase_79	AC	61 ms; 23,652 KB
testcase_80	AC	60 ms; 24,336 KB
testcase_81	AC	61 ms; 23,508 KB
testcase_82	AC	61 ms; 23,400 KB
testcase_83	AC	60 ms; 24,240 KB
testcase_84	AC	60 ms; 24,012 KB
testcase_85	AC	61 ms; 23,436 KB
testcase_86	AC	61 ms; 23,640 KB
testcase_87	AC	62 ms; 24,048 KB
testcase_88	AC	61 ms; 23,616 KB
testcase_89	AC	60 ms; 24,060 KB
testcase_90	AC	60 ms; 24,036 KB
testcase_91	AC	63 ms; 24,012 KB
testcase_92	AC	60 ms; 23,808 KB
testcase_93	AC	61 ms; 23,388 KB
testcase_94	AC	60 ms; 23,832 KB
testcase_95	AC	61 ms; 23,424 KB
testcase_96	AC	61 ms; 23,820 KB
testcase_97	AC	60 ms; 24,024 KB
testcase_98	AC	61 ms; 24,336 KB
testcase_99	AC	61 ms; 23,412 KB

ソースコード

#![allow(non_snake_case)]
#![allow(unused_imports)]
#![allow(unused_macros)]
#![allow(clippy::comparison_chain)]
#![allow(clippy::nonminimal_bool)]
#![allow(clippy::neg_multiply)]
#![allow(clippy::type_complexity)]
#![allow(clippy::needless_range_loop)]
#![allow(dead_code)]

use std::{
    cmp::Reverse,
    collections::{BTreeMap, BTreeSet, BinaryHeap, VecDeque},
};

mod rnd {
    static mut S: usize = 0;
    static MAX: usize = 1e9 as usize;

    #[inline]
    pub fn init(seed: usize) {
        unsafe {
            if seed == 0 {
                let t = std::time::SystemTime::now()
                    .duration_since(std::time::UNIX_EPOCH)
                    .unwrap()
                    .as_secs() as usize;
                S = t
            } else {
                S = seed;
            }
        }
    }
    #[inline]
    pub fn gen() -> usize {
        unsafe {
            if S == 0 {
                init(0);
            }
            S ^= S << 7;
            S ^= S >> 9;
            S
        }
    }
    #[inline]
    pub fn gen_range(a: usize, b: usize) -> usize {
        gen() % (b - a) + a
    }
    #[inline]
    pub fn gen_bool() -> bool {
        gen() & 1 == 1
    }
    #[inline]
    pub fn gen_range_isize(a: usize) -> isize {
        let mut x = (gen() % a) as isize;
        if gen_bool() {
            x *= -1;
        }
        x
    }
    #[inline]
    pub fn gen_range_neg_wrapping(a: usize) -> usize {
        let mut x = gen() % a;
        if gen_bool() {
            x = x.wrapping_neg();
        }
        x
    }
    #[inline]
    pub fn gen_float() -> f64 {
        ((gen() % MAX) as f64) / MAX as f64
    }
}

#[derive(Debug, Clone)]
struct TimeKeeper {
    start_time: std::time::Instant,
    time_threshold: f64,
}

impl TimeKeeper {
    fn new(time_threshold: f64) -> Self {
        TimeKeeper {
            start_time: std::time::Instant::now(),
            time_threshold,
        }
    }
    #[inline]
    fn isTimeOver(&self) -> bool {
        let elapsed_time = self.start_time.elapsed().as_nanos() as f64 * 1e-9;
        #[cfg(feature = "local")]
        {
            elapsed_time * 1.5 >= self.time_threshold
        }
        #[cfg(not(feature = "local"))]
        {
            elapsed_time >= self.time_threshold
        }
    }
    #[inline]
    fn get_time(&self) -> f64 {
        let elapsed_time = self.start_time.elapsed().as_nanos() as f64 * 1e-9;
        #[cfg(feature = "local")]
        {
            elapsed_time * 1.5
        }
        #[cfg(not(feature = "local"))]
        {
            elapsed_time
        }
    }
}

const H: usize = 60;
const W: usize = 25;
const TURN: usize = 1000;
const INF: isize = 1 << 60;

#[derive(Debug, Clone)]
struct State {
    pos: (usize, usize),
    S: usize,
    field: Vec<Vec<(isize, usize)>>,
    turn: usize,
}

impl State {
    fn new() -> Self {
        State {
            pos: (12, 0),
            S: 0,
            field: vec![vec![(0, 0); W]; H + TURN + 10],
            turn: 0,
        }
    }
    fn update_field(&mut self, n: usize) {
        let y = H + self.turn;
        for _ in 0..n {
            let v: Vec<usize> = read_vec();
            let h = v[0] as isize;
            let p = v[1];
            let x = v[2];
            self.field[y][x] = (h, p);
        }
    }
    fn get_level(&self) -> isize {
        (1 + self.S / 100) as isize
    }
    fn check_front_enemy(&self) -> bool {
        let (now_x, now_y) = self.pos;
        for y in now_y + 1..H + TURN + 10 {
            if self.field[y][now_x] != (0, 0) {
                let (h, _) = self.field[y][now_x];
                let dy = y - now_y;
                let level = (1 + self.S / 100) as isize;
                let t = (h + level - 1) / level;
                // t >= 1, dy >= 2
                // dy = 1 => Game over
                return dy > t as usize;
            }
        }
        false
    }
    fn check_left_enemy(&self) -> isize {
        let (now_x, now_y) = self.pos;
        let x = (W + now_x - 1) % W;
        for y in now_y + 2..H + TURN + 10 {
            if self.field[y][x] != (0, 0) {
                let (h, _) = self.field[y][x];
                let dy = y - now_y;
                let level = self.get_level();
                let t = (h + level - 1) / level;
                if dy <= t as usize {
                    return INF;
                } else {
                    return t;
                }
            }
        }
        INF
    }
    fn check_right_enemy(&self) -> isize {
        let (now_x, now_y) = self.pos;
        let x = (now_x + 1) % W;
        for y in now_y + 2..H + TURN + 10 {
            if self.field[y][x] != (0, 0) {
                let (h, _) = self.field[y][x];
                let dy = y - now_y;
                let level = self.get_level();
                let t = (h + level - 1) / level;
                if dy <= t as usize {
                    return INF;
                } else {
                    return t;
                }
            }
        }
        INF
    }
    fn judge_collision_left(&self, d: usize) -> bool {
        let (now_x, now_y) = self.pos;
        let level = self.get_level();
        // self.field[now_y + d][(W + now_x - d) % W] != (0, 0)
        //     || self.field[now_y + d + 1][(W + now_x - d) % W] != (0, 0)
        let is_collision = self.field[now_y + d][(W + now_x - d) % W] != (0, 0);
        let is_next_turn_collision = self.field[now_y + d + 1][(W + now_x - d) % W].0 > level;
        is_collision || is_next_turn_collision
    }
    fn judge_collision_right(&self, d: usize) -> bool {
        let (now_x, now_y) = self.pos;
        let level = self.get_level();
        // self.field[now_y + d][(now_x + d) % W] != (0, 0)
        //     || self.field[now_y + d + 1][(now_x + d) % W] != (0, 0)
        let is_collision = self.field[now_y + d][(now_x + d) % W] != (0, 0);
        let is_next_turn_collision = self.field[now_y + d + 1][(now_x + d) % W].0 > level;
        is_collision || is_next_turn_collision
    }
    fn advance(&mut self, action: isize) {
        self.pos.1 += 1;
        self.pos.0 = (W as isize + action + self.pos.0 as isize) as usize % W;
        self.attack();
        self.turn += 1;
        self.output(action);
    }
    fn attack(&mut self) {
        let (now_x, now_y) = self.pos;
        let x = now_x;
        for y in now_y + 1..H + TURN + 10 {
            if self.field[y][x] != (0, 0) {
                let (h, p) = self.field[y][x];
                let level = (1 + self.S / 100) as isize;
                if h - level <= 0 {
                    self.S += p;
                    self.field[y][x] = (0, 0);
                } else {
                    self.field[y][x].0 -= level;
                }
                return;
            }
        }
    }
    fn is_done(&self) -> bool {
        self.turn == TURN
    }
    fn output(&self, action: isize) {
        if action == 0 {
            println!("S");
        } else if action == -1 {
            println!("L");
        } else {
            println!("R");
        }
    }
}

#[derive(Default)]
struct Solver {}
impl Solver {
    fn solve(&mut self) {
        let mut state = State::new();

        #[cfg(feature = "local")]
        {
            eprintln!("Local Mode");
            let _: Vec<usize> = read_vec();
        }

        while !state.is_done() {
            let N: isize = read();
            if N == -1 {
                return;
            }

            state.update_field(N as usize);
            if state.check_front_enemy()
                || (state.judge_collision_left(1) && state.judge_collision_right(1))
            {
                state.advance(0);
            } else if state.judge_collision_left(1) {
                state.advance(1);
            } else if state.judge_collision_right(1) {
                state.advance(-1);
            } else {
                let left = state.check_left_enemy();
                let right = state.check_right_enemy();
                if left == right {
                    if left == INF + 1 {
                        state.advance(0);
                    } else {
                        state.advance(1);
                    }
                } else if left < right {
                    state.advance(-1);
                } else {
                    state.advance(1);
                }
            }
        }
    }
}

#[macro_export]
macro_rules! max {
    ($x: expr) => ($x);
    ($x: expr, $( $y: expr ),+) => {
        std::cmp::max($x, max!($( $y ),+))
    }
}
#[macro_export]
macro_rules! min {
    ($x: expr) => ($x);
    ($x: expr, $( $y: expr ),+) => {
        std::cmp::min($x, min!($( $y ),+))
    }
}

fn main() {
    std::thread::Builder::new()
        .stack_size(128 * 1024 * 1024)
        .spawn(|| Solver::default().solve())
        .unwrap()
        .join()
        .unwrap();
}

fn read<T: std::str::FromStr>() -> T {
    let mut s = String::new();
    std::io::stdin().read_line(&mut s).ok();
    s.trim().parse().ok().unwrap()
}

fn read_vec<T: std::str::FromStr>() -> Vec<T> {
    read::<String>()
        .split_whitespace()
        .map(|e| e.parse().ok().unwrap())
        .collect()
}