結果

問題 No.5017 Tool-assisted Shooting
ユーザー tipstar0125tipstar0125
提出日時 2023-07-29 12:09:06
言語 Rust
(1.77.0 + proconio)
結果
AC  
実行時間 64 ms / 2,000 ms
コード長 10,192 bytes
コンパイル時間 2,140 ms
コンパイル使用メモリ 162,416 KB
実行使用メモリ 24,384 KB
スコア 1,757,219
平均クエリ数 646.60
最終ジャッジ日時 2023-07-29 12:09:20
合計ジャッジ時間 12,014 ms
ジャッジサーバーID
（参考情報） 		judge13 / judge12
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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 52 ms
24,048 KB
testcase_01 AC 55 ms
23,412 KB
testcase_02 AC 55 ms
24,036 KB
testcase_03 AC 25 ms
24,252 KB
testcase_04 AC 51 ms
23,544 KB
testcase_05 AC 43 ms
23,544 KB
testcase_06 AC 31 ms
24,048 KB
testcase_07 AC 54 ms
24,264 KB
testcase_08 AC 47 ms
24,360 KB
testcase_09 AC 52 ms
24,324 KB
testcase_10 AC 38 ms
24,036 KB
testcase_11 AC 25 ms
23,532 KB
testcase_12 AC 46 ms
24,060 KB
testcase_13 AC 46 ms
23,376 KB
testcase_14 AC 61 ms
24,024 KB
testcase_15 AC 53 ms
24,048 KB
testcase_16 AC 60 ms
24,372 KB
testcase_17 AC 55 ms
24,360 KB
testcase_18 AC 26 ms
24,252 KB
testcase_19 AC 52 ms
23,508 KB
testcase_20 AC 33 ms
23,664 KB
testcase_21 AC 55 ms
23,844 KB
testcase_22 AC 26 ms
24,348 KB
testcase_23 AC 50 ms
23,376 KB
testcase_24 AC 43 ms
24,060 KB
testcase_25 AC 24 ms
24,036 KB
testcase_26 AC 37 ms
24,384 KB
testcase_27 AC 54 ms
24,024 KB
testcase_28 AC 44 ms
24,372 KB
testcase_29 AC 38 ms
23,832 KB
testcase_30 AC 51 ms
24,372 KB
testcase_31 AC 50 ms
24,384 KB
testcase_32 AC 29 ms
23,640 KB
testcase_33 AC 47 ms
23,532 KB
testcase_34 AC 59 ms
23,544 KB
testcase_35 AC 54 ms
23,412 KB
testcase_36 AC 38 ms
23,364 KB
testcase_37 AC 54 ms
24,276 KB
testcase_38 AC 45 ms
24,336 KB
testcase_39 AC 38 ms
23,388 KB
testcase_40 AC 54 ms
24,384 KB
testcase_41 AC 29 ms
24,048 KB
testcase_42 AC 25 ms
23,544 KB
testcase_43 AC 26 ms
24,048 KB
testcase_44 AC 24 ms
24,036 KB
testcase_45 AC 52 ms
23,664 KB
testcase_46 AC 54 ms
24,072 KB
testcase_47 AC 45 ms
23,592 KB
testcase_48 AC 54 ms
23,832 KB
testcase_49 AC 31 ms
23,652 KB
testcase_50 AC 55 ms
23,640 KB
testcase_51 AC 29 ms
23,532 KB
testcase_52 AC 54 ms
23,436 KB
testcase_53 AC 51 ms
23,616 KB
testcase_54 AC 24 ms
24,264 KB
testcase_55 AC 31 ms
23,676 KB
testcase_56 AC 42 ms
24,036 KB
testcase_57 AC 48 ms
23,844 KB
testcase_58 AC 55 ms
24,264 KB
testcase_59 AC 58 ms
23,640 KB
testcase_60 AC 30 ms
24,024 KB
testcase_61 AC 26 ms
23,832 KB
testcase_62 AC 40 ms
23,544 KB
testcase_63 AC 53 ms
23,412 KB
testcase_64 AC 57 ms
23,376 KB
testcase_65 AC 32 ms
24,036 KB
testcase_66 AC 53 ms
24,036 KB
testcase_67 AC 53 ms
23,628 KB
testcase_68 AC 41 ms
23,424 KB
testcase_69 AC 30 ms
24,360 KB
testcase_70 AC 23 ms
23,376 KB
testcase_71 AC 53 ms
23,664 KB
testcase_72 AC 55 ms
24,048 KB
testcase_73 AC 42 ms
23,832 KB
testcase_74 AC 27 ms
23,376 KB
testcase_75 AC 44 ms
23,640 KB
testcase_76 AC 43 ms
23,664 KB
testcase_77 AC 28 ms
24,024 KB
testcase_78 AC 50 ms
23,412 KB
testcase_79 AC 37 ms
23,424 KB
testcase_80 AC 45 ms
23,424 KB
testcase_81 AC 55 ms
24,060 KB
testcase_82 AC 33 ms
23,376 KB
testcase_83 AC 31 ms
24,276 KB
testcase_84 AC 28 ms
23,544 KB
testcase_85 AC 39 ms
23,832 KB
testcase_86 AC 25 ms
23,376 KB
testcase_87 AC 54 ms
23,388 KB
testcase_88 AC 56 ms
23,844 KB
testcase_89 AC 53 ms
24,060 KB
testcase_90 AC 32 ms
24,048 KB
testcase_91 AC 52 ms
23,544 KB
testcase_92 AC 25 ms
23,376 KB
testcase_93 AC 45 ms
24,276 KB
testcase_94 AC 53 ms
23,664 KB
testcase_95 AC 53 ms
23,424 KB
testcase_96 AC 64 ms
24,264 KB
testcase_97 AC 34 ms
24,072 KB
testcase_98 AC 46 ms
24,060 KB
testcase_99 AC 25 ms
23,532 KB
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ソースコード

diff # 

#![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 NG: isize = -(1 << 60);
const NO_ENEMY: isize = -((1 << 60) + 1);
const CANNOT_BEAT: isize = -((1 << 60) + 2);
const COLLISION: isize = -((1 << 60) + 3);
const THRESHOLD: isize = 300;

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

impl State {
    fn new() -> Self {
        State {
            pos: (12, 0),
            S: 0,
            score: 0,
            field: vec![vec![(0, 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, h);
        }
    }
    fn get_level(&self) -> isize {
        (1 + self.S / 100) as isize
    }
    fn check_front_enemy(&self) -> isize {
        let (now_x, now_y) = self.pos;
        for y in now_y + 1..H + TURN + 10 {
            if self.field[y][now_x] != (0, 0, 0) {
                let (h, p, _) = self.field[y][now_x];
                let dy = y - now_y;
                let level = self.get_level();
                let t = (h + level - 1) / level;
                // t >= 1, dy >= 2
                // dy = 1 => Game over
                if dy <= t as usize {
                    return CANNOT_BEAT;
                } else if level <= THRESHOLD {
                    return p as isize / t;
                } else {
                    return h / t;
                }
            }
        }
        NO_ENEMY
    }
    fn check_left_enemy(&self, d: usize) -> isize {
        let (now_x, now_y) = self.pos;
        let x = (W + now_x - d) % W;
        if self.field[now_y + d][x] != (0, 0, 0) {
            return COLLISION;
        }
        for y in now_y + d + 1..H + TURN + 10 {
            if self.field[y][x] != (0, 0, 0) {
                let (h, p, _) = 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 CANNOT_BEAT;
                } else if level <= THRESHOLD {
                    return p as isize / t;
                } else {
                    return h / t;
                }
            }
        }
        NO_ENEMY
    }
    fn check_right_enemy(&self, d: usize) -> isize {
        let (now_x, now_y) = self.pos;
        let x = (now_x + d) % W;
        if self.field[now_y + d][x] != (0, 0, 0) {
            return COLLISION;
        }
        for y in now_y + d + 1..H + TURN + 10 {
            if self.field[y][x] != (0, 0, 0) {
                let (h, p, _) = 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 CANNOT_BEAT;
                } else if level <= THRESHOLD {
                    return p as isize / t;
                } else {
                    return h / t;
                }
            }
        }
        NO_ENEMY
    }
    fn check_left_num_enemy(&self, d: usize) -> usize {
        let (now_x, now_y) = self.pos;
        let x = (W + now_x - d) % W;
        let mut cnt = 0_usize;
        for y in now_y + d + 1..H + TURN + 10 {
            if self.field[y][x] != (0, 0, 0) {
                cnt += 1;
            }
        }
        cnt
    }
    fn check_right_num_enemy(&self, d: usize) -> usize {
        let (now_x, now_y) = self.pos;
        let x = (now_x + d) % W;
        let mut cnt = 0_usize;
        for y in now_y + d + 1..H + TURN + 10 {
            if self.field[y][x] != (0, 0, 0) {
                cnt += 1;
            }
        }
        cnt
    }
    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, 0) {
                let (h, p, init_hp) = self.field[y][x];
                let level = (1 + self.S / 100) as isize;
                if h - level <= 0 {
                    self.S += p;
                    self.score += init_hp;
                    self.field[y][x] = (0, 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 {
    #[allow(clippy::vec_init_then_push)]
    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);
            let mut v = vec![];
            v.push((state.check_front_enemy(), 0));
            v.push((state.check_left_enemy(1), -1));
            v.push((state.check_right_enemy(1), 1));
            v.sort();
            v.reverse();
            let (t, mut action) = v[0];
            if action == 0 && t < NG {
                let mut left_enemy_num = 0;
                let mut right_enemy_num = 0;
                for i in 1..=3 {
                    left_enemy_num += state.check_left_num_enemy(i);
                    right_enemy_num += state.check_right_num_enemy(i);
                }

                if state.check_left_enemy(1) == COLLISION && state.check_right_enemy(1) == COLLISION
                {
                    action = 0;
                } else if state.check_left_enemy(1) == COLLISION {
                    action = 1;
                } else if state.check_right_enemy(1) == COLLISION {
                    action = -1;
                } else if left_enemy_num < right_enemy_num {
                    action = 1;
                } else {
                    action = -1;
                }
            }
            state.advance(action);
        }
        eprintln!("Score: {}", state.score);
        eprintln!("S: {}", state.S);
    }
}

#[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()
}
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