結果

問題 No.1226 I hate Robot Arms
ユーザー りあんりあん
提出日時 2020-09-11 23:42:40
言語 C#(csc)
(csc 3.9.0)
結果
AC  
実行時間 877 ms / 2,000 ms
コード長 8,845 bytes
コンパイル時間 3,403 ms
コンパイル使用メモリ 116,576 KB
実行使用メモリ 38,160 KB
最終ジャッジ日時 2023-08-30 10:39:43
合計ジャッジ時間 25,301 ms
ジャッジサーバーID
（参考情報） 		judge14 / judge15
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 72 ms
24,224 KB
testcase_01 AC 74 ms
24,500 KB
testcase_02 AC 311 ms
28,832 KB
testcase_03 AC 343 ms
31,604 KB
testcase_04 AC 364 ms
36,148 KB
testcase_05 AC 322 ms
38,160 KB
testcase_06 AC 746 ms
34,320 KB
testcase_07 AC 286 ms
26,764 KB
testcase_08 AC 143 ms
36,104 KB
testcase_09 AC 569 ms
31,524 KB
testcase_10 AC 128 ms
30,432 KB
testcase_11 AC 395 ms
34,232 KB
testcase_12 AC 252 ms
31,044 KB
testcase_13 AC 200 ms
36,100 KB
testcase_14 AC 681 ms
31,608 KB
testcase_15 AC 114 ms
34,132 KB
testcase_16 AC 729 ms
36,148 KB
testcase_17 AC 259 ms
31,472 KB
testcase_18 AC 194 ms
29,704 KB
testcase_19 AC 407 ms
36,204 KB
testcase_20 AC 379 ms
36,152 KB
testcase_21 AC 497 ms
34,080 KB
testcase_22 AC 755 ms
36,264 KB
testcase_23 AC 755 ms
36,028 KB
testcase_24 AC 765 ms
36,272 KB
testcase_25 AC 760 ms
36,124 KB
testcase_26 AC 760 ms
36,116 KB
testcase_27 AC 877 ms
36,096 KB
testcase_28 AC 862 ms
36,064 KB
testcase_29 AC 860 ms
34,232 KB
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コンパイルメッセージ
Microsoft (R) Visual C# Compiler version 3.9.0-6.21124.20 (db94f4cc)
Copyright (C) Microsoft Corporation. All rights reserved.

ソースコード

diff # 

using System;
using System.Collections.Generic;
using System.Linq;
using System.IO;
using System.Threading;
using System.Text;
using System.Text.RegularExpressions;
using System.Diagnostics;
using static util;
using P = pair<int, int>;

class Program {
    static void Main(string[] args) {
        var sw = new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false };
        var solver = new Solver(sw);
        // var t = new Thread(solver.solve, 1 << 28); // 256 MB
        // t.Start();
        // t.Join();
        solver.solve();
        sw.Flush();
    }
}

class Solver {
    StreamWriter sw;
    Scan sc;
    void Prt(string a) => sw.WriteLine(a);
    void Prt<T>(IEnumerable<T> a) => Prt(string.Join(" ", a));
    void Prt(params object[] a) => Prt(string.Join(" ", a));
    public Solver(StreamWriter sw) {
        this.sw = sw;
        this.sc = new Scan();
    }

    struct node {
        public double len;
        public double rad;
        double rad2;
        public node(double len, double rad) : this(len, rad, rad) {}
        public node(double len, double rad, double rad2) {
            this.len = len;
            this.rad = rad;
            this.rad2 = rad2;
        }
        public static node merge(node a, node b) {
            double x = a.len * Math.Cos(a.rad) + b.len * Math.Cos(a.rad2 + b.rad);
            double y = a.len * Math.Sin(a.rad) + b.len * Math.Sin(a.rad2 + b.rad);
            double l = Math.Sqrt(x * x + y * y);
            double r = Math.Atan2(y, x);
            return new node(l, r, a.rad2 + b.rad2);
        }

    }

    public void solve() {
        int n, q;
        sc.Multi(out n, out q);
        var sg = new Segtree<node>(n, node.merge, new node(0, 0));
        for (int i = 0; i < n; i++)
        {
            sg.assign(i, new node(1, 0));
        }
        sg.all_update();
        for (int _ = 0; _ < q; _++)
        {
            var inp = sc.IntArr;
            if (inp[0] == 0) {
                int i = inp[1] - 1;
                int x = inp[2];
                sg.update(i, new node(sg.at(i).len, x * Math.PI / 180));
            }
            else if (inp[0] == 1) {
                int i = inp[1] - 1;
                int x = inp[2];
                sg.update(i, new node(x, sg.at(i).rad));
            }
            else {
                int i = inp[1];
                var nd = sg.run(0, i);
                Prt(nd.len * Math.Cos(nd.rad), nd.len * Math.Sin(nd.rad));
            }

        }

    }
}

class pair<T, U> : IComparable<pair<T, U>> {
    public T v1;
    public U v2;
    public pair() : this(default(T), default(U)) {}
    public pair(T v1, U v2) { this.v1 = v1; this.v2 = v2; }
    public int CompareTo(pair<T, U> a) {
        int c = Comparer<T>.Default.Compare(v1, a.v1);
        return c != 0 ? c : Comparer<U>.Default.Compare(v2, a.v2);
    }
    public override string ToString() => v1 + " " + v2;
    public void Deconstruct(out T a, out U b) { a = v1; b = v2; }
}
static class util {
    public static readonly int M = 1000000007;
    // public static readonly int M = 998244353;
    public static readonly long LM = 1L << 60;
    public static readonly double eps = 1e-11;
    public static void DBG(string a) => Console.Error.WriteLine(a);
    public static void DBG<T>(IEnumerable<T> a) => DBG(string.Join(" ", a));
    public static void DBG(params object[] a) => DBG(string.Join(" ", a));
    public static void Assert(params bool[] conds) {
        if (conds.Any(x => !x)) throw new Exception();
    }
    public static pair<T, U> make_pair<T, U>(T v1, U v2) => new pair<T, U>(v1, v2);
    public static int CompareList<T>(IList<T> a, IList<T> b) where T : IComparable<T> {
        for (int i = 0; i < a.Count && i < b.Count; i++)
            if (a[i].CompareTo(b[i]) != 0) return a[i].CompareTo(b[i]);
        return a.Count.CompareTo(b.Count);
    }
    public static bool inside(int i, int j, int h, int w) => i >= 0 && i < h && j >= 0 && j < w;
    public static readonly int[] dd = { 0, 1, 0, -1 };
    // static readonly string dstring = "RDLU";
    public static IEnumerable<P> adjacents(int i, int j)
        => Enumerable.Range(0, dd.Length).Select(k => new P(i + dd[k], j + dd[k ^ 1]));
    public static IEnumerable<P> adjacents(int i, int j, int h, int w)
        => adjacents(i, j).Where(p => inside(p.v1, p.v2, h, w));
    public static IEnumerable<P> adjacents(this P p) => adjacents(p.v1, p.v2);
    public static IEnumerable<P> adjacents(this P p, int h, int w) => adjacents(p.v1, p.v2, h, w);
    public static IEnumerable<int> all_subset(this int p) {
        for (int i = 0; ; i = i - p & p) {
            yield return i;
            if (i == p) break;
        }
    }
    public static Dictionary<T, int> compress<T>(this IEnumerable<T> a)
        => a.Distinct().OrderBy(v => v).Select((v, i) => new { v, i }).ToDictionary(p => p.v, p => p.i);
    public static Dictionary<T, int> compress<T>(params IEnumerable<T>[] a) => compress(a.SelectMany(x => x));
    public static T[] inv<T>(this Dictionary<T, int> dic) {
        var res = new T[dic.Count];
        foreach (var item in dic) res[item.Value] = item.Key;
        return res;
    }
    public static void swap<T>(ref T a, ref T b) where T : struct { var t = a; a = b; b = t; }
    public static void swap<T>(this IList<T> a, int i, int j) where T : struct { var t = a[i]; a[i] = a[j]; a[j] = t; }
    public static T[] copy<T>(this IList<T> a) {
        var ret = new T[a.Count];
        for (int i = 0; i < a.Count; i++) ret[i] = a[i];
        return ret;
    }
}

class Scan {
    StreamReader sr;
    public Scan() { sr = new StreamReader(Console.OpenStandardInput()); }
    public Scan(string path) { sr = new StreamReader(path); }
    public int Int => int.Parse(Str);
    public long Long => long.Parse(Str);
    public double Double => double.Parse(Str);
    public string Str => ReadLine.Trim();
    public string ReadLine => sr.ReadLine();
    public pair<T, U> Pair<T, U>() {
        T a; U b;
        Multi(out a, out b);
        return new pair<T, U>(a, b);
    }
    public P P => Pair<int, int>();
    public int[] IntArr => StrArr.Select(int.Parse).ToArray();
    public long[] LongArr => StrArr.Select(long.Parse).ToArray();
    public double[] DoubleArr => StrArr.Select(double.Parse).ToArray();
    public string[] StrArr => Str.Split(new[]{' '}, StringSplitOptions.RemoveEmptyEntries);
    bool eq<T, U>() => typeof(T).Equals(typeof(U));
    T ct<T, U>(U a) => (T)Convert.ChangeType(a, typeof(T));
    T cv<T>(string s) => eq<T, int>()    ? ct<T, int>(int.Parse(s))
                       : eq<T, long>()   ? ct<T, long>(long.Parse(s))
                       : eq<T, double>() ? ct<T, double>(double.Parse(s))
                       : eq<T, char>()   ? ct<T, char>(s[0])
                                         : ct<T, string>(s);
    public void Multi<T>(out T a) => a = cv<T>(Str);
    public void Multi<T, U>(out T a, out U b) {
        var ar = StrArr; a = cv<T>(ar[0]); b = cv<U>(ar[1]);
    }
    public void Multi<T, U, V>(out T a, out U b, out V c) {
        var ar = StrArr; a = cv<T>(ar[0]); b = cv<U>(ar[1]); c = cv<V>(ar[2]);
    }
    public void Multi<T, U, V, W>(out T a, out U b, out V c, out W d) {
        var ar = StrArr; a = cv<T>(ar[0]); b = cv<U>(ar[1]); c = cv<V>(ar[2]); d = cv<W>(ar[3]);
    }
    public void Multi<T, U, V, W, X>(out T a, out U b, out V c, out W d, out X e) {
        var ar = StrArr; a = cv<T>(ar[0]); b = cv<U>(ar[1]); c = cv<V>(ar[2]); d = cv<W>(ar[3]); e = cv<X>(ar[4]);
    }
}

class Segtree<T> {
    int n;
    T[] data;
    Func<T, T, T> f;
    T identity;

    public Segtree(int m, Func<T, T, T> f, T identity) {
        this.f = f;
        this.identity = identity;
        n = 1;
        while (n < m) n <<= 1;
        data = new T[(n << 1) - 1];
        for (int i = 0; i < data.Length; i++) data[i] = identity;
    }
    public Segtree(int m, IList<T> ini, Func<T, T, T> f, T identity) : this(m, f, identity) {
        for (int i = 0; i < m; ++i) assign(i, ini[i]);
        all_update();
    }
    public void assign(int j, T x) => data[j + n - 1] = x;
    public void update(int j, T x) {
        assign(j, x);
        update(j);
    }
    public void update(int j) {
        int i = j + n - 1;
        while (i > 0) {
            i = i - 1 >> 1;
            data[i] = f(data[i << 1 | 1], data[i + 1 << 1]);
        }
    }
    public void all_update() {
        for (int i = n - 2; i >= 0; i--)
            data[i] = f(data[i << 1 | 1], data[i + 1 << 1]);
    }
    public T at(int i) => data[i + n - 1];

    // [s, t)
    public T run(int s, int t) => run(s, t, 0, 0, n);
    T run(int s, int t, int k, int l, int r) => r <= s || t <= l ? identity : s <= l && r <= t ? data[k]
            : f(run(s, t, k << 1 | 1, l, l + r >> 1), run(s, t, k + 1 << 1, l + r >> 1, r));
}
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