結果

問題 No.1036 Make One With GCD 2
ユーザー eSeFeSeF
提出日時 2020-04-25 02:03:34
言語 C#(csc)
(csc 3.9.0)
結果
AC  
実行時間 1,742 ms / 2,000 ms
コード長 9,035 bytes
コンパイル時間 4,278 ms
コンパイル使用メモリ 120,444 KB
実行使用メモリ 98,720 KB
最終ジャッジ日時 2024-09-16 13:36:02
合計ジャッジ時間 32,194 ms
ジャッジサーバーID
（参考情報） 		judge2 / 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 AC 1,100 ms
90,736 KB
testcase_01 AC 584 ms
75,048 KB
testcase_02 AC 572 ms
97,816 KB
testcase_03 AC 134 ms
44,340 KB
testcase_04 AC 220 ms
57,224 KB
testcase_05 AC 27 ms
23,768 KB
testcase_06 AC 26 ms
23,988 KB
testcase_07 AC 220 ms
50,164 KB
testcase_08 AC 190 ms
53,512 KB
testcase_09 AC 759 ms
72,612 KB
testcase_10 AC 711 ms
72,052 KB
testcase_11 AC 775 ms
75,796 KB
testcase_12 AC 713 ms
76,432 KB
testcase_13 AC 1,038 ms
93,260 KB
testcase_14 AC 1,045 ms
95,708 KB
testcase_15 AC 954 ms
86,816 KB
testcase_16 AC 978 ms
86,928 KB
testcase_17 AC 989 ms
90,348 KB
testcase_18 AC 31 ms
26,656 KB
testcase_19 AC 30 ms
25,136 KB
testcase_20 AC 34 ms
26,744 KB
testcase_21 AC 34 ms
24,792 KB
testcase_22 AC 954 ms
90,484 KB
testcase_23 AC 720 ms
74,212 KB
testcase_24 AC 1,000 ms
95,988 KB
testcase_25 AC 904 ms
85,172 KB
testcase_26 AC 938 ms
88,192 KB
testcase_27 AC 27 ms
24,144 KB
testcase_28 AC 26 ms
21,808 KB
testcase_29 AC 26 ms
24,172 KB
testcase_30 AC 28 ms
24,028 KB
testcase_31 AC 31 ms
24,276 KB
testcase_32 AC 30 ms
24,536 KB
testcase_33 AC 26 ms
22,068 KB
testcase_34 AC 32 ms
24,404 KB
testcase_35 AC 26 ms
24,240 KB
testcase_36 AC 25 ms
24,024 KB
testcase_37 AC 27 ms
24,284 KB
testcase_38 AC 974 ms
98,720 KB
testcase_39 AC 1,742 ms
98,560 KB
testcase_40 AC 713 ms
76,504 KB
testcase_41 AC 1,442 ms
98,692 KB
testcase_42 AC 1,430 ms
98,448 KB
testcase_43 AC 1,383 ms
98,688 KB
testcase_44 AC 1,497 ms
96,748 KB
権限があれば一括ダウンロードができます
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.Text;
using System.Numerics;
using static System.Math;
using static System.Array;
using static AtCoder.IO_ShortCut;
using static AtCoder.Tool;
using static AtCoder.ModInt;
namespace AtCoder
{
    class AC
    {
        //const int MOD = 1000000007;
        const int MOD = 998244353;
        const int INF = int.MaxValue / 2;
        const long SINF = long.MaxValue / 2;
        const double EPS = 1e-8;
        static readonly int[] dI = { 0, 1, 0, -1, 1, -1, -1, 1 };
        static readonly int[] dJ = { 1, 0, -1, 0, 1, 1, -1, -1 };
        static List<List<int>> G = new List<List<int>>();
        //static List<List<Edge>> G = new List<List<Edge>>();
        //static List<Edge> E = new List<Edge>();
        static void Main(string[] args)
        {
            var sw = new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false };Console.SetOut(sw);
            Solve();
            Console.Out.Flush();
        }
        static void Solve()
        {
            int N = Int;
            var A = _ReadSplitLong;
            long Gcd(long a,long b)
            {
                if (a == 0 || b == 0) return Max(a, b);
                return a % b == 0 ? b : Gcd(b, a % b);
            }
            var seg = new SegmentTree<long>(N + 1, Gcd, 0);
            for (var i = 0; i < N; i++) seg.Assign(i, A[i]);
            seg.Set_All();

            long ans = 0;
            int ed = 0;
            for(var st = 0; st < N; st++)
            {
                ed = Max(st, ed);
                while (ed < N && seg.Query_Answer(st, ed + 1) > 1) ed++;
                ans += N - ed;
            }
            OutL(ans);
        }
        
        struct Edge
        {
            public int from;

            public int to;
            public long dist;
            public Edge(int t, long c)
            {
                from = -1;
                to = t;
                dist = c;
            }
            public Edge(int f, int t, long c)
            {
                from = f;
                to = t;
                dist = c;
            }
        }
    }
    public class SegmentTree<T>
    {
        //
        //
        // 0-indexed!!!!!!!!!!!!!!!!!!!!!!!
        // [l,r)は半開区間!!!!!!!!!!!!!!!!!!!
        //
        int n;
        T[] Tree;
        Func<T, T, T> f;
        T ex;
        public SegmentTree(int size, Func<T, T, T> fun, T exvalue)
        {
            f = fun;
            ex = exvalue;
            n = 1;
            while (n < size) n <<= 1;
            Tree = new T[(n << 1) - 1];
            for (var i = 0; i < Tree.Length; i++) Tree[i] = ex;
        }
        public SegmentTree(int size, Func<T, T, T> f, T exvalue, T initial) : this(size, f, exvalue)
        {
            for (var i = 0; i < size; i++) Tree[i + n - 1] = initial;
            Set_All();
        }

        public void Set_All()
        {
            for (var i = n - 2; i >= 0; i--)
            {
                Tree[i] = f(Tree[(i << 1) + 1], Tree[(i << 1) + 2]);
            }
        }

        public void Assign(int ind, T val)
        {
            Tree[ind + n - 1] = val;
        }
        public void Update(int ind)
        {
            int i = ind + n - 1;
            while (i > 0)
            {
                i = (i - 1) >> 1;
                Tree[i] = f(Tree[(i << 1) + 1], Tree[(i << 1) + 2]);
            }
        }

        public void Query_Update(int ind, T val)
        {
            Assign(ind, val);
            Update(ind);
        }
        public T Query_Answer(int l, int r) //[l,r)
        {
            return Scanning(l, r, 0, 0, n);
        }
        private T Scanning(int l, int r, int ind, int ind_l, int ind_r)
        {
            if (ind_r <= l || r <= ind_l) { return ex; }
            if (l <= ind_l && ind_r <= r) { return Tree[ind]; }
            return f(Scanning(l, r, (ind << 1) + 1, ind_l, (ind_l + ind_r) >> 1), Scanning(l, r, (ind << 1) + 2, (ind_l + ind_r) >> 1, ind_r));
        }

        public T Look(int ind)
        {
            return Tree[ind + n - 1];
        }
        public void Debug_Display_All()
        {
            for (var i = 0; i < n; i++) Console.Write($"{Tree[i + n - 1]} ");
            Console.WriteLine();
        }
    }
    struct ModInt
    {
        public long value;
        //private const int MOD = 1000000007;
        private const int MOD = 998244353;

        public ModInt(long value) { this.value = value; }
        public static implicit operator ModInt(long a)
        {
            var ret = a % MOD;
            return new ModInt(ret < 0 ? (ret + MOD) : ret);
        }
        public static ModInt operator +(ModInt a, ModInt b) => (a.value + b.value);
        public static ModInt operator -(ModInt a, ModInt b) => (a.value - b.value);
        public static ModInt operator *(ModInt a, ModInt b) => (a.value * b.value);
        public static ModInt operator /(ModInt a, ModInt b) => a * Modpow(b, MOD - 2);
        public static ModInt operator <<(ModInt a, int n) => (a.value << n);
        public static ModInt operator >>(ModInt a, int n) => (a.value >> n);
        public static ModInt operator ++(ModInt a) => a.value + 1;
        public static ModInt operator --(ModInt a) => a.value - 1;
        public static ModInt Modpow(ModInt a, long n)
        {
            var k = a;
            ModInt ret = 1;
            while (n > 0)
            {
                if ((n & 1) != 0) ret *= k;
                k *= k;
                n >>= 1;
            }
            return ret;
        }
        private static readonly List<long> Factorials = new List<long>() { 1 };
        public static ModInt Fac(long n)
        {
            for (var i = Factorials.Count(); i <= n; i++)
            {
                Factorials.Add((Factorials[i - 1] * i) % MOD);
            }
            return Factorials[(int)n];
        }
        public static ModInt nCr(long n, long r)
        {
            return n < r ? 0 : Fac(n) / (Fac(r) * Fac(n - r));
        }
        public static explicit operator int(ModInt a) => (int)a.value;
    }
    static class IO_ShortCut
    {
        public static string[] _ReadSplit => Console.ReadLine().Split();
        public static int[] _ReadSplitInt => ConvertAll(Console.ReadLine().Split(), int.Parse);
        public static long[] _ReadSplitLong => ConvertAll(Console.ReadLine().Split(), long.Parse);
        public static double[] _ReadSplit_Double => ConvertAll(Console.ReadLine().Split(), double.Parse);
        public static string Str => Console.ReadLine();
        public static int Int => int.Parse(Console.ReadLine());
        public static long Long => long.Parse(Console.ReadLine());
        public static double Double => double.Parse(Console.ReadLine());
        public static T Conv<T>(string input)
        {
            if (typeof(T).Equals(typeof(ModInt)))
            {
                return (T)(dynamic)(long.Parse(input));
            }
            return (T)Convert.ChangeType(input, typeof(T));
        }
        public static void Input<T>(out T a) => a = Conv<T>(Console.ReadLine());
        public static void Input<T, U>(out T a, out U b)
        { var q = _ReadSplit;a = Conv<T>(q[0]);b = Conv<U>(q[1]); }
        public static void Input<T, U, V>(out T a, out U b, out V c)
        { var q = _ReadSplit;a = Conv<T>(q[0]);b = Conv<U>(q[1]);c = Conv<V>(q[2]); }
        public static void Input<T, U, V, W>(out T a, out U b, out V c, out W d)
        { var q = _ReadSplit; a = Conv<T>(q[0]); b = Conv<U>(q[1]); c = Conv<V>(q[2]);d = Conv<W>(q[3]); }

        public static void OutL(object s) => Console.WriteLine(s);
        public static void Out_Sep<T>(IEnumerable<T> s) => Console.WriteLine(string.Join(" ", s));
        public static void Out_Sep<T>(IEnumerable<T> s, string sep) => Console.WriteLine(string.Join($"{sep}", s));
        public static void Out_Sep(params object[] s) => Console.WriteLine(string.Join(" ", s));
        public static void Out_One(object s) => Console.Write($"{s} ");
        public static void Out_One(object s, string sep) => Console.Write($"{s}{sep}");
        public static void Endl() => Console.WriteLine();
    }
    public static class Tool
    {
        static public void Initialize<T>(ref T[] array, T initialvalue)
        {
            array = ConvertAll(array, x => initialvalue);
        }
        static public void Swap<T>(ref T a, ref T b)
        {
            T keep = a;
            a = b;
            b = keep;
        }
        static public void Display<T>(T[,] array2d, int n, int m)
        {
            for (var i = 0; i < n; i++)
            {
                for (var j = 0; j < m; j++)
                {
                    Console.Write($"{array2d[i, j]} ");
                }
                Console.WriteLine();
            }
        }
        static public long LPow(int a, int b) => (long)Pow(a, b);
        static public bool Bit(long x, int dig) => ((1L << dig) & x) != 0;
    }
}
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