結果

問題 No.598 オーバーフローファンタジー
ユーザー fairy_lettuce
提出日時 2020-06-18 01:52:46
言語 C#(csc)
(csc 3.9.0)
結果
AC  
実行時間 26 ms / 2,000 ms
コード長 5,282 bytes
コンパイル時間 2,427 ms
コンパイル使用メモリ 112,832 KB
実行使用メモリ 26,188 KB
最終ジャッジ日時 2024-07-03 12:36:52
合計ジャッジ時間 2,696 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge2
このコードへのチャレンジ
（要ログイン）
ファイルパターン 結果
sample AC * 3
other AC * 28
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 #
プレゼンテーションモードにする

using System;
using System.IO;
using System.Collections.Generic;
using System.Linq;
namespace AtCoder.Contest.A
{
    static class Program
    {
        public static void Solve(Scanner cin)
        {
            var (n, x, a, b) = cin.ReadValue<int, long, long, long>();
            long decrease = (x + a - 1) / a;
            long increase = ((1L << (n - 1)) - x + b - 1) / b;
            Console.WriteLine(Math.Min(decrease, increase));
        }
        public static void Main(string[] args)
        {
            var sw = new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false };
            Console.SetOut(sw);
            var cin = new Scanner();
            Solve(cin);
            Console.Out.Flush();
        }
    }
    class Scanner
    {
        string[] s;
        int i;
        char[] cs = new char[] { ' ' };
        public Scanner()
        {
            s = new string[0];
            i = 0;
        }
        public string Read() => ReadString();
        public string ReadString()
        {
            if (i < s.Length) return s[i++];
            string st = Console.ReadLine();
            while (st == "") st = Console.ReadLine();
            s = st.Split(cs, StringSplitOptions.RemoveEmptyEntries);
            if (s.Length == 0) return ReadString();
            i = 0;
            return s[i++];
        }
        public string[] ReadStringArray(int N)
        {
            string[] Array = new string[N];
            for (int i = 0; i < N; i++)
            {
                Array[i] = ReadString();
            }
            return Array;
        }
        public int ReadInt()
        {
            return int.Parse(ReadString());
        }
        public int[] ReadIntArray(int N, int add = 0)
        {
            int[] Array = new int[N];
            for (int i = 0; i < N; i++)
            {
                Array[i] = ReadInt() + add;
            }
            return Array;
        }
        public long ReadLong()
        {
            return long.Parse(ReadString());
        }
        public long[] ReadLongArray(int N, long add = 0)
        {
            long[] Array = new long[N];
            for (int i = 0; i < N; i++)
            {
                Array[i] = ReadLong() + add;
            }
            return Array;
        }
        public double ReadDouble()
        {
            return double.Parse(ReadString());
        }
        public double[] ReadDoubleArray(int N, double add = 0)
        {
            double[] Array = new double[N];
            for (int i = 0; i < N; i++)
            {
                Array[i] = ReadDouble() + add;
            }
            return Array;
        }
        public T1 ReadValue<T1>() => (T1)Convert.ChangeType(ReadString(), typeof(T1));
        public (T1, T2) ReadValue<T1, T2>(char separator = ' ')
        {
            var inputs = ReadStringArray(2);
            var v1 = (T1)Convert.ChangeType(inputs[0], typeof(T1));
            var v2 = (T2)Convert.ChangeType(inputs[1], typeof(T2));
            return (v1, v2);
        }
        public (T1, T2, T3) ReadValue<T1, T2, T3>(char separator = ' ')
        {
            var inputs = ReadStringArray(3);
            var v1 = (T1)Convert.ChangeType(inputs[0], typeof(T1));
            var v2 = (T2)Convert.ChangeType(inputs[1], typeof(T2));
            var v3 = (T3)Convert.ChangeType(inputs[2], typeof(T3));
            return (v1, v2, v3);
        }
        public (T1, T2, T3, T4) ReadValue<T1, T2, T3, T4>(char separator = ' ')
        {
            var inputs = ReadStringArray(4);
            var v1 = (T1)Convert.ChangeType(inputs[0], typeof(T1));
            var v2 = (T2)Convert.ChangeType(inputs[1], typeof(T2));
            var v3 = (T3)Convert.ChangeType(inputs[2], typeof(T3));
            var v4 = (T4)Convert.ChangeType(inputs[3], typeof(T4));
            return (v1, v2, v3, v4);
        }
        public (T1, T2, T3, T4, T5) ReadValue<T1, T2, T3, T4, T5>(char separator = ' ')
        {
            var inputs = ReadStringArray(5);
            var v1 = (T1)Convert.ChangeType(inputs[0], typeof(T1));
            var v2 = (T2)Convert.ChangeType(inputs[1], typeof(T2));
            var v3 = (T3)Convert.ChangeType(inputs[2], typeof(T3));
            var v4 = (T4)Convert.ChangeType(inputs[3], typeof(T4));
            var v5 = (T5)Convert.ChangeType(inputs[4], typeof(T5));
            return (v1, v2, v3, v4, v5);
        }
        public (T1, T2, T3, T4, T5, T6) ReadValue<T1, T2, T3, T4, T5, T6>(char separator = ' ')
        {
            var inputs = ReadStringArray(6);
            var v1 = (T1)Convert.ChangeType(inputs[0], typeof(T1));
            var v2 = (T2)Convert.ChangeType(inputs[1], typeof(T2));
            var v3 = (T3)Convert.ChangeType(inputs[2], typeof(T3));
            var v4 = (T4)Convert.ChangeType(inputs[3], typeof(T4));
            var v5 = (T5)Convert.ChangeType(inputs[4], typeof(T5));
            var v6 = (T6)Convert.ChangeType(inputs[5], typeof(T6));
            return (v1, v2, v3, v4, v5, v6);
        }
        public (T1, T2, T3, T4, T5, T6, T7) ReadValue<T1, T2, T3, T4, T5, T6, T7>(char separator = ' ')
        {
            var inputs = ReadStringArray(7);
            var v1 = (T1)Convert.ChangeType(inputs[0], typeof(T1));
            var v2 = (T2)Convert.ChangeType(inputs[1], typeof(T2));
            var v3 = (T3)Convert.ChangeType(inputs[2], typeof(T3));
            var v4 = (T4)Convert.ChangeType(inputs[3], typeof(T4));
            var v5 = (T5)Convert.ChangeType(inputs[4], typeof(T5));
            var v6 = (T6)Convert.ChangeType(inputs[5], typeof(T6));
            var v7 = (T7)Convert.ChangeType(inputs[6], typeof(T7));
            return (v1, v2, v3, v4, v5, v6, v7);
        }
        public (T1, T2, T3, T4, T5, T6, T7, T8) ReadValue<T1, T2, T3, T4, T5, T6, T7, T8>(char separator = ' ')
        {
            var inputs = ReadStringArray(8);
            var v1 = (T1)Convert.ChangeType(inputs[0], typeof(T1));
            var v2 = (T2)Convert.ChangeType(inputs[1], typeof(T2));
            var v3 = (T3)Convert.ChangeType(inputs[2], typeof(T3));
            var v4 = (T4)Convert.ChangeType(inputs[3], typeof(T4));
            var v5 = (T5)Convert.ChangeType(inputs[4], typeof(T5));
            var v6 = (T6)Convert.ChangeType(inputs[5], typeof(T6));
            var v7 = (T7)Convert.ChangeType(inputs[6], typeof(T7));
            var v8 = (T8)Convert.ChangeType(inputs[7], typeof(T8));
            return (v1, v2, v3, v4, v5, v6, v7, v8);
        }
    }
}
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