#502680 (C#(csc)) No.648 お や す み

• 問題: No.648 お や す み
• ユーザー: mnzn
• 提出日時: 2020-06-26 16:52:31
• 言語: C#(csc) (csc 3.9.0)
• 結果: AC
• 実行時間: 27 ms / 2,000 ms
• コード長: 4,518 bytes
• コンパイル時間: 1,730 ms
• コンパイル使用メモリ: 115,188 KB
• 実行使用メモリ: 26,088 KB
• 最終ジャッジ日時: 2024-07-04 02:52:58
• 合計ジャッジ時間: 5,943 ms
• ジャッジサーバーID （参考情報）: judge2 / judge1

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	24 ms; 24,052 KB
testcase_01	AC	24 ms; 25,960 KB
testcase_02	AC	25 ms; 26,016 KB
testcase_03	AC	24 ms; 25,884 KB
testcase_04	AC	25 ms; 26,016 KB
testcase_05	AC	25 ms; 23,916 KB
testcase_06	AC	25 ms; 25,756 KB
testcase_07	AC	25 ms; 21,944 KB
testcase_08	AC	25 ms; 23,844 KB
testcase_09	AC	25 ms; 23,916 KB
testcase_10	AC	24 ms; 21,808 KB
testcase_11	AC	25 ms; 25,952 KB
testcase_12	AC	25 ms; 23,920 KB
testcase_13	AC	24 ms; 23,792 KB
testcase_14	AC	24 ms; 24,112 KB
testcase_15	AC	24 ms; 23,788 KB
testcase_16	AC	24 ms; 23,800 KB
testcase_17	AC	24 ms; 24,184 KB
testcase_18	AC	25 ms; 25,964 KB
testcase_19	AC	26 ms; 23,984 KB
testcase_20	AC	26 ms; 23,924 KB
testcase_21	AC	24 ms; 23,920 KB
testcase_22	AC	25 ms; 25,636 KB
testcase_23	AC	24 ms; 23,972 KB
testcase_24	AC	24 ms; 26,020 KB
testcase_25	AC	26 ms; 25,764 KB
testcase_26	AC	24 ms; 21,948 KB
testcase_27	AC	24 ms; 26,088 KB
testcase_28	AC	25 ms; 21,812 KB
testcase_29	AC	23 ms; 24,236 KB
testcase_30	AC	24 ms; 23,964 KB
testcase_31	AC	24 ms; 23,920 KB
testcase_32	AC	25 ms; 23,924 KB
testcase_33	AC	25 ms; 23,916 KB
testcase_34	AC	25 ms; 23,732 KB
testcase_35	AC	24 ms; 26,084 KB
testcase_36	AC	25 ms; 25,960 KB
testcase_37	AC	24 ms; 23,664 KB
testcase_38	AC	23 ms; 23,852 KB
testcase_39	AC	24 ms; 24,044 KB
testcase_40	AC	23 ms; 24,044 KB
testcase_41	AC	25 ms; 25,764 KB
testcase_42	AC	24 ms; 23,916 KB
testcase_43	AC	24 ms; 24,044 KB
testcase_44	AC	25 ms; 23,972 KB
testcase_45	AC	25 ms; 23,980 KB
testcase_46	AC	24 ms; 23,852 KB
testcase_47	AC	25 ms; 23,984 KB
testcase_48	AC	24 ms; 23,968 KB
testcase_49	AC	26 ms; 21,688 KB
testcase_50	AC	27 ms; 23,984 KB
testcase_51	AC	25 ms; 23,968 KB
testcase_52	AC	25 ms; 23,664 KB
testcase_53	AC	25 ms; 23,916 KB
testcase_54	AC	24 ms; 23,912 KB
testcase_55	AC	24 ms; 25,832 KB
testcase_56	AC	23 ms; 21,940 KB
testcase_57	AC	23 ms; 25,964 KB
testcase_58	AC	24 ms; 24,116 KB
testcase_59	AC	24 ms; 26,008 KB
testcase_60	AC	25 ms; 25,836 KB
testcase_61	AC	24 ms; 21,688 KB
testcase_62	AC	23 ms; 25,952 KB
testcase_63	AC	24 ms; 23,668 KB
testcase_64	AC	24 ms; 23,796 KB
testcase_65	AC	25 ms; 25,828 KB
testcase_66	AC	24 ms; 24,044 KB
testcase_67	AC	23 ms; 23,792 KB
testcase_68	AC	24 ms; 23,980 KB
testcase_69	AC	25 ms; 24,240 KB
testcase_70	AC	25 ms; 23,912 KB
testcase_71	AC	24 ms; 25,756 KB
testcase_72	AC	26 ms; 23,972 KB
testcase_73	AC	24 ms; 23,844 KB
testcase_74	AC	25 ms; 25,828 KB
testcase_75	AC	24 ms; 24,108 KB
testcase_76	AC	25 ms; 25,768 KB
testcase_77	AC	24 ms; 24,044 KB
testcase_78	AC	24 ms; 21,940 KB
testcase_79	AC	25 ms; 21,688 KB
testcase_80	AC	25 ms; 26,088 KB
testcase_81	AC	25 ms; 23,792 KB
testcase_82	AC	24 ms; 23,660 KB
testcase_83	AC	25 ms; 23,664 KB

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

using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Linq;

class Program
{
    static void Main(string[] args)
    {
        var sw = new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false };
        Console.SetOut(sw);
        Solve();
        Console.Out.Flush();
    }
    static void Solve()
    {
        var N = sc.ReadLong();
        var l = 0L;
        var r = (long)1e9 * 2;
        while (r - l > 1)
        {
            var mid = l + (r - l) / 2;
            var a = (1 + mid) * mid / 2;
            if (a > N) r = mid;
            else if (a < N) l = mid;
            else
            {
                Console.WriteLine("YES");
                Console.WriteLine(mid);
                return;
            }
        }
        Console.WriteLine("NO");
    }
    static Scanner sc = new Scanner();
}
class Scanner
{
    string[] S = new string[0];
    int Index = 0;
    char[] Separators = new char[] { ' ' };

    public string Next()
    {
        if (this.Index < this.S.Length) return this.S[this.Index++];
        var line = "";
        while (line == "") line = Console.ReadLine();
        this.S = line.Split(this.Separators, StringSplitOptions.RemoveEmptyEntries);
        if (this.S.Length == 0) return this.Next();
        this.Index = 0;
        return this.S[this.Index++];
    }
    public string ReadStr()
    {
        return this.Next();
    }
    public char ReadChar()
    {
        return this.Next()[0];
    }
    public int ReadInt()
    {
        return int.Parse(this.Next());
    }
    public uint ReadUInt()
    {
        return uint.Parse(this.Next());
    }
    public long ReadLong()
    {
        return long.Parse(this.Next());
    }
    public double ReadDouble()
    {
        return double.Parse(this.Next());
    }
    public Tuple<int, int> ReadTup(int add = 0)
    {
        return Tuple.Create(this.ReadInt() + add, this.ReadInt() + add);
    }
    public Tuple<long, long> ReadTupLong(int add = 0)
    {
        return Tuple.Create(this.ReadLong() + add, this.ReadLong() + add);
    }
    public Tuple<int, int, int> ReadTup3(int add = 0)
    {
        return Tuple.Create(this.ReadInt() + add, this.ReadInt() + add, this.ReadInt() + add);
    }
    public Tuple<int, int, int, int> ReadTup4(int add = 0)
    {
        return Tuple.Create(this.ReadInt() + add, this.ReadInt() + add, this.ReadInt() + add, this.ReadInt() + add);
    }
    public int[] ReadIntArray(int n)
    {
        var array = new int[n];
        for (int i = 0; i < array.Length; i++)
        {
            array[i] = this.ReadInt();
        }
        return array;
    }
    public long[] ReadLongArray(int n)
    {
        var array = new long[n];
        for (int i = 0; i < array.Length; i++)
        {
            array[i] = this.ReadLong();
        }
        return array;
    }
    public double[] ReadDoubleArray(int n)
    {
        var array = new double[n];
        for (int i = 0; i < array.Length; i++)
        {
            array[i] = this.ReadDouble();
        }
        return array;
    }
    public char[] ReadCharArray(int n)
    {
        var array = new char[n];
        for (int i = 0; i < array.Length; i++)
        {
            array[i] = this.ReadChar();
        }
        return array;
    }
    public string[] ReadStrArray(int n)
    {
        var array = new string[n];
        for (int i = 0; i < array.Length; i++)
        {
            array[i] = this.ReadStr();
        }
        return array;
    }
    public Tuple<long, long>[] ReadTupLongArray(int n, int add = 0)
    {
        var array = new Tuple<long, long>[n];
        for (int i = 0; i < n; i++)
        {
            array[i] = this.ReadTupLong(add);
        }
        return array;
    }
    public Tuple<int, int>[] ReadTupArray(int n, int add = 0)
    {
        var array = new Tuple<int, int>[n];
        for (int i = 0; i < n; i++)
        {
            array[i] = this.ReadTup(add);
        }
        return array;
    }
    public Tuple<int, int, int>[] ReadTup3Array(int n, int add = 0)
    {
        var array = new Tuple<int, int, int>[n];
        for (int i = 0; i < n; i++)
        {
            array[i] = this.ReadTup3(add);
        }
        return array;
    }
    public Tuple<int, int, int, int>[] ReadTup4Array(int n, int add = 0)
    {
        var array = new Tuple<int, int, int, int>[n];
        for (int i = 0; i < n; i++)
        {
            array[i] = this.ReadTup4(add);
        }
        return array;
    }
}