#502680 (C#(csc)) No.648 　お　や　す　み

提出ソース

結果

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	54 ms / 2,000 ms
コード長	4,518 bytes
コンパイル時間	1,107 ms
コンパイル使用メモリ	65,648 KB
実行使用メモリ	24,784 KB
最終ジャッジ日時	2023-09-17 05:32:35
合計ジャッジ時間	8,065 ms
ジャッジサーバーID （参考情報）	judge15 / judge12

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	54 ms 20,696 KB
testcase_01	AC	52 ms 20,700 KB
testcase_02	AC	53 ms 22,748 KB
testcase_03	AC	48 ms 18,716 KB
testcase_04	AC	49 ms 20,672 KB
testcase_05	AC	48 ms 20,744 KB
testcase_06	AC	46 ms 20,708 KB
testcase_07	AC	48 ms 24,784 KB
testcase_08	AC	48 ms 20,680 KB
testcase_09	AC	51 ms 22,792 KB
testcase_10	AC	48 ms 20,748 KB
testcase_11	AC	49 ms 22,756 KB
testcase_12	AC	50 ms 22,740 KB
testcase_13	AC	50 ms 24,692 KB
testcase_14	AC	48 ms 20,728 KB
testcase_15	AC	50 ms 20,720 KB
testcase_16	AC	49 ms 20,640 KB
testcase_17	AC	50 ms 20,744 KB
testcase_18	AC	47 ms 18,652 KB
testcase_19	AC	48 ms 22,780 KB
testcase_20	AC	51 ms 20,708 KB
testcase_21	AC	50 ms 20,656 KB
testcase_22	AC	52 ms 20,680 KB
testcase_23	AC	51 ms 20,716 KB
testcase_24	AC	49 ms 22,784 KB
testcase_25	AC	50 ms 20,708 KB
testcase_26	AC	50 ms 20,748 KB
testcase_27	AC	48 ms 20,748 KB
testcase_28	AC	48 ms 20,724 KB
testcase_29	AC	50 ms 22,736 KB
testcase_30	AC	47 ms 20,648 KB
testcase_31	AC	50 ms 20,708 KB
testcase_32	AC	51 ms 20,700 KB
testcase_33	AC	48 ms 20,764 KB
testcase_34	AC	49 ms 20,720 KB
testcase_35	AC	48 ms 20,776 KB
testcase_36	AC	49 ms 20,836 KB
testcase_37	AC	49 ms 18,700 KB
testcase_38	AC	49 ms 20,720 KB
testcase_39	AC	53 ms 18,584 KB
testcase_40	AC	51 ms 20,640 KB
testcase_41	AC	54 ms 22,732 KB
testcase_42	AC	48 ms 20,656 KB
testcase_43	AC	51 ms 22,712 KB
testcase_44	AC	50 ms 20,700 KB
testcase_45	AC	51 ms 20,696 KB
testcase_46	AC	52 ms 20,684 KB
testcase_47	AC	49 ms 20,716 KB
testcase_48	AC	48 ms 20,676 KB
testcase_49	AC	48 ms 20,812 KB
testcase_50	AC	48 ms 20,712 KB
testcase_51	AC	49 ms 20,736 KB
testcase_52	AC	49 ms 22,768 KB
testcase_53	AC	51 ms 22,812 KB
testcase_54	AC	51 ms 20,680 KB
testcase_55	AC	52 ms 20,824 KB
testcase_56	AC	50 ms 22,736 KB
testcase_57	AC	52 ms 20,800 KB
testcase_58	AC	53 ms 20,716 KB
testcase_59	AC	51 ms 22,744 KB
testcase_60	AC	50 ms 20,720 KB
testcase_61	AC	52 ms 18,784 KB
testcase_62	AC	51 ms 20,748 KB
testcase_63	AC	48 ms 20,748 KB
testcase_64	AC	50 ms 20,696 KB
testcase_65	AC	49 ms 20,648 KB
testcase_66	AC	50 ms 22,812 KB
testcase_67	AC	53 ms 20,720 KB
testcase_68	AC	49 ms 20,788 KB
testcase_69	AC	54 ms 20,740 KB
testcase_70	AC	53 ms 20,760 KB
testcase_71	AC	51 ms 20,800 KB
testcase_72	AC	50 ms 20,708 KB
testcase_73	AC	49 ms 22,672 KB
testcase_74	AC	50 ms 22,732 KB
testcase_75	AC	49 ms 22,792 KB
testcase_76	AC	49 ms 20,744 KB
testcase_77	AC	50 ms 18,652 KB
testcase_78	AC	49 ms 20,720 KB
testcase_79	AC	49 ms 20,692 KB
testcase_80	AC	49 ms 20,736 KB
testcase_81	AC	51 ms 22,756 KB
testcase_82	AC	49 ms 20,704 KB
testcase_83	AC	49 ms 22,816 KB

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ソースコード

raw source code

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;
    }
}

yukicoder

結果

テストケース

ソースコード