#367519 (C#(csc)) No.83 最大マッチング

• 問題: No.83 最大マッチング
• ユーザー: eiken7kyuu
• 提出日時: 2019-08-10 11:51:42
• 言語: C#(csc) (csc 3.9.0)
• 結果: AC
• 実行時間: 67 ms / 5,000 ms
• コード長: 3,271 bytes
• コンパイル時間: 2,673 ms
• コンパイル使用メモリ: 109,184 KB
• 実行使用メモリ: 21,376 KB
• 最終ジャッジ日時: 2024-07-19 17:05:10
• 合計ジャッジ時間: 3,863 ms
• ジャッジサーバーID （参考情報）: judge3 / judge2

ファイルパターン	結果
sample	AC * 3
other	AC * 10

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

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using System;
using System.Collections.Generic;
using System.Linq;
using static System.Math;
namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            A();
        }
        static void A()
        {
            var N = ReadInt();
            var list = new List<string>();
            while (N >= 6)
            {
                list.Add("1");
                N -= 2;
            }
            if ((N >= 3 && N - 3 >= 2) || N == 3)
            {
                list.Add("7");
                N -= 3;
            }
            if (N == 4)
            {
                list.Add("1");
                list.Add("1");
                N -= 4;
            }
            if (N == 2) list.Add("1");
            Println(Join(list.OrderByDescending(x => x)));
        }
        static List<long> ReadLines(long n)
        {
            var l = new List<long>();
            for (long i = 0; i < n; i++)
            {
                l.Add(ReadLong());
            }
            return l;
        }
        static void YESOrNO(bool e) => Println(e ? "YES" : "NO");
        static void YesOrNo(bool e) => Println(e ? "Yes" : "No");
        static IEnumerable<int> Range(int start, int stop)
        {
            if (start < 0 || stop < 0 || start > stop || (start <= 0 && stop <= 0))
                return new List<int>();
            return Enumerable.Range(start, stop - start);
        }
        static bool IsDigit(string str)
        {
            var i = 0;
            return int.TryParse(str, out i);
        }
        static int SumDigits(long num)
        {
            return num.ToString().Select(x => x.ToString()).Sum(int.Parse);
        }
        static int[] ToIntArray(string str)
        {
            return str.Select(x => x.ToString()).Select(int.Parse).ToArray();
        }
        static long Gcd(long a, long b) => b == 0 ? a : Gcd(b, a % b);
        static long Lcm(long a, long b) => a / Gcd(a, b) * b;
        static bool IsPrime(int x)
        {
            if (x <= 1 || (x != 2 && x % 2 == 0)) return false;
            if (x == 2) return true;
            for (int i = 3; i < x; i += 2)
                if (x % i == 0) return false;
            return true;
        }
        static string Read() => Console.ReadLine();
        static int ReadInt() => int.Parse(Read());
        static long ReadLong() => long.Parse(Read());
        static List<string> ReadSplit() => Read().Split().ToList();
        static List<int> ReadSplitInt() => Read().Split().Select(int.Parse).ToList();
        static List<long> ReadSplitLong() => Read().Split().Select(long.Parse).ToList();
        static void Print(object value) => Console.Write(value.ToString());
        static void Println(object value) => Console.WriteLine(value.ToString());
        static string Join<T>(IEnumerable<T> list) => string.Join("", list);
    }
    public static class MyExtensions
    {
        public static string Slice(this string str, int start = 0, int stop = 0)
        {
            if (start > str.Length || stop > str.Length || start < 0 || stop < 0)
                return "";
            if (stop == 0) stop = str.Length;
            return str.Substring(start, stop - start);
        }
    }
}
 
 
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