남영운 :: 정수를 입력 받아3 와 5로 나누어 최소 몫을 구하기(19.09.25)

정수를 입력 받아3 와 5로 나누어 최소 몫을 구하기(19.09.25)

Console(콘솔)/실습 2019. 9. 25. 14:12
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using System;
 
namespace Syntax09
{
    class Program
    {
        static void Main(string[] args)
        {
            int a = 3;//3
            int b = 5;//5
            int num1 = 0;//3으로 나눈 몫
            int num2 = 0;//5로 나눈 몫
            int sum = 0;//3,5를 합한 몫
            int N = int.Parse(Console.ReadLine());
            for (; ; )
            {
                if (3 <= N && N <= 5000)
                {
                    if ((N % b) == 0)
                    {
                        num2 = num2 + 1;
                        N = N - b;
                        continue;
                    }
                    else if ((N % b) != 0)
                    {
                        if ((N % a) == 0)
                        {
                            num1 = num1 + 1;
                            N = N - a;
                            continue;
                        }
                        else if (N > b && ((N - a) > 0))
                        {
                            if ((N - b) < (N - a))
                            {
                                num1 = num1 + 1;
                                N = N - a;
                                continue;
                            }
                        }
                        else if ((N - a) > 0)
                        {
                            N = N - a;
                            continue;
                        }
                        else if (N > b)
                        {
                            num2 = num2 + 1;
                            N = N - b;
                            continue;
                        }
                    }
 
                }
                else if (N != 0)
                {
                    N = -N;
                    Console.WriteLine($"{N}");
                    break;
                }
                sum = num1 + num2;
                Console.WriteLine($"{sum}");
                break;
            }
        }
 
    }
}
 
 
 

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