[알고스팟] 록 페스티벌 C#

 

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _4458
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] nl = Array.ConvertAll(Console.ReadLine().Split(' '), int.Parse);
            int n = nl[0];
            int l = nl[1];
            int[] arr = { 0, };
            arr = arr.Concat(Array.ConvertAll(Console.ReadLine().Split(' '), int.Parse)).ToArray();
            Console.WriteLine(arr.Length);

            //for (int i = 0; i < arr.Length; i++) Console.Write("{0} ", arr[i]);
            int[] psum = new int[n + 1];
            for (int i = 1; i < n+1; i++) {
                psum[i] = psum[i - 1] + arr[i];
            }
            for (int i = 0; i < psum.Length; i++) Console.Write("{0} ", psum[i]);


            //입력
            //6 3 
            //1 2 3 1 2 3

            //arr :     0 1 2 3 1 2 3
            //psum : 0 1 3 6 7 9 12

            //3일 : (1,2,3), (2,3,1), (3,1,2), (1,2,3)
            //          1-3       2-4        3-5       4-6 

            //4일 : (1,2,3,1), (2,3,1,2), (3,1,2,3)
            //           1-4          2-5        3-6

            //5일 : (1,2,3,1,2), (2,3,1,2,3)
            //          1-5             2-6

            //6일 : (1,2,3,1,2,3)
            //            1-6

            Console.WriteLine();
            double allOfMinAvg = double.MaxValue;
            for (int i = l; i < n + 1; i++) {
                Console.Write("{0}일 : ", i);
                int s = 0;  //start
                double dayOfMinAvg = double.MaxValue;
                for (int j = i; j < n+1; j++) {
                    s += 1;
                    int sum = psum[j] - psum[s - 1];
                    double avg = (double)sum / i;
                    Console.Write("{0}-{1} : {2}, {3}\t", s, j, sum, avg);
                    dayOfMinAvg = Math.Min(dayOfMinAvg, avg);
                }
                Console.Write("dayOfMinAvg : {0}\t", dayOfMinAvg);
                allOfMinAvg = Math.Min(allOfMinAvg, dayOfMinAvg);
                Console.WriteLine();
            }

            Console.WriteLine();
            Console.WriteLine("allOfMinAvg: {0}", allOfMinAvg.ToString("F11"));
            Console.WriteLine();

        }
    }
}

https://www.algospot.com/judge/problem/read/FESTIVAL

algospot.com :: FESTIVAL

 

 

cpp 버전 

#include<iostream>
using namespace std;




int main()
{
	int c, n, l;
	cin >> c;

	while (c--) {
		cin >> n >> l;

		int psum[1001] = { 0, };
		int cost;
		for (int i = 1; i <= n; i++) {
			cin >> cost;
			psum[i] = psum[i - 1] + cost;
		}

		double allOfMinAvg = 10000;
		for (int i = l; i < n + 1; i++) {
			int s = 0;  //start
			double dayOfMinAvg = 10000;
			for (int j = i; j < n + 1; j++) {
				s += 1;
				int sum = psum[j] - psum[s - 1];
				double avg = (double)sum / i;
				dayOfMinAvg = min(dayOfMinAvg, avg);
			}
			allOfMinAvg = min(allOfMinAvg, dayOfMinAvg);
		}

		//cout << allOfMinAvg << "\n";
		printf("%0.9lf\n", allOfMinAvg);
	}

	

	return 0;
}