2020-04-21[문제(예제) 1/2/3/4] / 3번 못품

문제 1 

using System;
using System.Collections.Generic;
using System.Linq;
 
namespace ConsoleApp4
{
    class App
    {
        public App()
        {
            List<int> list = new List<int>();
            list.Add(1);
            list.Add(2);
            list.Add(3);
            int sum = this.GetSumFromList(list);
            Console.WriteLine(sum); //6
        }
        public int GetSumFromList(List<int> list)
        {
            int result = 0;
            foreach (int num in list)
            {
                result += i;
            }
            return result;
        }
 
    }
}
 
 

문제 4

 

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
 
namespace Pratice010
{
    class ItemData
    {
        public string name;
        public int amount;
        public ItemData(string name, int amount)
        {
            this.name = name;
            this.amount = amount;
        }
    }
    class APP
    {
        List<ItemData> ItemDatasList;
        List<string> itemNameList;
        List<int> itemAmountList;
        public APP()
        {
            itemNameList = new List<string>();
 
            itemNameList.Add("김밥");
            itemNameList.Add("순대");
 
            itemAmountList = new List<int>();
 
            itemAmountList.Add(3);
            itemAmountList.Add(4);
 
            ItemDatasList = this.AdditemDataList(itemNameList, itemAmountList);
 
            foreach (ItemData element in ItemDatasList)
            {
                Console.WriteLine("{0}X{1}", element.name, element.amount);   //김밥X3 순대X4
            }
        }
 
        public List<ItemData> AdditemDataList(List<string> NameList, List<int> AmountList)
        {
            List<ItemData> Datalist = new List<ItemData>();
 
            for (int i = 0; i<NameList.Count; i++)
            {
                ItemData data = new ItemData(NameList[i], AmountList[i]);
                Datalist.Add(data);
 
            }
 
            return Datalist;
        }
 
    }
}