wewewe

ALGA/Optimalizalas/08_DinamikusProgramozas.cs

@@ -33,14 +33,14 @@ namespace OE.ALGA.Optimalizalas
             {
                 for (int j = 1; j <= problema.Wmax; j++)
                 {
-                    if (j <= problema.W[i - 1])
+                    if (j >= problema.W[i - 1])
                     {
-                        F[i, j] = F[i - 1, j];
+                        int[] tomb = new int[] { (F[i - 1, j]), (F[i - 1, j - problema.W[i-1]] + Convert.ToInt32(problema.P[i-1])) };
+                        F[i, j] = tomb.Max();
                     }
                     else
                     {
-                        int[] tomb = new int[] { (F[i - 1, j]), (F[i - 1, j - problema.W[i - 1]] + Convert.ToInt32(problema.P[i - 1])) };
+                        F[i, j] = F[i - 1, j];
-                        F[i, j] = tomb.Max();
                     }
                     lepesszam++;
                 }
@@ -54,7 +54,7 @@ namespace OE.ALGA.Optimalizalas
             {
                 return 0;
             }
-            return tablazat[problema.N - 1, problema.Wmax - 1];
+            return tablazat[problema.N, problema.Wmax];
         }
         public bool[] OptimalisMegoldas()
         {
@@ -66,8 +66,8 @@ namespace OE.ALGA.Optimalizalas
             {
                 if (tablazat[t, h] != tablazat[t - 1, h])
                 {
-                    optimails[t] = true;
+                    optimails[t-1] = true;
-                    h = h - problema.W[t];
+                    h = h - problema.W[t-1];
                 }
                 t--;
             }

ALGA_heti_feladatok.sln

@@ -16,6 +16,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Sandbox", "Sandbox\Sandbox.
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Tesztek", "Tesztek\Tesztek.csproj", "{AFE58A8F-D9BA-4EBF-810D-F7E07E5A296C}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "zh", "zh\zh.csproj", "{EABD26DD-3AE7-4941-BDFD-79862E7279F5}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -42,6 +44,10 @@ Global
 		{AFE58A8F-D9BA-4EBF-810D-F7E07E5A296C}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{AFE58A8F-D9BA-4EBF-810D-F7E07E5A296C}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{AFE58A8F-D9BA-4EBF-810D-F7E07E5A296C}.Release|Any CPU.Build.0 = Release|Any CPU
+		{EABD26DD-3AE7-4941-BDFD-79862E7279F5}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{EABD26DD-3AE7-4941-BDFD-79862E7279F5}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{EABD26DD-3AE7-4941-BDFD-79862E7279F5}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{EABD26DD-3AE7-4941-BDFD-79862E7279F5}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

zh/Program.cs

@@ -0,0 +1,110 @@
+using System.Reflection;
+using System.Security.Cryptography.X509Certificates;
+using System.Xml.Serialization;
+using Castle.Components.DictionaryAdapter.Xml;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.VisualBasic;
+
+namespace zh
+{
+    public class ProductPackage
+    {
+        public List<Category> Categories { get; set; } = new List<Category>();
+    }
+    public class Category
+    {
+        string Name { get; set; }
+        public List<Product> Products = new List<Product>();
+    }
+    public class Product
+    {
+        [Requirements(Requirement.RequiredNonEmpty)]
+        public string Sku { get; set; }
+
+        public string Name { get; set; }
+
+        [Requirements(Requirement.RequiredNonNegative)]
+        public int Price { get; set; }
+    }
+    public class Program
+    {
+        public static void Main()
+        {
+            ProductPackage productackage = new ProductPackage();
+            XmlSerializer serializer = new XmlSerializer(typeof(ProductPackage));
+            using (StreamReader reader = new StreamReader("zh/products.xml"))
+            {
+                productackage.Categories = (List<Category>)serializer.Deserialize(reader);
+            }
+            Shop shop = new Shop();
+            shop.Category.AddRange(productackage.Categories);
+            shop.SaveChanges();
+            List<Product> expensive = new List<Product>();
+            foreach (Category category in productackage.Categories)
+            {
+                expensive.Concat(from x in category.Products
+                                 where x.Price > 10000
+                                 select x);
+            }
+        }
+    }
+    public enum Requirement
+    {
+        RequiredNonEmpty,
+        RequiredNonNegative
+    }
+    public class RequirementsAttribute : Attribute
+    {
+        public Requirement Rule { get; set; }
+        public RequirementsAttribute(Requirement rule)
+        {
+            Rule = rule;
+        }
+    }
+    public class Validator
+    {
+        public static void Validate(Product product)
+        {
+            var t = product.GetType();
+            var p = t.GetProperty("Sku");
+            var a = p.GetCustomAttribute<RequirementsAttribute>();
+            var v = p.GetValue(product);
+            if (a.Rule == Requirement.RequiredNonEmpty)
+            {
+                if (v == null || (string)v == "")
+                {
+                    throw new WrongProductException();
+                }
+            }
+            else if(a.Rule == Requirement.RequiredNonNegative)
+            {
+                if ((int)v < 0)
+                {
+                    throw new WrongProductException();
+                }
+            }
+        }
+    }
+    public class WrongProductException : Exception
+    {
+
+    }
+    public class Shop : DbContext
+    {
+        //public DbSet<ProductPackage> ProductPackage { get; set; }
+        public DbSet<Category> Category { get; set; }
+        public DbSet<Product> Product { get; set; }
+        public DbSet<Product> Expensive { get; set; }
+        public Shop()
+        {
+            Database.EnsureDeleted();
+            Database.EnsureCreated();
+        }
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+        {
+            string connStr = @"Data Source=(LocalDB)\MSSQLLocalDB;Initial Catalog=Shopdb;Integrated Security=True;MultipleActiveResultSets=true";
+            optionsBuilder.UseSqlServer(connStr);
+            base.OnConfiguring(optionsBuilder);
+        }
+    }
+}

zh/products.xml

@@ -0,0 +1,164 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ProductPackage>
+  <Categories>
+    <Category>
+      <Name>Coffee</Name>
+      <Products>
+        <Product><Sku>COF-1001</Sku><Name>Premium Arabica</Name><Price>12990</Price></Product>
+        <Product><Sku></Sku><Name>Extra Dark Roast</Name><Price>9990</Price></Product>
+      </Products>
+    </Category>
+
+    <Category>
+      <Name>Tea</Name>
+      <Products>
+        <Product><Sku>TEA-2001</Sku><Name>Green Tea</Name><Price>14990</Price></Product>
+        <Product><Sku>TEA-2002</Sku><Name>Black Tea</Name><Price>8990</Price></Product>
+      </Products>
+    </Category>
+
+    <Category>
+      <Name>Chocolate</Name>
+      <Products>
+        <Product><Sku>CHO-3001</Sku><Name>Dark Chocolate 85%</Name><Price>11990</Price></Product>
+        <Product><Sku>CHO-3002</Sku><Name>Milk Chocolate</Name><Price>4990</Price></Product>
+      </Products>
+    </Category>
+
+    <Category>
+      <Name>Biscuits</Name>
+      <Products>
+        <Product><Sku>BIS-4001</Sku><Name>Butter Cookies</Name><Price>10990</Price></Product>
+        <Product><Sku>BIS-4002</Sku><Name>Chocolate Chip</Name><Price>9990</Price></Product>
+      </Products>
+    </Category>
+
+    <Category>
+      <Name>Juice</Name>
+      <Products>
+        <Product><Sku>JUI-5001</Sku><Name>Orange Juice</Name><Price>6990</Price></Product>
+        <Product><Sku>JUI-5002</Sku><Name>Mango Juice</Name><Price>10990</Price></Product>
+      </Products>
+    </Category>
+
+    <Category>
+      <Name>Snacks</Name>
+      <Products>
+        <Product><Sku>SNA-6001</Sku><Name>Potato Chips</Name><Price>4990</Price></Product>
+        <Product><Sku>SNA-6002</Sku><Name>Nachos Cheese</Name><Price>11990</Price></Product>
+      </Products>
+    </Category>
+
+    <Category>
+      <Name>Water</Name>
+      <Products>
+        <Product><Sku>WAT-7001</Sku><Name>Mineral Water 0.5L</Name><Price>1990</Price></Product>
+        <Product><Sku>WAT-7002</Sku><Name>Mineral Water 1.5L</Name><Price>2490</Price></Product>
+      </Products>
+    </Category>
+
+    <Category>
+      <Name>Energy Drinks</Name>
+      <Products>
+        <Product><Sku>ENE-8001</Sku><Name>Energy Boost</Name><Price>11990</Price></Product>
+        <Product><Sku>ENE-8002</Sku><Name>Zero Sugar Energy</Name><Price>10990</Price></Product>
+      </Products>
+    </Category>
+
+    <Category>
+      <Name>Beer</Name>
+      <Products>
+        <Product><Sku>BEE-9001</Sku><Name>Lager Classic</Name><Price>5990</Price></Product>
+        <Product><Sku></Sku><Name>Craft IPA</Name><Price>12990</Price></Product>
+      </Products>
+    </Category>
+
+    <Category>
+      <Name>Wine</Name>
+      <Products>
+        <Product><Sku>WIN-10001</Sku><Name>Red Merlot</Name><Price>18990</Price></Product>
+        <Product><Sku>WIN-10002</Sku><Name>White Chardonnay</Name><Price>17990</Price></Product>
+      </Products>
+    </Category>
+
+    <Category>
+      <Name>Cheese</Name>
+      <Products>
+        <Product><Sku>CHE-11001</Sku><Name>Gouda</Name><Price>8990</Price></Product>
+        <Product><Sku>CHE-11002</Sku><Name>Parmesan</Name><Price>13990</Price></Product>
+      </Products>
+    </Category>
+
+    <Category>
+      <Name>Meat</Name>
+      <Products>
+        <Product><Sku>MEA-12001</Sku><Name>Beef Steak</Name><Price>25990</Price></Product>
+        <Product><Sku>MEA-12002</Sku><Name>Pork Sausage</Name><Price>9990</Price></Product>
+      </Products>
+    </Category>
+
+    <Category>
+      <Name>Fish</Name>
+      <Products>
+        <Product><Sku>FIS-13001</Sku><Name>Salmon Fillet</Name><Price>18990</Price></Product>
+        <Product><Sku>FIS-13002</Sku><Name>Tuna Can</Name><Price>6990</Price></Product>
+      </Products>
+    </Category>
+
+    <Category>
+      <Name>Vegetables</Name>
+      <Products>
+        <Product><Sku>VEG-14001</Sku><Name>Broccoli</Name><Price>4990</Price></Product>
+        <Product><Sku>VEG-14002</Sku><Name>Carrots</Name><Price>2990</Price></Product>
+      </Products>
+    </Category>
+
+    <Category>
+      <Name>Fruits</Name>
+      <Products>
+        <Product><Sku>FRU-15001</Sku><Name>Bananas</Name><Price>3990</Price></Product>
+        <Product><Sku>FRU-15002</Sku><Name>Apples</Name><Price>4490</Price></Product>
+      </Products>
+    </Category>
+
+    <Category>
+      <Name>Dairy</Name>
+      <Products>
+        <Product><Sku></Sku><Name>Whole Milk</Name><Price>2590</Price></Product>
+        <Product><Sku>DAI-16002</Sku><Name>Yogurt</Name><Price>3290</Price></Product>
+      </Products>
+    </Category>
+
+    <Category>
+      <Name>Bread</Name>
+      <Products>
+        <Product><Sku>BRE-17001</Sku><Name>Wholegrain Bread</Name><Price>6990</Price></Product>
+        <Product><Sku>BRE-17002</Sku><Name>White Toast</Name><Price>5990</Price></Product>
+      </Products>
+    </Category>
+
+    <Category>
+      <Name>Electronics</Name>
+      <Products>
+        <Product><Sku>ELE-18001</Sku><Name>Wireless Headphones</Name><Price>29990</Price></Product>
+        <Product><Sku>ELE-18002</Sku><Name>Bluetooth Speaker</Name><Price>24990</Price></Product>
+      </Products>
+    </Category>
+
+    <Category>
+      <Name>Books</Name>
+      <Products>
+        <Product><Sku>BOO-19001</Sku><Name>Programming in C#</Name><Price>15990</Price></Product>
+        <Product><Sku>BOO-19002</Sku><Name>History of AI</Name><Price>18990</Price></Product>
+      </Products>
+    </Category>
+
+    <Category>
+      <Name>Games</Name>
+      <Products>
+        <Product><Sku>GAM-20001</Sku><Name>Chess Set</Name><Price>8990</Price></Product>
+        <Product><Sku></Sku><Name>Video Game Controller</Name><Price>21990</Price></Product>
+      </Products>
+    </Category>
+  </Categories>
+</ProductPackage>

zh/zh.csproj

@@ -0,0 +1,16 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+  <ItemGroup>
+	<PackageReference Include="Microsoft.EntityFrameworkCore" Version="9.0.10" />
+	<PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="9.0.10" />
+	<PackageReference Include="Microsoft.EntityFrameworkCore.Proxies" Version="9.0.10" />
+	<PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="9.0.10" />
+	<PackageReference Include="Newtonsoft.Json" Version="13.0.4" />
+</ItemGroup>
+</Project>