olo_pizza | C# Online Compiler

olo_pizza by psrirajan@gmail.com

using System;
using System.IO;
using System.Collections.Generic;
using Newtonsoft.Json;


public class Program
{
	
		public static void Main(string[] args)
        {
            FindFrequentToppings();
        }

        /// <summary>
        /// Find top 20 pizza toppings
        /// Create Dictionary object and add topping value to key and count to that
        /// </summary>

        public static void FindFrequentToppings()
        {
            var json = File.ReadAllText(@"pizzas.json");
            var pizzaConfigs = JsonConvert.DeserializeObject<PizzaConfiguration[]>(json);
            var orderedConfigs = pizzaConfigs.Select(x => string.Join(",", x.Toppings.OrderBy(y => y)));
            var groups = orderedConfigs.GroupBy(x => x);

            Dictionary<string, int> dicToppingCounts = new Dictionary<string, int>();
            foreach (var g in groups)
            {
                dicToppingCounts.Add(g.Key, g.Count());
            }

            var orderedToppingCounts = dicToppingCounts.OrderByDescending(x => x.Value);

            var Top20ToppingCounts = orderedToppingCounts.Take(20);

            Console.WriteLine("=====================================");
            foreach (var t in Top20ToppingCounts)
            {
                var topping = t.Key;
                ///Display pizza most frequent pizza topping with count
                Console.WriteLine("Toping : " + string.Join(",", topping) + "\t Frequency : " + t.Value);
            }
            Console.ReadLine();
	}
	
	 public class PizzaConfiguration
    {
        [JsonProperty("toppings")]
        public string[] Toppings { get; set; }
    }
}

​x
 
using System;
using System.IO;
using System.Collections.Generic;
using Newtonsoft.Json;
​
​
public class Program
{
    
        public static void Main(string[] args)
        {
            FindFrequentToppings();
        }
​
        /// <summary>
        /// Find top 20 pizza toppings
        /// Create Dictionary object and add topping value to key and count to that
        /// </summary>
​
        public static void FindFrequentToppings()
        {
            var json = File.ReadAllText(@"pizzas.json");
            var pizzaConfigs = JsonConvert.DeserializeObject<PizzaConfiguration[]>(json);
            var orderedConfigs = pizzaConfigs.Select(x => string.Join(",", x.Toppings.OrderBy(y => y)));
            var groups = orderedConfigs.GroupBy(x => x);
​
            Dictionary<string, int> dicToppingCounts = new Dictionary<string, int>();
            foreach (var g in groups)
            {
                dicToppingCounts.Add(g.Key, g.Count());
            }
​
            var orderedToppingCounts = dicToppingCounts.OrderByDescending(x => x.Value);
​
            var Top20ToppingCounts = orderedToppingCounts.Take(20);
​
            Console.WriteLine("=====================================");
            foreach (var t in Top20ToppingCounts)
            {
                var topping = t.Key;
                ///Display pizza most frequent pizza topping with count
                Console.WriteLine("Toping : " + string.Join(",", topping) + "\t Frequency : " + t.Value);
            }
            Console.ReadLine();
    }
    
     public class PizzaConfiguration
    {
        [JsonProperty("toppings")]
        public string[] Toppings { get; set; }
    }
}

Compilation error (line 4, col 7): The type or namespace name 'Json' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 36, col 21): The type or namespace name 'JsonSchema' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 51, col 28): The type or namespace name 'JsonSchema' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 22, col 26): The name 'JsonSchema' does not exist in the current context
Compilation error (line 36, col 51): The type or namespace name 'JsonSchemaBuilder' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 37, col 25): The type or namespace name 'Dictionary<,>' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 37, col 44): The type or namespace name 'JsonSchema' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 39, col 28): The type or namespace name 'JsonSchemaBuilder' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 40, col 31): The name 'SchemaValueType' does not exist in the current context
Compilation error (line 43, col 28): The type or namespace name 'JsonSchemaBuilder' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 44, col 31): The name 'SchemaValueType' does not exist in the current context
Compilation error (line 51, col 59): The type or namespace name 'JsonSchemaBuilder' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 52, col 15): The name 'SchemaValueType' does not exist in the current context
Compilation error (line 53, col 17): The name 'MetaSchemas' does not exist in the current context
Compilation error (line 56, col 25): The type or namespace name 'Dictionary<,>' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 56, col 44): The type or namespace name 'JsonSchema' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 59, col 30): The type or namespace name 'JsonSchemaBuilder' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 60, col 23): The name 'SchemaValueType' does not exist in the current context
Compilation error (line 67, col 32): The type or namespace name 'JsonSchemaBuilder' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 68, col 23): The name 'SchemaValueType' does not exist in the current context
Compilation error (line 75, col 31): The type or namespace name 'JsonSchemaBuilder' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 76, col 23): The name 'SchemaValueType' does not exist in the current context
Compilation error (line 78, col 28): The type or namespace name 'JsonSchemaBuilder' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 79, col 25): The type or namespace name 'JsonSchemaBuilder' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 83, col 19): The type or namespace name 'Dictionary<,>' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 83, col 38): The type or namespace name 'JsonSchema' could not be found (are you missing a using directive or an assembly reference?)

Last Run:	10:18:09 pm
Compile:	0.007s
Execute:	0s
Memory:	0b
CPU:	0s

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