C# Online Compiler | .NET Fiddle

<no name> by Anonymous

using System;
					
public class Program
{
	public static void Main()
	{
        string[] arr = {"2", "3", "4", "5", "6", "7", "8", "9", "10", "J", "Q", "K", "A"};
        bool isEqual = false;
        string input = Console.ReadLine();

        for (int i = 0; i < arr.Length; i++)
        {
            if (arr[i] == input)isEqual = true;
        }

        Console.WriteLine(isEqual ? "yes" : "no");	}
}

​x
 
using System;
                    
public class Program
{
    public static void Main()
    {
        string[] arr = {"2", "3", "4", "5", "6", "7", "8", "9", "10", "J", "Q", "K", "A"};
        bool isEqual = false;
        string input = Console.ReadLine();
​
        for (int i = 0; i < arr.Length; i++)
        {
            if (arr[i] == input)isEqual = true;
        }
​
        Console.WriteLine(isEqual ? "yes" : "no");  }
}

Environment version: .NET 9.0.0 (9.0.0)
Newtonsoft.Json version: Newtonsoft.Json, Version=12.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed

{"name" : "value"}
Failed with unhandled exception:
Newtonsoft.Json.JsonWriterException: Token PropertyName in state ArrayStart would result in an invalid JSON object. Path ''.
   at Newtonsoft.Json.JsonWriter.AutoComplete(JsonToken tokenBeingWritten)
   at Newtonsoft.Json.JsonWriter.InternalWritePropertyName(String name)
   at Newtonsoft.Json.JsonTextWriter.WritePropertyName(String name)
   at Newtonsoft.Json.Linq.JProperty.WriteTo(JsonWriter writer, JsonConverter[] converters)
   at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.SerializeValue(JsonWriter writer, Object value, JsonContract valueContract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerProperty)
   at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.SerializeList(JsonWriter writer, IEnumerable values, JsonArrayContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty)
   at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.SerializeValue(JsonWriter writer, Object value, JsonContract valueContract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerProperty)
   at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.Serialize(JsonWriter jsonWriter, Object value, Type objectType)
   at Newtonsoft.Json.JsonSerializer.SerializeInternal(JsonWriter jsonWriter, Object value, Type objectType)
   at Newtonsoft.Json.JsonSerializer.Serialize(JsonWriter jsonWriter, Object value, Type objectType)
   at Newtonsoft.Json.JsonConvert.SerializeObjectInternal(Object value, Type type, JsonSerializer jsonSerializer)
   at Newtonsoft.Json.JsonConvert.SerializeObject(Object value, Type type, JsonSerializerSettings settings)
   at Newtonsoft.Json.JsonConvert.SerializeObject(Object value)
   at TestClass.Test()
   at Program.Main()
Unhandled exception. Newtonsoft.Json.JsonWriterException: Token PropertyName in state ArrayStart would result in an invalid JSON object. Path ''.
   at Newtonsoft.Json.JsonWriter.AutoComplete(JsonToken tokenBeingWritten)
   at Newtonsoft.Json.JsonWriter.InternalWritePropertyName(String name)
   at Newtonsoft.Json.JsonTextWriter.WritePropertyName(String name)
   at Newtonsoft.Json.Linq.JProperty.WriteTo(JsonWriter writer, JsonConverter[] converters)
   at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.SerializeValue(JsonWriter writer, Object value, JsonContract valueContract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerProperty)
   at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.SerializeList(JsonWriter writer, IEnumerable values, JsonArrayContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty)
   at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.SerializeValue(JsonWriter writer, Object value, JsonContract valueContract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerProperty)
   at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.Serialize(JsonWriter jsonWriter, Object value, Type objectType)
   at Newtonsoft.Json.JsonSerializer.SerializeInternal(JsonWriter jsonWriter, Object value, Type objectType)
   at Newtonsoft.Json.JsonSerializer.Serialize(JsonWriter jsonWriter, Object value, Type objectType)
   at Newtonsoft.Json.JsonConvert.SerializeObjectInternal(Object value, Type type, JsonSerializer jsonSerializer)
   at Newtonsoft.Json.JsonConvert.SerializeObject(Object value, Type type, JsonSerializerSettings settings)
   at Newtonsoft.Json.JsonConvert.SerializeObject(Object value)
   at TestClass.Test()
   at Program.Main()
Command terminated by signal 6

Last Run:	12:55:55 am
Compile:	0.034s
Execute:	0.24s
Memory:	18.47Mb
CPU:	0.274s

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