using System;
using System.Collections.Generic;
using System.Linq;
class MainClass {
static void Main() {
Console.WriteLine("Hello World!");
string str = "Hello World This is Dhaval";
Console.WriteLine(WordCount(str));
string[] array = str.Split(" ");
Console.WriteLine(array.Length);
Console.WriteLine(str.Split(" ").Length);
}
public static int WordCount(string str)
{
int num=0;
bool wasInaWord=true;;
if (string.IsNullOrEmpty(str))
{
return num;
}
for (int i=0;i< str.Length;i++)
{
if (i!=0)
{
if (str[i]==' ' && str[i-1]!=' ')
{
num++;
wasInaWord=false;
}
}
if (str[i]!=' ')
{
wasInaWord=true;
}
}
if (wasInaWord)
{
num++;
}
return num;
}
}
