inheritance C++ sum of all integer between 100 and 200 which are divisible by 9

Write a program to find the number and sum of all integer between 100 and 200 which are divisible by 9 using the classes.

//Write a program to find the number and sum of all integer between 100 and 200 which are divisible by 9.
#include<iostream>
using namespace  std;
class number
{
	private:
		int i,sum=0;
		public:
			int show_num()
			{
				for(i=101; i<200; i++)
				if(i%9==0)
				{
					cout<<"numbers divisble by 9 is= "<<i<<endl;
					sum=sum+i;
				}
				cout<<"sum of all numbers divisible by 9 is= "<<sum<<endl;
			}
};
int main()
{
	number f;
	f.show_num();
}

WAP to find the number and sum of all integer between 100 and 200 which are divisible by 9 using the single inheritance.

//Write a program to find the number and sum of all integer between 100 and 200 which are divisible by 9.
//single inheritence
#include<iostream>
using namespace  std;
class number
{
	protected:
		int i,sum=0;
	};
		class child:public number
		{
		public:
			int show_num()
			{
				for(i=101; i<200; i++)
				if(i%9==0)
				{
					cout<<"numbers divisble by 9 is= "<<i<<endl;
					sum=sum+i;
				}
				cout<<"sum of all numbers divisible by 9 is= "<<sum<<endl;
			}
		};

int main()
{
	child f;
	f.show_num();
}

WAP to show the sum of all integer between 100 and 200 which are divisible by 9 with the help of multiple inheritances.

//Write a program to find the number and sum of all integer between 100 and 200 which are divisible by 9.
//multiple inheritence
#include<iostream>
using namespace  std;
class number
{
	protected:
		int i;
	};
	class number2
	{
		protected:
			int sum=0;
	};
		class child:public number,public number2
		{
		public:
			int show_num()
			{
				for(i=101; i<200; i++)
				if(i%9==0)
				{
					cout<<"numbers divisble by 9 is= "<<i<<endl;
					sum=sum+i;
				}
				cout<<"sum of all numbers divisible by 9 is= "<<sum<<endl;
			}
		};

int main()
{
	child f;
	f.show_num();
}

WAP to show the sum of all integer between 100 and 200 which are divisible by 9 with the help of multi-level inheritance.

//Write a program to find the number and sum of all integer between 100 and 200 which are divisible by 9.
//multi level inheritence
#include<iostream>
using namespace  std;
class number
{
	protected:
		int i;
	};
	class number2:public number
	{
		protected:
			int sum=0;
	};
		class child:public number2
		{
		public:
			int show_num()
			{
				for(i=101; i<200; i++)
				if(i%9==0)
				{
					cout<<"numbers divisble by 9 is= "<<i<<endl;
					sum=sum+i;
				}
				cout<<"sum of all numbers divisible by 9 is= "<<sum<<endl;
			}
		};

int main()
{
	child f;
	f.show_num();
}