Pass by value and pass by reference using structure C++

Let us see the Pass by value and pass by reference using structure C++.

C++ Code for Pass by value using structures

This program covers the following concepts;

structure
pass by value
pass by reference
user define function(function definition, declaration and calling)
nested for loop

#include<iostream>
using namespace std;
struct counting
{
	int i;
	int j;
	int k=0;
};
void displaydata(struct counting);
int main(){
	counting c1;
	displaydata(c1);
	return 0;
}
  void displaydata(struct counting c1){
  	
	for(c1.i=0;c1.i<=10;c1.i++){
		for(c1.j=1;c1.j<c1.i;c1.j++){
  	printf("%d",c1.k);
  	c1.k++;
  }
  	printf("\n");
  }

  }

#include<iostream>

using namespace std;

struct counting

{

int i;

int j;

int k=0;

};

void displaydata(struct counting);

int main(){

counting c1;

displaydata(c1);

return 0;

}

void displaydata(struct counting c1){

for(c1.i=0;c1.i<=10;c1.i++){

for(c1.j=1;c1.j<c1.i;c1.j++){

printf("%d",c1.k);

c1.k++;

}

printf("\n");

}

Output

numbers program with user define function and structures

C++ Code for Pass by reference using structures