void Print_3_Element_Subsets(int n,const element_type S[])
{
 if(n<3) // condition to check if list have less than 3 elements
 {
 print("No subset found");
 }
 
 for(int i =0; i < n ; i++)
 {
 for(int j =i+1; j < n ; j++)
 { 
 for(int k =j+1; k < n ; k++)
 { 
 
 print(S[i],S[j],S[k]);
 
 } 
 } 
 }
 
}
C++ Implementation;
#include<cstdlib>
#include<time.h>
using namespace std;
int S1[5]= {1,2,3,4,5};
int n1 = 5;
int S2[2]={1,2};
int n2 = 2;
void Print_3_Element_Subsets(int n,const int S[])
{
 if(n<3) // condition to check if list have less than 3 elements
 {
 printf("No subset found\n");
 }
 
 printf("3 Subsets are\n");
 for(int i =0; i < n ; i++)
 {
 for(int j =i+1; j < n ; j++)
 { 
 for(int k =j+1; k < n ; k++)
 { 
 
 cout<<S[i]<<" "<<S[j]<<" "<<S[k]<<endl;
 
 } 
 } 
 }
 
}
int main()
{
 
 cout<<"Case 1"<<endl;
 Print_3_Element_Subsets(n1,S1);
 cout<<endl<<"Case 2"<<endl;
 Print_3_Element_Subsets(n2,S2);
 
 
}
OUTPUT
Case 1
3 Subsets are
1 2 3
1 2 4
1 2 5
1 3 4
1 3 5
1 4 5
2 3 4
2 3 5
2 4 5
3 4 5
Case 2
No subset found
3 Subsets are
--------------------------------
Process exited after 0.0137 seconds with return value 0
Press any key to continue . . .