triplet.cpp

#include <bits/stdc++.h> 
using namespace std; 
  

bool find3Numbers(int A[], int arr_size, int sum)  
{  
    int l, r;  
  
    
    for (int i = 0; i < arr_size - 2; i++) 
    {  
  
       
        for (int j = i + 1; j < arr_size - 1; j++) 
        {  
  
            
            for (int k = j + 1; k < arr_size; k++) 
            {  
                if (A[i] + A[j] + A[k] == sum) 
                {  
                    cout << "Triplet is " << A[i] << 
                        ", " << A[j] << ", " << A[k];  
                    return true;  
                }  
            }  
        }  
    }  
  
   
    return false;  
}  
  

int main()  
{  
    int A[] = { 12, 3, 4, 1, 6, 9 };  
    int sum = 24;  
    int arr_size = sizeof(A) / sizeof(A[0]);  
    find3Numbers(A, arr_size, sum);  
    return 0;  
}