Connect n ropes with minimum cost Java Code Solution Watch Video:: Code: import java.util.*; import java.lang.*; import java.io.*; class Test{ public static void main(String[] args) { //Taking input using class Scanner Scanner in = new Scanner(System.in); //Taking count of testcases int t = in.nextInt(); while (t-- > 0) { //takling count of elements int n = in.nextInt(); //Creating an array of size n long arr[] = new long[n]; //inserting elements to the array for (int i = 0; i < n; ++i) arr[i] = in.nextLong(); //calling minCost method of class solve System.out.println(new Solution().minCost(arr, n)); } } } // } Driver Code Ends class Solution{ long minCost(long arr[], int n) { PriorityQueue<Long> heap = new PriorityQueue<>(); for(int i=0;i<n;i++){