static int valueOfFriendsship(int n, int[][] friendships) {
       int total = 0;
       int [][] friends = new int [n][n];
       int numberOfFriendships = friendships[0][1];
       for(int i=1;i<friendships.length;i++)
       {
           int x = friendships[i][0];
           int y = friendships[i][1];
           //adding 1 in the friends array corresponding to each friend that person make
            friends[x][y] = 1 ;
            friends[y][x] = 1 ;
            //looping on friends list to update it
            for (int z = 0;z<friends.length;z++)
            {
                if(friends[z][x]>0)
                {
                    friends[x][z] = 1;
                    friends[y][z]=1;
                }
                if(friends[z][y]>0)
                {
                    friends[y][z] = 1;
                    friends[x][z] = 1;
                }

            }
            //updating total
            for(int k = 0;k<friends.length;k++)
            {
              for(int l = 0;l<friends[k].length;l++)
              {
                total += friends[k][l];
              }
            }

        }

        return total;


    }