Dhoni and Milk

As we all know, Dhoni loves drinking milk. Once he and Sir Jadeja were invited in the inauguration of a Dairy company in Ranchi. The company had arranged n jars of milk from various breeds of cows , jar number i containing a[i] litres of milk. Since Dhoni loves driking milk more than Sir Jadeja, so Kohli suggested a plan for them. His plan was that each time Dhoni will choose a jar containing t