Longest Increasing subsequence hb

[S18LPC-OL0010 (Preesh Tiwari)]

https://hack.codingblocks.com/contests/c/457/1006
https://ide.codingblocks.com/#/s/29867

[Abhishek-Vanjani-1385688111468238 (Abhishek Vanjani)]

https://ide.codingblocks.com/#/s/29926

this is the correct way of implementing LIS.