Following are the codes of the respective questions please make changes to code or tell the error along with line number
LAST INDEX :
QUESTION : https://hack.codingblocks.com/app/contests/1289/476/problem
CODE : https://ide.codingblocks.com/s/252754
RECURSION Nth TRIANGLE
QUESTION : https://hack.codingblocks.com/app/contests/1289/321/problem
CODE : https://ide.codingblocks.com/s/252756
RAT IN A MAZE
QUESTION : https://hack.codingblocks.com/app/contests/1289/11/problem
CODE : https://ide.codingblocks.com/s/252758
RECURSION ALL SUBSEQUENCES
QUESTION : https://hack.codingblocks.com/app/contests/1289/153/problem
CODE : https://ide.codingblocks.com/s/252767
