Class Assignment : Getting WA, can't figure why

#1

Having trouble with problem : class assignment
problem : https://hack.codingblocks.com/contests/c/452/875
code : https://ide.codingblocks.com/#/s/21736
Getting WA, any hints?

#2

You are not using the correct format to print.
for every test case u have to print "# test no followed by colon and then ans
eg :
#1 : 2
#2 : 5