EKO - spoj . Throws wrong answer

[prateek_5 (Praveen Kumar)]

passed 9 test cases but says wrong answer for a few. please suggest changes to my code.

my code : https://ide.codingblocks.com/s/219707

[prateek_5 (Praveen Kumar)]

done !!

here’s the code : https://ide.codingblocks.com/s/219743