WA in last 3 test cases

[deathman1198 (KUNAL FARMAH)]

Ques: https://hack.codingblocks.com/contests/c/547/1156
Code:
https://ide.codingblocks.com/s/55525

[Anubhav-Aron-1353657628083250 (Anubhav Aron)]

Refer my code:
https://ide.codingblocks.com/s/55783
Very little mistakes in your code
you can easily compare both of our codes
Hit like if u get it

[Anubhav-Aron-1353657628083250 (Anubhav Aron)]

you are doing loop from 1 to n
Make it from 0 to n-1

As grundy concept start from 0

[deathman1198 (KUNAL FARMAH)]

oopsie, I thought, we would have to ignore the 1st block to get the ans for the remaining