Rating not available for this question.
Always it takes a lot of time for the problems of the last rounds to have a rating, is there a reason for that!!
for ex : Codeforces Global Round 23 problems
Rating not available for this question.
Always it takes a lot of time for the problems of the last rounds to have a rating, is there a reason for that!!
for ex : Codeforces Global Round 23 problems
This is the problem I want to discuss : 1661B - Получение нуля
I have this answer, It's not mine but I made it cleaner (I think).
I have two questions and thank you in advance.
1) Why deleting this line : return ans[x]; gives wrong answer.
2) why changing the code into the 2 code below gives wrong answer :