Hi , This problem is from codechef(Jan cook off 2017) : Xor Grid I read the editorial of the same,but didn't get that.Where did (2^62-2^k+1,2^k) come from? Is their any problem similar to this ? Help me... Have a nice day..
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Hi , This problem is from codechef(Jan cook off 2017) : Xor Grid I read the editorial of the same,but didn't get that.Where did (2^62-2^k+1,2^k) come from? Is their any problem similar to this ? Help me... Have a nice day..
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I'm sorry, but this task is too difficult for you. You need to learn how to solve simpler problems first.
Thank You. Could You tell me simpler ones similar to this?
try to solve these problems:
http://codeforces.net/problemset/problem/243/A
http://codeforces.net/problemset/problem/757/D
It is also very convenient to train solving problems from the codeforces Problemset (archive). Choose the topic that interests you, and sequence tasks according to the descending number decided it