Hello Codeforces! This morning(China), I want to have a look at the problem IOI 2009, DAY 2, B, Mecho. But only find this:
What's wrong? Thanks for your reply.
Something wrong with IOI ARCHIVE
Hello Codeforces! This morning(China), I want to have a look at the problem IOI 2009, DAY 2, B, Mecho. But only find this:
What's wrong? Thanks for your reply.