まだ続く変な問題。 http://codeforces.com/contest/409/problem/G http://codeforces.com/contest/409/problem/H http://codeforces.com/contest/409/problem/I

また変な問題…。 http://codeforces.com/contest/409/problem/D http://codeforces.com/contest/409/problem/E http://codeforces.com/contest/409/problem/F

April Fools Dayコンテストに今年も参加。 何とか6/9問解けてほどほどの順位に。喜んでいいのか悪いのかわからんが…。 http://codeforces.com/contest/409/problem/A http://codeforces.com/contest/409/problem/B http://codeforces.com/contest/409/proble…