▽Problem Paradise ●04/13 00:06 重要:PP109号のH1522 (Christopher Jones, H#4.5)はPP107号ですでに発表済のものと重複しているため、採点の対象外とします。何卒ご了承願います。Important Notice:H1522 (Christopher Jones, H#4.5) in PP109 is a duplicate of a problem that appeared in PP107. As such, it will be excluded from the solving points.We apologize for the duplication and any inconvenience caused.
▽A Nice Problem ●04/11 03:09 10 years ago10 years ago10 years ago10 years ago