题目列表可直接打开完整中文网页题面。中文 PDF、英文 PDF（非官方翻译版本）及补充样例可从右侧 Contest materials 下载。英文译本参照 CCF 官方试卷版式，题目版权归 CCF。 CCF CSP-J 2026, second round (31 October 2026). Four problems with official CCF/NOI test data. Complete Chinese web statements and an unofficial English PDF translation are available. Original duration: 210 minutes. Unofficial training mirror; problem copyrights belong to CCF.
x13