2020-2021 ICPC Southeastern European Regional Programming Contest (SEERC 2020) problem solving Report
2020-2021 ICPC Southeastern European Regional Programming Contest (SEERC 2020) shopping spree B. Reverse Game General m...
Some problems of CCPC Qinhuangdao station in 2019
preface I think this set of questions is a little difficult. In contrast, bloggers are real vegetable dogs. But as long ...