CodeCraft-21 and Codeforces Round #711 (Div. 2)题解A GCD SumB. Box FittingC. Planar Reflections
codeforce Round # 711补题A GCD Sum【题目描述】【Input】【Output】【Example】【Note】【题意理解】【代码展示】B. Box Fitting【题目描述】【Input】【Output】【Example】【Note】【题意理解】【代码展示】C. Planar Reflections【题目描述】【Input】【Output】【Examples】【Note】【题意理解】【代码展示】A GCD Sum【题目描述】The gcdSum of a positiv