【入门】已知一个圆的半径，求解该圆的面积和周长

状态	递交者	时间	内存	语言	代码	递交时间
AC	cll	2ms	568 KiB	C++14 (O2)	197 Bytes	2026-9-7 19:53:02
AC	kk010	2ms	320 KiB	C++14 (O2)	153 Bytes	2026-9-6 17:50:42
AC	kk007	2ms	576 KiB	C++14 (O2)	165 Bytes	2026-9-6 10:02:32
AC	kk123	2ms	564 KiB	C++14 (O2)	184 Bytes	2026-9-10 17:02:51
AC	kk004	2ms	560 KiB	C++14 (O2)	173 Bytes	2026-9-10 19:43:57
AC	kk390	18ms	3.7 MiB	Python 3	86 Bytes	2026-8-30 16:55:55
AC	kk059	19ms	3.7 MiB	Python 3	84 Bytes	2026-9-9 18:31:28
AC	kk060	20ms	3.9 MiB	Python 3	79 Bytes	2026-9-12 15:08:27
AC	kk012	20ms	3.8 MiB	Python 3	79 Bytes	2026-9-12 15:09:33
AC	kk020	20ms	3.8 MiB	Python 3	85 Bytes	2026-9-17 18:49:20
AC	kk100	21ms	3.8 MiB	Python 3	85 Bytes	2026-9-26 16:30:43
AC	kk201	21ms	3.8 MiB	Python 3	79 Bytes	2026-9-12 15:10:44
AC	kk014	21ms	3.7 MiB	Python 3	89 Bytes	2026-9-27 14:42:22
AC	kk015	22ms	3.8 MiB	Python 3	86 Bytes	2026-9-27 16:54:06