【例12.2】长方体表面积

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	Mch121018	49ms	532 KiB	C++14(O2)	156 Bytes	2025-7-4 19:57:16
AC	马康智xly2025	49ms	532 KiB	C++14(O2)	159 Bytes	2025-7-9 14:05:50
AC	黄昭明xly2025	50ms	764 KiB	C++14(O2)	160 Bytes	2025-7-6 14:14:25
AC	shtian	54ms	764 KiB	C++98	157 Bytes	2024-7-15 13:21:20