计算 2 的幂

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	sage2012	30ms	808 KiB	C++14(O2)	170 Bytes	2025-9-20 17:21:16
AC	root	31ms	808 KiB	C++14(O2)	239 Bytes	2025-8-26 9:15:35
AC	Harry	31ms	808 KiB	C++14	170 Bytes	2025-8-21 15:26:58
AC	w20120404	33ms	808 KiB	C++14(O2)	128 Bytes	2025-8-19 15:23:31
AC	简怀墨2025xlycontest	33ms	856 KiB	C++14(O2)	142 Bytes	2025-9-21 20:30:50
AC	谭博文	33ms	812 KiB	C++14(O2)	165 Bytes	2025-10-7 17:53:02
AC	_chjich_	34ms	820 KiB	C++14(O2)	169 Bytes	2025-7-11 9:35:32
AC	钟雨辰xly2025	34ms	808 KiB	C++14(O2)	139 Bytes	2025-9-11 17:19:10
AC	maochengjun	35ms	808 KiB	C++14	125 Bytes	2025-7-9 11:46:00
AC	Mch121018	36ms	816 KiB	C++17(O2)	224 Bytes	2025-9-5 21:42:54
AC	曾彦彬contest	37ms	808 KiB	C++14(O2)	142 Bytes	2025-7-7 20:02:54
AC	若白	38ms	808 KiB	C++17(O2)	122 Bytes	2025-7-11 15:28:03
AC	陈国瑞	39ms	808 KiB	C++14(O2)	156 Bytes	2025-7-15 17:21:22
AC	女乃龙	39ms	808 KiB	C++14(O2)	125 Bytes	2025-7-11 14:51:27
AC	xzh13579	40ms	808 KiB	C++14(O2)	135 Bytes	2025-7-27 17:57:35