练8.2 完成习题

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	C24luojunming	12ms	548 KiB	C++11	131 Bytes	2024-7-12 21:21:02
AC	C24zhengshunyuan	14ms	540 KiB	C++11	189 Bytes	2025-1-14 21:10:04
AC	C23liukaiyan	14ms	412 KiB	C++11	113 Bytes	2023-11-22 17:13:26
AC	C24tanhaolun	14ms	760 KiB	C++11	451 Bytes	2025-4-18 10:15:03
AC	C23zhangruiyuan	14ms	412 KiB	C++11	107 Bytes	2023-10-6 9:51:17
AC	C23fengrui	15ms	516 KiB	C++14	127 Bytes	2023-12-30 16:57:13
AC	C23liupeilin	17ms	644 KiB	C++11	112 Bytes	2023-12-22 9:28:00