练24.2 for循环求和

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	C23liukaiyan	49ms	412 KiB	C++11	144 Bytes	2023-11-25 21:39:37
AC	C23zhangruiyuan	53ms	412 KiB	C++11	150 Bytes	2023-10-5 16:00:31
AC	C23huangyuran	60ms	516 KiB	C++17	2.9 KiB	2023-12-8 13:49:55
AC	C23fengrui	62ms	516 KiB	C++14	3.1 KiB	2024-1-6 16:05:43