练24.2 for循环求和

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	seanpan	10ms	500 KiB	C++98	166 Bytes	2025-12-6 11:43:15
AC	raycao	10ms	508 KiB	C++20(O2)	159 Bytes	2025-9-26 18:46:53
AC	coopermao	11ms	508 KiB	C++98	162 Bytes	2025-12-6 11:33:04
AC	hankli	11ms	496 KiB	C++20	149 Bytes	2025-9-24 17:47:29
AC	simonwu	11ms	532 KiB	C++20(O2)	161 Bytes	2025-12-6 11:31:25
AC	peterwei	11ms	540 KiB	C++20(O2)	166 Bytes	2025-12-10 0:04:00