求阶乘的和

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	xinao	16ms	380 KiB	C++14	253 Bytes	2023-8-10 9:29:10
AC	xuanxuan	18ms	948 KiB	C++17	266 Bytes	2023-3-18 20:27:23
AC	杜蓉蓉	19ms	408 KiB	C++14	212 Bytes	2025-12-18 20:17:59
AC	adler	19ms	408 KiB	C++14	293 Bytes	2025-12-18 20:17:43
AC	cherry	20ms	508 KiB	C++14	255 Bytes	2025-12-18 20:18:26
AC	穆思辰	20ms	732 KiB	C++14	178 Bytes	2026-4-13 19:59:33
AC	eason	21ms	412 KiB	C++14	900 Bytes	2024-7-22 20:31:46
AC	王若兰	22ms	504 KiB	C++14	206 Bytes	2025-12-18 20:22:05