【入门】将n拆成3个数的和

状态	递交者	时间	内存	语言	代码	递交时间
AC	zhongjunnan	1ms	504 KiB	C++11(O2)	285 Bytes	2026-4-27 19:06:12
AC	liuhaoran	1ms	564 KiB	C++14	251 Bytes	2026-4-9 16:28:27
AC	taosirui	2ms	760 KiB	C++98(O2)	370 Bytes	2026-4-24 13:13:24
AC	liangluoquan	2ms	448 KiB	C++14(O2)	222 Bytes	2026-4-19 17:06:24
AC	zhengkaiyang666	2ms	532 KiB	C++98(O2)	270 Bytes	2026-4-27 12:20:14
AC	wengzhaoyu8	2ms	760 KiB	C++14	221 Bytes	2026-5-19 22:13:21
AC	shaojianle	2ms	532 KiB	C++98(O2)	309 Bytes	2026-5-12 13:15:32