求 1+2+3+...+N 的值

状态	递交者	时间	内存	语言	代码	递交时间
AC	shuiyp	39ms	852 KiB	C++17(O2)	248 Bytes	2024-6-24 12:00:15
AC	chenhongsen666	40ms	764 KiB	C++17(O2)	178 Bytes	2024-7-13 16:45:50
AC	teddycode-2	40ms	808 KiB	C++17(O2)	203 Bytes	2024-7-13 12:04:18
AC	teddycode-6	40ms	804 KiB	C++17(O2)	180 Bytes	2024-7-13 16:36:03
AC	teddycode-7	40ms	800 KiB	C++17(O2)	173 Bytes	2024-7-13 16:46:53
AC	teddy-cnxx2024-6	40ms	808 KiB	C++17(O2)	160 Bytes	2024-9-15 19:35:19
AC	xuyi24	40ms	808 KiB	C++17(O2)	160 Bytes	2024-7-22 20:57:07
AC	teddycode-9	41ms	808 KiB	C++17(O2)	190 Bytes	2024-7-13 16:42:17
AC	teddycode-11	41ms	812 KiB	C++17(O2)	175 Bytes	2024-7-13 16:52:31
AC	teddycode-15	41ms	808 KiB	C++17(O2)	142 Bytes	2024-7-11 14:58:00
AC	Penglinghao	43ms	808 KiB	C++17(O2)	225 Bytes	2024-7-13 16:47:17
AC	teddycode-4	43ms	808 KiB	C++17(O2)	199 Bytes	2024-7-13 12:07:46
AC	chenyixuan	44ms	804 KiB	C++11	133 Bytes	2024-7-5 15:47:43
AC	teddycode-3	46ms	732 KiB	C++17(O2)	200 Bytes	2024-7-13 12:03:13