奇数下标求和 / Odd Index Sum

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状态	递交者	时间	内存	语言	代码	递交时间
AC	yuanzixuan	38ms	432 KiB	C++14[O2]	229 Bytes	2026-10-24 9:04:00
AC	王昶骅	38ms	516 KiB	C++14[O2]	307 Bytes	2026-10-22 18:35:42
AC	Alice_tian	38ms	408 KiB	C++14[O2]	239 Bytes	2026-10-18 18:14:09
AC	hzs_zyn1314	39ms	424 KiB	C++14[O2]	250 Bytes	2026-10-29 20:09:21
AC	zhaohanyu0126	39ms	388 KiB	C++14[O2]	157 Bytes	2026-10-20 19:09:44