优惠券（coupon）

状态	递交者	时间	内存	语言	代码	递交时间
AC	miaozhanhong	36ms	532 KiB	C++11	445 Bytes	2026-6-10 17:42:52
AC	zhuyixing	36ms	532 KiB	C++11	404 Bytes	2026-6-19 12:07:42
AC	daiyan	36ms	540 KiB	C++11	399 Bytes	2026-6-13 19:27:22
AC	wangyue	37ms	532 KiB	C++11	747 Bytes	2026-6-13 19:28:54
AC	fangyiming	37ms	624 KiB	C++11	352 Bytes	2026-6-13 19:05:47
AC	Foracy	39ms	576 KiB	C++17(O2)	580 Bytes	2026-6-13 20:29:01
AC	xiayixuan	40ms	536 KiB	C++11	328 Bytes	2026-6-13 19:41:52
AC	panqizhong	42ms	572 KiB	C++11	589 Bytes	2026-6-13 19:46:05