输出重复的字符串的个数

状态	递交者	时间	内存	语言	代码	递交时间
AC	zengjianbo	42ms	700 KiB	C++14(O2)	292 Bytes	2026-3-28 12:10:51
AC	lizishan	66ms	760 KiB	C++20(O2)	219 Bytes	2026-2-24 16:48:08
AC	pengjingxv	68ms	604 KiB	C++14(O2)	194 Bytes	2026-4-12 15:49:38
AC	wengzhaoyu8	68ms	604 KiB	C++14(O2)	184 Bytes	2026-2-24 16:45:53
AC	wuzhaoyi	68ms	1.3 MiB	C++14(O2)	229 Bytes	2026-2-24 16:45:42
AC	lihongxiang	70ms	600 KiB	C++14(O2)	203 Bytes	2026-4-12 15:48:52
AC	suhang	70ms	600 KiB	C++14(O2)	201 Bytes	2026-2-24 16:50:38
AC	zhaozhiyi	79ms	600 KiB	C++14(O2)	230 Bytes	2026-1-25 9:44:04
AC	wangyuanhang	80ms	1.1 MiB	C++14(O2)	220 Bytes	2026-4-8 14:40:45
AC	chenaijin	81ms	616 KiB	C++14(O2)	313 Bytes	2026-1-28 13:20:50
AC	liuxiaofan	175ms	1.1 MiB	C++14	254 Bytes	2026-2-24 16:35:05