Unique strings

Count the exact number of unique tokens as fast as possible.

Input

One token per line on STDIN:

JWXcKKaWzvFL5
Rof
3ztCpA
5wHcGN
*UiEMthaTS*g

Output

Print the exact count of unique tokens to STDOUT.

Constraints

Character set: 0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ@#%*
Maximum token length: 16
Approximately 1,000,000 unique tokens

Restrictions:20s512Mb 1 Score Packages

Feel free to create an issue if you need an extra library from the standard Ubuntu repository.

Name	Version	Description
libc6-dev	2.39-0ubuntu8.7	GNU C Library: Development Libraries and Header Files Contains the symlinks, headers, and object files needed to compile and link programs which use the standard C library.
libclang-common-14-dev	1:14.0.6-19build4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-15-dev	1:15.0.7-14build3	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-16-dev	1:16.0.6-23ubuntu4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-17-dev	1:17.0.6-9ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-18-dev	1:18.1.3-1ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-19-dev	1:19.1.1-1ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-20-dev	1:20.1.2-0ubuntu1~24.04.3	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libcrypt-dev	1:4.4.36-4build1	libcrypt development files This package contains the files needed for developing applications that use libcrypt.
libgcc-10-dev	10.5.0-4ubuntu2.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-11-dev	11.5.0-1ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-12-dev	12.4.0-2ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-13-dev	13.3.0-6ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-14-dev	14.2.0-4ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libobjc-13-dev	13.3.0-6ubuntu2~24.04.1	Runtime library for GNU Objective-C applications (development files) This package contains the headers and static library files needed to build GNU ObjC applications.
libssl-dev	3.0.13-0ubuntu3.11	Secure Sockets Layer toolkit - development files This package is part of the OpenSSL project's implementation of the SSL and TLS cryptographic protocols for secure communication over the Internet. . It contains development libraries, header files, and manpages for libssl and libcrypto.
libstdc++-10-dev	10.5.0-4ubuntu2.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-11-dev	11.5.0-1ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-12-dev	12.4.0-2ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-13-dev	13.3.0-6ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-14-dev	14.2.0-4ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libtbb-dev	2021.11.0-2ubuntu2	parallelism library for C++ - development files TBB is a library that helps you leverage multi-core processor performance without having to be a threading expert. It represents a higher-level, task-based parallelism that abstracts platform details and threading mechanism for performance and scalability. . (Note: if you are a user of the i386 architecture, i.e., 32-bit Intel or compatible hardware, this package only supports Pentium4-compatible and higher processors.) . This package includes the TBB development files.

Date	Author	Language	Status	Score
Mar 1, 2025 23:07	Phib	CPPclang++18.1.3	Error
Mar 1, 2025 23:06	Phib	CPPclang++18.1.3	Success	107,005
Mar 1, 2025 23:05	Phib	CPPclang++18.1.3	Error
Mar 1, 2025 23:03	Phib	CPPclang++18.1.3	Error
Mar 1, 2025 23:03	Phib	CPPclang++18.1.3	Error
Feb 28, 2025 05:23	NoSIMD_C#	CSHARP10.0.0-preview.1	Success	89,195
Feb 26, 2025 17:11	Aditya	CPPclang++18.1.3	Success	104,909+33.74 RP
Feb 26, 2025 17:08	Aditya	CPPclang++18.1.3	Success	163,893
Feb 26, 2025 17:03	Aditya	CPPg++13.2.0	Success	163,518
Feb 26, 2025 17:01	Aditya	CPPg++13.2.0	Success	164,981
Feb 26, 2025 17:01	Aditya	CPPg++13.2.0	Success	162,395+3.86 RP
Feb 26, 2025 16:57	Aditya	CPPclang++18.1.3	Success	173,264+25.74 RP
Feb 26, 2025 16:55	Aditya	CPPclang++18.1.3	Success	366,134
Feb 26, 2025 16:52	Aditya	CPPclang++18.1.3	Success	312,746+10.74 RP
Feb 26, 2025 16:45	Aditya	CPPclang++18.1.3	Success	470,836+21.24 RP
Feb 23, 2025 17:33	Aniruddha Deb	CPPg++13.2.0	Success	145,820+68.58 RP
Feb 23, 2025 17:02	Aniruddha Deb	CPPg++13.2.0	Error
Feb 20, 2025 11:34	Oleg Kovalov	GOgo1.24.0	Success	113,930
Feb 20, 2025 11:33	Oleg Kovalov	GOgo1.24.0	Success	161,800
Feb 20, 2025 11:31	Oleg Kovalov	GOgo1.24.0	Error
Feb 17, 2025 09:18	Ian Mckibben	CPPg++13.2.0	Error
Feb 17, 2025 09:10	Ian Mckibben	CPPg++13.2.0	Success	20,908
Feb 17, 2025 09:10	Ian Mckibben	CPPg++13.2.0	Success	19,500+6.44 RP
Feb 17, 2025 09:09	Ian Mckibben	CPPg++13.2.0	Success	19,834
Feb 17, 2025 09:07	Ian Mckibben	CPPg++13.2.0	Error
Feb 17, 2025 09:06	Ian Mckibben	CPPg++13.2.0	Error
Feb 17, 2025 08:51	Ian Mckibben	CPPg++13.2.0	Error
Feb 17, 2025 08:47	Ian Mckibben	CPPg++13.2.0	Error
Feb 17, 2025 08:41	Ian Mckibben	CPPg++13.2.0	Error
Feb 17, 2025 08:39	Ian Mckibben	CPPg++13.2.0	Error
Feb 17, 2025 08:38	Ian Mckibben	CPPg++13.2.0	Error
Feb 17, 2025 08:36	Ian Mckibben	CPPg++13.2.0	Error
Feb 17, 2025 08:33	Ian Mckibben	CPPg++13.2.0	Error
Feb 17, 2025 08:30	Ian Mckibben	CPPg++13.2.0	Error
Feb 17, 2025 08:22	Ian Mckibben	CPPg++13.2.0	Error
Feb 17, 2025 08:22	Ian Mckibben	CPPg++13.2.0	Error
Feb 17, 2025 08:18	Ian Mckibben	CPPg++13.2.0	Error
Feb 17, 2025 08:17	Ian Mckibben	CPPg++13.2.0	Error
Feb 17, 2025 08:15	Ian Mckibben	CPPg++13.2.0	Error
Feb 17, 2025 08:10	Ian Mckibben	CPPg++13.2.0	Error
Feb 17, 2025 08:09	Ian Mckibben	CPPg++13.2.0	Error
Feb 17, 2025 07:57	Ian Mckibben	CPPg++13.2.0	Error
Feb 17, 2025 07:54	Ian Mckibben	CPPg++13.2.0	Error
Feb 17, 2025 07:49	Ian Mckibben	CPPg++13.2.0	Error
Feb 17, 2025 07:44	Ian Mckibben	CPPg++13.2.0	Error
Feb 17, 2025 07:43	Ian Mckibben	CPPg++13.2.0	Success	19,748+103.41 RP
Feb 17, 2025 07:40	Ian Mckibben	CPPg++13.2.0	Error
Feb 17, 2025 07:40	Ian Mckibben	CPPg++13.2.0	Success	24,816+36.61 RP
Feb 17, 2025 07:37	Ian Mckibben	CPPg++13.2.0	Error
Feb 17, 2025 07:30	Ian Mckibben	CPPg++13.2.0	Error
Feb 17, 2025 07:20	Ian Mckibben	CPPg++13.2.0	Error
Feb 17, 2025 06:54	Ian Mckibben	CPPg++13.2.0	Error
Feb 17, 2025 06:53	Ian Mckibben	CPPg++13.2.0	Success	30,804
Feb 17, 2025 06:50	Ian Mckibben	CPPg++13.2.0	Error
Feb 17, 2025 06:49	Ian Mckibben	CPPg++13.2.0	Error
Feb 17, 2025 06:48	Ian Mckibben	CPPg++13.2.0	Error
Feb 17, 2025 06:47	Ian Mckibben	CPPg++13.2.0	Error
Feb 17, 2025 05:12	Ian Mckibben	CPPg++13.2.0	Error
Feb 16, 2025 19:34	Ian Mckibben	CPPg++13.2.0	Success	27,406
Feb 16, 2025 19:32	Ian Mckibben	CPPg++13.2.0	Error
Feb 16, 2025 19:31	Ian Mckibben	CPPg++13.2.0	Error
Feb 16, 2025 19:26	Ian Mckibben	CPPg++13.2.0	Error
Feb 16, 2025 19:26	Ian Mckibben	CPPg++13.2.0	Success	28,305
Feb 16, 2025 19:22	Ian Mckibben	CPPg++13.2.0	Success	27,610
Feb 16, 2025 19:21	Ian Mckibben	CPPg++13.2.0	Error
Feb 16, 2025 19:20	Ian Mckibben	CPPg++13.2.0	Error
Feb 11, 2025 11:39	Cadovvl	CPPg++13.2.0	Error
Feb 11, 2025 11:38	Cadovvl	CPPclang++18.1.3	Error
Feb 11, 2025 11:35	Cadovvl	CPPg++13.2.0	Error
Feb 11, 2025 11:33	Cadovvl	CPPclang++18.1.3	Error
Feb 11, 2025 07:26	Cadovvl	CPPclang++18.1.3	Success	252,087
Feb 10, 2025 14:56	Oleg Kovalov	GOgo1.23.5	Success	100,496
Feb 10, 2025 14:56	Cadovvl	CPPclang++18.1.3	Success	333,719
Feb 10, 2025 14:13	E Sequeira	CPPclang++18.1.3	Success	80,493
Feb 10, 2025 14:12	E Sequeira	CPPclang++18.1.3	Success	102,690
Feb 10, 2025 14:11	E Sequeira	CPPg++13.2.0	Success	96,846
Feb 10, 2025 13:56	E Sequeira	CPPg++13.2.0	Error
Feb 9, 2025 22:33	Neo	CPPg++13.2.0	Error
Feb 9, 2025 22:26	Neo	CPPg++13.2.0	Success	144,614+69.15 RP
Feb 7, 2025 21:44	E Sequeira	CPPg++13.2.0	Success	74,838
Feb 7, 2025 21:42	E Sequeira	CPPg++13.2.0	Success	93,740
Feb 7, 2025 21:42	E Sequeira	CPPclang++18.1.3	Success	81,650
Feb 7, 2025 21:29	E Sequeira	CPPclang++18.1.3	Success	114,701
Feb 7, 2025 21:25	E Sequeira	CPPclang++18.1.3	Success	330,671
Feb 6, 2025 10:43	NoSIMD_C#	CSHARP9.0.1	Error
Feb 6, 2025 10:31	NoSIMD_C#	CSHARP9.0.1	Success	90,459
Feb 6, 2025 10:27	NoSIMD_C#	CSHARP9.0.1	Success	87,250
Feb 6, 2025 10:26	NoSIMD_C#	CSHARP9.0.1	Success	87,480
Feb 6, 2025 10:24	NoSIMD_C#	CSHARP9.0.1	Success	87,139
Feb 6, 2025 10:22	NoSIMD_C#	CSHARP9.0.1	Success	87,295
Feb 6, 2025 09:22	NoSIMD_C#	CSHARP9.0.1	Success	87,182
Feb 6, 2025 09:20	NoSIMD_C#	CSHARP9.0.1	Success	88,662
Feb 6, 2025 09:15	NoSIMD_C#	CSHARP9.0.1	Success	87,430
Feb 3, 2025 05:32	NoSIMD_C#	CPPclang++18.1.3	Success	146,788
Feb 3, 2025 05:29	NoSIMD_C#	CPPg++13.2.0	Success	135,452
Feb 2, 2025 22:11	Keefe	CPPclang++18.1.3	Error
Feb 2, 2025 22:05	Keefe	CPPclang++18.1.3	Success	85,485
Feb 2, 2025 21:52	Keefe	CPPclang++18.1.3	Error
Feb 2, 2025 21:48	Keefe	CPPclang++18.1.3	Error
Feb 2, 2025 21:44	Keefe	CPPclang++18.1.3	Error

Model	Intel(R) Xeon(R) CPU E3-1271 v3 @ 3.60GHz
Cores	1