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
Apr 26, 2025 14:08	Dmitry Yudakov	CSHARP10.0.0-preview.1	Success	109,753
Apr 26, 2025 14:06	Dmitry Yudakov	CSHARP10.0.0-preview.1	Success	113,660
Apr 26, 2025 08:04	Dmitry Yudakov	CSHARP10.0.0-preview.1	Success	109,613+35.38 RP
Apr 24, 2025 22:31	Dmitry Yudakov	CSHARP10.0.0-preview.1	Error
Apr 24, 2025 22:29	Dmitry Yudakov	CSHARP10.0.0-preview.1	Error
Apr 24, 2025 22:24	Dmitry Yudakov	CSHARP10.0.0-preview.1	Error
Apr 24, 2025 22:21	Dmitry Yudakov	CSHARP10.0.0-preview.1	Success	179,601
Apr 24, 2025 22:18	Dmitry Yudakov	CSHARP10.0.0-preview.1	Success	180,358
Apr 24, 2025 22:08	Dmitry Yudakov	CSHARP10.0.0-preview.1	Success	183,265
Apr 24, 2025 22:08	Dmitry Yudakov	CSHARP10.0.0-preview.1	Error
Apr 24, 2025 22:02	Dmitry Yudakov	CSHARP10.0.0-preview.1	Error
Apr 24, 2025 21:56	Dmitry Yudakov	CSHARP10.0.0-preview.1	Success	179,064+55.85 RP
Apr 24, 2025 21:52	Dmitry Yudakov	CSHARP10.0.0-preview.1	Error
Apr 24, 2025 21:51	Dmitry Yudakov	CSHARP10.0.0-preview.1	Error
Apr 24, 2025 21:30	Dmitry Yudakov	CSHARP10.0.0-preview.1	Error
Apr 24, 2025 21:28	Dmitry Yudakov	CSHARP10.0.0-preview.1	Error
Apr 24, 2025 21:27	Dmitry Yudakov	CSHARP10.0.0-preview.1	Error
Apr 23, 2025 17:16	Keefe	CPPg++13.3.0	Error
Apr 23, 2025 17:12	Keefe	CPPg++13.3.0	Error
Apr 23, 2025 17:05	Keefe	CPPg++13.3.0	Error
Apr 23, 2025 16:59	Keefe	CPPg++13.3.0	Success	39,841+122.09 RP
Apr 23, 2025 16:56	Keefe	CPPg++13.3.0	Success	82,574
Apr 23, 2025 16:52	Keefe	CPPg++13.3.0	Success	77,576+9.28 RP
Apr 18, 2025 10:11	Chandrasekaran Akash	CPPg++9.4.0	Success	478,395
Apr 18, 2025 09:57	Chandrasekaran Akash	CPPg++9.4.0	Success	471,990
Apr 18, 2025 09:53	Chandrasekaran Akash	CPPg++9.4.0	Success	471,035+0.57 RP
Apr 14, 2025 10:36	NoSIMD_C#	CSHARP9.0.4	Error
Apr 14, 2025 10:13	NoSIMD_C#	CSHARP9.0.4	Error
Apr 11, 2025 09:53	NoSIMD_C#	CSHARP9.0.4	Error
Apr 11, 2025 09:48	NoSIMD_C#	CSHARP9.0.4	Error
Apr 9, 2025 17:32	NoSIMD_C#	CSHARP9.0.4	Success	88,719
Apr 8, 2025 14:21	NoSIMD_C#	CSHARP9.0.3	Success	105,617
Apr 8, 2025 14:21	NoSIMD_C#	CSHARP9.0.3	Success	116,197
Apr 8, 2025 14:16	NoSIMD_C#	CSHARP9.0.3	Error
Apr 8, 2025 14:14	NoSIMD_C#	CSHARP9.0.3	Success	102,111
Apr 8, 2025 14:10	NoSIMD_C#	CSHARP9.0.3	Error
Apr 8, 2025 14:07	NoSIMD_C#	CSHARP9.0.3	Error
Apr 8, 2025 08:01	NoSIMD_C#	CSHARP9.0.3	Success	96,613
Apr 8, 2025 07:58	NoSIMD_C#	CSHARP9.0.3	Success	93,404
Apr 8, 2025 07:55	NoSIMD_C#	CSHARP9.0.3	Success	89,107
Apr 8, 2025 07:21	NoSIMD_C#	CPPclang++18.1.3	Success	135,006
Apr 7, 2025 22:10	Aniruddha Deb	CPPg++13.2.0	Success	21,519+2.62 RP
Apr 7, 2025 22:03	Aniruddha Deb	CPPg++13.2.0	Success	21,641+10.90 RP
Apr 7, 2025 21:45	Aniruddha Deb	CPPg++13.2.0	Error
Apr 7, 2025 21:43	Aniruddha Deb	CPPg++13.2.0	Success	22,377
Apr 7, 2025 21:38	Aniruddha Deb	CPPg++13.2.0	Error
Apr 7, 2025 21:36	Aniruddha Deb	CPPg++13.2.0	Success	22,905
Apr 4, 2025 19:53	NoSIMD_C#	CSHARP9.0.3	Success	99,516
Apr 4, 2025 19:52	NoSIMD_C#	CSHARP9.0.3	Success	94,379
Apr 4, 2025 19:50	NoSIMD_C#	CSHARP9.0.3	Success	95,118
Apr 4, 2025 19:49	NoSIMD_C#	CSHARP9.0.3	Error
Apr 4, 2025 19:47	NoSIMD_C#	CSHARP9.0.3	Error
Apr 4, 2025 19:46	NoSIMD_C#	CSHARP9.0.3	Error
Apr 4, 2025 19:40	NoSIMD_C#	CSHARP9.0.3	Error
Apr 4, 2025 18:57	NoSIMD_C#	CSHARP9.0.3	Error
Apr 4, 2025 18:53	NoSIMD_C#	CSHARP9.0.3	Success	92,338
Apr 4, 2025 18:35	NoSIMD_C#	CSHARP9.0.3	Success	88,675
Apr 4, 2025 18:24	NoSIMD_C#	CSHARP9.0.3	Error
Apr 4, 2025 10:12	NoSIMD_C#	CSHARP9.0.3	Error
Apr 4, 2025 10:06	NoSIMD_C#	CSHARP9.0.3	Success	91,747
Mar 23, 2025 15:50	Aniruddha Deb	CPPg++13.2.0	Success	22,164+6.07 RP
Mar 23, 2025 15:38	Aniruddha Deb	CPPg++13.2.0	Error
Mar 23, 2025 15:38	Aniruddha Deb	CPPg++13.2.0	Success	22,466+10.96 RP
Mar 23, 2025 15:35	Aniruddha Deb	CPPg++13.2.0	Success	23,033+27.37 RP
Mar 23, 2025 14:51	Aniruddha Deb	CPPg++13.2.0	Success	24,583+109.81 RP
Mar 23, 2025 14:48	Aniruddha Deb	CPPg++13.2.0	Success	34,075
Mar 23, 2025 14:38	Aniruddha Deb	CPPg++13.2.0	Success	35,198
Mar 23, 2025 14:28	Aniruddha Deb	CPPg++13.2.0	Success	35,044
Mar 23, 2025 14:27	Aniruddha Deb	CPPg++13.2.0	Error
Mar 23, 2025 10:55	Aniruddha Deb	CPPg++13.2.0	Success	33,673+16.74 RP
Mar 23, 2025 10:41	Aniruddha Deb	CPPg++13.2.0	Success	35,684+108.45 RP
Mar 23, 2025 10:39	Aniruddha Deb	CPPg++13.2.0	Success	85,222
Mar 23, 2025 10:09	Aniruddha Deb	CPPg++13.2.0	Error
Mar 23, 2025 10:06	Aniruddha Deb	CPPg++13.2.0	Error
Mar 23, 2025 10:05	Aniruddha Deb	CPPg++13.2.0	Error
Mar 23, 2025 08:52	Aniruddha Deb	CPPg++13.2.0	Error
Mar 23, 2025 08:47	Aniruddha Deb	CPPg++13.2.0	Error
Mar 22, 2025 20:29	Asahi Naruhaya	RUSTrust-1.85.0	Error
Mar 22, 2025 20:28	Asahi Naruhaya	RUSTrust-1.85.0	Error
Mar 22, 2025 20:17	Asahi Naruhaya	RUSTrust-1.85.0	Error
Mar 22, 2025 20:16	Asahi Naruhaya	RUSTrust-1.85.0	Error
Mar 22, 2025 18:58	Asahi Naruhaya	RUSTrust-1.85.0	Error
Mar 22, 2025 17:31	Aniruddha Deb	CPPg++13.2.0	Success	417,928
Mar 22, 2025 17:31	Aniruddha Deb	CPPg++13.2.0	Success	418,804
Mar 22, 2025 17:26	Aniruddha Deb	CPPg++13.2.0	Success	415,778
Mar 22, 2025 17:24	Aniruddha Deb	CPPg++13.2.0	Success	58,210+94.60 RP
Mar 22, 2025 17:02	Aniruddha Deb	CPPg++13.2.0	Success	129,548+0.56 RP
Mar 22, 2025 16:47	Aniruddha Deb	CPPg++13.2.0	Success	130,503+8.05 RP
Mar 22, 2025 16:36	Aniruddha Deb	CPPg++13.2.0	Error
Mar 12, 2025 18:36	Aniruddha Deb	CPPg++13.2.0	Success	150,510
Mar 12, 2025 18:23	Aniruddha Deb	CPPg++13.2.0	Error
Mar 1, 2025 23:10	Phib	CPPclang++18.1.3	Error
Mar 1, 2025 23:09	Phib	CPPclang++18.1.3	Error
Mar 1, 2025 23:08	Phib	CPPclang++18.1.3	Error
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

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