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
Feb 20, 2023 20:55	Oleg T	CPPg++9.3.0	Error
Feb 20, 2023 20:54	Oleg T	CPPg++9.3.0	Error
Feb 20, 2023 20:52	Oleg T	CPPg++9.3.0	Error
Feb 20, 2023 10:15	Oleg T	CPPg++9.3.0	Error
Feb 20, 2023 10:14	Oleg T	CPPg++9.3.0	Error
Feb 20, 2023 10:13	Oleg T	CPPg++9.3.0	Error
Feb 20, 2023 10:12	Oleg T	CPPg++9.3.0	Error
Feb 20, 2023 10:11	Oleg T	CPPg++9.3.0	Error
Feb 20, 2023 10:11	Oleg T	CPPg++9.3.0	Error
Feb 20, 2023 10:09	Oleg T	CPPg++9.3.0	Error
Feb 20, 2023 10:08	Oleg T	CPPg++9.3.0	Error
Feb 20, 2023 10:06	Oleg T	CPPg++9.3.0	Error
Feb 20, 2023 10:05	Oleg T	CPPg++9.3.0	Error
Feb 20, 2023 10:04	Oleg T	CPPg++9.3.0	Error
Feb 20, 2023 09:49	Oleg T	CPPg++9.3.0	Success	462,886+0.09 RP
Feb 20, 2023 09:45	Oleg T	CPPg++9.3.0	Success	464,889+21.51 RP
Feb 18, 2023 21:22	Ilya Hontarau	GOgo1.20.1	Error
Feb 18, 2023 21:21	Ilya Hontarau	GOgo1.20.1	Error
Feb 18, 2023 21:12	Ilya Hontarau	GOgo1.20.1	Error
Feb 18, 2023 21:08	Ilya Hontarau	GOgo1.20.1	Error
Feb 18, 2023 20:50	Ilya Hontarau	GOgo1.20.1	Success	213,605+2.67 RP
Feb 18, 2023 20:47	Ilya Hontarau	GOgo1.20.1	Success	226,522+0.94 RP
Feb 18, 2023 20:33	Ilya Hontarau	GOgo1.20.1	Success	231,476+43.20 RP
Feb 17, 2023 21:03	Liam	CPPg++9.3.0	Error
Feb 17, 2023 21:02	Liam	CPPclang++10.0.0	Success	86,241+4.28 RP
Feb 17, 2023 21:01	Liam	CPPclang++10.0.0	Error
Feb 17, 2023 21:01	Liam	CPPclang++10.0.0	Error
Feb 16, 2023 19:04	Liam	CPPclang++10.0.0	Error
Feb 16, 2023 19:00	Liam	CPPclang++10.0.0	Error
Feb 16, 2023 18:55	Liam	CPPclang++10.0.0	Error
Feb 16, 2023 18:53	Liam	CPPg++9.3.0	Success	89,546+21.87 RP
Feb 16, 2023 18:38	Liam	CPPg++9.3.0	Success	111,355+61.08 RP
Feb 16, 2023 17:22	Liam	CPPg++9.3.0	Success	349,600
Feb 16, 2023 17:18	Liam	CPPg++9.3.0	Success	348,157+0.49 RP
Feb 16, 2023 17:18	Liam	CPPclang++10.0.0	Success	354,176+0.27 RP
Feb 16, 2023 17:18	Liam	CPPclang++10.0.0	Success	357,559+6.32 RP
Feb 16, 2023 17:15	Liam	CPPclang++10.0.0	Error
Feb 16, 2023 17:13	Liam	CPPclang++10.0.0	Error
Feb 16, 2023 17:11	Liam	CPPclang++10.0.0	Error
Feb 16, 2023 17:00	Liam	CPPclang++10.0.0	Error
Feb 16, 2023 16:59	Liam	CPPclang++10.0.0	Error
Feb 16, 2023 16:59	Liam	CPPg++9.3.0	Error
Feb 16, 2023 01:40	OnceToldMe	GOgo1.20.1	Error
Feb 16, 2023 01:34	OnceToldMe	GOgo1.20.1	Success	123,558+80.93 RP
Feb 13, 2023 02:09	Liam	CPPg++9.3.0	Success	461,855+0.15 RP
Feb 13, 2023 02:09	Liam	CPPclang++10.0.0	Success	468,099
Feb 13, 2023 02:09	Liam	CPPclang++10.0.0	Success	467,898
Feb 13, 2023 02:09	Liam	CPPg++9.3.0	Success	465,138+21.50 RP
Feb 11, 2023 04:32	Mikhail Shirokov	CPPg++9.3.0	Error
Feb 11, 2023 04:30	Mikhail Shirokov	CPPg++9.3.0	Success	462,343
Feb 10, 2023 12:27	A L Manning	RUSTrust-1.67.1	Success	57,945
Feb 10, 2023 12:21	A L Manning	RUSTrust-1.67.1	Success	40,109+7.02 RP
Feb 10, 2023 12:20	A L Manning	RUSTrust-1.66.0	Success	43,124
Jan 4, 2023 01:29	Udbhav	RUSTrust-1.66.0	Success	172,237+14.18 RP
Jan 4, 2023 01:27	Udbhav	RUSTrust-1.66.0	Success	227,903+43.88 RP
Jan 2, 2023 13:00	A L Manning	RUSTrust-1.66.0	Success	41,271+4.86 RP
Jan 2, 2023 12:58	A L Manning	RUSTrust-1.66.0	Success	48,380
Jan 2, 2023 12:57	A L Manning	RUSTrust-1.66.0	Success	42,217
Jan 2, 2023 12:54	A L Manning	RUSTrust-1.66.0	Success	42,115+34.58 RP
Jan 2, 2023 12:50	A L Manning	RUSTrust-1.66.0	Error
Jan 2, 2023 12:43	A L Manning	RUSTrust-1.66.0	Success	53,763
Jan 2, 2023 12:36	A L Manning	RUSTrust-1.66.0	Success	53,732
Jan 2, 2023 12:33	A L Manning	RUSTrust-1.66.0	Success	62,603
Jan 2, 2023 12:31	A L Manning	RUSTrust-1.66.0	Success	76,523
Jan 2, 2023 12:26	A L Manning	RUSTrust-1.66.0	Success	76,992
Jan 2, 2023 12:12	A L Manning	RUSTrust-1.66.0	Success	53,458
Dec 18, 2022 20:19	Franek Korta	CPPg++9.3.0	Success	24,023
Dec 18, 2022 20:18	Franek Korta	CPPg++9.3.0	Success	20,492
Dec 18, 2022 20:17	Franek Korta	CPPg++9.3.0	Error
Dec 18, 2022 20:17	Franek Korta	CPPg++9.3.0	Error
Dec 18, 2022 20:16	Franek Korta	CPPg++9.3.0	Success	20,695
Dec 18, 2022 20:15	Franek Korta	CPPg++9.3.0	Success	21,217
Dec 18, 2022 20:14	Franek Korta	CPPg++9.3.0	Success	20,472
Dec 18, 2022 20:13	Franek Korta	CPPg++9.3.0	Error
Dec 18, 2022 19:59	Franek Korta	CPPg++9.3.0	Success	19,098
Dec 18, 2022 19:58	Franek Korta	CPPg++9.3.0	Success	16,682
Dec 18, 2022 19:55	Franek Korta	CPPg++9.3.0	Success	16,527
Dec 18, 2022 19:54	Franek Korta	CPPg++9.3.0	Success	19,830
Dec 18, 2022 19:53	Franek Korta	CPPg++9.3.0	Error
Dec 17, 2022 23:35	Franek Korta	CPPg++9.3.0	Success	19,844
Dec 17, 2022 23:35	Franek Korta	CPPg++9.3.0	Success	19,994
Dec 17, 2022 23:34	Franek Korta	CPPg++9.3.0	Error
Dec 17, 2022 23:32	Franek Korta	CPPg++9.3.0	Error
Dec 17, 2022 23:31	Franek Korta	CPPg++9.3.0	Success	17,556
Dec 17, 2022 23:25	Franek Korta	CPPg++9.3.0	Success	17,562
Dec 17, 2022 23:25	Franek Korta	CPPg++9.3.0	Error
Dec 17, 2022 23:24	Franek Korta	CPPg++9.3.0	Error
Dec 17, 2022 23:22	Franek Korta	CPPg++9.3.0	Error
Dec 17, 2022 23:22	Franek Korta	CPPg++9.3.0	Success	17,013
Dec 17, 2022 23:14	Franek Korta	CPPg++9.3.0	Success	16,767
Dec 17, 2022 23:04	Franek Korta	CPPg++9.3.0	Success	16,493
Dec 17, 2022 23:03	Franek Korta	CPPg++9.3.0	Success	17,011
Dec 17, 2022 23:01	Franek Korta	CPPg++9.3.0	Error
Dec 17, 2022 22:58	Franek Korta	CPPg++9.3.0	Error
Dec 17, 2022 22:57	Franek Korta	CPPg++9.3.0	Success	16,422+3.58 RP
Dec 17, 2022 22:57	Franek Korta	CPPg++9.3.0	Success	16,660
Dec 17, 2022 22:55	Franek Korta	CPPg++9.3.0	Error
Dec 17, 2022 22:55	Franek Korta	CPPg++9.3.0	Success	16,519+0.22 RP
Dec 17, 2022 22:54	Franek Korta	CPPg++9.3.0	Error
Dec 17, 2022 22:52	Franek Korta	CPPg++9.3.0	Success	16,553

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