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	1:20.1.2-0ubuntu1~24.04.2	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.
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	3.0.13-0ubuntu3.9	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
Sep 7, 2021 17:48	picul	CPPg++9.3.0	Error
Sep 7, 2021 17:46	picul	CPPg++9.3.0	Error
Sep 7, 2021 17:41	picul	CPPg++9.3.0	Error
Sep 7, 2021 17:29	picul	CPPg++9.3.0	Error
Sep 7, 2021 17:28	picul	CPPg++9.3.0	Error
Sep 7, 2021 17:27	picul	CPPg++9.3.0	Error
Sep 7, 2021 17:27	picul	CPPg++9.3.0	Error
Sep 7, 2021 17:25	picul	CPPg++9.3.0	Error
Sep 7, 2021 17:24	picul	CPPg++9.3.0	Error
Sep 7, 2021 17:23	picul	CPPg++9.3.0	Error
Sep 7, 2021 03:21	Artur Mogozov	GOgo1.17	Success	231,051+43.28 RP
Sep 6, 2021 12:35	Mikhail Shirokov	CPPg++9.3.0	Success	192,286
Sep 5, 2021 14:46	Sergey Stremin	RUSTrust-1.54.0	Success	22,736+9.18 RP
Sep 5, 2021 14:45	Sergey Stremin	RUSTrust-1.54.0	Success	24,774
Sep 5, 2021 14:13	Sergey Stremin	RUSTrust-1.54.0	Success	23,066
Sep 5, 2021 14:11	Sergey Stremin	RUSTrust-1.54.0	Success	23,203
Sep 5, 2021 14:08	Sergey Stremin	RUSTrust-1.54.0	Success	28,224
Sep 5, 2021 14:05	Sergey Stremin	RUSTrust-1.54.0	Success	26,700
Sep 5, 2021 14:04	Sergey Stremin	RUSTrust-1.54.0	Success	27,922
Sep 5, 2021 14:02	Sergey Stremin	RUSTrust-1.54.0	Success	34,261
Sep 5, 2021 13:59	Sergey Stremin	RUSTrust-1.54.0	Success	31,455
Sep 5, 2021 13:57	Sergey Stremin	RUSTrust-1.54.0	Success	28,371
Sep 5, 2021 13:52	Sergey Stremin	RUSTrust-1.54.0	Error
Sep 5, 2021 13:50	Sergey Stremin	RUSTrust-1.54.0	Success	24,588
Sep 5, 2021 13:48	Sergey Stremin	RUSTrust-1.54.0	Success	24,140
Sep 5, 2021 13:47	Sergey Stremin	RUSTrust-1.54.0	Success	25,859
Sep 5, 2021 13:43	Sergey Stremin	RUSTrust-1.54.0	Success	23,305
Sep 5, 2021 13:39	Sergey Stremin	RUSTrust-1.54.0	Success	26,459
Sep 5, 2021 13:38	Sergey Stremin	RUSTrust-1.54.0	Success	30,298
Sep 5, 2021 13:20	Andrey Tsvetkov	GOgo1.17	Success	126,137
Sep 5, 2021 13:16	Andrey Tsvetkov	GOgo1.17	Success	116,149
Sep 5, 2021 13:14	Andrey Tsvetkov	GOgo1.17	Success	116,372
Sep 5, 2021 13:14	Andrey Tsvetkov	GOgo1.17	Success	116,369
Sep 5, 2021 13:13	Andrey Tsvetkov	GOgo1.17	Success	116,552
Sep 5, 2021 13:12	Andrey Tsvetkov	GOgo1.17	Success	117,557
Sep 5, 2021 12:44	Andrey Tsvetkov	GOgo1.17	Success	81,673+4.26 RP
Sep 5, 2021 12:42	Andrey Tsvetkov	GOgo1.13.15	Success	88,468
Sep 5, 2021 12:42	Sergey Stremin	RUSTrust-1.54.0	Success	24,387
Sep 5, 2021 12:41	Andrey Tsvetkov	GOgo1.14.8	Success	87,941
Sep 5, 2021 12:40	Sergey Stremin	RUSTrust-1.54.0	Success	25,087
Sep 5, 2021 12:40	Andrey Tsvetkov	GOgo1.14.8	Success	130,693
Sep 5, 2021 12:39	Sergey Stremin	RUSTrust-1.54.0	Error
Sep 5, 2021 12:38	Sergey Stremin	RUSTrust-1.54.0	Success	22,976+7.22 RP
Sep 3, 2021 19:52	picul	CPPg++9.3.0	Error
Sep 3, 2021 19:50	picul	CPPg++9.3.0	Error
Sep 3, 2021 19:42	picul	CPPg++9.3.0	Success	251,994+39.68 RP
Sep 3, 2021 19:41	picul	CPPg++9.3.0	Error
Sep 3, 2021 12:29	msifeed	RUSTrust-1.54.0	Error
Sep 3, 2021 05:32	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 3, 2021 05:31	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 3, 2021 05:30	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 3, 2021 05:28	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 3, 2021 05:28	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 3, 2021 05:23	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 3, 2021 05:23	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 3, 2021 05:21	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 3, 2021 05:20	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 3, 2021 05:18	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 3, 2021 05:17	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 3, 2021 05:14	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 3, 2021 05:12	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 3, 2021 05:10	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 3, 2021 05:05	Ilya Aniskovets	CPPg++9.3.0	Success	41,649
Sep 3, 2021 05:03	Ilya Aniskovets	CPPg++9.3.0	Success	47,109
Sep 3, 2021 05:01	Ilya Aniskovets	CPPg++9.3.0	Success	41,352
Sep 3, 2021 04:47	Ilya Aniskovets	CPPg++9.3.0	Success	39,329
Sep 3, 2021 04:46	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 3, 2021 04:42	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 3, 2021 04:40	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 3, 2021 04:39	Ilya Aniskovets	CPPg++9.3.0	Success	41,869
Sep 3, 2021 04:38	Ilya Aniskovets	CPPg++9.3.0	Success	41,532
Sep 3, 2021 04:36	Ilya Aniskovets	CPPg++9.3.0	Success	41,624
Sep 2, 2021 18:35	Andrey Tsvetkov	GOgo1.17	Success	120,596
Sep 2, 2021 18:30	Andrey Tsvetkov	GOgo1.17	Success	120,504
Sep 2, 2021 18:28	Andrey Tsvetkov	GOgo1.17	Success	120,535
Sep 2, 2021 18:27	Andrey Tsvetkov	GOgo1.17	Success	121,379
Sep 2, 2021 18:26	Andrey Tsvetkov	GOgo1.17	Error
Sep 2, 2021 18:25	Andrey Tsvetkov	GOgo1.17	Success	123,114
Sep 2, 2021 18:23	Andrey Tsvetkov	GOgo1.17	Success	123,475
Sep 2, 2021 18:23	Andrey Tsvetkov	GOgo1.17	Error
Sep 2, 2021 15:13	Ilya Aniskovets	CPPg++9.3.0	Success	130,274
Sep 2, 2021 15:09	Ilya Aniskovets	CPPg++9.3.0	Success	43,890
Sep 2, 2021 15:08	Ilya Aniskovets	CPPg++9.3.0	Success	43,981
Sep 2, 2021 15:08	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 14:44	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 14:43	Ilya Aniskovets	CPPg++9.3.0	Success	41,187
Sep 2, 2021 14:42	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 14:41	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 14:39	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 14:39	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 14:35	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 14:21	Ilya Aniskovets	CPPg++9.3.0	Success	39,314+7.36 RP
Sep 2, 2021 14:21	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 14:18	Ilya Aniskovets	CPPg++9.3.0	Success	42,396
Sep 2, 2021 14:17	Ilya Aniskovets	CPPg++9.3.0	Success	42,842
Sep 2, 2021 14:15	Ilya Aniskovets	CPPg++9.3.0	Success	42,504
Sep 2, 2021 14:14	Ilya Aniskovets	CPPg++9.3.0	Success	40,486+6.09 RP
Sep 2, 2021 14:14	Ilya Aniskovets	CPPg++9.3.0	Success	41,558
Sep 2, 2021 14:13	Ilya Aniskovets	CPPg++9.3.0	Success	41,802
Sep 2, 2021 14:12	Ilya Aniskovets	CPPg++9.3.0	Success	41,839

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