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
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
Sep 2, 2021 14:11	Ilya Aniskovets	CPPg++9.3.0	Success	41,509+1.83 RP
Sep 2, 2021 14:11	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 14:09	Ilya Aniskovets	CPPg++9.3.0	Success	41,826+7.51 RP
Sep 2, 2021 13:30	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 13:26	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 13:21	Ilya Aniskovets	CPPg++9.3.0	Success	45,407
Sep 2, 2021 13:20	Ilya Aniskovets	CPPg++9.3.0	Success	47,401
Sep 2, 2021 13:17	Ilya Aniskovets	CPPg++9.3.0	Success	43,182+15.60 RP
Sep 2, 2021 13:13	Ilya Aniskovets	CPPg++9.3.0	Success	62,301
Sep 2, 2021 13:11	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 13:05	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 13:02	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 13:02	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 13:00	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 12:59	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 12:59	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 12:58	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 12:57	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 12:56	Ilya Aniskovets	CPPg++9.3.0	Success	46,302+3.68 RP
Sep 2, 2021 12:55	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 12:48	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 12:47	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 12:46	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 12:39	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 12:37	Ilya Aniskovets	CPPg++9.3.0	Success	62,362
Sep 2, 2021 12:37	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 12:36	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 12:34	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 12:33	Ilya Aniskovets	CPPg++9.3.0	Success	47,601
Sep 2, 2021 11:28	Ilya Aniskovets	CPPg++9.3.0	Success	47,104+18.58 RP
Sep 2, 2021 11:27	Ilya Aniskovets	CPPg++9.3.0	Success	51,622+79.28 RP
Sep 2, 2021 11:26	Ilya Aniskovets	CPPg++9.3.0	Success	87,387+34.67 RP
Sep 2, 2021 11:26	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 11:24	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 11:23	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 11:21	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 11:19	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 11:17	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 11:16	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 11:13	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 11:10	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 11:10	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 11:08	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 11:07	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 10:30	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 10:30	Andrey Tsvetkov	GOgo1.17	Error
Sep 2, 2021 10:28	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 10:27	Andrey Tsvetkov	GOgo1.17	Error
Sep 2, 2021 10:27	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 10:25	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 10:25	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 10:24	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 10:22	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 10:20	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 10:15	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 10:14	Ilya Aniskovets	CPPg++9.3.0	Error

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