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
May 9, 2021 12:43	4ippers	GO	Error
May 9, 2021 12:42	4ippers	GO	Error
May 9, 2021 12:42	4ippers	GO	Error
May 9, 2021 12:39	4ippers	GO	Error
May 9, 2021 11:44	Andrey Tsvetkov	GO	Error
May 9, 2021 11:17	Andrey Tsvetkov	GO	Error
May 9, 2021 11:15	Andrey Tsvetkov	GO	Error
May 9, 2021 11:12	Andrey Tsvetkov	GO	Error
May 9, 2021 11:10	Andrey Tsvetkov	GO	Error
May 9, 2021 11:09	Andrey Tsvetkov	GO	Error
May 9, 2021 11:08	Andrey Tsvetkov	GO	Error
May 9, 2021 10:58	Andrey Tsvetkov	GO	Error
May 9, 2021 10:56	Andrey Tsvetkov	GO	Error
May 9, 2021 10:55	Andrey Tsvetkov	GO	Error
May 9, 2021 10:54	Andrey Tsvetkov	GO	Error
May 9, 2021 10:46	Andrey Tsvetkov	GO	Error
May 9, 2021 10:41	Andrey Tsvetkov	GO	Error
May 9, 2021 10:40	Andrey Tsvetkov	GO	Error
May 9, 2021 10:36	Andrey Tsvetkov	GO	Error
May 9, 2021 10:34	Andrey Tsvetkov	GO	Error
May 9, 2021 10:31	Andrey Tsvetkov	GO	Error
May 9, 2021 10:30	Andrey Tsvetkov	GO	Error
May 9, 2021 10:30	Andrey Tsvetkov	GO	Error
May 9, 2021 10:28	Andrey Tsvetkov	GO	Error
May 9, 2021 10:27	Andrey Tsvetkov	GO	Error
May 9, 2021 10:26	Andrey Tsvetkov	GO	Error
May 9, 2021 10:21	Andrey Tsvetkov	GO	Error
May 9, 2021 08:57	Andrey Tsvetkov	GO	Error
May 9, 2021 08:54	Andrey Tsvetkov	GO	Error
May 9, 2021 08:40	Andrey Tsvetkov	GO	Error
May 9, 2021 08:33	Andrey Tsvetkov	GO	Error
May 9, 2021 08:25	Andrey Tsvetkov	GO	Error
May 9, 2021 08:23	Andrey Tsvetkov	GO	Error
May 9, 2021 08:21	Andrey Tsvetkov	GO	Error
May 9, 2021 08:20	Andrey Tsvetkov	GO	Error
May 9, 2021 08:20	Andrey Tsvetkov	GO	Error
May 9, 2021 08:20	Andrey Tsvetkov	GO	Error
May 9, 2021 08:18	Andrey Tsvetkov	GO	Error
May 9, 2021 08:00	Andrey Tsvetkov	GO	Error
May 9, 2021 07:53	Andrey Tsvetkov	GO	Error
May 8, 2021 22:25	Andrey Tsvetkov	GO	Error
May 8, 2021 22:24	Andrey Tsvetkov	GO	Error
May 8, 2021 22:23	Andrey Tsvetkov	GO	Error
May 8, 2021 22:20	Andrey Tsvetkov	GO	Error
May 8, 2021 18:14	Vasily Titskiy	CPP	Error
May 8, 2021 17:04	Vasily Titskiy	CPP	Error
May 8, 2021 16:52	Vasily Titskiy	CPP	Error
May 8, 2021 16:51	Vasily Titskiy	CPP	Error
May 8, 2021 13:43	Andrey Tsvetkov	GO	Error
May 8, 2021 13:42	Andrey Tsvetkov	GO	Error
May 8, 2021 13:41	Andrey Tsvetkov	GO	Error
May 8, 2021 13:40	Andrey Tsvetkov	GO	Error
May 8, 2021 13:38	Andrey Tsvetkov	GO	Error
May 8, 2021 13:23	Andrey Tsvetkov	GO	Error
May 8, 2021 13:22	Andrey Tsvetkov	GO	Error
May 8, 2021 06:05	Vasily Titskiy	CPP	Error
May 8, 2021 04:49	Vasily Titskiy	CPP	Error
May 8, 2021 02:18	Vasily Titskiy	CPP	Error
May 8, 2021 02:14	Vasily Titskiy	CPP	Error
May 8, 2021 00:56	Vasily Titskiy	CPP	Error
May 7, 2021 20:22	Yuriy Lyfenko	GO	Error
May 7, 2021 20:03	Yuriy Lyfenko	GO	Error
May 7, 2021 18:45	Yuriy Lyfenko	CPP	Success	18,009
May 7, 2021 02:53	evgenikwt	CPP	Error
May 6, 2021 18:57	Sergey Stremin	RUST	Error
May 6, 2021 18:45	Sergey Stremin	RUST	Error
May 6, 2021 14:04	Yuriy Lyfenko	CPP	Success	17,974
May 6, 2021 14:03	Yuriy Lyfenko	CPP	Success	17,768+50.00 RP
May 6, 2021 13:59	Yuriy Lyfenko	CPP	Error
May 6, 2021 13:58	Yuriy Lyfenko	CPP	Success	19,293
May 6, 2021 13:58	Yuriy Lyfenko	CPP	Success	19,120
May 6, 2021 13:57	Yuriy Lyfenko	CPP	Success	18,896
May 6, 2021 13:56	Yuriy Lyfenko	CPP	Error
May 6, 2021 13:55	Yuriy Lyfenko	CPP	Success	18,594+10.82 RP
May 6, 2021 13:53	Yuriy Lyfenko	CPP	Success	18,783+6.36 RP
May 6, 2021 05:21	Dmitry Panin	RUST	Error
May 6, 2021 05:13	Dmitry Panin	RUST	Error
May 5, 2021 20:17	Sergey Stremin	RUST	Error
May 5, 2021 16:16	Yuriy Lyfenko	CPP	Error
May 5, 2021 16:15	Yuriy Lyfenko	CPP	Error
May 5, 2021 13:18	Yurkov Aleksey	CPP	Error
May 5, 2021 13:17	Yurkov Aleksey	CPP	Error
May 5, 2021 13:15	Yurkov Aleksey	CPP	Error
May 5, 2021 13:10	Yurkov Aleksey	CPP	Error
May 5, 2021 13:04	Yurkov Aleksey	CPP	Error
May 5, 2021 13:03	Yurkov Aleksey	CPP	Error
May 5, 2021 13:02	Yurkov Aleksey	CPP	Error
May 5, 2021 13:00	Yurkov Aleksey	CPP	Error
May 5, 2021 12:58	Yurkov Aleksey	CPP	Error
May 5, 2021 12:53	Yurkov Aleksey	CPP	Error
May 5, 2021 12:48	Yurkov Aleksey	CPP	Error
May 5, 2021 12:48	Yurkov Aleksey	CPP	Error
May 5, 2021 12:47	Yurkov Aleksey	CPP	Error
May 5, 2021 12:44	Yurkov Aleksey	CPP	Error
May 5, 2021 12:40	Yurkov Aleksey	CPP	Error
May 5, 2021 12:39	Yurkov Aleksey	CPP	Error
May 5, 2021 12:38	Yurkov Aleksey	CPP	Error
May 5, 2021 12:35	Yurkov Aleksey	CPP	Error
May 5, 2021 12:34	Yurkov Aleksey	CPP	Error
May 5, 2021 12:32	Yurkov Aleksey	CPP	Error

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