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
Apr 26, 2021 20:37	Dmitry Dolgopolov	CPP	Error
Apr 26, 2021 20:36	Dmitry Dolgopolov	CPP	Error
Apr 26, 2021 20:35	Dmitry Dolgopolov	CPP	Error
Apr 26, 2021 20:34	Dmitry Dolgopolov	CPP	Error
Apr 26, 2021 20:28	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 20:27	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 20:25	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 20:22	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 20:18	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 19:52	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 19:51	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 19:50	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 19:49	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 19:48	Dmitry Kashtanov	RUST	Error
Apr 26, 2021 19:47	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 19:47	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 19:46	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 19:46	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 19:44	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 19:43	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 19:36	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 19:24	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 19:09	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 19:06	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 19:02	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 18:59	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 18:55	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 18:47	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 18:41	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 18:39	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 18:35	Yurkov Aleksey	RUST	Error
Apr 26, 2021 18:34	Dmitry Dolgopolov	CPP	Error
Apr 26, 2021 18:34	Dmitry Dolgopolov	CPP	Error
Apr 26, 2021 18:33	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 18:33	Yurkov Aleksey	RUST	Error
Apr 26, 2021 18:32	Dmitry Dolgopolov	CPP	Error
Apr 26, 2021 18:31	Dmitry Dolgopolov	CPP	Error
Apr 26, 2021 18:30	Dmitry Dolgopolov	CPP	Error
Apr 26, 2021 18:30	Dmitry Dolgopolov	CPP	Error
Apr 26, 2021 18:29	Dmitry Dolgopolov	CPP	Error
Apr 26, 2021 18:28	Dmitry Dolgopolov	CPP	Error
Apr 26, 2021 18:27	Dmitry Dolgopolov	CPP	Error
Apr 26, 2021 18:26	Dmitry Dolgopolov	CPP	Error
Apr 26, 2021 18:26	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 18:25	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 18:19	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 18:10	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 18:09	Yurkov Aleksey	RUST	Error
Apr 26, 2021 18:08	Yurkov Aleksey	RUST	Error
Apr 26, 2021 18:04	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 18:01	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 17:49	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 17:42	Dmitry Dolgopolov	CPP	Error
Apr 26, 2021 17:41	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 17:35	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 17:31	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 17:13	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 16:42	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 16:40	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 16:37	Andrey Tsvetkov	GO	Error
Apr 26, 2021 16:35	Andrey Tsvetkov	GO	Error
Apr 26, 2021 16:33	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 16:30	Andrey Tsvetkov	GO	Error
Apr 26, 2021 16:28	Andrey Tsvetkov	GO	Error
Apr 26, 2021 16:27	Andrey Tsvetkov	GO	Error
Apr 26, 2021 16:12	Dmitry Kashtanov	RUST	Error
Apr 26, 2021 15:58	Dmitry Kashtanov	RUST	Error
Apr 26, 2021 15:53	Dmitry Kashtanov	RUST	Error
Apr 26, 2021 15:51	Dmitry Kashtanov	RUST	Error
Apr 26, 2021 15:45	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 15:44	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 15:13	Dmitry Kashtanov	RUST	Error
Apr 26, 2021 15:12	Dmitry Kashtanov	RUST	Error
Apr 26, 2021 15:10	Dmitry Kashtanov	RUST	Error
Apr 26, 2021 14:58	Dmitry Kashtanov	RUST	Error
Apr 26, 2021 14:51	Dmitry Kashtanov	RUST	Error
Apr 26, 2021 14:38	Yurkov Aleksey	CPP	Error
Apr 26, 2021 14:37	Yurkov Aleksey	CPP	Error
Apr 26, 2021 14:36	Yurkov Aleksey	CPP	Error
Apr 26, 2021 14:31	Yurkov Aleksey	CPP	Error
Apr 26, 2021 14:29	Yurkov Aleksey	CPP	Error
Apr 26, 2021 14:11	Yurkov Aleksey	CPP	Error
Apr 26, 2021 14:07	Yurkov Aleksey	CPP	Error
Apr 26, 2021 14:06	Yurkov Aleksey	CPP	Error
Apr 26, 2021 14:05	Yurkov Aleksey	CPP	Error
Apr 26, 2021 14:03	Yurkov Aleksey	CPP	Error
Apr 26, 2021 14:02	Yurkov Aleksey	CPP	Error
Apr 26, 2021 14:01	Yurkov Aleksey	CPP	Error
Apr 26, 2021 14:00	Yurkov Aleksey	CPP	Error
Apr 26, 2021 13:58	Yurkov Aleksey	CPP	Error
Apr 26, 2021 13:52	Yurkov Aleksey	CPP	Error
Apr 26, 2021 13:51	Yurkov Aleksey	CPP	Error
Apr 26, 2021 12:53	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 12:49	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 12:47	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 12:39	Yurkov Aleksey	CPP	Error
Apr 26, 2021 12:38	Yurkov Aleksey	CPP	Error
Apr 26, 2021 12:33	Yuriy Lyfenko	CPP	Error
Apr 26, 2021 12:29	Yurkov Aleksey	CPP	Error
Apr 26, 2021 12:27	Yurkov Aleksey	CPP	Error

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