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 29, 2021 17:56	alex3d	CPP	Error
Apr 29, 2021 17:51	Yuriy Lyfenko	CPP	Error
Apr 29, 2021 17:48	Yuriy Lyfenko	CPP	Error
Apr 29, 2021 17:46	Yuriy Lyfenko	CPP	Error
Apr 29, 2021 17:45	Yuriy Lyfenko	CPP	Error
Apr 29, 2021 17:43	Yuriy Lyfenko	CPP	Error
Apr 29, 2021 17:31	Yuriy Lyfenko	CPP	Error
Apr 29, 2021 17:30	Yuriy Lyfenko	CPP	Error
Apr 29, 2021 17:30	Yuriy Lyfenko	CPP	Error
Apr 29, 2021 17:26	Yuriy Lyfenko	CPP	Error
Apr 29, 2021 17:25	Yuriy Lyfenko	CPP	Error
Apr 29, 2021 17:12	Yuriy Lyfenko	CPP	Error
Apr 29, 2021 17:09	Yuriy Lyfenko	CPP	Error
Apr 29, 2021 17:09	Yuriy Lyfenko	CPP	Error
Apr 29, 2021 17:08	Yuriy Lyfenko	CPP	Error
Apr 29, 2021 17:07	Yuriy Lyfenko	CPP	Error
Apr 29, 2021 17:07	Yuriy Lyfenko	CPP	Error
Apr 29, 2021 16:58	Yuriy Lyfenko	CPP	Error
Apr 29, 2021 16:57	Yuriy Lyfenko	CPP	Error
Apr 29, 2021 16:42	Yurkov Aleksey	CPP	Error
Apr 29, 2021 16:35	Yurkov Aleksey	CPP	Error
Apr 29, 2021 16:34	Yurkov Aleksey	CPP	Error
Apr 29, 2021 16:33	Yurkov Aleksey	CPP	Error
Apr 29, 2021 16:28	Yurkov Aleksey	CPP	Error
Apr 29, 2021 16:26	Yurkov Aleksey	CPP	Error
Apr 29, 2021 15:59	Andrey Tsvetkov	GO	Error
Apr 29, 2021 15:57	Andrey Tsvetkov	GO	Error
Apr 29, 2021 15:57	Andrey Tsvetkov	GO	Error
Apr 29, 2021 15:16	Andrei Grazhdankov	RUST	Error
Apr 29, 2021 15:13	Andrei Grazhdankov	RUST	Error
Apr 29, 2021 15:11	Andrei Grazhdankov	RUST	Error
Apr 29, 2021 15:08	Yuriy Lyfenko	CPP	Error
Apr 29, 2021 15:02	Andrei Grazhdankov	RUST	Error
Apr 29, 2021 14:59	Andrei Grazhdankov	RUST	Error
Apr 29, 2021 14:55	Andrei Grazhdankov	RUST	Error
Apr 29, 2021 14:44	Yuriy Lyfenko	CPP	Error
Apr 29, 2021 14:43	Yuriy Lyfenko	CPP	Error
Apr 29, 2021 14:42	Yuriy Lyfenko	CPP	Error
Apr 29, 2021 14:24	Andrei Grazhdankov	RUST	Error
Apr 29, 2021 14:22	Andrei Grazhdankov	RUST	Error
Apr 29, 2021 14:19	Yuriy Lyfenko	CPP	Error
Apr 29, 2021 14:19	Yuriy Lyfenko	CPP	Error
Apr 29, 2021 14:18	Yuriy Lyfenko	CPP	Error
Apr 29, 2021 14:18	Yuriy Lyfenko	CPP	Error
Apr 29, 2021 14:17	Yuriy Lyfenko	CPP	Error
Apr 29, 2021 14:17	Andrei Grazhdankov	RUST	Error
Apr 29, 2021 14:16	Yuriy Lyfenko	CPP	Error
Apr 29, 2021 14:14	Yuriy Lyfenko	CPP	Error
Apr 29, 2021 14:11	Andrei Grazhdankov	GO	Error
Apr 29, 2021 14:11	Yuriy Lyfenko	CPP	Error
Apr 29, 2021 14:07	Yuriy Lyfenko	CPP	Error
Apr 29, 2021 14:05	Yuriy Lyfenko	CPP	Error
Apr 29, 2021 11:41	alex3d	CPP	Error
Apr 29, 2021 11:41	alex3d	CPP	Error
Apr 29, 2021 11:40	alex3d	CPP	Error
Apr 29, 2021 11:39	alex3d	CPP	Error
Apr 29, 2021 11:30	alex3d	CPP	Error
Apr 29, 2021 11:18	alex3d	CPP	Error
Apr 29, 2021 11:16	alex3d	CPP	Error
Apr 29, 2021 11:14	alex3d	CPP	Error
Apr 29, 2021 11:11	alex3d	CPP	Error
Apr 29, 2021 11:09	alex3d	CPP	Error
Apr 29, 2021 11:08	alex3d	CPP	Error
Apr 29, 2021 09:49	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:47	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:46	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:45	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:44	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:43	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:42	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:40	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:40	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:39	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:39	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:38	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:37	Yurkov Aleksey	CPP	Error
Apr 28, 2021 23:01	Yurkov Aleksey	CPP	Error
Apr 28, 2021 22:37	Yurkov Aleksey	CPP	Error
Apr 28, 2021 22:32	Yurkov Aleksey	CPP	Error
Apr 28, 2021 22:31	Yurkov Aleksey	CPP	Error
Apr 28, 2021 22:29	Yurkov Aleksey	CPP	Error
Apr 28, 2021 22:28	Yurkov Aleksey	CPP	Error
Apr 28, 2021 22:26	Yurkov Aleksey	CPP	Error
Apr 28, 2021 22:24	Yurkov Aleksey	CPP	Error
Apr 28, 2021 22:22	Yurkov Aleksey	CPP	Error
Apr 28, 2021 22:21	Yurkov Aleksey	CPP	Error
Apr 28, 2021 22:19	Yurkov Aleksey	CPP	Error
Apr 28, 2021 22:16	Yurkov Aleksey	CPP	Error
Apr 28, 2021 22:14	Yurkov Aleksey	CPP	Error
Apr 28, 2021 22:12	Yurkov Aleksey	CPP	Error
Apr 28, 2021 22:12	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:14	Yuriy Lyfenko	CPP	Error
Apr 28, 2021 20:02	alex3d	CPP	Error
Apr 28, 2021 20:01	alex3d	CPP	Error
Apr 28, 2021 19:58	alex3d	CPP	Error
Apr 28, 2021 19:56	alex3d	CPP	Error
Apr 28, 2021 19:54	alex3d	CPP	Error
Apr 28, 2021 19:52	alex3d	CPP	Error
Apr 28, 2021 19:51	alex3d	CPP	Error
Apr 28, 2021 19:48	alex3d	CPP	Error

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