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
Aug 28, 2022 07:50	Bernard Teo	CPPg++9.3.0	Error
Aug 28, 2022 07:43	Bernard Teo	CPPg++9.3.0	Error
Aug 28, 2022 07:42	Bernard Teo	CPPg++9.3.0	Error
Aug 28, 2022 07:40	Bernard Teo	CPPg++9.3.0	Error
Aug 28, 2022 07:40	Bernard Teo	CPPg++9.3.0	Error
Aug 28, 2022 07:37	Bernard Teo	CPPg++9.3.0	Error
Aug 28, 2022 07:32	Bernard Teo	CPPg++9.3.0	Error
Aug 28, 2022 07:30	Bernard Teo	CPPg++9.3.0	Error
Aug 28, 2022 07:29	Bernard Teo	CPPg++9.3.0	Error
Aug 28, 2022 07:01	Bernard Teo	CPPg++9.3.0	Error
Aug 28, 2022 06:59	Bernard Teo	CPPg++9.3.0	Error
Aug 28, 2022 06:52	Bernard Teo	CPPg++9.3.0	Error
Aug 27, 2022 13:24	Bernard Teo	CPPg++9.3.0	Error
Aug 27, 2022 13:23	Bernard Teo	CPPg++9.3.0	Success	11,311
Aug 27, 2022 13:17	Bernard Teo	CPPg++9.3.0	Success	10,476
Aug 27, 2022 07:20	Bernard Teo	CPPg++9.3.0	Error
Aug 27, 2022 07:10	Bernard Teo	CPPg++9.3.0	Error
Aug 27, 2022 07:04	Bernard Teo	CPPg++9.3.0	Error
Aug 27, 2022 07:02	Bernard Teo	CPPg++9.3.0	Error
Aug 27, 2022 07:00	Bernard Teo	CPPg++9.3.0	Error
Aug 27, 2022 06:59	Bernard Teo	CPPg++9.3.0	Error
Aug 27, 2022 06:56	Bernard Teo	CPPg++9.3.0	Error
Aug 27, 2022 06:51	Bernard Teo	CPPg++9.3.0	Error
Aug 27, 2022 06:49	Bernard Teo	CPPg++9.3.0	Error
Aug 27, 2022 06:46	Bernard Teo	CPPg++9.3.0	Error
Aug 27, 2022 06:45	Bernard Teo	CPPg++9.3.0	Error
Aug 27, 2022 06:44	Bernard Teo	CPPg++9.3.0	Error
Aug 27, 2022 06:43	Bernard Teo	CPPg++9.3.0	Error
Aug 27, 2022 06:41	Bernard Teo	CPPg++9.3.0	Error
Aug 27, 2022 06:38	Bernard Teo	CPPg++9.3.0	Error
Aug 27, 2022 06:36	Bernard Teo	CPPg++9.3.0	Error
Aug 27, 2022 06:34	Bernard Teo	CPPg++9.3.0	Error
Aug 27, 2022 06:33	Bernard Teo	CPPg++9.3.0	Error
Aug 27, 2022 06:31	Bernard Teo	CPPg++9.3.0	Error
Aug 27, 2022 06:29	Bernard Teo	CPPg++9.3.0	Error
Aug 27, 2022 06:26	Bernard Teo	CPPg++9.3.0	Error
Aug 27, 2022 06:25	Bernard Teo	CPPg++9.3.0	Error
Aug 27, 2022 06:22	Bernard Teo	CPPg++9.3.0	Error
Aug 27, 2022 06:20	Bernard Teo	CPPg++9.3.0	Error
Aug 27, 2022 05:25	Bernard Teo	CPPg++9.3.0	Error
Aug 27, 2022 05:22	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 19:54	Yuriy Lyfenko	CPPg++9.3.0	Error
Aug 26, 2022 19:53	Yuriy Lyfenko	CPPg++9.3.0	Success	215,293
Aug 26, 2022 19:32	Yuriy Lyfenko	CPPg++9.3.0	Success	216,698
Aug 26, 2022 19:30	Yuriy Lyfenko	CPPg++9.3.0	Success	216,766
Aug 26, 2022 19:29	Yuriy Lyfenko	CPPg++9.3.0	Error
Aug 26, 2022 19:28	Yuriy Lyfenko	CPPg++9.3.0	Error
Aug 26, 2022 19:07	Yuriy Lyfenko	CPPg++9.3.0	Success	516,802
Aug 26, 2022 17:47	Bernard Teo	CPPg++9.3.0	Success	10,272+3.40 RP
Aug 26, 2022 17:30	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 13:21	Bernard Teo	CPPg++9.3.0	Success	10,558
Aug 26, 2022 13:17	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 13:15	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 13:13	Bernard Teo	CPPg++9.3.0	Success	10,308+36.67 RP
Aug 26, 2022 13:09	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 13:06	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 13:00	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 13:00	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 13:00	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:55	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:54	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:54	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:54	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:54	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:50	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:50	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:50	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:50	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:50	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:50	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:49	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:46	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:46	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:46	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:46	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:46	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:43	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:43	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:42	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:42	Bernard Teo	CPPg++9.3.0	Success	11,969
Aug 26, 2022 12:42	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:42	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:42	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:41	Bernard Teo	CPPg++9.3.0	Success	12,000
Aug 26, 2022 12:40	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:40	Bernard Teo	CPPg++9.3.0	Success	11,957
Aug 26, 2022 12:40	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:38	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:37	Bernard Teo	CPPg++9.3.0	Success	14,289
Aug 26, 2022 12:34	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:32	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:30	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:29	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:27	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:24	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:08	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:04	Bernard Teo	CPPg++9.3.0	Success	11,037
Aug 26, 2022 12:02	Bernard Teo	CPPg++9.3.0	Success	10,899
Aug 26, 2022 12:01	Bernard Teo	CPPg++9.3.0	Error
Aug 26, 2022 12:00	Bernard Teo	CPPg++9.3.0	Error

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