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 2, 2022 15:01	someone12469	CPPclang++10.0.0	Success	15,300
Aug 2, 2022 15:00	someone12469	CPPg++9.3.0	Success	14,259
Aug 2, 2022 14:51	someone12469	CPPg++9.3.0	Success	15,052
Aug 2, 2022 14:36	someone12469	CPPg++9.3.0	Error
Aug 2, 2022 14:28	someone12469	CPPg++9.3.0	Success	21,957
Aug 2, 2022 13:10	Yuriy Lyfenko	CPPg++9.3.0	Success	518,136
Aug 2, 2022 13:09	Yuriy Lyfenko	CPPg++9.3.0	Success	215,732
Aug 2, 2022 06:53	someone12469	CPPg++9.3.0	Success	13,234
Aug 2, 2022 06:49	someone12469	CPPg++9.3.0	Success	12,551+1.84 RP
Aug 2, 2022 06:48	someone12469	CPPg++9.3.0	Success	13,133
Aug 2, 2022 06:12	someone12469	CPPg++9.3.0	Success	12,580+124.00 RP
Aug 1, 2022 18:05	someone12469	CPPg++9.3.0	Success	14,905+24.59 RP
Aug 1, 2022 17:42	someone12469	CPPg++9.3.0	Success	15,472+33.06 RP
Aug 1, 2022 17:41	someone12469	CPPg++9.3.0	Error
Aug 1, 2022 17:38	someone12469	CPPg++9.3.0	Success	16,306+18.49 RP
Aug 1, 2022 17:36	someone12469	CPPg++9.3.0	Success	16,813+25.30 RP
Aug 1, 2022 17:17	someone12469	CPPg++9.3.0	Success	17,560+42.94 RP
Aug 1, 2022 17:00	someone12469	CPPclang++10.0.0	Success	470,654
Aug 1, 2022 16:55	someone12469	CPPclang++10.0.0	Success	20,334
Aug 1, 2022 16:53	someone12469	CPPclang++10.0.0	Success	21,694
Aug 1, 2022 16:51	someone12469	CPPclang++10.0.0	Success	18,992+63.19 RP
Aug 1, 2022 16:48	someone12469	CPPclang++10.0.0	Error
Aug 1, 2022 16:47	someone12469	CPPclang++10.0.0	Error
Aug 1, 2022 16:42	someone12469	CPPclang++10.0.0	Success	22,622
Aug 1, 2022 16:27	someone12469	CPPg++9.3.0	Success	23,016
Aug 1, 2022 16:23	someone12469	CPPg++9.3.0	Success	22,064
Aug 1, 2022 15:36	someone12469	CPPg++9.3.0	Success	21,847
Aug 1, 2022 15:21	someone12469	CPPg++9.3.0	Success	21,582+142.52 RP
Aug 1, 2022 14:55	someone12469	CPPg++9.3.0	Success	31,169+282.45 RP
Aug 1, 2022 13:28	someone12469	CPPg++9.3.0	Success	267,412
Aug 1, 2022 13:24	someone12469	CPPg++9.3.0	Success	260,567+38.38 RP
Jul 31, 2022 21:38	Yuriy Lyfenko	CPPg++9.3.0	Success	12,008
Jul 31, 2022 21:36	Yuriy Lyfenko	CPPg++9.3.0	Success	40,350
Jul 31, 2022 21:35	Yuriy Lyfenko	CPPg++9.3.0	Error
Jul 31, 2022 21:32	Yuriy Lyfenko	CPPg++9.3.0	Error
Jul 31, 2022 21:30	Yuriy Lyfenko	CPPg++9.3.0	Success	11,351
Jul 31, 2022 21:29	Yuriy Lyfenko	CPPg++9.3.0	Error
Jul 31, 2022 21:27	Yuriy Lyfenko	CPPg++9.3.0	Error
Jul 31, 2022 21:15	Yuriy Lyfenko	CPPg++9.3.0	Success	512,976
Jul 31, 2022 20:54	Yuriy Lyfenko	CPPg++9.3.0	Success	11,707
Jul 31, 2022 20:46	Yuriy Lyfenko	CPPg++9.3.0	Success	11,290
Jul 31, 2022 20:41	Yuriy Lyfenko	CPPg++9.3.0	Success	21,111
Jul 31, 2022 20:40	Yuriy Lyfenko	CPPg++9.3.0	Success	11,291
Jul 31, 2022 20:40	Yuriy Lyfenko	CPPg++9.3.0	Error
Jul 31, 2022 20:38	Yuriy Lyfenko	CPPg++9.3.0	Success	11,291
Jul 31, 2022 20:37	Yuriy Lyfenko	CPPg++9.3.0	Success	11,939
Jul 31, 2022 20:36	Yuriy Lyfenko	CPPg++9.3.0	Success	13,573
Jul 31, 2022 20:31	Yuriy Lyfenko	CPPclang++10.0.0	Success	11,234
Jul 31, 2022 20:30	Yuriy Lyfenko	CPPclang++10.0.0	Success	14,984
Jul 31, 2022 20:29	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jul 31, 2022 20:20	Yuriy Lyfenko	CPPclang++10.0.0	Success	15,570
Jul 31, 2022 20:20	Yuriy Lyfenko	CPPg++9.3.0	Success	16,684
Jul 30, 2022 19:30	Yuriy Lyfenko	CPPg++9.3.0	Success	11,273
Jul 30, 2022 17:46	Yuriy Lyfenko	CPPclang++10.0.0	Success	11,266
Jul 30, 2022 06:11	Robert Burke	CPPg++9.3.0	Success	7,469+21.34 RP
Jul 30, 2022 00:08	Yuriy Lyfenko	CPPg++9.3.0	Success	11,189
Jul 30, 2022 00:05	Yuriy Lyfenko	CPPg++9.3.0	Success	15,901
Jul 29, 2022 23:23	Yuriy Lyfenko	CPPg++9.3.0	Success	17,428
Jul 29, 2022 22:39	Yuriy Lyfenko	CPPg++9.3.0	Success	11,186
Jul 29, 2022 22:38	Yuriy Lyfenko	CPPg++9.3.0	Success	11,286
Jul 29, 2022 22:28	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jul 29, 2022 22:15	Yuriy Lyfenko	CPPclang++10.0.0	Success	11,366
Jul 29, 2022 22:15	Yuriy Lyfenko	CPPclang++10.0.0	Success	11,437
Jul 29, 2022 22:12	Yuriy Lyfenko	CPPg++9.3.0	Success	11,497
Jul 29, 2022 21:20	Yuriy Lyfenko	CPPg++9.3.0	Error
Jul 29, 2022 21:18	Yuriy Lyfenko	CPPg++9.3.0	Error
Jul 29, 2022 21:18	Yuriy Lyfenko	CPPg++9.3.0	Error
Jul 29, 2022 21:12	Yuriy Lyfenko	CPPg++9.3.0	Error
Jul 29, 2022 16:31	Robert Burke	CPPg++9.3.0	Success	7,529+11.24 RP
Jul 29, 2022 16:25	Robert Burke	CPPg++9.3.0	Success	7,561+2.44 RP
Jul 29, 2022 16:25	Robert Burke	CPPg++9.3.0	Success	7,655
Jul 29, 2022 16:24	Robert Burke	CPPg++9.3.0	Success	7,715
Jul 29, 2022 16:07	Yuriy Lyfenko	CPPg++9.3.0	Success	19,923
Jul 29, 2022 16:06	Yuriy Lyfenko	CPPg++9.3.0	Error
Jul 29, 2022 16:05	Yuriy Lyfenko	CPPg++9.3.0	Error
Jul 29, 2022 16:04	Yuriy Lyfenko	CPPg++9.3.0	Success	28,502
Jul 29, 2022 16:02	Yuriy Lyfenko	CPPg++9.3.0	Success	18,865
Jul 29, 2022 16:01	Yuriy Lyfenko	CPPg++9.3.0	Success	23,533
Jul 29, 2022 16:01	Yuriy Lyfenko	CPPg++9.3.0	Success	67,963
Jul 29, 2022 16:00	Yuriy Lyfenko	CPPg++9.3.0	Error
Jul 29, 2022 15:59	Yuriy Lyfenko	CPPg++9.3.0	Success	69,097
Jul 29, 2022 15:57	Yuriy Lyfenko	CPPg++9.3.0	Error
Jul 29, 2022 15:56	Yuriy Lyfenko	CPPg++9.3.0	Success	12,212
Jul 29, 2022 15:54	Yuriy Lyfenko	CPPg++9.3.0	Success	11,428
Jul 29, 2022 15:49	Yuriy Lyfenko	CPPg++9.3.0	Success	11,330
Jul 29, 2022 15:49	Yuriy Lyfenko	CPPg++9.3.0	Success	11,465
Jul 29, 2022 15:47	Yuriy Lyfenko	CPPg++9.3.0	Error
Jul 29, 2022 15:46	Yuriy Lyfenko	CPPg++9.3.0	Error
Jul 29, 2022 15:44	Yuriy Lyfenko	CPPg++9.3.0	Error
Jul 29, 2022 15:41	Yuriy Lyfenko	CPPg++9.3.0	Error
Jul 29, 2022 15:40	Yuriy Lyfenko	CPPg++9.3.0	Error
Jul 29, 2022 15:38	Yuriy Lyfenko	CPPg++9.3.0	Error
Jul 29, 2022 15:37	Yuriy Lyfenko	CPPg++9.3.0	Error
Jul 29, 2022 15:36	Yuriy Lyfenko	CPPg++9.3.0	Error
Jul 29, 2022 15:35	Yuriy Lyfenko	CPPg++9.3.0	Error
Jul 29, 2022 15:33	Yuriy Lyfenko	CPPg++9.3.0	Error
Jul 29, 2022 15:32	Yuriy Lyfenko	CPPg++9.3.0	Error
Jul 29, 2022 07:29	Sergey Stremin	RUSTrust-1.62.0	Success	19,612
Jul 29, 2022 06:50	Robert Burke	CPPg++9.3.0	Error
Jul 29, 2022 06:30	Robert Burke	CPPg++9.3.0	Success	7,568+1.74 RP

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