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	Score
May 22, 2021 06:19	evgenikwt	CPP	Success	215,111+1.11 RP
May 22, 2021 06:18	evgenikwt	CPP	Error
May 22, 2021 06:14	evgenikwt	CPP	Success	234,938
May 22, 2021 05:32	evgenikwt	CPP	Success	220,368+45.38 RP
May 21, 2021 13:54	Andrei Grazhdankov	RUST	Error
May 21, 2021 13:52	Andrei Grazhdankov	RUST	Error
May 21, 2021 13:31	Andrei Grazhdankov	RUST	Error
May 20, 2021 00:46	Yurkov Aleksey	CPP	Success	50,852
May 20, 2021 00:45	Yurkov Aleksey	CPP	Success	50,060+13.77 RP
May 20, 2021 00:05	alex3d	CPP	Error
May 20, 2021 00:05	alex3d	CPP	Error
May 19, 2021 20:55	Yuriy Lyfenko	CPP	Success	18,052
May 19, 2021 20:55	Yuriy Lyfenko	GO	Success	34,486
May 19, 2021 20:45	Yuriy Lyfenko	CPP	Success	17,937
May 19, 2021 20:43	Yuriy Lyfenko	CPP	Success	18,104
May 19, 2021 20:42	Yuriy Lyfenko	CPP	Success	18,392
May 19, 2021 20:41	Yuriy Lyfenko	CPP	Success	17,993
May 19, 2021 20:40	Yuriy Lyfenko	CPP	Error
May 19, 2021 20:38	Yuriy Lyfenko	CPP	Success	18,320
May 19, 2021 20:24	Yuriy Lyfenko	GO	Success	34,019+8.98 RP
May 19, 2021 20:23	Yuriy Lyfenko	GO	Success	35,091+1.08 RP
May 19, 2021 20:20	Yuriy Lyfenko	GO	Success	37,723
May 19, 2021 20:18	Yuriy Lyfenko	GO	Success	35,815
May 19, 2021 18:57	Yuriy Lyfenko	GO	Success	35,225+16.82 RP
May 19, 2021 18:55	Yurkov Aleksey	CPP	Success	53,963
May 19, 2021 18:50	Yuriy Lyfenko	GO	Success	37,443
May 19, 2021 18:49	Yuriy Lyfenko	GO	Error
May 19, 2021 18:44	Yuriy Lyfenko	CPP	Success	18,028
May 19, 2021 18:42	Yurkov Aleksey	CPP	Success	58,554
May 19, 2021 18:41	Yurkov Aleksey	CPP	Success	58,753
May 19, 2021 18:41	Yuriy Lyfenko	CPP	Success	18,294
May 19, 2021 18:41	Yurkov Aleksey	CPP	Success	53,767+16.53 RP
May 19, 2021 18:40	Yuriy Lyfenko	CPP	Success	18,022
May 19, 2021 18:40	Yuriy Lyfenko	CPP	Success	18,274
May 19, 2021 18:39	Yurkov Aleksey	CPP	Success	59,012+169.46 RP
May 19, 2021 18:33	Yuriy Lyfenko	CPP	Success	18,508
May 19, 2021 18:32	Yuriy Lyfenko	CPP	Success	18,214
May 19, 2021 15:13	Andrei Grazhdankov	RUST	Error
May 19, 2021 15:11	Andrei Grazhdankov	RUST	Error
May 19, 2021 15:09	Andrei Grazhdankov	RUST	Error
May 19, 2021 15:07	Andrei Grazhdankov	RUST	Error
May 19, 2021 15:07	Andrei Grazhdankov	RUST	Error
May 19, 2021 09:47	Andrei Grazhdankov	RUST	Error
May 19, 2021 09:45	Andrei Grazhdankov	RUST	Error
May 19, 2021 09:43	Andrei Grazhdankov	RUST	Error
May 19, 2021 09:42	Andrei Grazhdankov	RUST	Error
May 19, 2021 09:42	Andrei Grazhdankov	RUST	Error
May 19, 2021 08:16	Andrei Grazhdankov	RUST	Error
May 19, 2021 06:49	Sergey Stremin	RUST	Error
May 19, 2021 06:46	Sergey Stremin	RUST	Error
May 19, 2021 06:44	Sergey Stremin	RUST	Error
May 19, 2021 06:43	Sergey Stremin	RUST	Error
May 19, 2021 06:38	Sergey Stremin	RUST	Error
May 19, 2021 06:30	Sergey Stremin	RUST	Error
May 19, 2021 06:26	Sergey Stremin	RUST	Error
May 19, 2021 06:23	Sergey Stremin	RUST	Error
May 19, 2021 06:21	Sergey Stremin	RUST	Error
May 18, 2021 14:51	Sergey Stremin	RUST	Error
May 18, 2021 05:46	Sergey Stremin	RUST	Error
May 18, 2021 05:46	Sergey Stremin	RUST	Error
May 18, 2021 05:45	Sergey Stremin	RUST	Error
May 18, 2021 05:45	Sergey Stremin	RUST	Error
May 18, 2021 05:44	Sergey Stremin	RUST	Error
May 18, 2021 05:43	Sergey Stremin	RUST	Error
May 18, 2021 05:43	Sergey Stremin	RUST	Error
May 18, 2021 05:42	Sergey Stremin	RUST	Error
May 17, 2021 21:08	Yuriy Lyfenko	CPP	Success	17,975
May 17, 2021 21:07	Yuriy Lyfenko	CPP	Success	20,126
May 17, 2021 21:07	Yuriy Lyfenko	CPP	Success	18,373
May 17, 2021 21:06	Yuriy Lyfenko	CPP	Success	18,082
May 17, 2021 21:05	Yuriy Lyfenko	CPP	Success	17,935
May 17, 2021 21:05	Yuriy Lyfenko	CPP	Success	18,319
May 17, 2021 21:02	Yuriy Lyfenko	CPP	Success	17,814
May 17, 2021 21:02	Yuriy Lyfenko	CPP	Success	18,025
May 17, 2021 21:01	Yuriy Lyfenko	CPP	Success	18,301
May 17, 2021 20:58	Yuriy Lyfenko	CPP	Success	18,217
May 17, 2021 20:57	Yuriy Lyfenko	CPP	Success	17,980
May 17, 2021 20:56	Yuriy Lyfenko	CPP	Success	17,697
May 17, 2021 20:55	Yuriy Lyfenko	CPP	Success	18,056
May 17, 2021 20:55	Yuriy Lyfenko	CPP	Success	18,221
May 17, 2021 20:54	Yuriy Lyfenko	CPP	Success	18,084
May 17, 2021 20:53	Yuriy Lyfenko	CPP	Success	18,463
May 17, 2021 20:53	Yuriy Lyfenko	CPP	Success	18,437
May 17, 2021 20:52	Yuriy Lyfenko	CPP	Success	18,352
May 17, 2021 20:52	Yuriy Lyfenko	CPP	Success	18,340
May 17, 2021 16:53	Sergey Stremin	RUST	Error
May 17, 2021 16:48	Sergey Stremin	RUST	Error
May 17, 2021 16:48	Sergey Stremin	RUST	Error
May 17, 2021 16:46	Sergey Stremin	RUST	Error
May 17, 2021 16:45	Sergey Stremin	RUST	Error
May 17, 2021 16:42	Sergey Stremin	RUST	Error
May 16, 2021 18:45	Yuriy Lyfenko	CPP	Success	17,722
May 16, 2021 18:44	Yuriy Lyfenko	CPP	Success	17,946
May 16, 2021 18:43	Yuriy Lyfenko	CPP	Success	17,797
May 16, 2021 18:42	Yuriy Lyfenko	CPP	Success	17,603+10.56 RP
May 16, 2021 18:41	Yuriy Lyfenko	CPP	Success	18,038
May 16, 2021 18:40	Yuriy Lyfenko	CPP	Success	18,120
May 16, 2021 18:39	Yuriy Lyfenko	CPP	Success	18,320
May 16, 2021 12:55	Yuriy Lyfenko	CPP	Success	17,873
May 15, 2021 17:08	Vladislav Yarmak	GO	Error

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