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
Jun 17, 2025 22:21	Aniruddha Deb	CPPg++13.3.0	Success	27,359
Jun 17, 2025 22:21	Aniruddha Deb	CPPg++13.3.0	Success	27,643
Jun 17, 2025 22:19	Aniruddha Deb	CPPg++13.3.0	Success	26,886
Jun 17, 2025 22:14	Aniruddha Deb	CPPg++13.3.0	Success	27,632
Jun 17, 2025 22:12	Aniruddha Deb	CPPg++13.3.0	Success	29,055
Jun 17, 2025 22:11	Aniruddha Deb	CPPg++13.3.0	Success	30,694
Jun 17, 2025 22:07	Aniruddha Deb	CPPg++13.3.0	Success	30,559
Jun 17, 2025 22:06	Aniruddha Deb	CPPg++13.3.0	Success	30,601
Jun 17, 2025 22:05	Aniruddha Deb	CPPg++13.3.0	Error
Jun 17, 2025 22:03	Aniruddha Deb	CPPg++13.3.0	Success	33,236
Jun 17, 2025 22:00	Aniruddha Deb	CPPg++13.3.0	Error
Jun 16, 2025 21:08	Aniruddha Deb	CPPg++13.3.0	Success	59,434
Jun 16, 2025 21:05	Aniruddha Deb	CPPg++13.3.0	Error
Jun 16, 2025 21:04	Aniruddha Deb	CPPg++13.3.0	Error
Jun 16, 2025 20:58	Aniruddha Deb	CPPg++13.3.0	Error
Jun 16, 2025 20:56	Aniruddha Deb	CPPg++13.3.0	Error
Jun 16, 2025 20:42	Aniruddha Deb	CPPg++13.3.0	Error
Jun 16, 2025 20:41	Aniruddha Deb	CPPg++13.3.0	Error
Jun 16, 2025 20:37	Aniruddha Deb	CPPg++13.3.0	Error
Jun 16, 2025 20:36	Aniruddha Deb	CPPg++13.3.0	Error
Jun 16, 2025 20:35	Aniruddha Deb	CPPg++13.3.0	Error
Jun 16, 2025 20:33	Aniruddha Deb	CPPg++13.3.0	Error
Jun 11, 2025 09:54	tumdum	RUSTrust-1.87.0	Success	69,055
Jun 11, 2025 09:53	tumdum	RUSTrust-1.87.0	Success	73,019
Jun 11, 2025 09:51	tumdum	RUSTrust-1.87.0	Success	72,726
Jun 11, 2025 09:49	tumdum	RUSTrust-1.87.0	Success	73,643
Jun 11, 2025 09:47	tumdum	RUSTrust-1.87.0	Success	72,281
Jun 10, 2025 18:44	tumdum	RUSTrust-1.87.0	Success	68,476+146.04 RP
Jun 7, 2025 17:10	Aniruddha Deb	CPPg++13.3.0	Success	96,709
Jun 7, 2025 17:09	Aniruddha Deb	CPPg++13.3.0	Error
Jun 7, 2025 16:28	Aniruddha Deb	CPPg++13.3.0	Success	24,978
Jun 5, 2025 18:42	Andrew Ashworth	CPPclang++18.1.3	Success	493,615+20.26 RP
May 29, 2025 05:19	NoSIMD_C#	CSHARP9.0.5	Success	88,557
May 25, 2025 00:51	Emanuele Bolognesi	CPPg++13.3.0	Success	45,799
May 25, 2025 00:46	Emanuele Bolognesi	CPPg++13.3.0	Success	134,479
May 25, 2025 00:42	Emanuele Bolognesi	CPPclang++18.1.3	Success	475,269
May 24, 2025 16:22	Emanuele Bolognesi	RUSTrust-1.86.0	Success	87,403
May 24, 2025 16:07	Emanuele Bolognesi	RUSTrust-1.86.0	Success	46,020
May 24, 2025 15:49	Emanuele Bolognesi	RUSTrust-1.86.0	Success	46,520
May 24, 2025 15:42	Emanuele Bolognesi	RUSTrust-1.86.0	Success	45,400+10.71 RP
May 24, 2025 15:40	Emanuele Bolognesi	RUSTrust-1.86.0	Success	47,720+34.69 RP
May 24, 2025 15:38	Emanuele Bolognesi	RUSTrust-1.86.0	Error
May 24, 2025 15:09	Emanuele Bolognesi	RUSTrust-1.86.0	Success	57,187+58.55 RP
May 24, 2025 15:07	Emanuele Bolognesi	RUSTrust-1.86.0	Success	85,975+14.32 RP
May 24, 2025 14:33	Emanuele Bolognesi	RUSTrust-1.86.0	Error
May 24, 2025 12:16	Emanuele Bolognesi	RUSTrust-1.86.0	Error
May 24, 2025 11:22	Emanuele Bolognesi	RUSTrust-1.86.0	Success	99,942
May 24, 2025 11:13	Emanuele Bolognesi	CPPclang++18.1.3	Error
May 24, 2025 11:10	Emanuele Bolognesi	CPPclang++18.1.3	Error
May 24, 2025 01:45	Keefe	CPPg++13.3.0	Error
May 24, 2025 01:43	Keefe	CPPg++13.3.0	Success	28,623
May 24, 2025 01:40	Keefe	CPPg++13.3.0	Error
May 14, 2025 08:37	Emanuele Bolognesi	RUSTrust-1.86.0	Success	99,463
May 14, 2025 08:36	Emanuele Bolognesi	RUSTrust-1.86.0	Success	99,239
May 11, 2025 23:42	Christopher Tarry	CPPg++13.3.0	Success	492,232+20.32 RP
May 10, 2025 19:02	n	RUSTrust-1.86.0	Error
May 10, 2025 16:43	Keefe	CPPg++13.3.0	Error
May 10, 2025 16:39	Keefe	CPPg++13.3.0	Error
May 10, 2025 16:27	Keefe	CPPg++13.3.0	Success	22,808
May 10, 2025 16:26	Keefe	CPPg++13.3.0	Error
May 10, 2025 14:33	Keefe	CPPg++13.3.0	Error
May 10, 2025 14:28	Keefe	CPPg++13.3.0	Success	21,380+216.73 RP
May 10, 2025 13:54	Emanuele Bolognesi	RUSTrust-1.86.0	Success	100,292
May 10, 2025 08:43	Emanuele Bolognesi	RUSTrust-1.86.0	Success	98,046+57.65 RP
May 10, 2025 08:30	Emanuele Bolognesi	RUSTrust-1.86.0	Success	225,510+44.34 RP
May 10, 2025 05:46	n	RUSTrust-1.86.0	Error
May 10, 2025 05:42	n	RUSTrust-1.86.0	Error
May 10, 2025 05:40	n	RUSTrust-1.86.0	Success	211,157
May 10, 2025 05:38	n	RUSTrust-1.86.0	Error
May 10, 2025 05:35	n	RUSTrust-1.86.0	Error
May 10, 2025 05:28	n	RUSTrust-1.86.0	Error
May 10, 2025 05:26	n	RUSTrust-1.86.0	Error
May 10, 2025 05:08	n	RUSTrust-1.86.0	Error
May 10, 2025 05:05	n	RUSTrust-1.86.0	Error
May 10, 2025 03:23	n	RUSTrust-1.86.0	Success	210,733+4.65 RP
May 10, 2025 03:18	n	RUSTrust-1.86.0	Success	233,624+22.50 RP
May 10, 2025 03:06	n	RUSTrust-1.86.0	Error
May 10, 2025 03:03	n	RUSTrust-1.86.0	Error
May 9, 2025 23:42	n	CPPg++13.3.0	Success	492,547+20.30 RP
Apr 30, 2025 06:07	Keefe	CPPg++13.3.0	Success	65,435
Apr 27, 2025 12:49	Dmitry Yudakov	CSHARP10.0.0-preview.1	Success	106,579
Apr 27, 2025 12:37	Dmitry Yudakov	CSHARP10.0.0-preview.1	Success	105,183
Apr 27, 2025 12:30	Dmitry Yudakov	CSHARP10.0.0-preview.1	Success	104,370+0.19 RP
Apr 27, 2025 12:26	Dmitry Yudakov	CSHARP10.0.0-preview.1	Success	107,783
Apr 26, 2025 16:41	Dmitry Yudakov	CSHARP10.0.0-preview.1	Success	107,375
Apr 26, 2025 16:38	Dmitry Yudakov	CSHARP10.0.0-preview.1	Error
Apr 26, 2025 16:30	Dmitry Yudakov	CSHARP10.0.0-preview.1	Success	104,576+4.39 RP
Apr 26, 2025 16:25	Dmitry Yudakov	CSHARP10.0.0-preview.1	Error
Apr 26, 2025 16:22	Dmitry Yudakov	CSHARP10.0.0-preview.1	Error
Apr 26, 2025 16:11	Dmitry Yudakov	CSHARP10.0.0-preview.1	Success	115,322
Apr 26, 2025 14:12	Dmitry Yudakov	CSHARP10.0.0-preview.1	Success	115,047
Apr 26, 2025 14:08	Dmitry Yudakov	CSHARP10.0.0-preview.1	Success	109,753
Apr 26, 2025 14:06	Dmitry Yudakov	CSHARP10.0.0-preview.1	Success	113,660
Apr 26, 2025 08:04	Dmitry Yudakov	CSHARP10.0.0-preview.1	Success	109,613+35.38 RP
Apr 24, 2025 22:31	Dmitry Yudakov	CSHARP10.0.0-preview.1	Error
Apr 24, 2025 22:29	Dmitry Yudakov	CSHARP10.0.0-preview.1	Error
Apr 24, 2025 22:24	Dmitry Yudakov	CSHARP10.0.0-preview.1	Error
Apr 24, 2025 22:21	Dmitry Yudakov	CSHARP10.0.0-preview.1	Success	179,601
Apr 24, 2025 22:18	Dmitry Yudakov	CSHARP10.0.0-preview.1	Success	180,358
Apr 24, 2025 22:08	Dmitry Yudakov	CSHARP10.0.0-preview.1	Success	183,265

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