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
Apr 1, 2026 14:14	olliecrow	GOgo1.26.1	Success	32,782
Apr 1, 2026 14:13	olliecrow	GOgo1.26.1	Success	32,878
Apr 1, 2026 14:09	olliecrow	GOgo1.26.1	Success	33,981
Apr 1, 2026 14:08	olliecrow	GOgo1.26.1	Success	33,646
Apr 1, 2026 14:07	olliecrow	GOgo1.26.1	Success	33,088
Apr 1, 2026 14:06	olliecrow	GOgo1.26.1	Success	32,832
Apr 1, 2026 14:06	olliecrow	GOgo1.26.1	Success	32,905
Apr 1, 2026 14:05	olliecrow	GOgo1.26.1	Success	33,868
Apr 1, 2026 14:04	olliecrow	GOgo1.26.1	Success	32,977
Apr 1, 2026 14:03	olliecrow	GOgo1.26.1	Success	32,955
Apr 1, 2026 14:02	olliecrow	GOgo1.26.1	Success	34,264
Apr 1, 2026 14:01	olliecrow	GOgo1.26.1	Success	32,828
Apr 1, 2026 14:00	olliecrow	GOgo1.26.1	Success	33,750
Apr 1, 2026 13:59	olliecrow	GOgo1.26.1	Success	32,490
Apr 1, 2026 13:58	olliecrow	GOgo1.26.1	Success	32,783
Apr 1, 2026 13:58	olliecrow	GOgo1.26.1	Success	32,825
Apr 1, 2026 13:57	olliecrow	GOgo1.26.1	Success	32,957
Apr 1, 2026 13:54	olliecrow	GOgo1.26.1	Success	32,734
Apr 1, 2026 13:51	olliecrow	GOgo1.26.1	Success	33,139
Apr 1, 2026 13:49	olliecrow	GOgo1.26.1	Success	32,541
Apr 1, 2026 13:42	olliecrow	GOgo1.26.1	Success	33,707
Apr 1, 2026 13:31	olliecrow	GOgo1.26.1	Success	33,525
Apr 1, 2026 11:58	olliecrow	GOgo1.26.1	Success	14,054
Apr 1, 2026 11:32	olliecrow	GOgo1.26.1	Success	18,207
Apr 1, 2026 11:23	olliecrow	GOgo1.26.1	Success	18,061
Mar 31, 2026 17:57	skylookup	CPPg++13.3.0	Error
Mar 31, 2026 17:43	skylookup	CPPg++13.3.0	Success	246,157+40.62 RP
Mar 31, 2026 13:51	Dominique Garmier	CPPg++13.3.0	Success	135,938
Mar 31, 2026 13:43	Dominique Garmier	CPPg++13.3.0	Error
Mar 31, 2026 13:41	Dominique Garmier	CPPg++13.3.0	Error
Mar 31, 2026 11:25	Dominique Garmier	GOgo1.26.1	Success	22,994
Mar 31, 2026 11:24	Dominique Garmier	RUSTrust-1.94.1	Success	84,101
Mar 30, 2026 03:03	Dominique Garmier	RUSTrust-1.94.1	Success	21,527
Mar 30, 2026 03:00	Dominique Garmier	RUSTrust-1.94.1	Success	16,739
Mar 30, 2026 01:31	Dominique Garmier	RUSTrust-1.94.1	Success	19,210
Mar 30, 2026 01:29	Dominique Garmier	RUSTrust-1.94.1	Error
Mar 30, 2026 01:00	Dominique Garmier	RUSTrust-1.94.1	Success	17,554
Mar 29, 2026 19:21	Dominique Garmier	RUSTrust-1.94.1	Success	111,195
Mar 29, 2026 17:34	Dominique Garmier	RUSTrust-1.94.1	Success	99,663
Mar 29, 2026 09:04	Dominique Garmier	CPPg++13.3.0	Success	22,201
Mar 29, 2026 08:42	Dominique Garmier	GOgo1.26.1	Success	33,337
Mar 29, 2026 08:34	Dominique Garmier	GOgo1.26.1	Success	39,246
Mar 29, 2026 08:05	Danylo Mocherniuk	CPPg++13.3.0	Success	65,656+131.92 RP
Mar 29, 2026 07:48	Danylo Mocherniuk	CPPg++13.3.0	Success	490,482+20.39 RP
Mar 29, 2026 07:31	Dominique Garmier	CPPclang++18.1.3	Success	20,937
Mar 29, 2026 07:29	Dominique Garmier	CPPclang++18.1.3	Success	21,978
Mar 29, 2026 07:25	Dominique Garmier	CPPclang++18.1.3	Success	21,490
Mar 29, 2026 07:24	Dominique Garmier	CPPclang++18.1.3	Success	21,101
Mar 29, 2026 07:22	Dominique Garmier	CPPclang++18.1.3	Success	26,654
Mar 29, 2026 07:21	Dominique Garmier	CPPclang++18.1.3	Error
Mar 29, 2026 07:19	Dominique Garmier	CPPclang++18.1.3	Error
Mar 29, 2026 07:17	Dominique Garmier	CPPclang++18.1.3	Error
Mar 29, 2026 07:14	Dominique Garmier	CPPclang++18.1.3	Error
Mar 29, 2026 07:10	Dominique Garmier	CPPg++13.3.0	Error
Mar 29, 2026 07:06	Dominique Garmier	CPPg++13.3.0	Error
Mar 29, 2026 06:48	Dominique Garmier	GOgo1.26.1	Success	33,356
Mar 29, 2026 06:34	Dominique Garmier	GOgo1.26.1	Error
Mar 29, 2026 05:57	Dominique Garmier	CPPclang++18.1.3	Success	16,680
Mar 29, 2026 05:36	Dominique Garmier	CPPg++13.3.0	Success	13,883
Mar 29, 2026 05:28	Dominique Garmier	CPPg++13.3.0	Success	15,067
Mar 29, 2026 05:24	Dominique Garmier	CPPg++13.3.0	Success	13,715+26.78 RP
Mar 29, 2026 05:22	Dominique Garmier	CPPg++13.3.0	Success	14,311
Mar 29, 2026 05:20	Dominique Garmier	CPPg++13.3.0	Success	14,238+54.09 RP
Mar 29, 2026 05:19	Dominique Garmier	CPPclang++18.1.3	Success	16,410
Mar 29, 2026 04:50	Dominique Garmier	GOgo1.26.1	Success	22,285
Mar 29, 2026 04:21	Dominique Garmier	GOgo1.26.1	Success	23,724
Mar 29, 2026 03:34	Dominique Garmier	CPPclang++18.1.3	Success	21,950
Mar 29, 2026 03:31	Dominique Garmier	CPPclang++18.1.3	Error
Mar 29, 2026 03:31	Dominique Garmier	CPPclang++18.1.3	Error
Mar 29, 2026 01:58	Dominique Garmier	CPPclang++18.1.3	Success	23,513
Mar 29, 2026 01:54	Dominique Garmier	CPPclang++18.1.3	Success	19,057
Mar 29, 2026 01:51	Dominique Garmier	CPPclang++18.1.3	Error
Mar 29, 2026 01:50	Dominique Garmier	CPPclang++18.1.3	Error
Mar 27, 2026 14:54	olliecrow	CPPg++13.3.0	Success	14,534
Mar 26, 2026 22:25	olliecrow	RUSTrust-1.94.0	Error
Mar 26, 2026 12:19	olliecrow	RUSTrust-1.94.0	Success	13,886
Mar 26, 2026 12:10	olliecrow	RUSTrust-1.94.0	Error
Mar 26, 2026 12:08	olliecrow	RUSTrust-1.94.0	Error
Mar 26, 2026 12:05	olliecrow	RUSTrust-1.94.0	Error
Mar 26, 2026 11:47	olliecrow	CPPg++13.3.0	Success	16,560
Mar 26, 2026 11:45	olliecrow	CPPg++13.3.0	Error
Mar 26, 2026 11:40	olliecrow	CPPg++13.3.0	Success	14,472
Mar 26, 2026 11:32	olliecrow	CPPg++13.3.0	Success	14,385
Mar 26, 2026 11:32	Dominique Garmier	CPPclang++18.1.3	Success	34,575
Mar 26, 2026 11:31	Dominique Garmier	CPPg++13.3.0	Success	26,951
Mar 26, 2026 11:22	olliecrow	CPPg++13.3.0	Success	14,352
Mar 26, 2026 10:57	Dominique Garmier	RUSTrust-1.94.0	Success	21,474
Mar 26, 2026 10:52	Dominique Garmier	ZIG0.13.0	Error
Mar 26, 2026 10:43	Dominique Garmier	ZIG0.13.0	Success	60,623
Mar 26, 2026 10:31	Dominique Garmier	ZIG0.13.0	Success	46,658
Mar 26, 2026 10:28	Dominique Garmier	ZIG0.13.0	Error
Mar 26, 2026 02:22	olliecrow	CPPg++13.3.0	Success	18,188
Mar 25, 2026 22:35	Dominique Garmier	ZIG0.13.0	Success	50,247
Mar 25, 2026 22:29	Dominique Garmier	ZIG0.13.0	Success	64,260
Mar 25, 2026 22:14	Dominique Garmier	ZIG0.13.0	Success	91,559
Mar 25, 2026 21:57	Dominique Garmier	ZIG0.13.0	Success	40,716
Mar 25, 2026 20:56	Dominique Garmier	ZIG0.13.0	Success	127,952
Mar 25, 2026 20:02	Dominique Garmier	ZIG0.13.0	Success	46,085
Mar 25, 2026 12:07	Dominique Garmier	CPPg++13.3.0	Success	15,426+28.02 RP
Mar 25, 2026 12:06	Dominique Garmier	CPPg++13.3.0	Error

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