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
Jun 12, 2026 18:26	Maya Rebholz	CPPg++10.5.0	Success	20,576+29.19 RP
Jun 12, 2026 18:21	Maya Rebholz	CPPg++10.5.0	Error
Jun 12, 2026 18:20	Maya Rebholz	CPPg++10.5.0	Success	21,924
Jun 12, 2026 18:18	Maya Rebholz	CPPg++10.5.0	Success	21,891+25.64 RP
Jun 12, 2026 18:16	Maya Rebholz	CPPg++10.5.0	Error
Jun 12, 2026 18:11	Maya Rebholz	CPPg++10.5.0	Success	23,227
Jun 12, 2026 18:10	Maya Rebholz	CPPg++10.5.0	Success	23,193+2.15 RP
Jun 12, 2026 18:08	Maya Rebholz	CPPg++10.5.0	Success	23,309+0.13 RP
Jun 12, 2026 18:06	Maya Rebholz	CPPg++10.5.0	Success	23,316+5.68 RP
Jun 12, 2026 18:04	Maya Rebholz	CPPg++10.5.0	Error
Jun 12, 2026 18:02	Maya Rebholz	CPPg++10.5.0	Error
Jun 12, 2026 18:00	Maya Rebholz	CPPg++10.5.0	Error
Jun 12, 2026 17:58	Maya Rebholz	CPPg++10.5.0	Success	23,629+4.17 RP
Jun 12, 2026 17:56	Maya Rebholz	CPPg++10.5.0	Success	23,864+16.56 RP
Jun 12, 2026 07:50	Victor Mercklé	RUSTrust-1.95.0	Success	6,497
Jun 12, 2026 07:39	Victor Mercklé	RUSTrust-1.95.0	Success	6,496+0.47 RP
Jun 12, 2026 07:08	Victor Mercklé	RUSTrust-1.95.0	Success	6,500
Jun 12, 2026 05:42	Victor Mercklé	GOgo1.26.2	Success	6,552
Jun 12, 2026 05:21	Victor Mercklé	GOgo1.26.2	Success	6,529
Jun 12, 2026 04:20	Victor Mercklé	GOgo1.26.2	Success	6,551
Jun 12, 2026 01:36	Maya Rebholz	CPPg++10.5.0	Success	24,846+123.91 RP
Jun 12, 2026 01:32	Maya Rebholz	CPPg++10.5.0	Error
Jun 12, 2026 00:34	Maya Rebholz	CPPg++10.5.0	Success	87,465
Jun 11, 2026 16:54	Maya Rebholz	CPPg++10.5.0	Error
Jun 11, 2026 16:37	Maya Rebholz	CPPg++10.5.0	Success	35,898+1.93 RP
Jun 11, 2026 16:05	Maya Rebholz	CPPg++10.5.0	Success	38,163
Jun 11, 2026 16:00	Maya Rebholz	CPPg++10.5.0	Success	39,003
Jun 11, 2026 15:31	Victor Mercklé	CSHARP10.0.7	Success	6,558
Jun 11, 2026 15:20	Victor Mercklé	CSHARP10.0.7	Success	6,535+1.64 RP
Jun 11, 2026 14:19	Victor Mercklé	CSHARP10.0.7	Success	6,542+304.89 RP
Jun 11, 2026 13:58	Victor Mercklé	CPPg++13.3.0	Success	6,499
Jun 11, 2026 13:47	Victor Mercklé	CPPg++13.3.0	Success	6,499
Jun 11, 2026 13:42	Victor Mercklé	CPPg++13.3.0	Success	6,502
Jun 11, 2026 13:32	Victor Mercklé	CPPg++13.3.0	Success	6,645
Jun 11, 2026 13:23	Victor Mercklé	CPPg++13.3.0	Success	6,528
Jun 11, 2026 13:18	Victor Mercklé	CPPg++13.3.0	Success	6,590
Jun 11, 2026 13:13	Victor Mercklé	CPPg++13.3.0	Success	6,639
Jun 11, 2026 13:08	Victor Mercklé	CPPg++13.3.0	Success	6,498+2.60 RP
Jun 11, 2026 13:00	Victor Mercklé	CPPg++13.3.0	Success	6,525
Jun 11, 2026 12:55	Victor Mercklé	CPPg++13.3.0	Success	6,509+0.24 RP
Jun 11, 2026 12:49	Victor Mercklé	CPPg++13.3.0	Success	7,244
Jun 11, 2026 12:44	Victor Mercklé	CPPg++13.3.0	Success	6,822
Jun 11, 2026 03:03	Maya Rebholz	CPPg++10.5.0	Success	36,149+30.49 RP
Jun 11, 2026 02:59	Maya Rebholz	CPPg++10.5.0	Error
Jun 11, 2026 02:35	Maya Rebholz	CPPg++10.5.0	Error
Jun 11, 2026 02:32	Maya Rebholz	CPPg++10.5.0	Error
Jun 11, 2026 01:02	Maya Rebholz	CPPg++10.5.0	Success	40,627+4.94 RP
Jun 10, 2026 23:47	Maya Rebholz	CPPg++10.5.0	Success	44,995
Jun 10, 2026 04:34	Victor Mercklé	ZIG0.16.0	Success	6,510+327.61 RP
Jun 10, 2026 04:20	Victor Mercklé	ZIG0.16.0	Error
Jun 10, 2026 03:59	Victor Mercklé	ZIG0.16.0	Error
Jun 9, 2026 22:33	Victor Mercklé	CPPg++13.3.0	Success	6,828
Jun 9, 2026 22:28	Victor Mercklé	CPPg++13.3.0	Success	7,010
Jun 9, 2026 22:23	Victor Mercklé	CPPg++13.3.0	Success	6,644
Jun 9, 2026 22:18	Victor Mercklé	CPPg++13.3.0	Success	6,764
Jun 9, 2026 22:13	Victor Mercklé	CPPg++13.3.0	Success	8,039
Jun 9, 2026 22:08	Victor Mercklé	CPPg++13.3.0	Success	6,602
Jun 9, 2026 21:59	Victor Mercklé	CPPg++13.3.0	Success	6,759
Jun 9, 2026 21:54	Victor Mercklé	CPPg++13.3.0	Success	6,625
Jun 9, 2026 21:49	Victor Mercklé	CPPg++13.3.0	Success	9,561
Jun 9, 2026 21:44	Victor Mercklé	CPPg++13.3.0	Success	6,658
Jun 9, 2026 21:35	Victor Mercklé	CPPg++13.3.0	Success	6,750
Jun 9, 2026 21:27	Victor Mercklé	CPPg++13.3.0	Success	6,726
Jun 9, 2026 18:48	Maya Rebholz	CPPg++10.5.0	Success	41,459+2.41 RP
Jun 9, 2026 17:34	Maya Rebholz	CPPg++10.5.0	Success	41,877+3.86 RP
Jun 9, 2026 17:16	Maya Rebholz	CPPg++10.5.0	Success	42,565+177.80 RP
Jun 9, 2026 14:23	Maya Rebholz	CPPg++10.5.0	Error
Jun 9, 2026 13:26	Maya Rebholz	CPPg++10.5.0	Error
Jun 8, 2026 17:35	highloadLLM	CPPclang++18.1.3	Error
Jun 8, 2026 17:31	highloadLLM	CPPclang++19.1.1	Error
Jun 8, 2026 17:25	highloadLLM	CPPclang++18.1.3	Error
Jun 8, 2026 17:22	chereshnya123	CPPg++14.2.0	Success	282,241
Jun 8, 2026 17:20	highloadLLM	CPPclang++18.1.3	Error
Jun 8, 2026 17:11	highloadLLM	CPPclang++20.1.2	Error
Jun 8, 2026 17:09	anboto1	CPPclang++18.1.3	Error
Jun 8, 2026 17:03	chereshnya123	CPPg++14.2.0	Success	282,127
Jun 8, 2026 16:58	anboto1	CPPclang++18.1.3	Success	5,297
Jun 8, 2026 16:53	anboto1	CPPclang++18.1.3	Success	5,297
Jun 8, 2026 16:48	chereshnya123	CPPg++14.2.0	Success	292,766
Jun 8, 2026 16:47	anboto1	CPPclang++18.1.3	Success	5,649
Jun 8, 2026 16:40	highloadLLM	CPPclang++18.1.3	Error
Jun 8, 2026 16:33	chereshnya123	CPPg++14.2.0	Error
Jun 8, 2026 16:31	anboto1	CPPclang++18.1.3	Success	5,302
Jun 8, 2026 16:29	chereshnya123	CPPg++14.2.0	Error
Jun 8, 2026 16:29	anboto1	CPPclang++20.1.2	Success	5,347
Jun 8, 2026 16:24	chereshnya123	CPPg++14.2.0	Error
Jun 8, 2026 16:24	anboto1	CPPclang++18.1.3	Success	5,626
Jun 8, 2026 16:22	highloadLLM	CPPclang++18.1.3	Error
Jun 8, 2026 16:21	anboto1	CPPclang++18.1.3	Error
Jun 8, 2026 16:19	chereshnya123	CPPg++14.2.0	Error
Jun 8, 2026 16:07	anboto1	CPPclang++18.1.3	Error
Jun 8, 2026 16:03	anboto1	CPPg++13.3.0	Error
Jun 8, 2026 15:48	chereshnya123	CPPg++10.5.0	Error
Jun 8, 2026 15:44	anboto1	CPPclang++18.1.3	Success	5,291+63.85 RP
Jun 8, 2026 15:40	anboto1	CPPclang++18.1.3	Error
Jun 8, 2026 15:15	anboto1	CPPclang++18.1.3	Success	5,484
Jun 8, 2026 15:13	highloadLLM	CPPclang++18.1.3	Error
Jun 8, 2026 15:13	anboto1	CPPclang++20.1.2	Success	5,534
Jun 8, 2026 15:01	highloadLLM	CPPclang++18.1.3	Error
Jun 8, 2026 14:59	anboto1	CPPclang++18.1.3	Error

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