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
Feb 13, 2026 11:00	Furorem	RUSTrust-1.93.1	Success	261,049
Feb 13, 2026 10:56	Furorem	RUSTrust-1.93.1	Success	260,820+0.74 RP
Feb 13, 2026 10:48	Furorem	RUSTrust-1.93.1	Success	265,918+37.61 RP
Feb 13, 2026 10:00	Nico	CPPg++13.3.0	Success	34,858+3.46 RP
Feb 13, 2026 09:51	Nico	CPPg++13.3.0	Success	35,284+0.79 RP
Feb 13, 2026 09:48	Nico	CPPg++13.3.0	Success	35,383+0.72 RP
Feb 12, 2026 09:00	olliecrow	CPPg++13.3.0	Success	14,431
Feb 12, 2026 08:26	olliecrow	CPPg++13.3.0	Error
Feb 12, 2026 07:21	olliecrow	CPPg++13.3.0	Success	14,495
Feb 12, 2026 07:09	olliecrow	CPPg++13.3.0	Error
Feb 12, 2026 06:49	olliecrow	CPPg++13.3.0	Error
Feb 12, 2026 06:44	olliecrow	CPPg++13.3.0	Error
Feb 12, 2026 06:39	olliecrow	CPPg++13.3.0	Error
Feb 12, 2026 06:09	olliecrow	CPPg++13.3.0	Error
Feb 12, 2026 06:05	olliecrow	CPPg++13.3.0	Error
Feb 12, 2026 05:59	olliecrow	CPPg++13.3.0	Error
Feb 12, 2026 05:55	olliecrow	CPPg++13.3.0	Error
Feb 12, 2026 05:50	olliecrow	CPPg++13.3.0	Error
Feb 12, 2026 05:45	olliecrow	CPPg++13.3.0	Error
Feb 12, 2026 05:39	olliecrow	CPPg++13.3.0	Error
Feb 12, 2026 05:01	olliecrow	CPPg++13.3.0	Error
Feb 12, 2026 04:07	olliecrow	CPPg++13.3.0	Success	14,420
Feb 12, 2026 04:03	olliecrow	CPPg++13.3.0	Success	14,441
Feb 12, 2026 04:00	olliecrow	CPPg++13.3.0	Success	14,451
Feb 12, 2026 03:46	olliecrow	CPPg++13.3.0	Error
Feb 12, 2026 03:32	olliecrow	CPPg++13.3.0	Success	14,496
Feb 12, 2026 03:21	olliecrow	CPPg++13.3.0	Success	15,714
Feb 12, 2026 03:12	olliecrow	CPPg++13.3.0	Error
Feb 12, 2026 03:02	olliecrow	CPPg++13.3.0	Success	14,436
Feb 12, 2026 02:08	olliecrow	CPPg++13.3.0	Success	14,411+4.97 RP
Feb 12, 2026 01:13	olliecrow	CPPg++13.3.0	Success	14,515+2.93 RP
Feb 12, 2026 01:07	olliecrow	CPPg++13.3.0	Success	14,577+31.43 RP
Feb 12, 2026 00:56	olliecrow	CPPg++13.3.0	Success	15,277+8.50 RP
Feb 12, 2026 00:29	olliecrow	CPPg++13.3.0	Success	15,478+26.84 RP
Feb 12, 2026 00:24	olliecrow	CPPg++13.3.0	Success	16,149+44.85 RP
Feb 12, 2026 00:17	olliecrow	CPPg++13.3.0	Success	17,460
Feb 12, 2026 00:10	olliecrow	CPPg++13.3.0	Success	17,428
Feb 12, 2026 00:01	olliecrow	CPPg++13.3.0	Success	17,481
Feb 11, 2026 23:55	olliecrow	CPPg++13.3.0	Error
Feb 11, 2026 23:52	olliecrow	CPPg++13.3.0	Error
Feb 11, 2026 23:47	olliecrow	CPPg++13.3.0	Success	17,498
Feb 11, 2026 23:36	olliecrow	CPPg++13.3.0	Error
Feb 11, 2026 23:31	olliecrow	CPPg++13.3.0	Success	17,498
Feb 11, 2026 23:23	olliecrow	CPPg++13.3.0	Success	17,481
Feb 11, 2026 23:19	olliecrow	CPPg++13.3.0	Success	17,468
Feb 11, 2026 23:14	olliecrow	CPPg++13.3.0	Success	17,530
Feb 11, 2026 23:08	olliecrow	CPPg++13.3.0	Success	19,694
Feb 11, 2026 22:57	olliecrow	CPPg++13.3.0	Success	19,050
Feb 11, 2026 22:41	olliecrow	CPPg++13.3.0	Success	17,410+4.26 RP
Feb 11, 2026 22:24	olliecrow	CPPg++13.3.0	Success	17,540+1.72 RP
Feb 11, 2026 22:17	olliecrow	CPPg++13.3.0	Error
Feb 11, 2026 22:13	olliecrow	CPPg++13.3.0	Error
Feb 11, 2026 22:03	olliecrow	CPPg++13.3.0	Success	18,496
Feb 11, 2026 21:57	olliecrow	CPPg++13.3.0	Success	21,734
Feb 11, 2026 21:49	Nico	CPPg++13.3.0	Success	35,473+180.49 RP
Feb 11, 2026 21:45	olliecrow	CPPg++13.3.0	Success	17,593+0.19 RP
Feb 11, 2026 21:31	olliecrow	CPPclang++18.1.3	Success	19,794
Feb 11, 2026 21:22	olliecrow	CPPg++13.3.0	Success	19,728
Feb 11, 2026 20:58	olliecrow	CPPg++13.3.0	Success	20,829
Feb 11, 2026 20:53	olliecrow	CPPg++13.3.0	Error
Feb 11, 2026 20:52	olliecrow	CPPg++13.3.0	Error
Feb 11, 2026 20:49	olliecrow	CPPg++13.3.0	Error
Feb 11, 2026 20:47	olliecrow	CPPg++13.3.0	Error
Feb 11, 2026 20:44	olliecrow	CPPg++13.3.0	Success	19,035
Feb 11, 2026 20:42	olliecrow	CPPg++13.3.0	Success	19,668
Feb 11, 2026 20:40	olliecrow	CPPg++13.3.0	Success	20,719
Feb 11, 2026 20:32	olliecrow	CPPg++13.3.0	Success	19,674
Feb 11, 2026 20:30	olliecrow	CPPg++13.3.0	Success	27,450
Feb 11, 2026 20:29	olliecrow	CPPg++13.3.0	Success	20,910
Feb 11, 2026 20:25	olliecrow	CPPg++13.3.0	Error
Feb 11, 2026 20:23	olliecrow	CPPg++13.3.0	Success	18,606
Feb 11, 2026 20:22	Nico	CPPg++13.3.0	Success	112,592
Feb 11, 2026 20:18	Nico	CPPg++13.3.0	Success	112,859
Feb 11, 2026 20:17	olliecrow	CPPg++13.3.0	Success	20,012
Feb 11, 2026 20:11	olliecrow	CPPg++13.3.0	Success	17,970
Feb 11, 2026 20:11	olliecrow	CPPg++13.3.0	Success	18,025
Feb 11, 2026 20:11	olliecrow	CPPg++13.3.0	Success	17,833
Feb 11, 2026 20:11	olliecrow	CPPg++13.3.0	Success	17,680
Feb 11, 2026 20:11	olliecrow	CPPg++13.3.0	Success	30,205
Feb 11, 2026 20:10	olliecrow	CPPg++13.3.0	Success	26,566
Feb 11, 2026 20:10	olliecrow	CPPg++13.3.0	Success	24,814
Feb 11, 2026 19:59	olliecrow	CPPg++13.3.0	Success	17,642
Feb 11, 2026 19:56	olliecrow	CPPg++13.3.0	Success	17,599+7.80 RP
Feb 11, 2026 19:53	olliecrow	CPPg++13.3.0	Success	17,849
Feb 11, 2026 19:49	olliecrow	CPPg++13.3.0	Success	18,061
Feb 11, 2026 19:46	olliecrow	CPPg++13.3.0	Success	17,939
Feb 11, 2026 19:46	olliecrow	CPPg++13.3.0	Success	18,195
Feb 11, 2026 19:46	olliecrow	CPPg++13.3.0	Success	18,070
Feb 11, 2026 19:42	olliecrow	CPPg++13.3.0	Success	17,844+7.65 RP
Feb 11, 2026 19:41	olliecrow	CPPg++13.3.0	Success	18,230
Feb 11, 2026 19:38	olliecrow	CPPg++13.3.0	Success	19,018
Feb 11, 2026 19:38	olliecrow	CPPg++13.3.0	Success	18,091+4.46 RP
Feb 11, 2026 19:38	olliecrow	CPPg++13.3.0	Success	19,249
Feb 11, 2026 19:38	olliecrow	CPPg++13.3.0	Success	18,243
Feb 11, 2026 19:33	olliecrow	CPPg++13.3.0	Success	20,964
Feb 11, 2026 19:23	olliecrow	CPPg++13.3.0	Success	18,238+0.48 RP
Feb 11, 2026 19:23	olliecrow	CPPg++13.3.0	Success	18,254+4.20 RP
Feb 11, 2026 19:20	olliecrow	CPPg++13.3.0	Success	18,403
Feb 11, 2026 19:17	olliecrow	CPPg++13.3.0	Success	27,876
Feb 11, 2026 19:17	olliecrow	CPPg++13.3.0	Success	34,695

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