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
Jan 13, 2026 23:13	Adam Folwarczny	CPPg++13.3.0	Success	172,882
Jan 13, 2026 23:11	Adam Folwarczny	CPPg++13.3.0	Error
Jan 13, 2026 23:08	Adam Folwarczny	CPPg++13.3.0	Success	419,606
Jan 13, 2026 23:06	Adam Folwarczny	CPPg++13.3.0	Success	416,378
Jan 13, 2026 23:04	Adam Folwarczny	CPPg++13.3.0	Error
Jan 13, 2026 23:02	Adam Folwarczny	CPPg++13.3.0	Error
Jan 13, 2026 23:00	Adam Folwarczny	CPPg++13.3.0	Success	16,359
Jan 13, 2026 23:00	Josu San Martin	CPPg++13.3.0	Success	5,171
Jan 13, 2026 22:52	Adam Folwarczny	CPPg++13.3.0	Success	16,415
Jan 13, 2026 22:49	Adam Folwarczny	CPPg++13.3.0	Success	16,342
Jan 13, 2026 22:49	Adam Folwarczny	CPPclang++18.1.3	Success	17,436
Jan 13, 2026 22:47	Adam Folwarczny	CPPclang++18.1.3	Success	17,196
Jan 13, 2026 22:47	Adam Folwarczny	CPPg++13.3.0	Success	16,756
Jan 13, 2026 22:44	Adam Folwarczny	CPPg++13.3.0	Success	16,268+69.86 RP
Jan 13, 2026 22:42	Adam Folwarczny	CPPg++13.3.0	Error
Jan 13, 2026 22:41	Adam Folwarczny	CPPg++13.3.0	Error
Jan 13, 2026 22:40	Adam Folwarczny	CPPg++13.3.0	Error
Jan 13, 2026 22:38	Adam Folwarczny	CPPg++13.3.0	Error
Jan 13, 2026 22:37	Adam Folwarczny	CPPg++13.3.0	Error
Jan 13, 2026 22:31	Adam Folwarczny	CPPg++13.3.0	Success	20,079
Jan 13, 2026 22:27	Adam Folwarczny	CPPg++13.3.0	Success	26,840
Jan 13, 2026 22:25	Adam Folwarczny	CPPg++13.3.0	Success	18,634
Jan 13, 2026 22:22	Adam Folwarczny	CPPg++13.3.0	Error
Jan 13, 2026 21:55	Josu San Martin	GOgo1.25.5	Success	4,445+1'705.59 RP
Jan 13, 2026 21:47	Josu San Martin	CPPg++13.3.0	Success	5,174
Jan 13, 2026 21:11	Josu San Martin	CPPg++13.3.0	Success	4,327
Jan 13, 2026 21:11	Josu San Martin	CPPclang++18.1.3	Success	4,700
Jan 13, 2026 21:10	Josu San Martin	CPPclang++18.1.3	Success	5,148
Jan 13, 2026 21:10	Josu San Martin	CPPclang++18.1.3	Success	5,174
Jan 13, 2026 21:09	Josu San Martin	CPPg++13.3.0	Success	4,327
Jan 12, 2026 23:49	Josu San Martin	CPPg++13.3.0	Success	37,750
Jan 12, 2026 23:49	Josu San Martin	CPPg++13.3.0	Success	4,361
Jan 12, 2026 23:44	Adam Folwarczny	CPPg++13.3.0	Error
Jan 12, 2026 23:42	Adam Folwarczny	CPPg++13.3.0	Success	18,356
Jan 12, 2026 23:41	Adam Folwarczny	CPPg++13.3.0	Success	18,393
Jan 12, 2026 23:37	Adam Folwarczny	CPPg++13.3.0	Success	18,354+40.76 RP
Jan 12, 2026 23:31	Adam Folwarczny	CPPg++13.3.0	Success	21,119
Jan 12, 2026 23:29	Adam Folwarczny	CPPg++13.3.0	Success	22,435
Jan 12, 2026 23:28	Adam Folwarczny	CPPg++13.3.0	Success	21,117
Jan 12, 2026 23:27	Adam Folwarczny	CPPg++13.3.0	Success	20,345
Jan 12, 2026 23:21	Adam Folwarczny	CPPg++13.3.0	Success	19,838+44.04 RP
Jan 12, 2026 23:19	Adam Folwarczny	CPPg++13.3.0	Success	21,737+10.26 RP
Jan 12, 2026 23:18	Adam Folwarczny	CPPg++13.3.0	Success	31,019
Jan 12, 2026 23:15	Adam Folwarczny	CPPg++13.3.0	Success	22,280
Jan 12, 2026 23:14	Adam Folwarczny	CPPg++13.3.0	Error
Jan 12, 2026 23:12	Adam Folwarczny	CPPg++13.3.0	Error
Jan 12, 2026 23:09	Adam Folwarczny	CPPg++13.3.0	Success	22,336
Jan 12, 2026 23:08	Adam Folwarczny	CPPclang++18.1.3	Success	28,831
Jan 12, 2026 23:07	Adam Folwarczny	CPPg++13.3.0	Success	22,233+45.17 RP
Jan 12, 2026 23:03	Adam Folwarczny	CPPg++13.3.0	Success	24,715+63.21 RP
Jan 12, 2026 23:01	Adam Folwarczny	CPPg++13.3.0	Success	29,291+11.81 RP
Jan 12, 2026 22:49	Adam Folwarczny	CPPg++13.3.0	Error
Jan 12, 2026 22:48	Adam Folwarczny	CPPg++13.3.0	Success	31,464
Jan 12, 2026 22:47	Adam Folwarczny	CPPg++13.3.0	Success	30,341+19.24 RP
Jan 12, 2026 22:46	Adam Folwarczny	CPPclang++18.1.3	Success	33,120
Jan 12, 2026 22:44	Adam Folwarczny	CPPclang++18.1.3	Error
Jan 12, 2026 22:36	Adam Folwarczny	CPPclang++18.1.3	Success	32,222+22.07 RP
Jan 12, 2026 22:34	Adam Folwarczny	CPPclang++18.1.3	Success	34,689+113.03 RP
Jan 12, 2026 22:27	Adam Folwarczny	CPPclang++18.1.3	Success	57,064+7.02 RP
Jan 12, 2026 22:25	Adam Folwarczny	CPPclang++18.1.3	Success	90,509
Jan 12, 2026 22:23	Adam Folwarczny	CPPclang++18.1.3	Error
Jan 12, 2026 22:20	Adam Folwarczny	CPPclang++18.1.3	Error
Jan 12, 2026 22:17	Josu San Martin	CPPg++13.3.0	Success	4,528
Jan 12, 2026 22:17	Adam Folwarczny	CPPclang++18.1.3	Error
Jan 12, 2026 22:16	Josu San Martin	CPPg++13.3.0	Success	4,959
Jan 12, 2026 22:14	Josu San Martin	CPPg++13.3.0	Success	6,596
Jan 12, 2026 22:12	Adam Folwarczny	CPPclang++18.1.3	Success	59,444+0.10 RP
Jan 12, 2026 22:11	Adam Folwarczny	CPPg++13.3.0	Success	62,980
Jan 12, 2026 22:09	Adam Folwarczny	CPPclang++18.1.3	Success	59,587
Jan 12, 2026 22:09	Josu San Martin	CPPg++13.3.0	Success	4,354
Jan 12, 2026 22:05	Adam Folwarczny	CPPclang++18.1.3	Success	59,480+0.41 RP
Jan 12, 2026 22:04	Adam Folwarczny	CPPclang++18.1.3	Success	59,624+1.21 RP
Jan 12, 2026 21:54	Adam Folwarczny	CPPclang++18.1.3	Error
Jan 12, 2026 21:51	Adam Folwarczny	CPPclang++18.1.3	Error
Jan 12, 2026 21:47	Adam Folwarczny	CPPclang++18.1.3	Success	60,056+0.89 RP
Jan 12, 2026 21:42	Adam Folwarczny	CPPclang++18.1.3	Success	60,380+10.03 RP
Jan 12, 2026 21:40	Adam Folwarczny	CPPclang++18.1.3	Error
Jan 12, 2026 21:39	Adam Folwarczny	CPPclang++18.1.3	Error
Jan 12, 2026 21:35	Adam Folwarczny	CPPclang++18.1.3	Success	89,857
Jan 12, 2026 21:33	Adam Folwarczny	CPPclang++18.1.3	Success	64,271+0.18 RP
Jan 12, 2026 21:32	Adam Folwarczny	CPPg++13.3.0	Success	76,253
Jan 12, 2026 21:29	Adam Folwarczny	CPPclang++18.1.3	Success	64,346+22.27 RP
Jan 12, 2026 21:28	Adam Folwarczny	CPPg++13.3.0	Success	76,810
Jan 12, 2026 21:19	Adam Folwarczny	CPPg++13.3.0	Error
Jan 12, 2026 21:16	Adam Folwarczny	CPPg++13.3.0	Success	75,110+31.03 RP
Jan 12, 2026 21:13	Adam Folwarczny	CPPg++13.3.0	Success	97,935+21.62 RP
Jan 12, 2026 21:03	Adam Folwarczny	CPPg++13.3.0	Success	124,248+0.37 RP
Jan 12, 2026 20:32	Alexander Krivolapov	RUSTrust-1.92.0	Error
Jan 12, 2026 20:30	Alexander Krivolapov	RUSTrust-1.92.0	Success	283,165
Jan 12, 2026 20:22	Alexander Krivolapov	RUSTrust-1.92.0	Success	266,537+37.52 RP
Jan 12, 2026 14:22	Josu San Martin	CPPg++13.3.0	Error
Jan 12, 2026 14:19	Josu San Martin	CPPg++13.3.0	Success	5,082
Jan 12, 2026 14:18	Josu San Martin	CPPg++13.3.0	Success	5,664
Jan 12, 2026 14:16	Josu San Martin	CPPg++13.3.0	Success	4,838
Jan 12, 2026 10:39	Pavel Skripkin	RUSTrust-1.92.0	Success	99,718
Jan 12, 2026 04:43	Josu San Martin	CPPg++13.3.0	Success	4,531
Jan 12, 2026 04:33	Josu San Martin	CPPg++13.3.0	Success	5,326
Jan 12, 2026 04:31	Josu San Martin	CPPg++13.3.0	Success	5,807
Jan 12, 2026 04:28	Josu San Martin	CPPg++13.3.0	Success	4,328
Jan 12, 2026 04:17	Josu San Martin	CPPg++13.3.0	Success	5,979

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