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 8, 2026 04:18	anboto1	CPPclang++18.1.3	Error
Jun 8, 2026 04:16	anboto1	CPPclang++18.1.3	Error
Jun 8, 2026 04:13	anboto1	CPPclang++18.1.3	Error
Jun 8, 2026 04:09	highloadLLM	CPPg++14.2.0	Success	14,673
Jun 8, 2026 04:04	anboto1	CPPclang++20.1.2	Error
Jun 8, 2026 04:01	anboto1	CPPclang++18.1.3	Success	5,557+89.25 RP
Jun 8, 2026 03:59	highloadLLM	CPPg++14.2.0	Success	14,554+17.44 RP
Jun 8, 2026 03:58	anboto1	CPPclang++18.1.3	Error
Jun 8, 2026 03:55	anboto1	CPPclang++18.1.3	Error
Jun 8, 2026 03:51	anboto1	CPPclang++18.1.3	Success	7,543
Jun 8, 2026 03:47	anboto1	CPPclang++18.1.3	Error
Jun 8, 2026 03:41	anboto1	CPPclang++18.1.3	Success	6,060
Jun 8, 2026 03:39	highloadLLM	CPPg++14.2.0	Error
Jun 8, 2026 03:35	anboto1	CPPclang++18.1.3	Success	5,993
Jun 8, 2026 03:31	anboto1	CPPclang++18.1.3	Success	6,051
Jun 8, 2026 03:28	highloadLLM	CPPg++14.2.0	Error
Jun 8, 2026 03:25	anboto1	CPPclang++18.1.3	Success	5,869
Jun 8, 2026 03:18	anboto1	CPPclang++18.1.3	Success	5,853
Jun 8, 2026 03:15	anboto1	CPPclang++18.1.3	Success	5,847+2.92 RP
Jun 8, 2026 03:12	anboto1	CPPclang++18.1.3	Error
Jun 8, 2026 03:09	anboto1	CPPg++14.2.0	Success	6,002
Jun 8, 2026 03:07	anboto1	CPPclang++18.1.3	Success	5,857+8.70 RP
Jun 8, 2026 03:04	anboto1	CPPclang++20.1.2	Success	9,490
Jun 8, 2026 03:00	anboto1	CPPclang++20.1.2	Error
Jun 8, 2026 02:58	highloadLLM	CPPg++14.2.0	Success	16,257
Jun 8, 2026 02:57	anboto1	CPPclang++20.1.2	Success	6,258
Jun 8, 2026 02:54	anboto1	CPPclang++20.1.2	Error
Jun 8, 2026 02:48	anboto1	CPPclang++20.1.2	Success	5,887+31.44 RP
Jun 8, 2026 02:47	highloadLLM	CPPg++14.2.0	Success	14,933+2.50 RP
Jun 8, 2026 02:43	anboto1	CPPclang++20.1.2	Success	6,075
Jun 8, 2026 02:42	highloadLLM	CPPg++14.2.0	Success	14,989+0.58 RP
Jun 8, 2026 02:39	anboto1	CPPclang++20.1.2	Success	6,285
Jun 8, 2026 02:36	anboto1	CPPclang++20.1.2	Success	6,051
Jun 8, 2026 02:33	Victor Mercklé	CPPg++13.3.0	Success	6,592+1.15 RP
Jun 8, 2026 02:33	anboto1	CPPclang++20.1.2	Error
Jun 8, 2026 02:29	anboto1	CPPclang++20.1.2	Success	5,998+638.20 RP
Jun 8, 2026 02:28	Victor Mercklé	CPPg++13.3.0	Success	8,856
Jun 8, 2026 02:25	highloadLLM	CPPg++14.2.0	Success	15,201
Jun 8, 2026 02:24	anboto1	CPPclang++20.1.2	Error
Jun 8, 2026 02:23	Victor Mercklé	CPPg++13.3.0	Success	8,714
Jun 8, 2026 02:18	anboto1	CPPclang++20.1.2	Success	10,117
Jun 8, 2026 02:18	highloadLLM	CPPg++14.2.0	Success	15,002+46.19 RP
Jun 8, 2026 02:18	Victor Mercklé	CPPg++13.3.0	Success	8,891
Jun 8, 2026 02:14	anboto1	CPPclang++20.1.2	Success	19,640
Jun 8, 2026 02:13	Victor Mercklé	CPPg++13.3.0	Success	13,250
Jun 8, 2026 02:07	anboto1	CPPclang++20.1.2	Success	9,773
Jun 8, 2026 02:06	highloadLLM	CPPg++14.2.0	Success	16,119+40.27 RP
Jun 8, 2026 02:04	anboto1	CPPclang++20.1.2	Success	9,909
Jun 8, 2026 02:01	highloadLLM	CPPg++14.2.0	Success	17,238+12.35 RP
Jun 8, 2026 02:00	anboto1	CPPclang++20.1.2	Success	9,828
Jun 8, 2026 01:54	anboto1	CPPclang++20.1.2	Success	9,783
Jun 8, 2026 01:48	anboto1	CPPclang++18.1.3	Success	9,831
Jun 8, 2026 01:46	highloadLLM	CPPg++14.2.0	Success	17,725
Jun 8, 2026 01:44	anboto1	CPPclang++20.1.2	Success	9,898
Jun 8, 2026 01:39	anboto1	CPPclang++20.1.2	Success	10,955
Jun 8, 2026 01:35	anboto1	CPPclang++20.1.2	Success	9,847
Jun 8, 2026 01:29	anboto1	CPPclang++20.1.2	Error
Jun 8, 2026 01:24	anboto1	CPPclang++20.1.2	Success	9,815
Jun 8, 2026 01:21	anboto1	CPPclang++20.1.2	Success	9,718+6.21 RP
Jun 8, 2026 01:17	anboto1	CPPclang++20.1.2	Success	9,817
Jun 8, 2026 01:16	highloadLLM	CPPg++14.2.0	Success	29,245
Jun 8, 2026 01:14	anboto1	CPPclang++20.1.2	Success	9,822
Jun 8, 2026 01:11	anboto1	CPPclang++20.1.2	Success	9,777+6.34 RP
Jun 8, 2026 01:08	anboto1	CPPclang++20.1.2	Success	9,838+79.87 RP
Jun 8, 2026 01:03	anboto1	CPPclang++20.1.2	Success	10,754
Jun 8, 2026 01:00	anboto1	CPPclang++20.1.2	Success	10,708
Jun 8, 2026 00:56	anboto1	CPPclang++20.1.2	Success	10,677+4.02 RP
Jun 8, 2026 00:55	highloadLLM	CPPg++14.2.0	Error
Jun 8, 2026 00:53	anboto1	CPPclang++20.1.2	Error
Jun 8, 2026 00:44	anboto1	CPPclang++20.1.2	Success	30,297
Jun 8, 2026 00:38	anboto1	CPPg++14.2.0	Success	10,770
Jun 8, 2026 00:35	anboto1	CPPclang++18.1.3	Success	10,739
Jun 8, 2026 00:31	anboto1	CPPclang++20.1.2	Success	10,723+3.03 RP
Jun 8, 2026 00:29	highloadLLM	CPPg++14.2.0	Error
Jun 8, 2026 00:28	anboto1	CPPclang++20.1.2	Success	11,122
Jun 8, 2026 00:23	anboto1	CPPg++14.2.0	Success	10,761
Jun 8, 2026 00:20	anboto1	CPPclang++18.1.3	Success	10,760
Jun 8, 2026 00:19	highloadLLM	CPPg++14.2.0	Success	17,630
Jun 8, 2026 00:15	anboto1	CPPclang++20.1.2	Success	10,758+7.37 RP
Jun 8, 2026 00:15	highloadLLM	CPPg++14.2.0	Success	17,613+3.21 RP
Jun 8, 2026 00:12	anboto1	CPPclang++20.1.2	Success	10,861
Jun 8, 2026 00:11	highloadLLM	CPPg++14.2.0	Success	17,910
Jun 8, 2026 00:09	anboto1	CPPclang++20.1.2	Success	10,844+12.33 RP
Jun 8, 2026 00:03	highloadLLM	CPPg++14.2.0	Success	18,863
Jun 7, 2026 23:59	anboto1	CPPclang++20.1.2	Success	11,185
Jun 7, 2026 23:56	anboto1	CPPclang++20.1.2	Error
Jun 7, 2026 23:52	anboto1	CPPclang++20.1.2	Success	11,116
Jun 7, 2026 23:51	highloadLLM	CPPg++14.2.0	Success	19,399
Jun 7, 2026 23:48	anboto1	CPPclang++20.1.2	Success	11,113
Jun 7, 2026 23:46	anboto1	CPPclang++18.1.3	Success	11,090
Jun 7, 2026 23:42	anboto1	CPPclang++20.1.2	Success	11,084
Jun 7, 2026 23:42	highloadLLM	CPPg++14.2.0	Success	24,181
Jun 7, 2026 23:39	anboto1	CPPclang++20.1.2	Success	11,085
Jun 7, 2026 23:35	anboto1	CPPclang++20.1.2	Success	10,991+8.85 RP
Jun 7, 2026 23:35	highloadLLM	CPPg++14.2.0	Success	18,006
Jun 7, 2026 23:32	anboto1	CPPclang++20.1.2	Success	11,103
Jun 7, 2026 23:31	highloadLLM	CPPg++14.2.0	Success	19,058
Jun 7, 2026 23:26	anboto1	CPPclang++20.1.2	Success	11,099+1.38 RP
Jun 7, 2026 23:24	highloadLLM	CPPg++14.2.0	Error
Jun 7, 2026 23:19	anboto1	CPPclang++20.1.2	Success	11,116+9.29 RP

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