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
Jun 17, 2023 10:20	matsuoka-601	CPPg++9.3.0	Error
Jun 17, 2023 05:41	matsuoka-601	CPPg++9.3.0	Error
Jun 17, 2023 05:29	matsuoka-601	CPPg++9.3.0	Success	14,648
Jun 17, 2023 05:22	matsuoka-601	CPPg++9.3.0	Error
Jun 17, 2023 05:22	matsuoka-601	CPPg++9.3.0	Error
Jun 17, 2023 05:12	matsuoka-601	CPPg++9.3.0	Error
Jun 17, 2023 04:22	matsuoka-601	CPPg++9.3.0	Success	12,183+6.82 RP
Jun 17, 2023 04:14	matsuoka-601	CPPg++9.3.0	Success	12,285+53.78 RP
Jun 17, 2023 04:13	matsuoka-601	CPPg++9.3.0	Error
Jun 16, 2023 22:36	Victor Muñoz	CPPg++9.3.0	Error
Jun 16, 2023 20:22	Victor Muñoz	CPPg++9.3.0	Success	45,429+0.64 RP
Jun 16, 2023 20:21	Victor Muñoz	CPPg++9.3.0	Success	45,579
Jun 16, 2023 20:11	Victor Muñoz	CPPg++9.3.0	Success	45,562+76.35 RP
Jun 16, 2023 19:42	Victor Muñoz	CPPg++9.3.0	Success	134,707
Jun 16, 2023 19:33	Victor Muñoz	CPPg++9.3.0	Success	135,358
Jun 16, 2023 19:20	Victor Muñoz	CPPg++9.3.0	Success	86,514
Jun 16, 2023 19:06	Victor Muñoz	CPPg++9.3.0	Success	69,866+37.20 RP
Jun 16, 2023 18:49	Victor Muñoz	CPPg++9.3.0	Error
Jun 16, 2023 18:45	Victor Muñoz	CPPg++9.3.0	Error
Jun 16, 2023 18:39	Victor Muñoz	CPPg++9.3.0	Error
Jun 16, 2023 18:17	Victor Muñoz	CPPg++9.3.0	Success	94,400+0.09 RP
Jun 16, 2023 18:14	Victor Muñoz	CPPg++9.3.0	Success	94,480+84.22 RP
Jun 16, 2023 18:12	Victor Muñoz	CPPg++9.3.0	Error
Jun 16, 2023 15:42	matsuoka-601	CPPg++9.3.0	Success	13,163
Jun 16, 2023 15:26	matsuoka-601	CPPg++9.3.0	Success	13,249
Jun 16, 2023 15:25	matsuoka-601	CPPg++9.3.0	Error
Jun 16, 2023 15:08	matsuoka-601	CPPg++9.3.0	Error
Jun 16, 2023 15:07	matsuoka-601	CPPg++9.3.0	Error
Jun 16, 2023 15:01	matsuoka-601	CPPg++9.3.0	Success	13,473
Jun 16, 2023 14:58	matsuoka-601	CPPclang++10.0.0	Error
Jun 16, 2023 14:54	matsuoka-601	CPPclang++10.0.0	Success	13,154+7.27 RP
Jun 16, 2023 14:52	matsuoka-601	CPPg++9.3.0	Success	13,281+83.43 RP
Jun 16, 2023 14:49	matsuoka-601	CPPg++9.3.0	Error
Jun 16, 2023 13:54	matsuoka-601	CPPg++9.3.0	Success	16,759
Jun 16, 2023 13:52	matsuoka-601	CPPg++9.3.0	Success	16,512
Jun 16, 2023 13:51	matsuoka-601	CPPg++9.3.0	Error
Jun 16, 2023 03:33	Victor Muñoz	CPPg++9.3.0	Error
Jun 16, 2023 03:20	Victor Muñoz	CPPg++9.3.0	Error
Jun 16, 2023 03:18	Victor Muñoz	CPPg++9.3.0	Error
Jun 16, 2023 02:34	Victor Muñoz	CPPg++9.3.0	Error
Jun 16, 2023 02:32	Victor Muñoz	CPPg++9.3.0	Error
Jun 16, 2023 02:31	Victor Muñoz	CPPg++9.3.0	Error
Jun 16, 2023 02:29	Victor Muñoz	CPPg++9.3.0	Error
Jun 16, 2023 02:27	Victor Muñoz	CPPg++9.3.0	Error
Jun 16, 2023 02:18	Victor Muñoz	CPPg++9.3.0	Error
Jun 16, 2023 02:17	Victor Muñoz	CPPg++9.3.0	Error
Jun 16, 2023 02:14	Victor Muñoz	CPPg++9.3.0	Error
Jun 16, 2023 02:11	Victor Muñoz	CPPg++9.3.0	Error
Jun 16, 2023 02:01	Victor Muñoz	CPPg++9.3.0	Error
Jun 15, 2023 16:37	matsuoka-601	CPPg++9.3.0	Success	14,936+3.21 RP
Jun 15, 2023 16:35	matsuoka-601	CPPg++9.3.0	Success	15,008+3.14 RP
Jun 15, 2023 16:33	matsuoka-601	CPPclang++10.0.0	Success	15,467
Jun 14, 2023 05:45	Victor Muñoz	CPPg++9.3.0	Error
Jun 14, 2023 05:41	Victor Muñoz	CPPg++9.3.0	Error
Jun 14, 2023 05:22	Victor Muñoz	CPPg++9.3.0	Success	512,392
Jun 14, 2023 05:20	Victor Muñoz	CPPg++9.3.0	Success	489,750
Jun 14, 2023 05:17	Victor Muñoz	CPPg++9.3.0	Error
Jun 14, 2023 05:15	Victor Muñoz	CPPg++9.3.0	Error
Jun 14, 2023 05:02	Victor Muñoz	CPPg++9.3.0	Success	462,575+21.62 RP
Jun 14, 2023 03:40	matsuoka-601	CPPg++9.3.0	Success	15,079+66.59 RP
Jun 13, 2023 04:40	matsuoka-601	CPPg++9.3.0	Success	17,509
Jun 13, 2023 03:22	matsuoka-601	CPPg++9.3.0	Error
Jun 12, 2023 14:38	matsuoka-601	CPPg++9.3.0	Error
Jun 12, 2023 14:31	matsuoka-601	CPPg++9.3.0	Error
Jun 12, 2023 14:30	matsuoka-601	CPPg++9.3.0	Error
Jun 12, 2023 13:47	matsuoka-601	CPPclang++10.0.0	Success	18,256
Jun 12, 2023 10:50	matsuoka-601	CPPg++9.3.0	Success	16,762+0.18 RP
Jun 12, 2023 10:50	matsuoka-601	CPPg++9.3.0	Success	16,767+33.28 RP
Jun 12, 2023 08:02	matsuoka-601	CPPg++9.3.0	Error
Jun 12, 2023 07:02	Ewgeniy	CPPg++9.3.0	Success	464,793+21.51 RP
Jun 11, 2023 18:01	matsuoka-601	CPPg++9.3.0	Success	17,758+19.23 RP
Jun 11, 2023 13:56	matsuoka-601	CPPg++9.3.0	Success	18,386+11.72 RP
Jun 11, 2023 13:55	matsuoka-601	CPPclang++10.0.0	Success	18,791+7.98 RP
Jun 11, 2023 13:21	matsuoka-601	CPPg++9.3.0	Success	19,077+1.89 RP
Jun 11, 2023 12:20	matsuoka-601	CPPg++9.3.0	Success	19,149
Jun 11, 2023 12:16	matsuoka-601	CPPg++9.3.0	Error
Jun 11, 2023 08:29	matsuoka-601	CPPg++9.3.0	Error
Jun 11, 2023 08:28	matsuoka-601	CPPg++9.3.0	Error
Jun 10, 2023 00:38	matsuoka-601	CPPg++9.3.0	Success	19,146+7.13 RP
Jun 9, 2023 16:36	matsuoka-601	CPPclang++10.0.0	Success	19,411+137.63 RP
Jun 9, 2023 09:09	Alexander Kosachev	CPPg++9.3.0	Success	465,342+21.49 RP
Jun 9, 2023 05:19	matsuoka-601	CPPclang++10.0.0	Success	28,125
Jun 9, 2023 05:18	matsuoka-601	CPPclang++10.0.0	Error
Jun 8, 2023 05:53	matsuoka-601	CPPclang++10.0.0	Success	28,071
Jun 8, 2023 05:34	matsuoka-601	CPPclang++10.0.0	Error
Jun 8, 2023 04:39	matsuoka-601	CPPclang++10.0.0	Success	28,068
Jun 7, 2023 22:32	matsuoka-601	CPPclang++10.0.0	Success	26,487+3.32 RP
Jun 7, 2023 22:21	matsuoka-601	CPPclang++10.0.0	Success	26,722+47.90 RP
Jun 7, 2023 22:15	matsuoka-601	CPPclang++10.0.0	Success	31,004
Jun 7, 2023 22:08	matsuoka-601	CPPclang++10.0.0	Success	30,644+88.06 RP
Jun 7, 2023 21:54	matsuoka-601	CPPclang++10.0.0	Error
Jun 7, 2023 19:25	Андрей	GOgo1.20.4	Error
Jun 7, 2023 19:03	Андрей	GOgo1.20.4	Error
Jun 7, 2023 18:06	matsuoka-601	CPPclang++10.0.0	Success	45,497
Jun 7, 2023 18:00	matsuoka-601	CPPg++9.3.0	Success	45,700
Jun 7, 2023 17:58	matsuoka-601	CPPclang++10.0.0	Success	45,732
Jun 7, 2023 17:55	matsuoka-601	CPPclang++10.0.0	Error
Jun 7, 2023 13:13	matsuoka-601	CPPclang++10.0.0	Success	42,753
Jun 7, 2023 11:05	matsuoka-601	CPPclang++10.0.0	Success	42,584
Jun 7, 2023 10:32	matsuoka-601	CPPclang++10.0.0	Error

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