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
Aug 23, 2022 14:48	eldon-chung	CPPclang++10.0.0	Error
Aug 23, 2022 14:42	eldon-chung	CPPclang++10.0.0	Error
Aug 23, 2022 14:14	eldon-chung	CPPclang++10.0.0	Error
Aug 23, 2022 13:22	eldon-chung	CPPclang++10.0.0	Error
Aug 23, 2022 13:10	eldon-chung	CPPclang++10.0.0	Error
Aug 23, 2022 13:00	eldon-chung	CPPclang++10.0.0	Error
Aug 23, 2022 08:37	eldon-chung	CPPclang++10.0.0	Error
Aug 23, 2022 08:33	eldon-chung	CPPclang++10.0.0	Error
Aug 23, 2022 08:24	eldon-chung	CPPclang++10.0.0	Error
Aug 22, 2022 17:03	Bernard Teo	CPPg++9.3.0	Error
Aug 22, 2022 17:01	Bernard Teo	CPPg++9.3.0	Error
Aug 22, 2022 16:53	Bernard Teo	CPPg++9.3.0	Success	15,803+10.59 RP
Aug 22, 2022 16:51	Bernard Teo	CPPg++9.3.0	Error
Aug 22, 2022 16:43	Bernard Teo	CPPg++9.3.0	Success	16,072+56.97 RP
Aug 22, 2022 16:40	Bernard Teo	CPPg++9.3.0	Error
Aug 22, 2022 16:21	Bernard Teo	CPPg++9.3.0	Success	17,692+1.43 RP
Aug 22, 2022 15:16	Bernard Teo	CPPg++9.3.0	Success	21,333
Aug 22, 2022 11:34	Teh Xue Yong	CPPg++9.3.0	Success	323,611
Aug 22, 2022 11:28	Teh Xue Yong	CPPg++9.3.0	Success	274,634
Aug 22, 2022 10:42	Teh Xue Yong	CPPg++9.3.0	Success	274,362+5.62 RP
Aug 22, 2022 10:29	Teh Xue Yong	CPPg++9.3.0	Error
Aug 22, 2022 10:13	Teh Xue Yong	CPPg++9.3.0	Error
Aug 22, 2022 10:06	Teh Xue Yong	CPPg++9.3.0	Success	324,389+7.81 RP
Aug 22, 2022 06:08	Teh Xue Yong	CPPg++9.3.0	Success	460,768
Aug 22, 2022 06:05	Teh Xue Yong	CPPg++9.3.0	Success	434,401+1.51 RP
Aug 22, 2022 06:04	Teh Xue Yong	CPPg++9.3.0	Success	464,931+21.51 RP
Aug 21, 2022 17:58	Bernard Teo	CPPg++9.3.0	Success	21,313
Aug 21, 2022 17:57	Bernard Teo	CPPg++9.3.0	Error
Aug 21, 2022 17:54	Bernard Teo	CPPg++9.3.0	Error
Aug 21, 2022 17:51	Bernard Teo	CPPg++9.3.0	Success	23,361
Aug 21, 2022 17:46	Bernard Teo	CPPg++9.3.0	Success	20,089
Aug 21, 2022 17:46	Sergey Stremin	RUSTrust-1.63.0	Success	18,468+32.80 RP
Aug 21, 2022 17:46	Bernard Teo	CPPg++9.3.0	Error
Aug 21, 2022 17:38	Bernard Teo	CPPg++9.3.0	Error
Aug 21, 2022 17:36	Bernard Teo	CPPg++9.3.0	Success	23,354
Aug 21, 2022 17:35	Bernard Teo	CPPg++9.3.0	Success	18,174
Aug 21, 2022 17:34	Bernard Teo	CPPg++9.3.0	Success	17,737+2.41 RP
Aug 21, 2022 17:32	Bernard Teo	CPPg++9.3.0	Success	17,813+3.38 RP
Aug 21, 2022 17:29	Bernard Teo	CPPg++9.3.0	Error
Aug 21, 2022 17:28	Bernard Teo	CPPg++9.3.0	Error
Aug 21, 2022 17:25	Bernard Teo	CPPg++9.3.0	Error
Aug 21, 2022 17:25	Bernard Teo	CPPg++9.3.0	Error
Aug 21, 2022 17:22	Bernard Teo	CPPg++9.3.0	Error
Aug 21, 2022 17:21	Bernard Teo	CPPg++9.3.0	Error
Aug 21, 2022 17:17	Bernard Teo	CPPg++9.3.0	Error
Aug 21, 2022 17:13	Bernard Teo	CPPg++9.3.0	Error
Aug 21, 2022 17:06	Bernard Teo	CPPg++9.3.0	Success	23,899
Aug 21, 2022 17:03	Bernard Teo	CPPg++9.3.0	Success	23,958
Aug 21, 2022 17:00	Bernard Teo	CPPg++9.3.0	Success	23,432
Aug 21, 2022 16:56	Sergey Stremin	RUSTrust-1.63.0	Success	19,083
Aug 21, 2022 16:56	Sergey Stremin	RUSTrust-1.56.1	Success	19,045+22.60 RP
Aug 21, 2022 16:51	Bernard Teo	CPPg++9.3.0	Success	23,378
Aug 21, 2022 16:27	Bernard Teo	CPPg++9.3.0	Success	18,175
Aug 21, 2022 16:17	Bernard Teo	CPPg++9.3.0	Success	17,921+10.93 RP
Aug 21, 2022 16:15	Bernard Teo	CPPg++9.3.0	Success	18,279+37.05 RP
Aug 21, 2022 16:14	Bernard Teo	CPPg++9.3.0	Error
Aug 21, 2022 16:12	Bernard Teo	CPPg++9.3.0	Error
Aug 21, 2022 16:09	Bernard Teo	CPPg++9.3.0	Error
Aug 21, 2022 15:51	Bernard Teo	CPPg++9.3.0	Success	19,607+0.78 RP
Aug 21, 2022 15:50	Bernard Teo	CPPg++9.3.0	Success	20,211
Aug 21, 2022 15:46	Bernard Teo	CPPg++9.3.0	Success	19,637+15.34 RP
Aug 21, 2022 15:37	Bernard Teo	CPPg++9.3.0	Success	20,247+70.92 RP
Aug 21, 2022 15:36	Bernard Teo	CPPg++9.3.0	Error
Aug 21, 2022 15:32	Bernard Teo	CPPg++9.3.0	Error
Aug 21, 2022 15:31	Bernard Teo	CPPg++9.3.0	Error
Aug 21, 2022 15:30	Bernard Teo	CPPg++9.3.0	Error
Aug 21, 2022 15:25	Bernard Teo	CPPg++9.3.0	Error
Aug 21, 2022 15:06	Bernard Teo	CPPg++9.3.0	Success	23,642+15.48 RP
Aug 21, 2022 15:06	Bernard Teo	CPPg++9.3.0	Success	24,540+41.92 RP
Aug 21, 2022 15:05	Bernard Teo	CPPg++9.3.0	Success	35,466
Aug 21, 2022 15:04	Bernard Teo	CPPg++9.3.0	Success	31,270
Aug 21, 2022 15:02	Bernard Teo	CPPg++9.3.0	Success	29,356
Aug 21, 2022 15:00	Bernard Teo	CPPg++9.3.0	Success	32,093
Aug 21, 2022 14:51	Bernard Teo	CPPg++9.3.0	Success	27,530
Aug 21, 2022 14:44	Bernard Teo	CPPg++9.3.0	Success	27,354+37.27 RP
Aug 20, 2022 16:55	Bernard Teo	CPPg++9.3.0	Success	30,459+3.47 RP
Aug 20, 2022 16:43	Bernard Teo	CPPg++9.3.0	Success	30,802
Aug 20, 2022 15:51	Bernard Teo	CPPg++9.3.0	Success	30,784+17.44 RP
Aug 20, 2022 15:42	Bernard Teo	CPPg++9.3.0	Error
Aug 20, 2022 14:39	Bernard Teo	CPPg++9.3.0	Error
Aug 20, 2022 14:37	Bernard Teo	CPPg++9.3.0	Error
Aug 20, 2022 13:58	Bernard Teo	CPPg++9.3.0	Success	32,530+26.28 RP
Aug 20, 2022 13:48	Bernard Teo	CPPg++9.3.0	Success	35,571+16.89 RP
Aug 20, 2022 13:35	Bernard Teo	CPPg++9.3.0	Success	37,845+0.38 RP
Aug 20, 2022 13:32	Bernard Teo	CPPg++9.3.0	Success	37,900+158.89 RP
Aug 20, 2022 13:30	Bernard Teo	CPPg++9.3.0	Error
Aug 20, 2022 13:29	Bernard Teo	CPPg++9.3.0	Error
Aug 20, 2022 13:26	Bernard Teo	CPPg++9.3.0	Error
Aug 20, 2022 13:25	Bernard Teo	CPPg++9.3.0	Error
Aug 20, 2022 13:21	Bernard Teo	CPPg++9.3.0	Error
Aug 20, 2022 12:04	Bernard Teo	CPPg++9.3.0	Success	95,269+0.57 RP
Aug 20, 2022 12:03	Bernard Teo	CPPg++9.3.0	Success	95,995
Aug 20, 2022 12:02	Bernard Teo	CPPg++9.3.0	Success	96,148
Aug 20, 2022 08:07	Bernard Teo	CPPg++9.3.0	Success	95,786+13.11 RP
Aug 20, 2022 07:58	Bernard Teo	CPPg++9.3.0	Error
Aug 20, 2022 07:56	Bernard Teo	CPPg++9.3.0	Success	110,122
Aug 20, 2022 07:54	Bernard Teo	CPPg++9.3.0	Success	109,538+10.62 RP
Aug 20, 2022 07:54	Bernard Teo	CPPg++9.3.0	Success	156,085
Aug 20, 2022 07:52	Bernard Teo	CPPg++9.3.0	Success	123,960+1.47 RP
Aug 20, 2022 07:48	Bernard Teo	CPPg++9.3.0	Success	126,257+57.58 RP

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