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 22, 2025 04:26	Ian Mckibben	CPPg++13.3.0	Error
Jun 22, 2025 04:24	Ian Mckibben	CPPg++13.3.0	Error
Jun 22, 2025 04:23	Ian Mckibben	CPPg++13.3.0	Error
Jun 22, 2025 04:22	Ian Mckibben	CPPg++13.3.0	Error
Jun 22, 2025 04:21	Ian Mckibben	CPPg++13.3.0	Error
Jun 22, 2025 04:19	Ian Mckibben	CPPg++13.3.0	Error
Jun 22, 2025 04:18	Ian Mckibben	CPPg++13.3.0	Error
Jun 21, 2025 23:17	Ian Mckibben	CPPg++13.3.0	Error
Jun 21, 2025 23:17	Ian Mckibben	CPPg++13.3.0	Error
Jun 21, 2025 23:15	Ian Mckibben	CPPg++13.3.0	Error
Jun 21, 2025 23:14	Ian Mckibben	CPPg++13.3.0	Error
Jun 21, 2025 23:13	Ian Mckibben	CPPg++13.3.0	Error
Jun 21, 2025 22:56	Ian Mckibben	CPPg++13.3.0	Error
Jun 21, 2025 22:51	Ian Mckibben	CPPg++13.3.0	Error
Jun 21, 2025 22:33	Ian Mckibben	CPPg++13.3.0	Error
Jun 21, 2025 22:32	Ian Mckibben	CPPg++13.3.0	Error
Jun 21, 2025 22:31	Ian Mckibben	CPPg++13.3.0	Error
Jun 21, 2025 22:25	Ian Mckibben	CPPg++13.3.0	Error
Jun 21, 2025 22:25	Ian Mckibben	CPPg++13.3.0	Error
Jun 21, 2025 22:10	Ian Mckibben	CPPg++13.3.0	Error
Jun 21, 2025 22:07	Ian Mckibben	CPPg++13.3.0	Error
Jun 21, 2025 22:05	Ian Mckibben	CPPg++13.3.0	Error
Jun 21, 2025 22:04	Ian Mckibben	CPPg++13.3.0	Error
Jun 21, 2025 22:03	Ian Mckibben	CPPg++13.3.0	Error
Jun 21, 2025 22:00	Ian Mckibben	CPPg++13.3.0	Error
Jun 21, 2025 21:58	Ian Mckibben	CPPg++13.3.0	Error
Jun 21, 2025 20:51	Aniruddha Deb	CPPg++13.3.0	Error
Jun 21, 2025 20:36	Ian Mckibben	CPPg++13.3.0	Error
Jun 21, 2025 18:01	Ian Mckibben	CPPg++13.3.0	Success	113,263
Jun 21, 2025 17:59	Ian Mckibben	CPPg++13.3.0	Error
Jun 21, 2025 17:57	Ian Mckibben	CPPg++13.3.0	Success	243,128
Jun 21, 2025 17:52	Ian Mckibben	CPPg++13.3.0	Error
Jun 21, 2025 17:42	Ian Mckibben	CPPg++13.3.0	Success	266,826
Jun 21, 2025 17:36	Ian Mckibben	CPPg++13.3.0	Success	267,431
Jun 21, 2025 17:29	Ian Mckibben	CPPg++13.3.0	Success	425,559
Jun 21, 2025 17:28	Ian Mckibben	CPPg++13.3.0	Error
Jun 21, 2025 17:26	Ian Mckibben	CPPg++13.3.0	Error
Jun 21, 2025 17:24	Ian Mckibben	CPPg++13.3.0	Success	426,492
Jun 21, 2025 17:22	Ian Mckibben	CPPg++13.3.0	Error
Jun 21, 2025 17:13	Ian Mckibben	CPPg++13.3.0	Error
Jun 21, 2025 17:11	Ian Mckibben	CPPg++13.3.0	Error
Jun 21, 2025 17:09	Ian Mckibben	CPPg++13.3.0	Success	444,826
Jun 21, 2025 17:07	Ian Mckibben	CPPg++13.3.0	Error
Jun 21, 2025 17:03	Ian Mckibben	CPPg++13.3.0	Success	442,659
Jun 21, 2025 17:00	Ian Mckibben	CPPg++13.3.0	Success	452,481
Jun 21, 2025 16:56	Ian Mckibben	CPPg++13.3.0	Success	490,350
Jun 21, 2025 16:56	Ian Mckibben	CPPg++13.3.0	Success	494,868
Jun 21, 2025 16:56	Ian Mckibben	CPPg++13.3.0	Success	490,044
Jun 19, 2025 21:34	Aniruddha Deb	CPPg++13.3.0	Error
Jun 19, 2025 21:33	Aniruddha Deb	CPPg++13.3.0	Error
Jun 19, 2025 21:29	Aniruddha Deb	CPPg++13.3.0	Error
Jun 19, 2025 21:28	Aniruddha Deb	CPPg++13.3.0	Error
Jun 19, 2025 21:27	Aniruddha Deb	CPPg++13.3.0	Error
Jun 19, 2025 21:27	Aniruddha Deb	CPPg++13.3.0	Error
Jun 19, 2025 21:26	Aniruddha Deb	CPPg++13.3.0	Error
Jun 19, 2025 21:26	Aniruddha Deb	CPPg++13.3.0	Error
Jun 19, 2025 21:18	Aniruddha Deb	CPPg++13.3.0	Error
Jun 19, 2025 21:18	Aniruddha Deb	CPPg++13.3.0	Error
Jun 19, 2025 20:56	Aniruddha Deb	CPPg++13.3.0	Error
Jun 19, 2025 20:55	Aniruddha Deb	CPPg++13.3.0	Error
Jun 19, 2025 18:32	Aniruddha Deb	CPPg++13.3.0	Error
Jun 19, 2025 18:28	Aniruddha Deb	CPPg++13.3.0	Error
Jun 19, 2025 17:29	Aniruddha Deb	CPPg++13.3.0	Error
Jun 19, 2025 10:26	Sherzod	GOgo1.24.4	Success	297,048
Jun 19, 2025 10:21	Sherzod	GOgo1.24.4	Error
Jun 19, 2025 10:13	Sherzod	GOgo1.24.4	Success	183,341
Jun 19, 2025 10:12	Sherzod	GOgo1.24.4	Error
Jun 19, 2025 10:09	Sherzod	GOgo1.24.4	Success	145,599+1.85 RP
Jun 19, 2025 10:05	Sherzod	GOgo1.24.4	Success	256,981
Jun 19, 2025 10:03	Sherzod	GOgo1.24.4	Success	149,638+30.46 RP
Jun 19, 2025 10:00	Sherzod	GOgo1.24.4	Success	274,990+0.59 RP
Jun 19, 2025 09:58	Sherzod	GOgo1.24.4	Success	279,535+35.77 RP
Jun 17, 2025 23:25	Aniruddha Deb	CPPg++13.3.0	Success	19,827
Jun 17, 2025 23:23	Aniruddha Deb	CPPg++13.3.0	Error
Jun 17, 2025 23:22	Aniruddha Deb	CPPg++13.3.0	Error
Jun 17, 2025 23:19	Aniruddha Deb	CPPg++13.3.0	Error
Jun 17, 2025 23:15	Aniruddha Deb	CPPg++13.3.0	Error
Jun 17, 2025 23:14	Aniruddha Deb	CPPg++13.3.0	Error
Jun 17, 2025 23:13	Aniruddha Deb	CPPg++13.3.0	Success	22,147
Jun 17, 2025 23:08	Aniruddha Deb	CPPg++13.3.0	Error
Jun 17, 2025 23:03	Aniruddha Deb	CPPg++13.3.0	Success	19,456+49.27 RP
Jun 17, 2025 23:02	Aniruddha Deb	CPPg++13.3.0	Error
Jun 17, 2025 22:52	Aniruddha Deb	CPPg++13.3.0	Error
Jun 17, 2025 22:45	Aniruddha Deb	CPPg++13.3.0	Error
Jun 17, 2025 22:42	Aniruddha Deb	CPPg++13.3.0	Error
Jun 17, 2025 22:42	Aniruddha Deb	CPPg++13.3.0	Error
Jun 17, 2025 22:41	Aniruddha Deb	CPPg++13.3.0	Error
Jun 17, 2025 22:40	Aniruddha Deb	CPPg++13.3.0	Error
Jun 17, 2025 22:39	Aniruddha Deb	CPPg++13.3.0	Error
Jun 17, 2025 22:33	Aniruddha Deb	CPPg++13.3.0	Error
Jun 17, 2025 22:28	Aniruddha Deb	CPPg++13.3.0	Error
Jun 17, 2025 22:27	Aniruddha Deb	CPPg++13.3.0	Error
Jun 17, 2025 22:25	Aniruddha Deb	CPPg++13.3.0	Success	27,346
Jun 17, 2025 22:21	Aniruddha Deb	CPPg++13.3.0	Success	27,359
Jun 17, 2025 22:21	Aniruddha Deb	CPPg++13.3.0	Success	27,643
Jun 17, 2025 22:19	Aniruddha Deb	CPPg++13.3.0	Success	26,886
Jun 17, 2025 22:14	Aniruddha Deb	CPPg++13.3.0	Success	27,632
Jun 17, 2025 22:12	Aniruddha Deb	CPPg++13.3.0	Success	29,055
Jun 17, 2025 22:11	Aniruddha Deb	CPPg++13.3.0	Success	30,694
Jun 17, 2025 22:07	Aniruddha Deb	CPPg++13.3.0	Success	30,559

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