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 31, 2022 01:34	wireless anon	CPPg++9.3.0	Error
Aug 31, 2022 01:30	wireless anon	CPPg++9.3.0	Error
Aug 31, 2022 01:30	wireless anon	CPPg++9.3.0	Error
Aug 31, 2022 01:29	wireless anon	CPPg++9.3.0	Error
Aug 31, 2022 01:26	wireless anon	CPPg++9.3.0	Error
Aug 31, 2022 01:25	wireless anon	CPPg++9.3.0	Error
Aug 31, 2022 01:20	wireless anon	CPPg++9.3.0	Error
Aug 31, 2022 01:19	wireless anon	CPPg++9.3.0	Error
Aug 31, 2022 01:18	wireless anon	CPPg++9.3.0	Error
Aug 31, 2022 01:17	wireless anon	CPPg++9.3.0	Error
Aug 31, 2022 01:17	wireless anon	CPPg++9.3.0	Error
Aug 31, 2022 01:16	wireless anon	CPPg++9.3.0	Error
Aug 31, 2022 01:14	wireless anon	CPPg++9.3.0	Error
Aug 31, 2022 01:13	wireless anon	CPPg++9.3.0	Error
Aug 31, 2022 01:09	wireless anon	CPPg++9.3.0	Error
Aug 31, 2022 01:06	wireless anon	CPPg++9.3.0	Error
Aug 31, 2022 00:53	wireless anon	CPPg++9.3.0	Error
Aug 31, 2022 00:50	wireless anon	CPPg++9.3.0	Error
Aug 31, 2022 00:47	wireless anon	CPPg++9.3.0	Error
Aug 31, 2022 00:43	wireless anon	CPPg++9.3.0	Error
Aug 31, 2022 00:41	wireless anon	CPPg++9.3.0	Error
Aug 31, 2022 00:39	wireless anon	CPPg++9.3.0	Error
Aug 31, 2022 00:29	wireless anon	CPPg++9.3.0	Error
Aug 31, 2022 00:23	wireless anon	CPPg++9.3.0	Error
Aug 31, 2022 00:23	wireless anon	CPPg++9.3.0	Error
Aug 31, 2022 00:21	wireless anon	CPPg++9.3.0	Error
Aug 31, 2022 00:19	wireless anon	CPPg++9.3.0	Error
Aug 31, 2022 00:00	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 23:39	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 23:38	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 23:32	wireless anon	CPPg++9.3.0	Success	82,990+26.24 RP
Aug 30, 2022 23:27	wireless anon	CPPg++9.3.0	Success	106,096+14.40 RP
Aug 30, 2022 23:25	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 23:18	wireless anon	CPPg++9.3.0	Success	128,942
Aug 30, 2022 23:14	wireless anon	CPPg++9.3.0	Success	128,411
Aug 30, 2022 23:13	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 23:09	korey-s	RUSTrust-1.63.0	Error
Aug 30, 2022 22:58	wireless anon	CPPg++9.3.0	Success	203,552
Aug 30, 2022 22:54	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 22:53	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 22:45	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 22:42	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 22:33	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 22:32	wireless anon	CPPg++9.3.0	Success	247,064
Aug 30, 2022 22:29	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 22:28	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 22:27	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 22:26	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 22:25	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 22:21	wireless anon	CPPg++9.3.0	Success	144,676
Aug 30, 2022 22:19	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 22:17	wireless anon	CPPg++9.3.0	Success	150,442
Aug 30, 2022 22:15	wireless anon	CPPg++9.3.0	Success	154,306
Aug 30, 2022 22:08	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 21:45	korey-s	RUSTrust-1.63.0	Success	250,932+0.14 RP
Aug 30, 2022 21:42	korey-s	RUSTrust-1.63.0	Success	251,791+39.72 RP
Aug 30, 2022 21:18	wireless anon	CPPg++9.3.0	Success	125,221+48.74 RP
Aug 30, 2022 20:20	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 20:19	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 20:18	wireless anon	CPPg++9.3.0	Success	321,346+1.23 RP
Aug 30, 2022 20:15	wireless anon	CPPg++9.3.0	Success	334,622+8.42 RP
Aug 30, 2022 20:13	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 20:01	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 19:54	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 19:52	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 19:50	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 19:46	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 19:44	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 19:32	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 19:26	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 19:23	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 19:22	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 19:19	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 19:17	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 19:15	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 19:12	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 19:08	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 19:08	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 19:07	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 19:05	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 19:03	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 19:00	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 18:52	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 18:52	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 18:51	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 18:49	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 18:48	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 18:46	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 18:43	Robert Burke	CPPg++9.3.0	Error
Aug 30, 2022 18:35	wireless anon	CPPg++9.3.0	Error
Aug 30, 2022 18:19	Bernard Teo	CPPg++9.3.0	Error
Aug 30, 2022 18:18	Bernard Teo	CPPg++9.3.0	Error
Aug 30, 2022 18:15	Bernard Teo	CPPg++9.3.0	Error
Aug 30, 2022 18:11	Bernard Teo	CPPg++9.3.0	Success	5,113
Aug 30, 2022 18:10	Bernard Teo	CPPg++9.3.0	Error
Aug 30, 2022 18:09	wireless anon	CPPg++9.3.0	Success	465,934+21.46 RP
Aug 30, 2022 18:09	Bernard Teo	CPPg++9.3.0	Error
Aug 30, 2022 18:08	Bernard Teo	CPPg++9.3.0	Success	5,138
Aug 30, 2022 18:02	Bernard Teo	CPPg++9.3.0	Error
Aug 30, 2022 18:00	Bernard Teo	CPPg++9.3.0	Success	4,858+16.04 RP

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