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
Jul 8, 2024 18:38	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 18:37	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 18:36	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 18:35	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 18:35	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 18:33	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 18:31	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 18:30	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 18:29	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 18:27	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 18:26	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 18:25	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 18:24	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 18:22	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 18:22	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 18:21	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 18:20	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 18:19	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 18:18	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 18:17	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 18:14	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 18:11	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 18:11	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 16:41	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 16:40	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 16:40	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 16:39	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 16:38	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 16:36	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 15:49	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 15:47	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 15:45	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 15:44	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 15:43	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 15:37	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 15:35	matsuoka-601	CPPclang++10.0.0	Error
Jul 8, 2024 15:33	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 15:23	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 15:19	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 15:19	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 15:18	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 15:17	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 15:04	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 15:04	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 15:01	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 14:57	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 14:56	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 14:52	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 14:51	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 14:50	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 14:40	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 14:39	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 14:36	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 14:31	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 14:25	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 14:25	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 14:23	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 14:21	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 14:21	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 14:21	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 14:19	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 14:18	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 14:17	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 14:15	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 14:14	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 14:13	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 14:02	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 14:00	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 13:59	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 13:59	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 13:56	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 13:54	matsuoka-601	CPPclang++10.0.0	Error
Jul 8, 2024 13:53	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 13:52	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 13:51	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 13:50	matsuoka-601	CPPg++9.4.0	Error
Jul 8, 2024 13:24	Joad Nacer	CPPclang++10.0.0	Error
Jul 8, 2024 13:23	Joad Nacer	CPPclang++10.0.0	Error
Jul 8, 2024 12:36	Joad Nacer	CPPclang++10.0.0	Error
Jul 8, 2024 12:34	Joad Nacer	CPPclang++10.0.0	Error
Jul 8, 2024 12:31	Joad Nacer	CPPclang++10.0.0	Error
Jul 8, 2024 11:43	Joad Nacer	CPPclang++10.0.0	Error
Jul 8, 2024 11:39	Joad Nacer	CPPclang++10.0.0	Error
Jul 8, 2024 11:38	Joad Nacer	CPPclang++10.0.0	Error
Jul 8, 2024 00:07	Joad Nacer	CPPclang++10.0.0	Error
Jul 7, 2024 23:47	Joad Nacer	CPPclang++10.0.0	Error
Jul 7, 2024 23:43	Joad Nacer	CPPclang++10.0.0	Error
Jul 7, 2024 23:41	Joad Nacer	CPPclang++10.0.0	Error
Jul 7, 2024 23:35	Joad Nacer	CPPclang++10.0.0	Error
Jul 7, 2024 10:15	Joad Nacer	CPPclang++10.0.0	Error
Jul 7, 2024 10:13	Joad Nacer	CPPclang++10.0.0	Error
Jul 7, 2024 09:44	Joad Nacer	CPPclang++10.0.0	Error
Jul 7, 2024 09:37	Joad Nacer	CPPclang++10.0.0	Error
Jul 7, 2024 09:36	Joad Nacer	CPPclang++10.0.0	Error
Jul 7, 2024 09:27	Joad Nacer	CPPclang++10.0.0	Error
Jul 7, 2024 09:25	Joad Nacer	CPPclang++10.0.0	Error
Jul 7, 2024 09:24	Joad Nacer	CPPclang++10.0.0	Error
Jul 7, 2024 09:18	Joad Nacer	CPPclang++10.0.0	Error
Jul 7, 2024 09:16	Joad Nacer	CPPclang++10.0.0	Error
Jul 7, 2024 09:14	Joad Nacer	CPPclang++10.0.0	Error

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