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 25, 2022 16:43	Bernard Teo	CPPg++9.3.0	Error
Aug 25, 2022 16:42	Bernard Teo	CPPg++9.3.0	Error
Aug 25, 2022 16:41	Bernard Teo	CPPg++9.3.0	Success	12,801
Aug 25, 2022 16:40	Bernard Teo	CPPg++9.3.0	Error
Aug 25, 2022 16:39	Bernard Teo	CPPg++9.3.0	Success	12,831
Aug 25, 2022 16:39	Bernard Teo	CPPg++9.3.0	Success	12,829
Aug 25, 2022 16:39	Bernard Teo	CPPg++9.3.0	Error
Aug 25, 2022 16:35	Bernard Teo	CPPg++9.3.0	Error
Aug 25, 2022 16:31	Bernard Teo	CPPg++9.3.0	Error
Aug 25, 2022 16:30	Bernard Teo	CPPg++9.3.0	Error
Aug 25, 2022 16:29	Bernard Teo	CPPg++9.3.0	Error
Aug 25, 2022 16:28	Bernard Teo	CPPg++9.3.0	Success	15,176
Aug 25, 2022 16:26	Bernard Teo	CPPg++9.3.0	Error
Aug 25, 2022 16:20	Bernard Teo	CPPg++9.3.0	Error
Aug 25, 2022 16:19	Bernard Teo	CPPg++9.3.0	Error
Aug 25, 2022 16:10	eldon-chung	CPPclang++10.0.0	Error
Aug 25, 2022 16:10	Bernard Teo	CPPg++9.3.0	Error
Aug 25, 2022 16:09	eldon-chung	CPPclang++10.0.0	Error
Aug 25, 2022 16:09	Bernard Teo	CPPg++9.3.0	Success	19,291
Aug 25, 2022 16:08	eldon-chung	CPPclang++10.0.0	Error
Aug 25, 2022 16:07	eldon-chung	CPPclang++10.0.0	Error
Aug 25, 2022 16:06	Bernard Teo	CPPg++9.3.0	Error
Aug 25, 2022 16:05	eldon-chung	CPPclang++10.0.0	Success	229,503
Aug 25, 2022 16:00	Bernard Teo	CPPg++9.3.0	Error
Aug 25, 2022 15:59	Bernard Teo	CPPg++9.3.0	Error
Aug 25, 2022 15:57	Bernard Teo	CPPg++9.3.0	Success	10,713+61.15 RP
Aug 25, 2022 15:55	Bernard Teo	CPPg++9.3.0	Error
Aug 25, 2022 15:52	Bernard Teo	CPPg++9.3.0	Error
Aug 25, 2022 15:49	Bernard Teo	CPPg++9.3.0	Success	11,464+180.88 RP
Aug 25, 2022 15:41	Bernard Teo	CPPg++9.3.0	Success	14,463+47.17 RP
Aug 25, 2022 15:36	Bernard Teo	CPPg++9.3.0	Error
Aug 25, 2022 15:06	Bernard Teo	CPPg++9.3.0	Success	15,522
Aug 25, 2022 15:04	Bernard Teo	CPPg++9.3.0	Error
Aug 25, 2022 14:40	Bernard Teo	CPPg++9.3.0	Success	17,229
Aug 25, 2022 14:38	Bernard Teo	CPPg++9.3.0	Error
Aug 25, 2022 14:37	Bernard Teo	CPPg++9.3.0	Error
Aug 25, 2022 14:34	Bernard Teo	CPPg++9.3.0	Error
Aug 25, 2022 14:32	Bernard Teo	CPPg++9.3.0	Error
Aug 25, 2022 14:07	Bernard Teo	CPPg++9.3.0	Success	15,535
Aug 25, 2022 14:05	Bernard Teo	CPPg++9.3.0	Error
Aug 25, 2022 14:00	Bernard Teo	CPPg++9.3.0	Success	15,522+0.21 RP
Aug 25, 2022 13:59	Bernard Teo	CPPg++9.3.0	Error
Aug 25, 2022 13:26	Bernard Teo	CPPg++9.3.0	Error
Aug 25, 2022 13:24	Bernard Teo	CPPg++9.3.0	Success	15,527+10.53 RP
Aug 25, 2022 12:50	Bernard Teo	CPPg++9.3.0	Success	15,785+0.72 RP
Aug 25, 2022 12:37	Bernard Teo	CPPg++9.3.0	Error
Aug 25, 2022 12:34	Bernard Teo	CPPg++9.3.0	Error
Aug 25, 2022 12:19	Bernard Teo	CPPg++9.3.0	Success	15,850
Aug 25, 2022 12:16	Bernard Teo	CPPg++9.3.0	Success	16,102
Aug 24, 2022 16:45	Bernard Teo	CPPg++9.3.0	Success	16,566
Aug 24, 2022 16:12	Bernard Teo	CPPg++9.3.0	Success	24,332
Aug 24, 2022 16:09	Bernard Teo	CPPg++9.3.0	Success	24,247
Aug 24, 2022 16:07	Bernard Teo	CPPg++9.3.0	Success	24,295
Aug 24, 2022 16:05	Bernard Teo	CPPg++9.3.0	Error
Aug 24, 2022 16:00	Bernard Teo	CPPg++9.3.0	Success	24,789
Aug 24, 2022 15:58	Bernard Teo	CPPg++9.3.0	Success	24,073
Aug 24, 2022 15:53	Bernard Teo	CPPg++9.3.0	Error
Aug 24, 2022 15:14	Bernard Teo	CPPg++9.3.0	Success	23,962
Aug 24, 2022 15:13	Bernard Teo	CPPg++9.3.0	Success	24,068
Aug 24, 2022 15:11	Bernard Teo	CPPg++9.3.0	Error
Aug 23, 2022 18:49	Bernard Teo	CPPg++9.3.0	Error
Aug 23, 2022 18:44	Bernard Teo	CPPg++9.3.0	Error
Aug 23, 2022 18:42	Bernard Teo	CPPg++9.3.0	Error
Aug 23, 2022 18:26	Bernard Teo	CPPg++9.3.0	Success	20,371
Aug 23, 2022 18:17	Bernard Teo	CPPg++9.3.0	Error
Aug 23, 2022 18:09	Bernard Teo	CPPg++9.3.0	Error
Aug 23, 2022 18:07	Bernard Teo	CPPg++9.3.0	Error
Aug 23, 2022 18:06	Bernard Teo	CPPg++9.3.0	Error
Aug 23, 2022 17:53	Bernard Teo	CPPg++9.3.0	Error
Aug 23, 2022 17:46	eldon-chung	CPPclang++10.0.0	Error
Aug 23, 2022 17:44	Bernard Teo	CPPg++9.3.0	Error
Aug 23, 2022 17:43	Bernard Teo	CPPg++9.3.0	Error
Aug 23, 2022 17:42	Bernard Teo	CPPg++9.3.0	Error
Aug 23, 2022 17:41	Bernard Teo	CPPg++9.3.0	Error
Aug 23, 2022 17:40	Bernard Teo	CPPg++9.3.0	Error
Aug 23, 2022 17:36	Bernard Teo	CPPg++9.3.0	Error
Aug 23, 2022 17:34	Bernard Teo	CPPg++9.3.0	Error
Aug 23, 2022 17:32	Bernard Teo	CPPg++9.3.0	Error
Aug 23, 2022 17:30	Bernard Teo	CPPg++9.3.0	Error
Aug 23, 2022 17:16	eldon-chung	CPPclang++10.0.0	Error
Aug 23, 2022 17:04	eldon-chung	CPPclang++10.0.0	Success	224,413
Aug 23, 2022 17:02	eldon-chung	CPPclang++10.0.0	Error
Aug 23, 2022 16:54	eldon-chung	CPPclang++10.0.0	Error
Aug 23, 2022 16:50	eldon-chung	CPPclang++10.0.0	Error
Aug 23, 2022 16:49	eldon-chung	CPPclang++10.0.0	Error
Aug 23, 2022 16:45	eldon-chung	CPPclang++10.0.0	Error
Aug 23, 2022 16:43	eldon-chung	CPPclang++10.0.0	Error
Aug 23, 2022 16:38	eldon-chung	CPPclang++10.0.0	Error
Aug 23, 2022 16:35	eldon-chung	CPPclang++10.0.0	Success	152,589+18.49 RP
Aug 23, 2022 16:23	eldon-chung	CPPclang++10.0.0	Success	212,552+26.96 RP
Aug 23, 2022 16:20	eldon-chung	CPPclang++10.0.0	Error
Aug 23, 2022 16:17	eldon-chung	CPPclang++10.0.0	Success	497,783+20.09 RP
Aug 23, 2022 15:53	eldon-chung	CPPclang++10.0.0	Error
Aug 23, 2022 15:47	eldon-chung	CPPclang++10.0.0	Error
Aug 23, 2022 15:45	eldon-chung	CPPclang++10.0.0	Error
Aug 23, 2022 15:42	eldon-chung	CPPclang++10.0.0	Error
Aug 23, 2022 15:12	eldon-chung	CPPclang++10.0.0	Error
Aug 23, 2022 15:09	eldon-chung	CPPclang++10.0.0	Error
Aug 23, 2022 15:04	eldon-chung	CPPclang++10.0.0	Error
Aug 23, 2022 15:03	eldon-chung	CPPclang++10.0.0	Error

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