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
Sep 2, 2021 10:13	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 10:13	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 10:12	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 10:11	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 10:10	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 10:08	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 10:07	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 10:06	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 10:05	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 10:03	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 09:59	Ilya Aniskovets	CPPg++9.3.0	Success	126,473
Sep 2, 2021 09:55	Ilya Aniskovets	CPPg++9.3.0	Success	128,276
Sep 2, 2021 09:52	Ilya Aniskovets	CPPg++9.3.0	Success	490,174
Sep 2, 2021 09:52	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 09:49	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 09:18	Ilya Aniskovets	CPPg++9.3.0	Success	125,367+1.42 RP
Sep 2, 2021 09:17	Ilya Aniskovets	CPPg++9.3.0	Success	127,634+56.92 RP
Sep 2, 2021 06:43	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 06:32	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 06:29	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 06:16	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 06:13	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 2, 2021 05:41	Ilya Aniskovets	CPPg++9.3.0	Success	466,671+21.43 RP
Aug 30, 2021 12:11	Vitaliy F.	GOgo1.16.7	Success	60,193
Aug 30, 2021 12:10	Vitaliy F.	GOgo1.17	Success	54,878+10.90 RP
Aug 30, 2021 09:49	Mikhail Smetannikov	GOgo1.17	Success	231,225+0.37 RP
Aug 30, 2021 09:47	Mikhail Smetannikov	GOgo1.17	Success	233,212+0.70 RP
Aug 30, 2021 09:39	Mikhail Smetannikov	GOgo1.17	Success	237,080+42.18 RP
Aug 21, 2021 17:37	Yuriy Lyfenko	CPPg++9.3.0	Success	11,334
Aug 21, 2021 17:34	Yuriy Lyfenko	CPPclang++10.0.0	Error
Aug 21, 2021 17:28	Yuriy Lyfenko	CPPclang++10.0.0	Success	11,709
Aug 21, 2021 17:28	Yuriy Lyfenko	CPPg++9.3.0	Success	11,436
Aug 21, 2021 17:27	Yuriy Lyfenko	GOgo1.13.15	Error
Aug 21, 2021 17:26	Yuriy Lyfenko	GOgo1.16.7	Error
Aug 10, 2021 06:10	Marat	GO	Success	245,832
Aug 10, 2021 06:09	Marat	GO	Success	251,137
Aug 10, 2021 06:03	Marat	GO	Success	239,977+41.67 RP
Aug 9, 2021 09:20	David Klassen	GO	Success	240,153+41.64 RP
Aug 7, 2021 22:44	Mikhail Shirokov	CPP	Success	191,522+0.03 RP
Aug 7, 2021 22:43	Mikhail Shirokov	CPP	Success	193,263
Jul 29, 2021 15:51	Mikhail Shirokov	CPP	Success	198,476
Jul 29, 2021 15:43	Mikhail Shirokov	CPP	Success	191,639+0.26 RP
Jul 29, 2021 15:41	Mikhail Shirokov	CPP	Success	194,194
Jul 29, 2021 15:35	Mikhail Shirokov	CPP	Success	192,585+1.05 RP
Jul 29, 2021 15:24	Mikhail Shirokov	CPP	Error
Jul 29, 2021 15:22	Mikhail Shirokov	CPP	Error
Jul 29, 2021 15:08	Mikhail Shirokov	CPP	Error
Jul 28, 2021 16:32	Mikhail Shirokov	CPP	Success	200,942
Jul 28, 2021 16:22	Mikhail Shirokov	CPP	Success	323,804
Jul 28, 2021 16:09	Mikhail Shirokov	CPP	Success	196,555+2.60 RP
Jul 28, 2021 15:53	Mikhail Shirokov	CPP	Success	470,268
Jul 28, 2021 15:50	Mikhail Shirokov	CPP	Success	473,648
Jul 28, 2021 15:44	Mikhail Shirokov	CPP	Success	207,130+2.74 RP
Jul 28, 2021 15:43	Mikhail Shirokov	CPP	Success	219,592+22.94 RP
Jul 28, 2021 15:40	Mikhail Shirokov	CPP	Error
Jul 28, 2021 15:35	Mikhail Shirokov	CPP	Success	442,560+22.60 RP
Jul 28, 2021 13:00	amdf	GO	Success	280,139
Jul 28, 2021 12:58	amdf	GO	Success	289,784
Jul 28, 2021 12:52	amdf	GO	Error
Jul 28, 2021 12:10	amdf	GO	Error
Jul 28, 2021 11:59	amdf	GO	Success	433,450
Jul 28, 2021 11:56	amdf	GO	Error
Jul 28, 2021 11:49	amdf	GO	Error
Jul 28, 2021 11:47	amdf	GO	Error
Jul 28, 2021 11:23	amdf	GO	Success	240,586+41.57 RP
Jul 19, 2021 20:52	Prisyazhnyuk Alexander	GO	Error
Jul 19, 2021 20:49	Prisyazhnyuk Alexander	GO	Success	223,159+44.81 RP
Jul 13, 2021 16:57	Prisyazhnyuk Alexander	GO	Error
Jul 10, 2021 22:47	Prisyazhnyuk Alexander	GO	Error
Jul 8, 2021 03:10	x	CPP	Error
Jul 8, 2021 03:09	x	CPP	Error
Jul 6, 2021 13:58	x	CPP	Success	189,665+0.06 RP
Jul 6, 2021 13:57	x	CPP	Error
Jul 6, 2021 13:55	x	CPP	Error
Jul 6, 2021 13:53	x	CPP	Error
Jul 6, 2021 13:53	x	CPP	Error
Jul 6, 2021 13:51	x	CPP	Error
Jul 5, 2021 11:00	x	CPP	Success	189,881+23.20 RP
Jul 4, 2021 23:51	x	CPP	Error
Jul 4, 2021 19:10	Sergey Samokhvalov	CPP	Success	419,167+2.36 RP
Jul 4, 2021 19:08	Sergey Samokhvalov	CPP	Error
Jul 4, 2021 19:05	Sergey Samokhvalov	CPP	Success	467,997
Jul 4, 2021 19:00	Sergey Samokhvalov	CPP	Error
Jul 4, 2021 18:54	Sergey Samokhvalov	CPP	Success	465,114+21.50 RP
Jul 4, 2021 00:33	Egor Sergeev	CPP	Success	72,787+1.86 RP
Jul 4, 2021 00:31	Egor Sergeev	CPP	Error
Jul 4, 2021 00:31	Egor Sergeev	CPP	Error
Jul 3, 2021 20:23	x	CPP	Success	339,396+8.07 RP
Jul 3, 2021 04:55	x	CPP	Error
Jul 3, 2021 04:54	x	CPP	Error
Jul 3, 2021 04:53	x	CPP	Error
Jul 3, 2021 04:51	x	CPP	Error
Jul 3, 2021 04:47	x	CPP	Error
Jul 3, 2021 04:39	x	CPP	Error
Jul 3, 2021 04:35	x	CPP	Error
Jul 3, 2021 04:35	x	CPP	Error
Jul 3, 2021 04:33	x	CPP	Error
Jul 3, 2021 03:02	x	CPP	Success	467,374+21.40 RP
Jul 2, 2021 23:04	Vitaliy F.	GO	Success	58,370+65.32 RP
Jul 2, 2021 22:44	Vitaliy F.	GO	Success	94,335+1.81 RP

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