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
Jul 2, 2021 22:32	Vitaliy F.	GO	Success	95,970+0.08 RP
Jul 2, 2021 22:30	Vitaliy F.	GO	Success	103,014
Jul 2, 2021 22:21	Vitaliy F.	GO	Success	106,257
Jul 2, 2021 22:03	Vitaliy F.	GO	Success	97,814
Jul 2, 2021 22:01	Vitaliy F.	GO	Error
Jul 2, 2021 21:58	Vitaliy F.	GO	Success	98,482
Jul 2, 2021 21:51	Vitaliy F.	GO	Success	96,046+2.60 RP
Jul 2, 2021 21:43	Vitaliy F.	GO	Success	98,510+8.33 RP
Jul 2, 2021 21:42	Vitaliy F.	GO	Error
Jul 2, 2021 21:37	Vitaliy F.	GO	Error
Jul 2, 2021 21:31	Vitaliy F.	GO	Success	107,320+34.73 RP
Jul 2, 2021 21:16	Vitaliy F.	GO	Success	171,086+0.97 RP
Jul 2, 2021 21:09	Vitaliy F.	GO	Success	174,932
Jul 2, 2021 21:07	Vitaliy F.	GO	Success	174,703
Jul 2, 2021 21:02	Vitaliy F.	GO	Success	173,984+8.65 RP
Jul 2, 2021 20:57	Vitaliy F.	GO	Success	204,793+4.70 RP
Jul 2, 2021 20:45	Vitaliy F.	GO	Error
Jul 2, 2021 20:39	Vitaliy F.	GO	Success	226,585+2.39 RP
Jul 2, 2021 20:33	Vitaliy F.	GO	Error
Jul 2, 2021 20:25	Vitaliy F.	GO	Success	239,576+41.74 RP
Jul 1, 2021 20:25	gchebanov	CPP	Success	29,161
Jul 1, 2021 19:56	gchebanov	CPP	Error
Jul 1, 2021 19:55	gchebanov	CPP	Error
Jul 1, 2021 19:55	gchebanov	CPP	Error
Jul 1, 2021 19:55	gchebanov	CPP	Error
Jul 1, 2021 19:52	gchebanov	CPP	Success	27,772+75.47 RP
Jul 1, 2021 19:34	Igor Shekalev	GO	Success	92,438+0.30 RP
Jul 1, 2021 19:31	Igor Shekalev	GO	Success	92,695+0.31 RP
Jul 1, 2021 19:28	Igor Shekalev	GO	Success	92,965+0.67 RP
Jul 1, 2021 19:25	gchebanov	CPP	Success	35,182
Jul 1, 2021 19:25	Igor Shekalev	GO	Success	93,545+14.98 RP
Jul 1, 2021 19:19	gchebanov	CPP	Success	35,137+31.31 RP
Jul 1, 2021 17:27	Igor Shekalev	GO	Success	111,746
Jul 1, 2021 17:16	Igor Shekalev	GO	Error
Jul 1, 2021 17:02	Igor Shekalev	GO	Success	108,792+6.68 RP
Jul 1, 2021 16:56	Igor Shekalev	GO	Success	117,322+10.49 RP
Jul 1, 2021 16:50	Igor Shekalev	GO	Error
Jul 1, 2021 16:45	Igor Shekalev	GO	Error
Jul 1, 2021 16:28	Igor Shekalev	GO	Success	133,783+0.94 RP
Jul 1, 2021 16:27	Igor Shekalev	GO	Error
Jul 1, 2021 16:24	Igor Shekalev	GO	Success	135,495+1.55 RP
Jul 1, 2021 16:19	Igor Shekalev	GO	Success	195,209
Jul 1, 2021 16:18	Igor Shekalev	GO	Error
Jul 1, 2021 16:10	Igor Shekalev	GO	Success	138,407+0.56 RP
Jul 1, 2021 16:06	Igor Shekalev	GO	Success	158,899
Jul 1, 2021 16:03	Igor Shekalev	GO	Success	180,198
Jul 1, 2021 16:01	Igor Shekalev	GO	Error
Jul 1, 2021 15:57	Igor Shekalev	GO	Success	156,835
Jul 1, 2021 15:50	Igor Shekalev	GO	Success	213,960
Jul 1, 2021 15:43	Igor Shekalev	GO	Success	144,394
Jul 1, 2021 15:36	Igor Shekalev	GO	Success	147,300
Jul 1, 2021 15:25	Igor Shekalev	GO	Success	175,701
Jul 1, 2021 15:18	Igor Shekalev	GO	Success	448,644
Jul 1, 2021 15:14	Igor Shekalev	GO	Success	139,488+71.69 RP
Jul 1, 2021 15:11	Igor Shekalev	GO	Error
Jun 27, 2021 06:56	gchebanov	CPP	Success	39,480+253.29 RP
Jun 27, 2021 06:54	gchebanov	CPP	Error
Jun 27, 2021 06:52	gchebanov	CPP	Error
Jun 27, 2021 02:51	gchebanov	CPP	Error
Jun 27, 2021 02:39	gchebanov	CPP	Error
Jun 20, 2021 18:48	Andrey Tsvetkov	GO	Success	84,620+0.33 RP
Jun 20, 2021 15:11	Sergey Stremin	RUST	Success	23,168+50.72 RP
Jun 18, 2021 21:57	alex3d	CPP	Success	58,669
Jun 18, 2021 21:56	alex3d	CPP	Success	58,384
Jun 18, 2021 21:56	alex3d	CPP	Success	57,348
Jun 18, 2021 21:53	alex3d	CPP	Success	56,579+1.08 RP
Jun 18, 2021 21:48	alex3d	CPP	Success	57,079
Jun 18, 2021 21:42	alex3d	CPP	Success	56,984
Jun 18, 2021 21:39	alex3d	CPP	Success	56,928+0.03 RP
Jun 18, 2021 21:38	alex3d	CPP	Success	57,604
Jun 18, 2021 21:37	alex3d	CPP	Error
Jun 18, 2021 21:36	alex3d	CPP	Success	58,354
Jun 18, 2021 21:34	alex3d	CPP	Success	56,937+0.14 RP
Jun 18, 2021 21:31	alex3d	CPP	Success	56,983+17.97 RP
Jun 18, 2021 21:29	alex3d	CPP	Success	63,483+0.38 RP
Jun 18, 2021 21:23	alex3d	CPP	Success	63,636+157.14 RP
Jun 18, 2021 15:21	Sergey Stremin	RUST	Error
Jun 16, 2021 15:09	Egor Sergeev	CPP	Success	75,462
Jun 16, 2021 15:04	Egor Sergeev	CPP	Success	73,785+1.00 RP
Jun 15, 2021 17:02	Egor Sergeev	CPP	Error
Jun 15, 2021 16:53	Egor Sergeev	CPP	Success	75,958
Jun 15, 2021 16:50	Egor Sergeev	CPP	Success	75,143
Jun 15, 2021 16:39	Egor Sergeev	CPP	Error
Jun 15, 2021 16:23	Egor Sergeev	CPP	Error
Jun 15, 2021 16:08	Egor Sergeev	CPP	Success	74,512
Jun 14, 2021 18:33	Andrey Tsvetkov	GO	Success	84,857+117.85 RP
Jun 13, 2021 09:26	Egor Sergeev	CPP	Success	93,089
Jun 13, 2021 08:39	Egor Sergeev	CPP	Success	74,333+49.72 RP
Jun 13, 2021 08:33	Egor Sergeev	CPP	Success	117,909+0.70 RP
Jun 13, 2021 08:32	Egor Sergeev	CPP	Success	118,894+10.44 RP
Jun 13, 2021 08:24	Egor Sergeev	CPP	Success	188,363
Jun 13, 2021 08:07	Egor Sergeev	CPP	Error
Jun 13, 2021 07:52	Egor Sergeev	CPP	Success	135,740+1.71 RP
Jun 13, 2021 07:48	Egor Sergeev	CPP	Error
Jun 13, 2021 07:37	Egor Sergeev	CPP	Success	138,960+40.07 RP
Jun 13, 2021 07:36	Egor Sergeev	CPP	Success	313,538+0.33 RP
Jun 13, 2021 07:22	Egor Sergeev	CPP	Error
Jun 13, 2021 07:17	Egor Sergeev	CPP	Success	316,806+0.01 RP
Jun 13, 2021 07:15	Egor Sergeev	CPP	Success	316,920+10.21 RP
Jun 13, 2021 07:12	Egor Sergeev	CPP	Error

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