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
May 23, 2021 19:52	evgenikwt	CPP	Error
May 23, 2021 19:36	evgenikwt	CPP	Success	50,743
May 23, 2021 19:31	evgenikwt	CPP	Error
May 23, 2021 19:16	evgenikwt	CPP	Success	50,248+5.99 RP
May 23, 2021 19:02	evgenikwt	CPP	Success	51,807+15.62 RP
May 23, 2021 18:54	evgenikwt	CPP	Error
May 23, 2021 18:41	evgenikwt	CPP	Success	56,380
May 23, 2021 18:09	evgenikwt	CPP	Success	56,369+4.09 RP
May 23, 2021 17:56	evgenikwt	CPP	Success	63,729
May 23, 2021 17:54	evgenikwt	CPP	Success	58,304
May 23, 2021 15:04	evgenikwt	CPP	Success	83,870
May 23, 2021 15:02	evgenikwt	CPP	Error
May 23, 2021 14:30	evgenikwt	CPP	Success	58,382
May 23, 2021 07:14	evgenikwt	CPP	Error
May 23, 2021 07:03	evgenikwt	CPP	Success	60,975
May 23, 2021 06:50	evgenikwt	CPP	Success	61,987
May 23, 2021 06:10	evgenikwt	CPP	Success	57,699+10.03 RP
May 23, 2021 06:05	evgenikwt	CPP	Success	61,508
May 23, 2021 05:37	evgenikwt	CPP	Success	61,544
May 23, 2021 05:08	evgenikwt	CPP	Error
May 23, 2021 04:52	evgenikwt	CPP	Error
May 23, 2021 04:30	evgenikwt	CPP	Error
May 23, 2021 04:16	evgenikwt	CPP	Success	61,770
May 23, 2021 04:00	evgenikwt	CPP	Error
May 23, 2021 02:46	evgenikwt	CPP	Error
May 23, 2021 02:38	evgenikwt	CPP	Success	61,244+0.74 RP
May 23, 2021 02:33	evgenikwt	CPP	Success	62,314
May 23, 2021 02:26	evgenikwt	CPP	Success	62,310
May 23, 2021 02:24	evgenikwt	CPP	Success	61,521+6.34 RP
May 23, 2021 02:21	evgenikwt	CPP	Error
May 23, 2021 02:20	evgenikwt	CPP	Error
May 23, 2021 02:14	evgenikwt	CPP	Error
May 23, 2021 02:13	evgenikwt	CPP	Error
May 23, 2021 02:08	evgenikwt	CPP	Success	74,472
May 23, 2021 02:03	evgenikwt	CPP	Error
May 23, 2021 02:00	evgenikwt	CPP	Error
May 23, 2021 01:59	evgenikwt	CPP	Success	64,017+0.73 RP
May 23, 2021 01:57	evgenikwt	CPP	Error
May 23, 2021 01:52	evgenikwt	CPP	Error
May 23, 2021 01:49	evgenikwt	CPP	Error
May 23, 2021 01:45	Vasily Titskiy	CPP	Success	75,267
May 23, 2021 01:40	evgenikwt	CPP	Error
May 23, 2021 01:37	Vasily Titskiy	CPP	Success	75,023
May 23, 2021 01:35	evgenikwt	CPP	Error
May 23, 2021 01:34	Vasily Titskiy	CPP	Success	75,026
May 23, 2021 01:33	Vasily Titskiy	CPP	Error
May 23, 2021 01:31	Vasily Titskiy	CPP	Error
May 23, 2021 01:29	Vasily Titskiy	CPP	Success	83,865
May 23, 2021 01:26	evgenikwt	CPP	Error
May 23, 2021 01:25	evgenikwt	CPP	Error
May 23, 2021 01:22	Vasily Titskiy	CPP	Success	75,024+0.47 RP
May 23, 2021 01:19	Vasily Titskiy	CPP	Success	75,287+0.94 RP
May 23, 2021 01:16	Vasily Titskiy	CPP	Success	75,826+31.05 RP
May 23, 2021 01:12	Vasily Titskiy	CPP	Error
May 23, 2021 00:50	Vasily Titskiy	CPP	Success	99,176+0.24 RP
May 23, 2021 00:43	Vasily Titskiy	CPP	Success	99,417+57.56 RP
May 23, 2021 00:41	Vasily Titskiy	CPP	Success	233,313
May 23, 2021 00:29	Vasily Titskiy	CPP	Success	232,410+2.78 RP
May 23, 2021 00:22	evgenikwt	CPP	Error
May 23, 2021 00:18	evgenikwt	CPP	Success	64,317+2.76 RP
May 23, 2021 00:18	Vasily Titskiy	CPP	Success	248,441+2.05 RP
May 23, 2021 00:15	evgenikwt	CPP	Success	73,027
May 23, 2021 00:12	Vasily Titskiy	CPP	Success	261,745+0.32 RP
May 23, 2021 00:10	Vasily Titskiy	CPP	Error
May 23, 2021 00:03	evgenikwt	CPP	Success	65,481+20.99 RP
May 22, 2021 23:59	evgenikwt	CPP	Success	75,918+0.17 RP
May 22, 2021 23:48	Vasily Titskiy	CPP	Success	263,970+0.86 RP
May 22, 2021 23:44	evgenikwt	CPP	Success	76,017+4.73 RP
May 22, 2021 23:42	evgenikwt	CPP	Error
May 22, 2021 23:41	Vasily Titskiy	CPP	Success	270,110+37.02 RP
May 22, 2021 23:37	evgenikwt	CPP	Error
May 22, 2021 23:34	evgenikwt	CPP	Error
May 22, 2021 23:27	evgenikwt	CPP	Success	78,857
May 22, 2021 23:19	evgenikwt	CPP	Success	90,177
May 22, 2021 22:47	evgenikwt	CPP	Success	90,785
May 22, 2021 22:37	evgenikwt	CPP	Success	78,854+2.96 RP
May 22, 2021 22:21	evgenikwt	CPP	Success	80,736+7.35 RP
May 22, 2021 21:50	evgenikwt	CPP	Success	85,829+2.13 RP
May 22, 2021 21:44	evgenikwt	CPP	Success	89,676
May 22, 2021 21:42	evgenikwt	CPP	Error
May 22, 2021 21:18	evgenikwt	CPP	Success	87,427+0.05 RP
May 22, 2021 21:09	evgenikwt	CPP	Success	87,468+2.66 RP
May 22, 2021 20:56	evgenikwt	CPP	Success	89,554+1.49 RP
May 22, 2021 20:08	evgenikwt	CPP	Error
May 22, 2021 19:45	Yuriy Lyfenko	CPP	Success	17,699
May 22, 2021 19:44	Yuriy Lyfenko	CPP	Success	17,716
May 22, 2021 19:38	Yuriy Lyfenko	CPP	Success	20,417
May 22, 2021 19:37	Yuriy Lyfenko	CPP	Success	20,303
May 22, 2021 19:35	Yuriy Lyfenko	CPP	Success	17,944
May 22, 2021 19:33	Yuriy Lyfenko	CPP	Error
May 22, 2021 19:32	Yuriy Lyfenko	CPP	Error
May 22, 2021 19:31	Yuriy Lyfenko	CPP	Error
May 22, 2021 19:31	Yuriy Lyfenko	CPP	Error
May 22, 2021 19:31	Yuriy Lyfenko	CPP	Error
May 22, 2021 19:23	Yuriy Lyfenko	CPP	Error
May 22, 2021 19:14	evgenikwt	CPP	Success	90,765+6.50 RP
May 22, 2021 19:05	evgenikwt	CPP	Success	98,046
May 22, 2021 18:59	evgenikwt	CPP	Success	140,300
May 22, 2021 18:40	evgenikwt	CPP	Error
May 22, 2021 18:31	evgenikwt	CPP	Success	96,452+25.01 RP

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