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 17, 2022 20:24	Yuriy Lyfenko	CPPg++9.3.0	Success	11,232
Jul 17, 2022 20:24	Yuriy Lyfenko	CPPg++9.3.0	Success	11,434
Jul 17, 2022 20:23	Yuriy Lyfenko	CPPg++9.3.0	Success	11,168+2.08 RP
Jul 17, 2022 20:22	Yuriy Lyfenko	CPPg++9.3.0	Error
Jul 17, 2022 20:19	Yuriy Lyfenko	CPPg++9.3.0	Success	12,119
Jul 17, 2022 20:19	Yuriy Lyfenko	CPPg++9.3.0	Success	13,028
Jul 17, 2022 20:18	Yuriy Lyfenko	CPPg++9.3.0	Success	12,882
Jul 17, 2022 20:13	Yuriy Lyfenko	CPPg++9.3.0	Error
Jul 17, 2022 20:11	Yuriy Lyfenko	CPPg++9.3.0	Error
Jul 17, 2022 20:10	Yuriy Lyfenko	CPPg++9.3.0	Error
Jul 17, 2022 19:38	Yuriy Lyfenko	CPPg++9.3.0	Error
Jul 14, 2022 23:08	Robert Burke	CPPg++9.3.0	Success	436,998+22.88 RP
Jul 14, 2022 18:31	Robert Burke	CPPg++9.3.0	Error
Jul 14, 2022 10:05	Dmitry Ivanov	CPPclang++10.0.0	Success	426,732+2.14 RP
Jul 14, 2022 10:02	Dmitry Ivanov	CPPclang++10.0.0	Success	469,653+21.29 RP
Jul 13, 2022 21:16	Yuriy Lyfenko	CPPg++9.3.0	Success	11,181+4.94 RP
Jul 13, 2022 21:13	Yuriy Lyfenko	CPPg++9.3.0	Success	11,377
Jul 13, 2022 21:11	Yuriy Lyfenko	CPPg++9.3.0	Success	11,240
Jul 13, 2022 21:08	Yuriy Lyfenko	CPPg++9.3.0	Success	11,250
Jul 13, 2022 21:07	Yuriy Lyfenko	CPPg++9.3.0	Success	11,916
Jul 13, 2022 21:06	Yuriy Lyfenko	CPPg++9.3.0	Success	12,752
Jul 13, 2022 21:05	Yuriy Lyfenko	CPPg++9.3.0	Success	11,212+11.70 RP
Jul 13, 2022 21:04	Yuriy Lyfenko	CPPg++9.3.0	Success	11,429
Jul 13, 2022 21:04	Yuriy Lyfenko	CPPg++9.3.0	Success	11,564
Jul 13, 2022 21:03	Yuriy Lyfenko	CPPg++9.3.0	Success	11,286+0.62 RP
Jul 13, 2022 21:02	Yuriy Lyfenko	CPPg++9.3.0	Success	11,348
Jul 13, 2022 21:00	Yuriy Lyfenko	CPPg++9.3.0	Error
Jul 13, 2022 21:00	Yuriy Lyfenko	CPPg++9.3.0	Success	11,329
Jul 13, 2022 20:59	Yuriy Lyfenko	CPPg++9.3.0	Success	11,966
Jul 13, 2022 20:56	Yuriy Lyfenko	CPPg++9.3.0	Success	11,350
Jul 10, 2022 23:02	Yuriy Lyfenko	CPPclang++10.0.0	Success	11,477
Jun 10, 2022 06:40	elderica	RUSTrust-1.61.0	Success	241,936+41.33 RP
Jun 10, 2022 06:38	elderica	RUSTrust-1.61.0	Error
Jun 10, 2022 06:31	elderica	RUSTrust-1.61.0	Error
Jun 10, 2022 06:30	elderica	RUSTrust-1.61.0	Error
May 30, 2022 15:00	Keichi Takahashi	CPPg++9.3.0	Success	437,970+1.30 RP
May 30, 2022 14:58	Keichi Takahashi	CPPg++9.3.0	Success	464,357+21.54 RP
May 28, 2022 15:35	Jules Minier	CPPg++9.3.0	Success	155,745+41.30 RP
May 28, 2022 14:20	Jules Minier	CPPg++9.3.0	Success	436,518+1.58 RP
May 28, 2022 14:18	Jules Minier	CPPg++9.3.0	Error
May 28, 2022 13:50	Jules Minier	CPPg++9.3.0	Error
May 28, 2022 13:48	Jules Minier	CPPg++9.3.0	Error
May 27, 2022 07:25	Jules Minier	CPPg++9.3.0	Success	468,822+21.33 RP
May 20, 2022 08:25	rnitta	RUSTrust-1.61.0	Error
Apr 13, 2022 09:50	Egor Sergeev	CPPclang++10.0.0	Success	71,665+1.04 RP
Apr 13, 2022 09:48	Egor Sergeev	CPPclang++10.0.0	Success	72,205+1.11 RP
Apr 13, 2022 09:47	Egor Sergeev	CPPg++9.3.0	Success	74,490
Apr 7, 2022 15:48	Dias	CPPg++9.3.0	Success	465,332+21.49 RP
Jan 21, 2022 04:57	Karam Jameel Moore	CPPg++9.3.0	Success	465,819+21.47 RP
Dec 15, 2021 15:38	Yuriy Lyfenko	GOgo1.13.9	Success	35,757
Dec 15, 2021 15:28	Yuriy Lyfenko	GOgo1.13.9	Success	30,406
Dec 15, 2021 15:25	Yuriy Lyfenko	GOgo1.13.9	Error
Dec 15, 2021 15:23	Yuriy Lyfenko	GOgo1.17.5	Error
Dec 15, 2021 13:14	Alexander Kim	GOgo1.17.5	Success	232,221+43.06 RP
Dec 8, 2021 18:04	a-poptsov	CPPg++9.3.0	Error
Dec 8, 2021 18:02	a-poptsov	CPPg++9.3.0	Error
Dec 8, 2021 18:01	a-poptsov	CPPg++9.3.0	Error
Dec 8, 2021 17:20	a-poptsov	CPPg++9.3.0	Error
Nov 25, 2021 16:18	Kirill Butin	CPPg++9.3.0	Success	279,650
Nov 25, 2021 12:44	Kirill Butin	CPPg++9.3.0	Error
Nov 25, 2021 12:41	Kirill Butin	CPPg++9.3.0	Error
Nov 25, 2021 12:33	Kirill Butin	CPPg++9.3.0	Success	302,498
Nov 25, 2021 12:30	Kirill Butin	CPPclang++10.0.0	Success	301,795
Nov 25, 2021 12:16	Kirill Butin	CPPclang++10.0.0	Error
Nov 25, 2021 12:07	Kirill Butin	CPPclang++10.0.0	Error
Nov 25, 2021 12:03	Kirill Butin	CPPclang++10.0.0	Error
Nov 25, 2021 11:39	Kirill Butin	CPPclang++10.0.0	Error
Nov 25, 2021 11:08	Kirill Butin	CPPclang++10.0.0	Error
Nov 25, 2021 11:05	Kirill Butin	CPPclang++10.0.0	Error
Nov 25, 2021 10:53	Kirill Butin	CPPg++9.3.0	Error
Nov 25, 2021 10:51	Kirill Butin	CPPg++9.3.0	Success	298,042
Nov 25, 2021 10:36	Kirill Butin	CPPg++9.3.0	Error
Nov 25, 2021 10:14	Kirill Butin	CPPg++9.3.0	Error
Nov 25, 2021 10:12	Kirill Butin	CPPg++9.3.0	Error
Nov 25, 2021 10:10	Kirill Butin	CPPg++9.3.0	Error
Nov 25, 2021 10:08	Kirill Butin	CPPg++9.3.0	Error
Nov 25, 2021 10:01	Kirill Butin	CPPg++9.3.0	Error
Nov 25, 2021 10:00	Kirill Butin	CPPg++9.3.0	Error
Nov 25, 2021 09:58	Kirill Butin	CPPg++9.3.0	Error
Nov 25, 2021 09:58	Kirill Butin	CPPg++9.3.0	Error
Nov 25, 2021 00:50	Kirill Butin	CPPg++9.3.0	Success	309,619
Nov 25, 2021 00:49	Kirill Butin	CPPg++9.3.0	Error
Nov 25, 2021 00:47	Kirill Butin	CPPg++9.3.0	Error
Nov 25, 2021 00:41	Kirill Butin	CPPg++9.3.0	Error
Nov 25, 2021 00:39	Kirill Butin	CPPg++9.3.0	Error
Nov 25, 2021 00:25	Kirill Butin	CPPg++9.3.0	Error
Nov 25, 2021 00:23	Kirill Butin	CPPg++9.3.0	Error
Nov 25, 2021 00:22	Kirill Butin	CPPclang++10.0.0	Success	133,487+39.72 RP
Nov 25, 2021 00:21	Kirill Butin	CPPclang++10.0.0	Error
Nov 25, 2021 00:18	Kirill Butin	CPPclang++10.0.0	Error
Nov 25, 2021 00:16	Kirill Butin	CPPg++9.3.0	Error
Nov 25, 2021 00:14	Kirill Butin	CPPg++9.3.0	Error
Nov 25, 2021 00:12	Kirill Butin	CPPg++9.3.0	Error
Nov 25, 2021 00:07	Kirill Butin	CPPg++9.3.0	Error
Nov 25, 2021 00:05	Kirill Butin	CPPg++9.3.0	Error
Nov 25, 2021 00:04	Kirill Butin	CPPg++9.3.0	Error
Nov 25, 2021 00:02	Kirill Butin	CPPg++9.3.0	Error
Nov 24, 2021 23:44	Kirill Butin	CPPg++9.3.0	Error
Nov 24, 2021 22:44	Kirill Butin	CPPg++9.3.0	Error
Nov 24, 2021 22:43	Kirill Butin	CPPg++9.3.0	Error

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