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
Nov 24, 2021 22:41	Kirill Butin	CPPclang++10.0.0	Error
Nov 24, 2021 22:40	Kirill Butin	CPPclang++10.0.0	Error
Nov 24, 2021 21:35	Kirill Butin	CPPclang++10.0.0	Error
Nov 24, 2021 21:08	Kirill Butin	CPPclang++10.0.0	Error
Nov 24, 2021 20:37	Kirill Butin	CPPclang++10.0.0	Error
Nov 24, 2021 20:06	Kirill Butin	CPPclang++10.0.0	Success	284,161+0.09 RP
Nov 24, 2021 20:04	Kirill Butin	CPPg++9.3.0	Success	284,920
Nov 24, 2021 20:01	Kirill Butin	CPPg++9.3.0	Success	284,935+3.06 RP
Nov 24, 2021 19:58	Kirill Butin	CPPg++9.3.0	Error
Nov 24, 2021 19:47	Kirill Butin	CPPg++9.3.0	Error
Nov 24, 2021 19:45	Kirill Butin	CPPg++9.3.0	Error
Nov 24, 2021 19:42	Kirill Butin	CPPclang++10.0.0	Error
Nov 24, 2021 19:41	Kirill Butin	CPPg++9.3.0	Error
Nov 24, 2021 19:25	Kirill Butin	CPPg++9.3.0	Success	312,151+32.04 RP
Nov 24, 2021 19:24	Kirill Butin	CPPg++9.3.0	Error
Nov 24, 2021 19:20	Kirill Butin	CPPg++9.3.0	Error
Nov 24, 2021 19:15	Kirill Butin	CPPg++9.3.0	Error
Nov 24, 2021 19:11	Kirill Butin	CPPg++9.3.0	Error
Nov 24, 2021 19:08	Kirill Butin	CPPclang++10.0.0	Error
Nov 24, 2021 18:52	Kirill Butin	CPPclang++10.0.0	Error
Nov 24, 2021 18:49	Kirill Butin	CPPclang++10.0.0	Error
Nov 24, 2021 18:47	Kirill Butin	CPPclang++10.0.0	Error
Nov 24, 2021 18:43	Kirill Butin	CPPclang++10.0.0	Error
Nov 22, 2021 09:40	a-poptsov	CPPclang++10.0.0	Success	427,411
Nov 22, 2021 09:36	a-poptsov	CPPclang++10.0.0	Success	428,458
Nov 22, 2021 09:04	a-poptsov	CPPclang++10.0.0	Success	427,430
Nov 22, 2021 09:03	a-poptsov	CPPclang++10.0.0	Success	423,204
Nov 22, 2021 08:52	a-poptsov	CPPclang++10.0.0	Success	424,942
Nov 22, 2021 08:49	a-poptsov	CPPg++9.3.0	Success	426,735
Nov 22, 2021 08:48	a-poptsov	CPPg++9.3.0	Success	435,578
Nov 22, 2021 08:41	a-poptsov	CPPg++9.3.0	Success	463,538
Nov 10, 2021 17:58	Sergey Stremin	RUSTrust-1.56.1	Error
Nov 10, 2021 17:20	Sergey Stremin	RUSTrust-1.56.1	Success	19,464+147.88 RP
Oct 30, 2021 14:41	Mikhail Shirokov	CPPg++9.3.0	Success	150,537
Oct 30, 2021 14:38	Mikhail Shirokov	CPPg++9.3.0	Success	145,659
Oct 24, 2021 22:23	Yuriy Lyfenko	CPPg++9.3.0	Success	11,308
Oct 17, 2021 12:12	Mikhail Shirokov	CPPg++9.3.0	Success	113,980
Oct 17, 2021 12:04	Mikhail Shirokov	CPPg++9.3.0	Success	95,459+39.89 RP
Oct 17, 2021 11:51	Mikhail Shirokov	CPPg++9.3.0	Error
Oct 16, 2021 07:34	Sergei Gunchenko	CPPg++9.3.0	Success	466,862+21.42 RP
Oct 14, 2021 22:21	Yurkov Aleksey	CPPg++9.3.0	Success	37,106
Oct 14, 2021 22:21	Yurkov Aleksey	CPPg++9.3.0	Success	37,068+1.20 RP
Oct 10, 2021 06:10	Yuriy Lyfenko	CPPg++9.3.0	Success	11,301
Sep 28, 2021 18:24	Ilya Aniskovets	CPPg++9.3.0	Success	41,702
Sep 28, 2021 18:11	Ilya Aniskovets	CPPg++9.3.0	Success	310,557
Sep 28, 2021 17:10	Ilya Aniskovets	CPPg++9.3.0	Error
Sep 20, 2021 22:39	picul	CPPg++9.3.0	Success	21,639
Sep 20, 2021 22:38	picul	CPPg++9.3.0	Success	21,862
Sep 20, 2021 22:37	picul	CPPg++9.3.0	Success	22,520
Sep 20, 2021 22:36	picul	CPPg++9.3.0	Success	25,199
Sep 20, 2021 22:35	picul	CPPg++9.3.0	Success	21,363+0.74 RP
Sep 20, 2021 22:33	picul	CPPg++9.3.0	Success	24,124
Sep 20, 2021 22:33	picul	CPPg++9.3.0	Error
Sep 20, 2021 22:31	picul	CPPg++9.3.0	Error
Sep 20, 2021 22:29	picul	CPPg++9.3.0	Success	21,397+2.97 RP
Sep 17, 2021 21:34	Malik Shamsutdinov	RUSTrust-1.55.0	Error
Sep 17, 2021 21:32	Malik Shamsutdinov	RUSTrust-1.55.0	Error
Sep 17, 2021 20:51	Malik Shamsutdinov	RUSTrust-1.55.0	Success	97,481+1.25 RP
Sep 17, 2021 20:43	Malik Shamsutdinov	RUSTrust-1.55.0	Error
Sep 17, 2021 20:35	Malik Shamsutdinov	RUSTrust-1.55.0	Success	98,685+61.01 RP
Sep 16, 2021 18:35	Malik Shamsutdinov	RUSTrust-1.55.0	Success	249,049
Sep 16, 2021 18:30	Malik Shamsutdinov	RUSTrust-1.55.0	Error
Sep 16, 2021 18:24	Malik Shamsutdinov	RUSTrust-1.55.0	Success	247,992+40.32 RP
Sep 9, 2021 17:49	Andrey Tsvetkov	GOgo1.17	Error
Sep 9, 2021 17:48	Andrey Tsvetkov	GOgo1.17	Error
Sep 9, 2021 17:45	Andrey Tsvetkov	GOgo1.17	Error
Sep 9, 2021 17:44	Andrey Tsvetkov	GOgo1.17	Error
Sep 9, 2021 17:23	nulte	CPPg++9.3.0	Error
Sep 9, 2021 17:22	nulte	CPPg++9.3.0	Error
Sep 9, 2021 17:19	nulte	CPPg++9.3.0	Error
Sep 9, 2021 17:18	nulte	CPPg++9.3.0	Error
Sep 9, 2021 17:16	nulte	CPPg++9.3.0	Error
Sep 9, 2021 17:08	nulte	CPPg++9.3.0	Error
Sep 9, 2021 17:07	nulte	CPPg++9.3.0	Error
Sep 9, 2021 17:05	nulte	CPPg++9.3.0	Error
Sep 9, 2021 17:03	nulte	CPPg++9.3.0	Error
Sep 9, 2021 17:02	nulte	CPPg++9.3.0	Error
Sep 9, 2021 17:00	Andrey Tsvetkov	GOgo1.17	Success	93,365
Sep 9, 2021 16:59	Andrey Tsvetkov	GOgo1.17	Success	92,341
Sep 9, 2021 16:50	Andrey Tsvetkov	GOgo1.14.15	Success	93,811
Sep 9, 2021 16:50	Andrey Tsvetkov	GOgo1.17	Success	92,102
Sep 9, 2021 16:49	Andrey Tsvetkov	GOgo1.13.15	Success	94,354
Sep 9, 2021 16:48	Andrey Tsvetkov	GOgo1.13.15	Success	94,002
Sep 9, 2021 16:46	Andrey Tsvetkov	GOgo1.13.15	Success	95,590
Sep 9, 2021 16:45	Andrey Tsvetkov	GOgo1.13.15	Success	98,805
Sep 9, 2021 16:44	Andrey Tsvetkov	GOgo1.13.15	Success	105,453
Sep 8, 2021 12:33	Mikhail Shirokov	CPPg++9.3.0	Success	278,952
Sep 8, 2021 12:28	Mikhail Shirokov	CPPg++9.3.0	Success	160,339
Sep 8, 2021 12:25	Mikhail Shirokov	CPPg++9.3.0	Success	154,168+0.51 RP
Sep 8, 2021 12:24	Mikhail Shirokov	CPPg++9.3.0	Error
Sep 8, 2021 12:22	Mikhail Shirokov	CPPg++9.3.0	Error
Sep 8, 2021 09:55	Mikhail Shirokov	CPPg++9.3.0	Error
Sep 8, 2021 09:49	Mikhail Shirokov	CPPg++9.3.0	Success	155,799
Sep 8, 2021 09:47	Mikhail Shirokov	CPPg++9.3.0	Success	155,393+12.14 RP
Sep 8, 2021 09:33	Mikhail Shirokov	CPPg++9.3.0	Success	546,071
Sep 8, 2021 09:31	Mikhail Shirokov	CPPg++9.3.0	Error
Sep 7, 2021 23:29	picul	CPPg++9.3.0	Success	27,144
Sep 7, 2021 23:27	picul	CPPg++9.3.0	Success	21,552
Sep 7, 2021 23:26	picul	CPPg++9.3.0	Success	21,534+18.27 RP
Sep 7, 2021 23:21	picul	CPPg++9.3.0	Success	22,721

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