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	1:20.1.2-0ubuntu1~24.04.2	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.
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	3.0.13-0ubuntu3.9	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
Dec 15, 2023 12:48	Dmitrii Vasilev	CPPg++9.3.0	Success	464,136+21.55 RP
Dec 15, 2023 10:46	Oleg Kovalov	GOgo1.21.5	Success	99,136+16.46 RP
Dec 15, 2023 10:29	Oleg Kovalov	GOgo1.21.5	Success	118,870
Dec 15, 2023 10:27	Oleg Kovalov	GOgo1.21.5	Success	119,117
Dec 15, 2023 10:22	Oleg Kovalov	GOgo1.21.5	Success	118,485
Dec 15, 2023 10:21	Oleg Kovalov	GOgo1.21.5	Success	118,474+1.47 RP
Dec 15, 2023 10:02	Oleg Kovalov	GOgo1.21.5	Success	124,517
Dec 13, 2023 12:22	Dumpinieks	CPPg++9.3.0	Success	465,440+21.49 RP
Dec 12, 2023 08:20	Oleg Kovalov	GOgo1.21.5	Success	120,567+38.14 RP
Dec 12, 2023 08:05	Oleg Kovalov	GOgo1.21.5	Success	223,231+0.76 RP
Dec 11, 2023 23:36	Oleg Kovalov	GOgo1.21.5	Success	227,060+1.54 RP
Dec 11, 2023 15:01	Oleg Kovalov	GOgo1.21.5	Success	235,310+42.50 RP
Dec 7, 2023 12:21	matsuoka-601	CPPg++9.3.0	Error
Dec 7, 2023 12:17	matsuoka-601	CPPg++9.3.0	Error
Dec 7, 2023 12:17	matsuoka-601	CPPg++9.3.0	Error
Dec 2, 2023 12:42	Vitaliy Kamalin	CSHARP8.0.0	Success	313,866+31.86 RP
Nov 30, 2023 09:38	OwenChung03	RUSTrust-1.74.0	Error
Nov 26, 2023 22:15	mmalczak	CPPg++9.3.0	Success	464,913+21.51 RP
Nov 22, 2023 13:13	matsuoka-601	CPPg++9.3.0	Error
Nov 22, 2023 13:13	matsuoka-601	CPPclang++10.0.0	Error
Nov 22, 2023 13:12	matsuoka-601	CPPclang++10.0.0	Error
Nov 22, 2023 13:10	matsuoka-601	CPPclang++10.0.0	Error
Nov 22, 2023 13:08	matsuoka-601	CPPclang++10.0.0	Error
Nov 22, 2023 13:08	matsuoka-601	CPPclang++10.0.0	Error
Nov 22, 2023 13:08	matsuoka-601	CPPclang++10.0.0	Error
Nov 22, 2023 13:07	matsuoka-601	CPPclang++10.0.0	Error
Oct 17, 2023 04:35	matsuoka-601	CPPclang++10.0.0	Error
Oct 17, 2023 04:31	matsuoka-601	CPPclang++10.0.0	Error
Oct 17, 2023 04:31	matsuoka-601	CPPclang++10.0.0	Error
Oct 17, 2023 04:30	matsuoka-601	CPPclang++10.0.0	Error
Oct 17, 2023 04:26	matsuoka-601	CPPg++9.3.0	Error
Oct 17, 2023 04:26	matsuoka-601	CPPclang++10.0.0	Error
Oct 17, 2023 04:24	matsuoka-601	CPPclang++10.0.0	Error
Oct 17, 2023 04:24	matsuoka-601	CPPclang++10.0.0	Error
Oct 9, 2023 02:50	sliceteam	CPPg++9.3.0	Success	466,514+21.44 RP
Oct 6, 2023 14:22	Cadovvl	CPPg++9.3.0	Error
Oct 6, 2023 14:19	Cadovvl	CPPg++9.3.0	Success	137,114
Oct 6, 2023 14:16	Cadovvl	CPPg++9.3.0	Error
Oct 6, 2023 14:15	Cadovvl	CPPg++9.3.0	Error
Oct 6, 2023 14:13	Cadovvl	CPPg++9.3.0	Error
Oct 6, 2023 13:57	Cadovvl	CPPg++9.3.0	Success	127,826
Oct 6, 2023 12:22	Cadovvl	CPPg++9.3.0	Success	131,585
Oct 6, 2023 12:19	Cadovvl	CPPg++9.3.0	Success	135,727
Oct 6, 2023 12:17	Cadovvl	CPPg++9.3.0	Error
Oct 6, 2023 12:16	Cadovvl	CPPg++9.3.0	Error
Oct 6, 2023 12:12	Cadovvl	CPPg++9.3.0	Error
Oct 6, 2023 11:25	Cadovvl	CPPg++9.3.0	Error
Oct 6, 2023 11:24	Cadovvl	CPPg++9.3.0	Error
Oct 6, 2023 11:07	Cadovvl	CPPg++9.3.0	Success	128,268
Oct 6, 2023 11:06	Cadovvl	CPPg++9.3.0	Error
Oct 6, 2023 11:05	Cadovvl	CPPg++9.3.0	Error
Oct 6, 2023 11:01	Cadovvl	CPPg++9.3.0	Success	126,964+30.38 RP
Oct 6, 2023 10:59	Cadovvl	CPPg++9.3.0	Success	206,670+20.64 RP
Oct 6, 2023 10:57	Cadovvl	CPPg++9.3.0	Success	360,421+6.22 RP
Oct 6, 2023 10:56	Cadovvl	CPPg++9.3.0	Error
Oct 6, 2023 10:55	Cadovvl	CPPg++9.3.0	Error
Oct 6, 2023 10:52	Cadovvl	CPPg++9.3.0	Error
Oct 6, 2023 10:48	Cadovvl	CPPg++9.3.0	Error
Oct 6, 2023 10:40	Cadovvl	CPPg++9.3.0	Error
Oct 6, 2023 10:38	Cadovvl	CPPg++9.3.0	Error
Oct 6, 2023 10:35	Cadovvl	CPPg++9.3.0	Error
Oct 6, 2023 10:18	Cadovvl	CPPg++9.3.0	Error
Oct 6, 2023 10:15	Cadovvl	CPPg++9.3.0	Error
Oct 6, 2023 10:13	Cadovvl	CPPg++9.3.0	Error
Oct 6, 2023 10:13	Cadovvl	CPPg++9.3.0	Error
Oct 6, 2023 10:12	Cadovvl	CPPg++9.3.0	Error
Oct 3, 2023 10:43	matsuoka-601	CPPclang++10.0.0	Error
Oct 3, 2023 10:42	matsuoka-601	CPPclang++10.0.0	Error
Oct 1, 2023 22:27	apuxbt	CPPg++9.3.0	Success	18,013+147.59 RP
Oct 1, 2023 13:10	apuxbt	CPPg++9.3.0	Error
Oct 1, 2023 13:09	apuxbt	CPPg++9.3.0	Error
Oct 1, 2023 13:09	apuxbt	CPPg++9.3.0	Success	24,536+130.12 RP
Oct 1, 2023 13:00	apuxbt	CPPg++9.3.0	Error
Oct 1, 2023 12:57	apuxbt	CPPg++9.3.0	Success	36,043+216.87 RP
Oct 1, 2023 12:56	apuxbt	CPPg++9.3.0	Error
Oct 1, 2023 12:54	apuxbt	CPPg++9.3.0	Error
Oct 1, 2023 12:50	apuxbt	CPPg++9.3.0	Error
Oct 1, 2023 12:48	apuxbt	CPPg++9.3.0	Error
Oct 1, 2023 12:46	apuxbt	CPPg++9.3.0	Error
Sep 30, 2023 03:09	Ng Song Guan	CPPg++9.3.0	Success	154,222
Sep 30, 2023 03:04	Ng Song Guan	CPPg++9.3.0	Success	153,702+65.06 RP
Sep 30, 2023 03:03	Ng Song Guan	CPPg++9.3.0	Error
Sep 30, 2023 03:00	Ng Song Guan	CPPg++9.3.0	Error
Sep 30, 2023 02:58	Ng Song Guan	CPPg++9.3.0	Error
Sep 30, 2023 02:57	Ng Song Guan	CPPg++9.3.0	Error
Sep 25, 2023 23:27	Iheb	CPPg++9.3.0	Success	464,162+0.03 RP
Sep 25, 2023 23:27	Iheb	CPPg++9.3.0	Success	464,783+21.52 RP
Sep 25, 2023 08:32	Koute	RUSTrust-1.72.1	Success	60,276+165.90 RP
Sep 25, 2023 08:30	Koute	RUSTrust-1.72.1	Error
Sep 25, 2023 08:27	Koute	RUSTrust-1.72.1	Error
Sep 25, 2023 08:26	Koute	RUSTrust-1.72.1	Error
Sep 25, 2023 08:23	Koute	RUSTrust-1.72.1	Error
Sep 25, 2023 04:50	dgq	CPPclang++10.0.0	Error
Sep 25, 2023 04:48	dgq	CPPclang++10.0.0	Error
Sep 25, 2023 04:47	dgq	CPPclang++10.0.0	Success	466,667+21.43 RP
Sep 24, 2023 14:44	Cadovvl	CPPg++9.3.0	Success	464,496+0.01 RP
Sep 20, 2023 11:46	matsuoka-601	CPPclang++10.0.0	Error
Sep 20, 2023 11:45	matsuoka-601	CPPclang++10.0.0	Error
Sep 20, 2023 11:44	matsuoka-601	CPPclang++10.0.0	Error
Sep 20, 2023 11:43	matsuoka-601	CPPclang++10.0.0	Error

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