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
Jan 22, 2025 21:58	Miriam Vellacott	RUSTrust-1.84.0	Success	101,943
Jan 22, 2025 21:57	Miriam Vellacott	RUSTrust-1.84.0	Success	530,856
Jan 22, 2025 21:48	Miriam Vellacott	RUSTrust-1.84.0	Success	96,643+66.13 RP
Jan 22, 2025 21:46	Miriam Vellacott	RUSTrust-1.84.0	Success	267,800+37.34 RP
Jan 22, 2025 21:45	Miriam Vellacott	RUSTrust-1.84.0	Error
Jan 22, 2025 20:47	Gerard Smit	CSHARP9.0.1	Success	147,676+0.80 RP
Jan 22, 2025 20:45	Gerard Smit	CSHARP9.0.1	Success	310,076
Jan 22, 2025 20:39	Gerard Smit	CSHARP9.0.1	Success	150,648
Jan 22, 2025 20:36	Gerard Smit	CSHARP9.0.1	Success	149,437+4.95 RP
Jan 22, 2025 20:33	Gerard Smit	CSHARP9.0.1	Error
Jan 22, 2025 01:56	Gerard Smit	CSHARP9.0.1	Success	161,365+0.88 RP
Jan 22, 2025 01:56	Gerard Smit	CSHARP9.0.1	Error
Jan 22, 2025 01:53	Gerard Smit	CSHARP9.0.1	Error
Jan 22, 2025 01:51	Gerard Smit	CSHARP9.0.1	Success	166,508
Jan 22, 2025 01:50	Gerard Smit	CSHARP9.0.1	Success	219,692
Jan 22, 2025 01:44	Gerard Smit	CSHARP9.0.1	Error
Jan 22, 2025 01:41	Gerard Smit	CSHARP9.0.1	Error
Jan 22, 2025 01:38	Gerard Smit	CSHARP9.0.1	Error
Jan 22, 2025 01:36	Gerard Smit	CSHARP9.0.1	Error
Jan 22, 2025 00:41	Gerard Smit	CSHARP9.0.1	Success	163,680+61.09 RP
Jan 22, 2025 00:34	Gerard Smit	CSHARP9.0.1	Error
Jan 21, 2025 13:32	Cameron Aavik	CSHARP9.0.1	Success	33,301
Jan 21, 2025 13:30	Cameron Aavik	CSHARP9.0.1	Success	32,485
Jan 21, 2025 13:28	Cameron Aavik	CSHARP9.0.1	Success	32,479
Jan 21, 2025 13:26	Cameron Aavik	CSHARP9.0.1	Success	32,492
Jan 21, 2025 13:23	Cameron Aavik	CSHARP9.0.1	Success	36,531
Jan 21, 2025 13:21	Cameron Aavik	CSHARP9.0.1	Success	31,911+55.72 RP
Jan 21, 2025 13:18	Cameron Aavik	CSHARP9.0.1	Success	35,198
Jan 21, 2025 13:12	Cameron Aavik	CSHARP9.0.1	Success	35,025+456.24 RP
Jan 21, 2025 13:04	Cameron Aavik	CSHARP9.0.1	Error
Jan 21, 2025 10:38	Cameron Aavik	CSHARP9.0.1	Error
Jan 21, 2025 10:29	Cameron Aavik	CSHARP9.0.1	Error
Jan 21, 2025 10:14	Cameron Aavik	CSHARP9.0.1	Error
Jan 21, 2025 07:34	NoSIMD_C#	CSHARP9.0.1	Success	88,620
Jan 19, 2025 00:37	Ian Mckibben	CPPg++13.2.0	Success	27,296+8.46 RP
Jan 19, 2025 00:36	Ian Mckibben	CPPclang++18.1.3	Success	28,079
Jan 19, 2025 00:36	Ian Mckibben	CPPg++13.2.0	Error
Jan 19, 2025 00:36	Ian Mckibben	CPPclang++18.1.3	Error
Jan 18, 2025 05:17	Ian Mckibben	CPPg++13.2.0	Error
Jan 18, 2025 05:17	Ian Mckibben	CPPg++13.2.0	Success	31,049
Jan 18, 2025 05:16	Ian Mckibben	CPPg++13.2.0	Error
Jan 16, 2025 06:25	Ian Mckibben	CPPg++13.2.0	Success	28,095
Jan 16, 2025 06:25	Ian Mckibben	CPPg++13.2.0	Success	27,989
Jan 16, 2025 06:23	Ian Mckibben	CPPg++13.2.0	Error
Jan 16, 2025 06:22	Ian Mckibben	CPPg++13.2.0	Error
Jan 16, 2025 02:08	Ian Mckibben	CPPg++13.2.0	Success	27,941+0.82 RP
Jan 16, 2025 02:00	Ian Mckibben	CPPg++13.2.0	Success	28,005+12.00 RP
Jan 16, 2025 01:56	Ian Mckibben	CPPclang++18.1.3	Success	28,979+9.43 RP
Jan 16, 2025 01:53	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 08:36	Ian Mckibben	CPPclang++18.1.3	Success	29,793+8.36 RP
Jan 13, 2025 08:32	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 08:30	Ian Mckibben	CPPclang++18.1.3	Success	30,554+0.63 RP
Jan 13, 2025 08:28	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 08:28	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 08:26	Ian Mckibben	CPPclang++18.1.3	Success	31,158
Jan 13, 2025 08:21	Ian Mckibben	CPPclang++18.1.3	Success	30,626
Jan 11, 2025 03:34	Ian Mckibben	CPPclang++18.1.3	Error
Jan 11, 2025 01:23	Ian Mckibben	CPPclang++18.1.3	Success	30,616
Jan 11, 2025 01:20	Ian Mckibben	CPPclang++18.1.3	Success	30,613+112.20 RP
Jan 11, 2025 00:57	Ian Mckibben	CPPclang++18.1.3	Success	46,630+1.11 RP
Jan 11, 2025 00:49	Ian Mckibben	CPPclang++18.1.3	Success	46,873+85.69 RP
Jan 11, 2025 00:40	Ian Mckibben	CPPclang++18.1.3	Success	78,340+0.04 RP
Jan 11, 2025 00:18	Ian Mckibben	CPPg++13.2.0	Success	78,365+0.13 RP
Jan 11, 2025 00:16	Ian Mckibben	CPPg++13.2.0	Success	78,445+0.35 RP
Jan 11, 2025 00:10	Ian Mckibben	CPPclang++18.1.3	Success	78,663+11.27 RP
Jan 11, 2025 00:05	Ian Mckibben	CPPclang++18.1.3	Success	86,312+0.27 RP
Jan 11, 2025 00:02	Ian Mckibben	CPPclang++18.1.3	Success	86,517+0.18 RP
Jan 10, 2025 23:58	Ian Mckibben	CPPclang++18.1.3	Success	86,655+38.57 RP
Jan 10, 2025 23:41	Ian Mckibben	CPPclang++18.1.3	Error
Jan 10, 2025 23:38	Ian Mckibben	CPPclang++18.1.3	Success	148,842
Jan 10, 2025 23:36	Ian Mckibben	CPPclang++18.1.3	Success	171,363
Jan 10, 2025 23:35	Ian Mckibben	CPPclang++18.1.3	Error
Jan 10, 2025 23:34	Ian Mckibben	CPPclang++18.1.3	Error
Jan 10, 2025 23:31	Ian Mckibben	CPPclang++18.1.3	Error
Jan 10, 2025 23:27	Ian Mckibben	CPPclang++18.1.3	Error
Jan 10, 2025 23:04	Ian Mckibben	CPPclang++18.1.3	Error
Jan 10, 2025 22:52	Ian Mckibben	CPPclang++18.1.3	Error
Jan 10, 2025 22:51	Ian Mckibben	CPPclang++18.1.3	Error
Jan 10, 2025 22:39	Ian Mckibben	CPPclang++18.1.3	Success	130,165+3.14 RP
Jan 10, 2025 03:17	Ian Mckibben	CPPclang++18.1.3	Success	252,953
Jan 10, 2025 03:14	Ian Mckibben	CPPclang++18.1.3	Success	245,154
Jan 10, 2025 03:13	Ian Mckibben	CPPclang++18.1.3	Error
Jan 10, 2025 02:55	Ian Mckibben	CPPclang++18.1.3	Success	135,707+4.88 RP
Jan 10, 2025 01:53	Ian Mckibben	CPPclang++18.1.3	Success	208,866
Jan 10, 2025 01:52	Ian Mckibben	CPPclang++18.1.3	Success	448,065
Jan 9, 2025 11:07	Ian Mckibben	CPPclang++18.1.3	Success	145,338+6.52 RP
Jan 9, 2025 11:06	Ian Mckibben	CPPclang++18.1.3	Success	190,725
Jan 9, 2025 11:03	Ian Mckibben	CPPclang++18.1.3	Success	193,221
Jan 9, 2025 11:00	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 10:57	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 10:53	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 10:50	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 10:49	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 10:35	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 10:33	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 10:28	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 10:25	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 10:25	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 10:24	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 10:23	Ian Mckibben	CPPclang++18.1.3	Error

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