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
Jun 21, 2026 06:29	Victor Mercklé	CPPg++13.3.0	Success	6,275+7.83 RP
Jun 21, 2026 06:24	Victor Mercklé	CPPg++13.3.0	Success	6,306+0.25 RP
Jun 21, 2026 06:19	Victor Mercklé	CPPg++13.3.0	Success	7,716
Jun 21, 2026 06:14	Victor Mercklé	CPPg++13.3.0	Success	6,337
Jun 21, 2026 06:09	Victor Mercklé	CPPg++13.3.0	Success	6,329
Jun 21, 2026 06:04	Victor Mercklé	CPPg++13.3.0	Error
Jun 21, 2026 05:59	Victor Mercklé	CPPg++13.3.0	Success	6,307+2.01 RP
Jun 21, 2026 05:54	Victor Mercklé	CPPg++13.3.0	Success	6,315+2.75 RP
Jun 21, 2026 05:45	Victor Mercklé	CPPg++13.3.0	Success	6,326+1.50 RP
Jun 21, 2026 05:40	Victor Mercklé	CPPg++13.3.0	Success	6,337
Jun 21, 2026 05:35	Victor Mercklé	CPPg++13.3.0	Success	6,373
Jun 21, 2026 05:30	Victor Mercklé	CPPg++13.3.0	Success	6,499
Jun 21, 2026 05:20	Victor Mercklé	CPPg++13.3.0	Success	6,756
Jun 21, 2026 05:03	Victor Mercklé	CPPg++13.3.0	Success	6,709
Jun 21, 2026 04:58	Victor Mercklé	CPPg++13.3.0	Success	6,496
Jun 21, 2026 04:53	Victor Mercklé	CPPg++13.3.0	Success	6,346
Jun 21, 2026 04:48	Victor Mercklé	CPPg++13.3.0	Success	6,393
Jun 21, 2026 04:42	Victor Mercklé	CPPg++13.3.0	Success	6,376
Jun 21, 2026 04:37	Victor Mercklé	CPPg++13.3.0	Success	7,833
Jun 21, 2026 04:31	Victor Mercklé	CPPg++13.3.0	Success	6,371
Jun 21, 2026 04:20	Victor Mercklé	CPPg++13.3.0	Success	6,332+10.41 RP
Jun 21, 2026 04:13	Victor Mercklé	CPPg++13.3.0	Success	6,602
Jun 21, 2026 04:02	Victor Mercklé	CPPg++13.3.0	Success	6,515
Jun 21, 2026 03:57	Victor Mercklé	CPPg++13.3.0	Success	7,356
Jun 21, 2026 03:50	Victor Mercklé	CPPg++13.3.0	Success	6,524
Jun 21, 2026 03:45	Victor Mercklé	CPPg++13.3.0	Success	6,405
Jun 21, 2026 03:40	Victor Mercklé	CPPg++13.3.0	Success	6,428
Jun 21, 2026 03:35	Victor Mercklé	CPPg++13.3.0	Success	6,381
Jun 21, 2026 03:28	Victor Mercklé	CPPg++13.3.0	Success	7,511
Jun 21, 2026 03:14	Victor Mercklé	CPPg++13.3.0	Success	6,458
Jun 21, 2026 03:07	Victor Mercklé	CPPg++13.3.0	Success	9,113
Jun 21, 2026 03:02	Victor Mercklé	CPPg++13.3.0	Success	7,424
Jun 21, 2026 02:53	Victor Mercklé	CPPg++13.3.0	Success	6,421
Jun 21, 2026 02:41	Victor Mercklé	CPPg++13.3.0	Success	6,522
Jun 21, 2026 02:36	Victor Mercklé	CPPg++13.3.0	Success	6,447
Jun 21, 2026 00:13	Victor Mercklé	CPPg++13.3.0	Success	6,798
Jun 21, 2026 00:06	Victor Mercklé	CPPg++13.3.0	Success	10,287
Jun 21, 2026 00:01	Victor Mercklé	CPPg++13.3.0	Success	7,151
Jun 20, 2026 23:56	Victor Mercklé	CPPg++13.3.0	Success	7,926
Jun 20, 2026 23:51	Victor Mercklé	CPPg++13.3.0	Success	6,759
Jun 20, 2026 23:46	Victor Mercklé	CPPg++13.3.0	Error
Jun 20, 2026 23:31	Victor Mercklé	CPPg++13.3.0	Success	6,745
Jun 20, 2026 22:19	Victor Mercklé	CPPg++13.3.0	Success	10,389
Jun 20, 2026 22:13	Victor Mercklé	CPPg++13.3.0	Success	6,563
Jun 20, 2026 22:08	Victor Mercklé	CPPg++13.3.0	Success	6,562
Jun 20, 2026 22:03	Victor Mercklé	CPPg++13.3.0	Success	6,638
Jun 20, 2026 21:57	Victor Mercklé	CPPg++13.3.0	Success	7,472
Jun 20, 2026 21:45	Victor Mercklé	CPPg++13.3.0	Success	8,060
Jun 20, 2026 21:40	Victor Mercklé	CPPg++13.3.0	Success	6,421
Jun 20, 2026 21:34	Victor Mercklé	CPPg++13.3.0	Success	6,477
Jun 20, 2026 21:27	Victor Mercklé	CPPg++13.3.0	Success	6,514
Jun 20, 2026 21:14	Victor Mercklé	CPPg++13.3.0	Success	7,261
Jun 20, 2026 21:08	Victor Mercklé	CPPg++13.3.0	Success	6,819
Jun 20, 2026 20:59	Victor Mercklé	CPPg++13.3.0	Success	9,102
Jun 20, 2026 20:41	Victor Mercklé	CPPg++13.3.0	Success	8,715
Jun 20, 2026 20:36	Victor Mercklé	CPPg++13.3.0	Success	7,079
Jun 20, 2026 20:33	A_Shaman	CPPg++10.5.0	Success	152,400
Jun 20, 2026 20:29	A_Shaman	CPPg++10.5.0	Success	132,743
Jun 20, 2026 20:28	Victor Mercklé	CPPg++13.3.0	Success	10,157
Jun 20, 2026 20:25	A_Shaman	CPPg++10.5.0	Success	67,606
Jun 20, 2026 20:23	A_Shaman	CPPg++10.5.0	Success	64,689+154.59 RP
Jun 20, 2026 20:20	A_Shaman	CPPg++10.5.0	Error
Jun 20, 2026 20:16	Victor Mercklé	CPPg++13.3.0	Success	11,446
Jun 20, 2026 20:10	Victor Mercklé	CPPg++13.3.0	Success	7,914
Jun 20, 2026 19:54	Victor Mercklé	CPPg++13.3.0	Success	6,590
Jun 20, 2026 19:49	Victor Mercklé	CPPg++13.3.0	Success	6,581
Jun 20, 2026 19:39	Victor Mercklé	CPPg++13.3.0	Success	6,527
Jun 20, 2026 19:31	Victor Mercklé	CPPg++13.3.0	Success	6,473
Jun 20, 2026 19:23	Victor Mercklé	CPPg++13.3.0	Success	6,427
Jun 20, 2026 19:15	Victor Mercklé	CPPg++13.3.0	Success	6,437
Jun 20, 2026 19:08	Victor Mercklé	CPPg++13.3.0	Success	6,436
Jun 20, 2026 19:02	Victor Mercklé	CPPg++13.3.0	Success	7,516
Jun 20, 2026 18:56	Victor Mercklé	CPPg++13.3.0	Success	6,542
Jun 20, 2026 18:51	Victor Mercklé	CPPg++13.3.0	Success	7,178
Jun 20, 2026 18:40	Victor Mercklé	CPPg++13.3.0	Success	6,508
Jun 20, 2026 18:32	Victor Mercklé	CPPg++13.3.0	Success	6,460
Jun 20, 2026 18:27	Victor Mercklé	CPPg++13.3.0	Success	6,431
Jun 20, 2026 18:21	Victor Mercklé	CPPg++13.3.0	Success	7,162
Jun 20, 2026 18:11	Victor Mercklé	CPPg++13.3.0	Success	6,447
Jun 20, 2026 18:04	Victor Mercklé	CPPg++13.3.0	Success	6,589
Jun 20, 2026 17:54	Victor Mercklé	CPPg++13.3.0	Success	6,591
Jun 20, 2026 17:49	Victor Mercklé	CPPg++13.3.0	Success	7,015
Jun 20, 2026 17:41	Victor Mercklé	CPPg++13.3.0	Success	9,349
Jun 20, 2026 17:36	Victor Mercklé	CPPg++13.3.0	Success	9,161
Jun 20, 2026 17:29	Victor Mercklé	CPPg++13.3.0	Success	6,565
Jun 20, 2026 17:10	Victor Mercklé	CPPg++13.3.0	Success	6,419
Jun 20, 2026 17:05	Victor Mercklé	CPPg++13.3.0	Success	6,438
Jun 20, 2026 16:57	Victor Mercklé	CPPg++13.3.0	Success	10,207
Jun 20, 2026 16:52	Victor Mercklé	CPPg++13.3.0	Success	6,408
Jun 20, 2026 16:47	Victor Mercklé	CPPg++13.3.0	Success	6,454
Jun 20, 2026 16:42	Victor Mercklé	CPPg++13.3.0	Success	12,340
Jun 20, 2026 16:37	Victor Mercklé	CPPg++13.3.0	Success	8,797
Jun 20, 2026 16:06	Victor Mercklé	CPPg++13.3.0	Success	6,483
Jun 20, 2026 16:01	Victor Mercklé	CPPg++13.3.0	Success	6,423
Jun 20, 2026 15:52	Victor Mercklé	CPPg++13.3.0	Success	9,135
Jun 20, 2026 15:46	Victor Mercklé	CPPg++13.3.0	Success	8,768
Jun 20, 2026 15:31	Victor Mercklé	CPPg++13.3.0	Success	6,722
Jun 20, 2026 15:17	Victor Mercklé	CPPg++13.3.0	Success	6,869
Jun 20, 2026 15:10	Victor Mercklé	CPPg++13.3.0	Success	6,655
Jun 20, 2026 15:05	Victor Mercklé	CPPg++13.3.0	Success	7,340

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