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 22, 2026 18:29	Victor Mercklé	CPPg++13.3.0	Success	5,044
Jun 22, 2026 18:24	Victor Mercklé	CPPg++13.3.0	Success	4,995+15.51 RP
Jun 22, 2026 18:14	Victor Mercklé	CPPg++13.3.0	Success	5,055
Jun 22, 2026 18:09	Victor Mercklé	CPPg++13.3.0	Error
Jun 22, 2026 17:50	Victor Mercklé	CPPg++13.3.0	Success	5,150
Jun 22, 2026 17:26	Victor Mercklé	CPPg++13.3.0	Success	5,065
Jun 22, 2026 17:21	Victor Mercklé	CPPg++13.3.0	Success	5,918
Jun 22, 2026 17:12	Victor Mercklé	CPPg++13.3.0	Success	5,086
Jun 22, 2026 17:07	Victor Mercklé	CPPg++13.3.0	Success	5,086
Jun 22, 2026 17:02	Victor Mercklé	CPPg++13.3.0	Success	5,583
Jun 22, 2026 16:56	Victor Mercklé	CPPg++13.3.0	Success	5,172
Jun 22, 2026 16:51	Victor Mercklé	CPPg++13.3.0	Success	5,180
Jun 22, 2026 12:46	Victor Mercklé	CPPg++13.3.0	Success	5,034
Jun 22, 2026 12:39	Victor Mercklé	CPPg++13.3.0	Success	5,037
Jun 22, 2026 12:34	Victor Mercklé	CPPg++13.3.0	Success	5,034+2.76 RP
Jun 22, 2026 12:26	Victor Mercklé	CPPg++13.3.0	Success	5,482
Jun 22, 2026 12:19	Victor Mercklé	CPPg++13.3.0	Success	5,059
Jun 22, 2026 12:14	Victor Mercklé	CPPg++13.3.0	Success	5,062
Jun 22, 2026 12:09	Victor Mercklé	CPPg++13.3.0	Success	5,599
Jun 22, 2026 12:04	Victor Mercklé	CPPg++13.3.0	Success	5,171
Jun 22, 2026 11:58	Victor Mercklé	CPPg++13.3.0	Success	6,629
Jun 22, 2026 11:53	Victor Mercklé	CPPg++13.3.0	Success	5,588
Jun 22, 2026 11:24	Victor Mercklé	CPPg++13.3.0	Success	5,041+4.71 RP
Jun 22, 2026 11:19	Victor Mercklé	CPPg++13.3.0	Success	5,060
Jun 22, 2026 11:14	Victor Mercklé	CPPg++13.3.0	Success	5,053+10.91 RP
Jun 22, 2026 11:09	Victor Mercklé	CPPg++13.3.0	Success	5,081+25.24 RP
Jun 22, 2026 11:01	Victor Mercklé	CPPg++13.3.0	Success	5,283
Jun 22, 2026 10:46	Victor Mercklé	CPPg++13.3.0	Success	5,349
Jun 22, 2026 10:41	Victor Mercklé	CPPg++13.3.0	Success	5,164
Jun 22, 2026 10:36	Victor Mercklé	CPPg++13.3.0	Success	5,147+23.86 RP
Jun 22, 2026 10:30	Victor Mercklé	CPPg++13.3.0	Success	5,342
Jun 22, 2026 10:25	Victor Mercklé	CPPg++13.3.0	Success	5,695
Jun 22, 2026 10:17	Victor Mercklé	CPPg++13.3.0	Success	5,241
Jun 22, 2026 10:11	Victor Mercklé	CPPg++13.3.0	Success	5,211+12.08 RP
Jun 22, 2026 10:06	Victor Mercklé	CPPg++13.3.0	Success	5,246
Jun 22, 2026 09:59	Victor Mercklé	CPPg++13.3.0	Success	5,282
Jun 22, 2026 09:55	Victor Mercklé	CPPg++13.3.0	Success	5,261
Jun 22, 2026 09:49	Victor Mercklé	CPPg++13.3.0	Success	5,244+3.99 RP
Jun 22, 2026 09:44	Victor Mercklé	CPPg++13.3.0	Success	5,281
Jun 22, 2026 09:39	Victor Mercklé	CPPg++13.3.0	Success	5,491
Jun 22, 2026 09:31	Victor Mercklé	CPPg++13.3.0	Success	5,255+271.10 RP
Jun 22, 2026 09:25	Victor Mercklé	CPPg++13.3.0	Success	6,305
Jun 22, 2026 09:20	Victor Mercklé	CPPg++13.3.0	Success	6,517
Jun 22, 2026 09:12	Victor Mercklé	CPPg++13.3.0	Success	6,649
Jun 22, 2026 09:07	Victor Mercklé	CPPg++13.3.0	Success	6,181
Jun 22, 2026 08:50	Victor Mercklé	CPPg++13.3.0	Success	9,053
Jun 22, 2026 08:44	Victor Mercklé	CPPg++13.3.0	Success	6,188
Jun 22, 2026 08:39	Victor Mercklé	CPPg++13.3.0	Success	6,420
Jun 22, 2026 08:26	Victor Mercklé	CPPg++13.3.0	Success	6,153
Jun 22, 2026 08:20	Victor Mercklé	CPPg++13.3.0	Success	6,464
Jun 22, 2026 08:06	Victor Mercklé	CPPg++13.3.0	Success	6,436
Jun 22, 2026 07:50	Victor Mercklé	CPPg++13.3.0	Success	8,269
Jun 22, 2026 07:43	Victor Mercklé	CPPg++13.3.0	Success	6,188
Jun 22, 2026 07:38	Victor Mercklé	CPPg++13.3.0	Success	6,140
Jun 22, 2026 07:33	Victor Mercklé	CPPg++13.3.0	Success	6,173
Jun 22, 2026 07:28	Victor Mercklé	CPPg++13.3.0	Success	6,190
Jun 22, 2026 07:23	Victor Mercklé	CPPg++13.3.0	Success	6,149
Jun 22, 2026 07:15	Victor Mercklé	CPPg++13.3.0	Success	6,138
Jun 22, 2026 07:08	Victor Mercklé	CPPg++13.3.0	Success	6,246
Jun 22, 2026 07:03	Victor Mercklé	CPPg++13.3.0	Success	6,504
Jun 22, 2026 06:58	Victor Mercklé	CPPg++13.3.0	Success	6,190
Jun 22, 2026 06:53	Victor Mercklé	CPPg++13.3.0	Success	6,128+3.98 RP
Jun 22, 2026 06:44	Victor Mercklé	CPPg++13.3.0	Success	6,230
Jun 22, 2026 06:39	Victor Mercklé	CPPg++13.3.0	Success	6,522
Jun 22, 2026 06:31	Victor Mercklé	CPPg++13.3.0	Success	7,159
Jun 22, 2026 05:27	Victor Mercklé	CPPg++13.3.0	Success	6,171
Jun 22, 2026 05:22	Victor Mercklé	CPPg++13.3.0	Success	6,156
Jun 22, 2026 05:17	Victor Mercklé	CPPg++13.3.0	Success	6,170
Jun 22, 2026 05:12	Victor Mercklé	CPPg++13.3.0	Success	6,226
Jun 22, 2026 05:03	Victor Mercklé	CPPg++13.3.0	Success	6,203
Jun 22, 2026 04:56	Victor Mercklé	CPPg++13.3.0	Success	6,183
Jun 22, 2026 04:46	Victor Mercklé	CPPg++13.3.0	Success	7,183
Jun 22, 2026 04:41	Victor Mercklé	CPPg++13.3.0	Success	6,178
Jun 22, 2026 04:30	Victor Mercklé	CPPg++13.3.0	Success	7,850
Jun 22, 2026 04:12	Victor Mercklé	CPPg++13.3.0	Success	7,243
Jun 22, 2026 04:04	Victor Mercklé	CPPg++13.3.0	Success	6,585
Jun 22, 2026 03:59	Victor Mercklé	CPPg++13.3.0	Success	6,319
Jun 22, 2026 03:53	Victor Mercklé	CPPg++13.3.0	Success	7,098
Jun 22, 2026 03:48	Victor Mercklé	CPPg++13.3.0	Success	6,324
Jun 22, 2026 03:43	Victor Mercklé	CPPg++13.3.0	Success	6,749
Jun 22, 2026 03:35	Victor Mercklé	CPPg++13.3.0	Success	6,152
Jun 22, 2026 03:30	Victor Mercklé	CPPg++13.3.0	Success	6,148
Jun 22, 2026 03:24	Victor Mercklé	CPPg++13.3.0	Success	7,252
Jun 22, 2026 03:19	Victor Mercklé	CPPg++13.3.0	Success	7,339
Jun 22, 2026 03:11	Victor Mercklé	CPPg++13.3.0	Success	6,218
Jun 22, 2026 03:00	Victor Mercklé	CPPg++13.3.0	Success	6,176
Jun 22, 2026 02:55	Victor Mercklé	CPPg++13.3.0	Success	6,144
Jun 22, 2026 02:47	Victor Mercklé	CPPg++13.3.0	Success	7,012
Jun 22, 2026 02:36	Victor Mercklé	CPPg++13.3.0	Success	6,166
Jun 21, 2026 23:36	A_Shaman	CPPg++10.5.0	Error
Jun 21, 2026 23:32	A_Shaman	CPPg++10.5.0	Error
Jun 21, 2026 23:29	A_Shaman	CPPg++10.5.0	Error
Jun 21, 2026 23:27	A_Shaman	CPPg++10.5.0	Error
Jun 21, 2026 23:24	A_Shaman	CPPg++10.5.0	Error
Jun 21, 2026 23:22	A_Shaman	CPPg++10.5.0	Error
Jun 21, 2026 23:18	A_Shaman	CPPg++10.5.0	Error
Jun 21, 2026 23:15	A_Shaman	CPPg++10.5.0	Error
Jun 21, 2026 23:12	A_Shaman	CPPg++10.5.0	Error
Jun 21, 2026 23:09	A_Shaman	CPPg++10.5.0	Error
Jun 21, 2026 22:23	Victor Mercklé	CPPg++13.3.0	Success	6,148

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