Unique strings v2

Same problem as Unique strings, but with 3 CPUs available and scoring based on wall time instead of CPU time.

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 3 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
Apr 29, 2026 13:32	TudyM	CPPclang++20.1.2	Success	11,340
Apr 29, 2026 01:51	Charles Cabergs	CPPg++13.3.0	Success	12,133+10.00 RP
Apr 28, 2026 22:12	Victor Mercklé	CPPg++14.2.0	Success	9,047
Apr 28, 2026 22:05	Victor Mercklé	CPPg++14.2.0	Success	9,208
Apr 28, 2026 21:58	Victor Mercklé	CPPg++14.2.0	Success	11,413
Apr 28, 2026 21:51	Victor Mercklé	CPPg++14.2.0	Success	14,954
Apr 28, 2026 21:44	Victor Mercklé	CPPg++14.2.0	Success	9,377
Apr 28, 2026 21:37	Victor Mercklé	CPPg++14.2.0	Success	9,459
Apr 28, 2026 21:16	olliecrow	GOgo1.26.2	Success	7,974
Apr 28, 2026 19:21	olliecrow	GOgo1.26.2	Success	13,147
Apr 28, 2026 19:15	Victor Mercklé	CPPg++14.2.0	Success	40,622
Apr 28, 2026 19:08	Victor Mercklé	CPPg++14.2.0	Success	16,613
Apr 28, 2026 19:01	Victor Mercklé	CPPg++14.2.0	Success	8,363
Apr 28, 2026 18:54	Victor Mercklé	CPPg++14.2.0	Success	8,708
Apr 28, 2026 18:47	Victor Mercklé	CPPg++14.2.0	Success	8,703
Apr 28, 2026 18:40	Victor Mercklé	CPPg++14.2.0	Success	7,836
Apr 28, 2026 18:33	Victor Mercklé	CPPg++14.2.0	Success	17,716
Apr 28, 2026 18:26	Victor Mercklé	CPPg++14.2.0	Success	17,494
Apr 28, 2026 18:19	Victor Mercklé	CPPg++14.2.0	Success	20,883
Apr 28, 2026 18:12	Victor Mercklé	CPPg++14.2.0	Success	6,997
Apr 28, 2026 18:05	Victor Mercklé	CPPg++14.2.0	Success	7,081
Apr 28, 2026 17:58	Victor Mercklé	CPPg++14.2.0	Success	9,487
Apr 28, 2026 17:51	Victor Mercklé	CPPg++14.2.0	Success	6,937
Apr 28, 2026 17:44	Victor Mercklé	CPPg++14.2.0	Success	7,439
Apr 28, 2026 17:37	Victor Mercklé	CPPg++14.2.0	Success	6,018
Apr 28, 2026 17:30	Victor Mercklé	CPPg++14.2.0	Success	6,608
Apr 28, 2026 17:23	Victor Mercklé	CPPg++14.2.0	Success	6,539
Apr 28, 2026 17:16	Victor Mercklé	CPPg++14.2.0	Success	5,751+85.94 RP
Apr 28, 2026 17:09	Victor Mercklé	CPPg++14.2.0	Success	6,050+94.77 RP
Apr 28, 2026 17:02	Victor Mercklé	CPPg++14.2.0	Success	6,841
Apr 28, 2026 15:42	Charles Cabergs	CPPg++13.3.0	Success	12,530
Apr 28, 2026 13:29	Dominique Garmier	CPPg++13.3.0	Success	12,721
Apr 28, 2026 12:08	Charles Cabergs	CPPg++13.3.0	Success	12,282+3.30 RP
Apr 28, 2026 10:49	Victor Mercklé	CPPg++14.2.0	Success	9,604
Apr 28, 2026 10:39	Victor Mercklé	CPPg++14.2.0	Success	6,418+259.42 RP
Apr 28, 2026 10:30	Victor Mercklé	CPPg++14.2.0	Success	10,047
Apr 28, 2026 10:20	Victor Mercklé	CPPg++14.2.0	Success	9,064
Apr 28, 2026 10:10	Victor Mercklé	CPPg++14.2.0	Success	7,700+917.30 RP
Apr 27, 2026 23:01	TudyM	CPPclang++20.1.2	Success	23,668
Apr 27, 2026 22:58	TudyM	CPPclang++20.1.2	Success	11,433
Apr 27, 2026 22:55	TudyM	CPPclang++18.1.3	Success	11,556
Apr 27, 2026 22:53	TudyM	CPPclang++18.1.3	Success	11,248
Apr 27, 2026 22:50	TudyM	CPPclang++18.1.3	Success	12,029
Apr 27, 2026 22:48	TudyM	CPPclang++18.1.3	Success	11,516
Apr 27, 2026 22:46	TudyM	CPPclang++20.1.2	Success	11,133+7.52 RP
Apr 27, 2026 22:43	TudyM	CPPclang++18.1.3	Success	14,956
Apr 27, 2026 22:41	TudyM	CPPclang++18.1.3	Success	13,436
Apr 27, 2026 22:39	TudyM	CPPclang++18.1.3	Success	11,316
Apr 27, 2026 22:37	TudyM	CPPclang++18.1.3	Success	11,227+10.97 RP
Apr 27, 2026 22:34	TudyM	CPPclang++18.1.3	Success	11,367+218.54 RP
Apr 27, 2026 22:31	TudyM	CPPclang++18.1.3	Success	15,124+9.73 RP
Apr 27, 2026 22:29	TudyM	CPPclang++18.1.3	Success	15,350+2.83 RP
Apr 27, 2026 22:28	TudyM	CPPclang++18.1.3	Success	15,486
Apr 27, 2026 22:25	TudyM	CPPclang++20.1.2	Success	15,417+0.34 RP
Apr 27, 2026 22:17	TudyM	CPPclang++18.1.3	Success	15,425+3.80 RP
Apr 27, 2026 22:12	TudyM	CPPclang++20.1.2	Success	16,584
Apr 27, 2026 22:07	TudyM	CPPclang++20.1.2	Success	15,516+12.22 RP
Apr 27, 2026 21:59	TudyM	CPPclang++20.1.2	Success	15,816+91.00 RP
Apr 27, 2026 21:54	TudyM	CPPclang++20.1.2	Success	19,961
Apr 27, 2026 21:48	TudyM	CPPclang++20.1.2	Success	20,035
Apr 27, 2026 21:43	TudyM	CPPclang++20.1.2	Error
Apr 27, 2026 21:41	TudyM	CPPclang++18.1.3	Success	18,893
Apr 27, 2026 16:07	limanjun99	CPPg++14.2.0	Success	6,923+1'444.46 RP
Apr 27, 2026 13:59	Victor Mercklé	CPPg++14.2.0	Success	26,219+9.96 RP
Apr 27, 2026 13:48	Victor Mercklé	CPPg++14.2.0	Success	26,922+102.07 RP
Apr 27, 2026 13:30	Victor Mercklé	CPPg++14.2.0	Success	37,335
Apr 27, 2026 13:24	Victor Mercklé	CPPg++14.2.0	Success	97,297
Apr 27, 2026 13:03	Victor Mercklé	CPPg++14.2.0	Success	163,011
Apr 27, 2026 12:42	Charles Cabergs	CPPg++13.3.0	Success	12,332+55.55 RP
Apr 27, 2026 12:28	Victor Mercklé	CPPg++14.2.0	Success	37,123+2.07 RP
Apr 27, 2026 12:19	Victor Mercklé	CPPg++14.2.0	Success	37,410+154.36 RP
Apr 27, 2026 12:09	Victor Mercklé	CPPg++14.2.0	Success	161,526
Apr 27, 2026 12:06	Victor Mercklé	CPPg++14.2.0	Success	161,359
Apr 27, 2026 11:39	Victor Mercklé	CPPg++14.2.0	Success	460,532
Apr 27, 2026 11:32	Victor Mercklé	CPPg++14.2.0	Error
Apr 27, 2026 11:22	Victor Mercklé	CPPg++14.2.0	Error
Apr 27, 2026 11:21	Victor Mercklé	CPPg++14.2.0	Error
Apr 27, 2026 11:18	Victor Mercklé	CPPg++14.2.0	Error
Apr 27, 2026 11:13	Victor Mercklé	CPPg++14.2.0	Error
Apr 27, 2026 11:11	Victor Mercklé	CPPg++14.2.0	Error
Apr 27, 2026 11:05	Victor Mercklé	CPPg++14.2.0	Error
Apr 27, 2026 11:02	Victor Mercklé	CPPg++14.2.0	Error
Apr 27, 2026 10:54	Victor Mercklé	CPPg++14.2.0	Success	165,642
Apr 27, 2026 10:44	Victor Mercklé	CPPg++14.2.0	Error
Apr 27, 2026 10:19	Victor Mercklé	CPPg++14.2.0	Error
Apr 27, 2026 10:16	Victor Mercklé	CPPg++14.2.0	Error
Apr 27, 2026 10:10	Victor Mercklé	CPPg++14.2.0	Error
Apr 27, 2026 10:07	Victor Mercklé	CPPg++14.2.0	Error
Apr 27, 2026 09:12	Victor Mercklé	CPPg++14.2.0	Success	398,744
Apr 27, 2026 08:58	Victor Mercklé	CPPg++14.2.0	Success	94,410
Apr 27, 2026 08:53	Victor Mercklé	CPPg++14.2.0	Success	109,164
Apr 27, 2026 08:48	Victor Mercklé	CPPg++14.2.0	Success	136,911
Apr 27, 2026 08:39	Victor Mercklé	CPPg++14.2.0	Success	491,177
Apr 27, 2026 08:05	Victor Mercklé	CPPg++14.2.0	Success	88,538+84.94 RP
Apr 27, 2026 08:00	Victor Mercklé	CPPg++14.2.0	Error
Apr 27, 2026 07:53	Victor Mercklé	CPPg++14.2.0	Success	357,039+28.01 RP
Apr 27, 2026 07:52	Victor Mercklé	CPPg++14.2.0	Error
Apr 27, 2026 07:36	Victor Mercklé	CPPg++14.2.0	Error
Apr 27, 2026 06:23	Charles Cabergs	CPPg++13.3.0	Success	13,239+113.70 RP
Apr 27, 2026 05:37	olliecrow	GOgo1.26.2	Success	13,074

Model	Intel(R) Xeon(R) CPU E3-1271 v3 @ 3.60GHz
Cores	3