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	1:20.1.2-0ubuntu1~24.04.3	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
Mar 4, 2026 01:36	olliecrow	CPPclang++18.1.3	Success	10,875
Mar 4, 2026 01:31	olliecrow	CPPclang++18.1.3	Error
Mar 4, 2026 01:27	olliecrow	CPPclang++18.1.3	Success	11,253
Mar 4, 2026 01:04	olliecrow	CPPg++13.3.0	Success	11,061
Mar 4, 2026 00:59	olliecrow	CPPclang++18.1.3	Success	10,778
Mar 4, 2026 00:56	olliecrow	CPPclang++18.1.3	Error
Mar 4, 2026 00:55	olliecrow	CPPclang++18.1.3	Error
Mar 4, 2026 00:53	olliecrow	CPPg++13.3.0	Success	19,047
Mar 4, 2026 00:51	olliecrow	CPPclang++18.1.3	Success	10,728+5.53 RP
Mar 4, 2026 00:49	olliecrow	CPPclang++18.1.3	Error
Mar 4, 2026 00:46	olliecrow	CPPclang++18.1.3	Success	62,047
Mar 4, 2026 00:41	olliecrow	CPPclang++18.1.3	Success	10,863
Mar 4, 2026 00:38	olliecrow	CPPclang++18.1.3	Success	10,938
Mar 4, 2026 00:35	olliecrow	CPPclang++18.1.3	Error
Mar 4, 2026 00:30	olliecrow	CPPclang++18.1.3	Success	11,546
Mar 4, 2026 00:26	olliecrow	CPPclang++18.1.3	Success	12,332
Mar 4, 2026 00:22	olliecrow	CPPclang++18.1.3	Success	10,890
Mar 4, 2026 00:21	olliecrow	CPPg++13.3.0	Error
Mar 4, 2026 00:19	olliecrow	CPPclang++18.1.3	Success	23,192
Mar 4, 2026 00:15	olliecrow	CPPg++13.3.0	Success	25,218
Mar 4, 2026 00:05	olliecrow	CPPg++13.3.0	Success	10,862
Mar 4, 2026 00:01	olliecrow	CPPg++13.3.0	Success	12,391
Mar 3, 2026 23:57	olliecrow	CPPclang++18.1.3	Success	10,792+16.45 RP
Mar 3, 2026 23:53	olliecrow	CPPg++13.3.0	Success	11,180
Mar 3, 2026 23:51	olliecrow	CPPclang++18.1.3	Error
Mar 3, 2026 23:42	olliecrow	CPPg++13.3.0	Error
Mar 3, 2026 23:38	olliecrow	CPPclang++18.1.3	Error
Mar 3, 2026 23:35	olliecrow	CPPclang++18.1.3	Success	12,473
Mar 3, 2026 23:31	olliecrow	CPPg++13.3.0	Success	10,987+3.79 RP
Mar 3, 2026 23:28	olliecrow	CPPclang++18.1.3	Success	11,033+106.88 RP
Mar 3, 2026 23:25	olliecrow	CPPg++13.3.0	Error
Mar 3, 2026 23:24	olliecrow	CPPg++13.3.0	Error
Mar 3, 2026 23:22	olliecrow	CPPg++13.3.0	Success	12,619
Mar 3, 2026 23:19	olliecrow	CPPclang++18.1.3	Success	12,508+9.72 RP
Mar 3, 2026 23:15	olliecrow	CPPg++13.3.0	Success	12,975
Mar 3, 2026 23:10	olliecrow	CPPg++13.3.0	Error
Mar 3, 2026 23:08	olliecrow	CPPg++13.3.0	Success	12,959
Mar 3, 2026 23:04	olliecrow	CPPclang++18.1.3	Success	12,662+16.37 RP
Mar 3, 2026 23:00	olliecrow	CPPg++13.3.0	Success	13,108
Mar 3, 2026 22:56	olliecrow	CPPg++13.3.0	Error
Mar 3, 2026 22:45	olliecrow	CPPg++13.3.0	Success	12,930+773.40 RP
Jan 12, 2026 02:45	Josu San Martin	CPPg++13.3.0	Success	5,915
Jan 12, 2026 00:58	Josu San Martin	RUSTrust-1.92.0	Success	3,013+124.06 RP
Jan 12, 2026 00:37	Josu San Martin	RUSTrust-1.92.0	Success	3,142
Jan 12, 2026 00:24	Josu San Martin	RUSTrust-1.92.0	Success	3,130+812.80 RP
Jan 11, 2026 19:53	Josu San Martin	RUSTrust-1.92.0	Success	4,700
Jan 11, 2026 16:11	Josu San Martin	CPPg++13.3.0	Success	3,271
Jan 11, 2026 16:08	Josu San Martin	RUSTrust-1.92.0	Success	4,304
Jan 11, 2026 16:00	Josu San Martin	RUSTrust-1.92.0	Error
Jan 11, 2026 15:56	Josu San Martin	GOgo1.25.5	Success	3,520+1'871.07 RP
Jan 11, 2026 15:53	Josu San Martin	RUSTrust-1.92.0	Success	4,304
Jan 11, 2026 15:50	Josu San Martin	GOgo1.25.5	Success	96,048
Jan 11, 2026 15:49	Josu San Martin	RUSTrust-1.92.0	Success	4,198+7.92 RP
Jan 11, 2026 15:47	Josu San Martin	GOgo1.25.5	Error
Jan 11, 2026 15:43	Josu San Martin	RUSTrust-1.92.0	Success	4,436
Jan 11, 2026 15:39	Josu San Martin	RUSTrust-1.92.0	Success	4,212+35.53 RP
Jan 11, 2026 15:36	Josu San Martin	RUSTrust-1.92.0	Success	4,276+2.19 RP
Jan 11, 2026 15:33	Josu San Martin	RUSTrust-1.92.0	Error
Jan 11, 2026 15:31	Josu San Martin	RUSTrust-1.92.0	Error
Jan 11, 2026 15:29	Josu San Martin	RUSTrust-1.92.0	Success	4,280+144.43 RP
Jan 11, 2026 15:26	Josu San Martin	RUSTrust-1.92.0	Success	4,562+1'234.35 RP
Jan 11, 2026 15:25	Josu San Martin	RUSTrust-1.92.0	Success	11,475
Jan 11, 2026 15:22	Josu San Martin	RUSTrust-1.92.0	Success	16,433
Jan 11, 2026 15:17	Josu San Martin	RUSTrust-1.92.0	Success	215,550
Jan 11, 2026 15:15	Josu San Martin	RUSTrust-1.92.0	Error
Jan 11, 2026 15:13	Josu San Martin	CPPg++13.3.0	Success	5,976
Jan 11, 2026 15:10	Josu San Martin	RUSTrust-1.92.0	Error
Jan 11, 2026 14:47	Josu San Martin	CPPg++13.3.0	Success	2,967
Jan 11, 2026 14:42	Josu San Martin	CPPg++13.3.0	Success	2,959+2'790.92 RP
Jan 11, 2026 03:43	Josu San Martin	CPPg++13.3.0	Success	5,744+24.50 RP
Jan 11, 2026 03:43	Josu San Martin	CPPg++13.3.0	Success	7,563
Jan 10, 2026 17:00	Josu San Martin	CPPg++13.3.0	Success	18,718
Jan 10, 2026 16:59	Josu San Martin	GOgo1.25.5	Success	55,774
Jan 10, 2026 15:29	Josu San Martin	CPPg++13.3.0	Success	5,826+1'167.78 RP
Jan 8, 2026 20:06	Павел Ратманов	CPPg++13.3.0	Success	25,322
Jan 8, 2026 20:04	Павел Ратманов	CPPg++13.3.0	Success	33,492
Jan 8, 2026 19:56	Павел Ратманов	CPPg++13.3.0	Success	21,120
Jan 8, 2026 19:53	Павел Ратманов	CPPg++13.3.0	Success	20,283+493.02 RP
Jan 7, 2026 20:31	Josu San Martin	RUSTrust-1.92.0	Success	50,108
Dec 31, 2025 13:28	Aniruddha Deb	CPPg++13.3.0	Error	+245.13 RP
Dec 31, 2025 13:19	Aniruddha Deb	CPPclang++18.1.3	Error
Dec 31, 2025 00:53	Aniruddha Deb	CPPg++13.3.0	Success	11,546+22.43 RP
Dec 31, 2025 00:25	Aniruddha Deb	CPPg++13.3.0	Error
Dec 31, 2025 00:22	Aniruddha Deb	CPPg++13.3.0	Success	12,296
Dec 31, 2025 00:20	Aniruddha Deb	CPPg++13.3.0	Success	11,853+193.39 RP
Dec 30, 2025 23:59	Aman \| अमन	CPPg++13.3.0	Success	347,198
Dec 30, 2025 23:59	Aman \| अमन	CPPg++13.3.0	Success	344,770+0.11 RP
Dec 30, 2025 23:58	Aman \| अमन	CPPg++13.3.0	Success	346,057+28.90 RP
Dec 30, 2025 22:22	Aniruddha Deb	CPPg++13.3.0	Success	19,117
Dec 30, 2025 22:19	Aniruddha Deb	CPPg++13.3.0	Error
Dec 30, 2025 22:16	Aniruddha Deb	CPPg++13.3.0	Success	16,258
Dec 25, 2025 15:55	Josu San Martin	CPPclang++18.1.3	Success	65,165
Dec 25, 2025 04:06	Josu San Martin	CPPg++13.3.0	Success	44,154
Dec 25, 2025 04:06	Josu San Martin	CPPclang++18.1.3	Success	33,688
Dec 25, 2025 04:06	Josu San Martin	CPPclang++18.1.3	Success	33,871
Dec 25, 2025 04:06	Josu San Martin	CPPg++13.3.0	Success	43,134
Dec 25, 2025 03:52	Josu San Martin	RUSTrust-1.92.0	Success	26,203
Dec 25, 2025 01:30	Josu San Martin	RUSTrust-1.92.0	Success	26,358
Dec 25, 2025 01:21	Josu San Martin	RUSTrust-1.92.0	Success	18,226+7.83 RP
Dec 25, 2025 01:20	Josu San Martin	RUSTrust-1.92.0	Success	18,490+540.83 RP

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