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.

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Challenge History

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Run Statistics

#	Date	Score	Wall Time	CPU User	Memory	Error
1	Jul 14, 2024 14:55	0	0	0	0	Error: expected "1020855 ", got "1020853 "
2	Jul 14, 2024 14:39	0	0	0	0	Error: expected "1018938 ", got "1018936 "
3	Jul 14, 2024 14:39	0	0	0	0	Error: expected "1020138 ", got "1020136 "
4	Jul 14, 2024 14:39	0	0	0	0	Error: expected "1025963 ", got "1025962 "
5	Jul 14, 2024 14:39	0	0	0	0	Error: expected "1020742 ", got "1020741 "
6	Jul 14, 2024 14:39	0	0	0	0	Error: expected "1023078 ", got "1023075 "
7	Jul 14, 2024 14:55	0	0	0	0	Error: expected "1026605 ", got "1026603 "
8	Jul 14, 2024 14:55	0	0	0	0	Error: expected "1025139 ", got "1025137 "
9	Jul 14, 2024 14:55	0	0	0	0	Error: expected "1019703 ", got "1025749 "
10	Jul 14, 2024 14:55	0	0	0	0	Error: expected "1020541 ", got "1020540 "
11	Jul 14, 2024 14:36	0	0	0	0	Error: expected "1024826 ", got "1024823 "
12	Jul 14, 2024 14:57	0	0	0	0	Error: No answer to stdout. Died or killed?
13	Jul 14, 2024 14:57	0	0	0	0	Error: expected "1024845 ", got "1024844 "
14	Jul 14, 2024 14:57	0	0	0	0	Error: expected "1025589 ", got "1025588 "
15	Jul 14, 2024 14:57	0	0	0	0	Error: expected "1018919 ", got "1018918 "
16	Jul 14, 2024 14:57	0	0	0	0	Error: No answer to stdout. Died or killed?
17	Jul 14, 2024 14:57	0	0	0	0	Error: expected "1020642 ", got "1020640 "
18	Jul 14, 2024 14:57	0	0	0	0	Error: expected "1022544 ", got "1022541 "
19	Jul 14, 2024 14:57	0	0	0	0	Error: expected "1019315 ", got "1019314 "
20	Jul 14, 2024 14:57	0	0	0	0	Error: expected "1026028 ", got "1026026 "
21	Jul 14, 2024 14:36	0	0	0	0	Error: No answer to stdout. Died or killed?
22	Jul 14, 2024 14:31	0	0	0	0	Error: expected "1019832 ", got "1019830 "	stderr
23	Jul 14, 2024 14:33	0	0	0	0	Error: expected "1019781 ", got "1019780 "
24	Jul 14, 2024 14:33	0	0	0	0	Error: expected "1026083 ", got "1026080 "
25	Jul 14, 2024 14:33	0	0	0	0	Error: expected "1023334 ", got "1023333 "
26	Jul 14, 2024 14:33	0	0	0	0	Error: expected "1023849 ", got "1023848 "
27	Jul 14, 2024 14:33	0	0	0	0	Error: expected "1019420 ", got "1019418 "
28	Jul 14, 2024 14:33	0	0	0	0	Error: expected "1022935 ", got "1022933 "
29	Jul 14, 2024 14:35	0	0	0	0	Error: expected "1026067 ", got "1026066 "
30	Jul 14, 2024 14:35	0	0	0	0	Error: expected "1025059 ", got "1025057 "
31	Jul 14, 2024 14:35	0	0	0	0	Error: expected "1018830 ", got "1018829 "
32	Jul 14, 2024 14:35	0	0	0	0	Error: expected "1020023 ", got "1020021 "
33	Jul 14, 2024 14:35	0	0	0	0	Error: expected "1019790 ", got "1019787 "
34	Jul 14, 2024 14:36	0	0	0	0	Error: expected "1023411 ", got "1023410 "
35	Jul 14, 2024 14:36	0	0	0	0	Error: expected "1025446 ", got "1025441 "
36	Jul 14, 2024 14:36	0	0	0	0	Error: expected "1024328 ", got "1024326 "
37	Jul 14, 2024 14:57	5,496	164,882,214	110,685,507	2,355,200
38	Jul 14, 2024 14:57	5,780	173,402,561	108,898,234	2,347,008
39	Jul 14, 2024 14:57	5,912	177,345,888	108,589,453	2,236,416

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