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.

Back to listMar 15, 2026 21:33

Dominique GarmierScore: 35,473Success

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Challenge History

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Mar 15, 2026 21:44	34,674	1,040,225,439	2,949,690,000	22,989,000	2,478,080
2	Mar 15, 2026 21:33	34,899	1,046,980,768	2,943,514,000	27,985,000	2,514,944
3	Mar 15, 2026 21:44	35,108	1,053,237,201	2,952,511,000	22,996,000	2,478,080
4	Mar 15, 2026 23:32	35,159	1,054,762,313	2,956,947,000	23,983,000	2,613,248
5	Mar 15, 2026 21:40	35,166	1,054,972,379	2,968,680,000	23,973,000	2,588,672
6	Mar 15, 2026 21:40	35,219	1,056,567,704	2,945,864,000	27,998,000	2,555,904
7	Mar 15, 2026 21:40	35,238	1,057,134,790	2,952,177,000	24,984,000	2,416,640
8	Mar 15, 2026 21:40	35,287	1,058,601,831	2,953,624,000	24,979,000	2,580,480
9	Mar 15, 2026 23:34	35,297	1,058,901,479	2,948,892,000	26,999,000	2,412,544
10	Mar 15, 2026 23:52	35,331	1,059,940,949	2,997,808,000	26,989,000	2,514,944
11	Mar 15, 2026 23:41	35,358	1,060,744,373	2,995,145,000	30,980,000	2,334,720
12	Mar 15, 2026 21:44	35,365	1,060,945,711	2,958,169,000	22,993,000	2,588,672
13	Mar 15, 2026 23:34	35,366	1,060,976,768	2,995,791,000	28,997,000	2,555,904
14	Mar 15, 2026 23:34	35,379	1,061,364,962	2,957,890,000	21,976,000	2,445,312
15	Mar 15, 2026 23:34	35,387	1,061,606,618	3,001,176,000	25,984,000	2,519,040
16	Mar 15, 2026 23:41	35,389	1,061,671,112	2,993,850,000	27,979,000	2,572,288
17	Mar 15, 2026 21:44	35,391	1,061,732,122	2,962,135,000	23,976,000	2,633,728
18	Mar 15, 2026 21:44	35,406	1,062,166,780	2,995,724,000	24,981,000	2,527,232
19	Mar 15, 2026 23:34	35,419	1,062,555,121	2,997,624,000	26,978,000	2,592,768
20	Mar 15, 2026 23:41	35,419	1,062,564,206	2,989,299,000	32,959,000	2,576,384
21	Mar 15, 2026 22:20	35,421	1,062,635,221	2,996,271,000	24,985,000	2,510,848
22	Mar 15, 2026 23:34	35,430	1,062,891,094	2,997,900,000	24,982,000	2,383,872
23	Mar 15, 2026 23:34	35,439	1,063,175,369	3,000,289,000	29,982,000	2,416,640
24	Mar 15, 2026 21:44	35,444	1,063,317,885	2,998,288,000	28,964,000	2,519,040
25	Mar 15, 2026 23:34	35,446	1,063,383,646	2,998,736,000	29,967,000	2,514,944
26	Mar 15, 2026 21:33	35,447	1,063,422,967	3,000,789,000	25,980,000	2,826,240
27	Mar 15, 2026 22:12	35,449	1,063,468,502	3,002,180,000	27,945,000	2,588,672
28	Mar 15, 2026 23:41	35,452	1,063,562,849	2,990,588,000	32,984,000	2,531,328
29	Mar 15, 2026 23:41	35,473	1,064,178,617	2,997,868,000	25,972,000	2,592,768
30	Mar 15, 2026 21:33	35,491	1,064,729,507	2,997,456,000	27,985,000	2,592,768
31	Mar 15, 2026 23:32	35,498	1,064,928,897	2,999,977,000	25,982,000	2,510,848
32	Mar 15, 2026 22:12	35,506	1,065,186,640	2,993,370,000	26,976,000	2,392,064
33	Mar 15, 2026 23:52	35,531	1,065,926,143	3,003,282,000	23,994,000	2,588,672
34	Mar 15, 2026 21:40	35,538	1,066,150,191	3,000,054,000	25,974,000	2,371,584
35	Mar 15, 2026 21:40	35,547	1,066,398,432	3,003,165,000	23,969,000	2,412,544
36	Mar 15, 2026 21:33	35,548	1,066,438,485	3,001,184,000	28,001,000	2,531,328
37	Mar 15, 2026 22:20	35,551	1,066,537,037	2,992,558,000	27,977,000	2,527,232
38	Mar 15, 2026 23:41	35,572	1,067,174,750	2,998,870,000	24,973,000	2,572,288
39	Mar 15, 2026 21:33	35,576	1,067,286,179	3,002,982,000	26,981,000	2,506,752
40	Mar 15, 2026 23:34	35,579	1,067,359,500	3,002,416,000	29,974,000	2,592,768
41	Mar 15, 2026 23:52	35,580	1,067,404,999	2,999,786,000	25,972,000	2,355,200
42	Mar 15, 2026 21:44	35,580	1,067,409,636	2,997,146,000	30,980,000	2,514,944
43	Mar 15, 2026 21:33	35,581	1,067,423,364	2,995,288,000	27,984,000	2,375,680
44	Mar 15, 2026 21:33	35,586	1,067,573,572	3,002,209,000	26,974,000	2,523,136
45	Mar 15, 2026 23:41	35,598	1,067,943,761	2,997,402,000	25,986,000	2,347,008
46	Mar 15, 2026 21:40	35,600	1,067,991,275	2,998,388,000	22,972,000	2,396,160
47	Mar 15, 2026 21:33	35,609	1,068,276,129	2,995,223,000	26,993,000	2,588,672
48	Mar 15, 2026 23:32	35,617	1,068,502,622	3,008,765,000	24,989,000	2,600,960
49	Mar 15, 2026 22:12	35,623	1,068,687,103	2,994,222,000	25,975,000	2,539,520
50	Mar 15, 2026 22:20	35,657	1,069,719,742	3,006,477,000	21,988,000	2,523,136
51	Mar 15, 2026 23:41	35,657	1,069,721,085	2,996,469,000	30,004,000	2,400,256
52	Mar 15, 2026 21:44	35,669	1,070,065,717	2,995,079,000	28,971,000	2,764,800
53	Mar 15, 2026 23:41	35,689	1,070,681,446	2,998,085,000	26,982,000	2,486,272
54	Mar 15, 2026 21:40	35,697	1,070,923,825	2,947,896,000	25,990,000	2,527,232
55	Mar 15, 2026 21:33	35,698	1,070,948,900	3,001,668,000	27,959,000	2,584,576
56	Mar 15, 2026 21:44	36,649	1,099,471,455	2,996,830,000	27,970,000	2,588,672
57	Mar 15, 2026 21:40	37,024	1,110,715,582	2,969,133,000	29,971,000	2,580,480

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