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 listJan 11, 2026 14:42

Josu San MartinScore: 2,959Success

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Challenge History

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jan 11, 2026 14:56	2,629	78,861,549	161,942,000	2,011,000	2,367,488
2	Jan 11, 2026 14:54	2,700	81,013,885	162,780,000	2,995,000	2,760,704
3	Jan 11, 2026 14:58	2,734	82,030,348	159,269,000	4,006,000	2,510,848
4	Jan 11, 2026 14:50	2,739	82,155,650	163,352,000	1,002,000	2,338,816
5	Jan 11, 2026 14:54	2,743	82,281,973	161,394,000	3,007,000	2,539,520
6	Jan 11, 2026 14:58	2,746	82,386,587	161,880,000	2,010,000	2,351,104
7	Jan 11, 2026 14:50	2,747	82,404,083	161,420,000	3,007,000	2,355,200
8	Jan 11, 2026 14:54	2,751	82,541,982	162,786,000	2,009,000	2,338,816
9	Jan 11, 2026 14:38	2,758	82,749,203	162,977,000	1,987,000	2,600,960
10	Jan 11, 2026 14:38	2,794	83,831,902	161,234,000	2,002,000	2,367,488
11	Jan 11, 2026 14:57	2,839	85,176,363	161,785,000	2,996,000	2,367,488
12	Jan 11, 2026 14:38	2,846	85,379,381	161,834,000	2,996,000	2,371,584
13	Jan 11, 2026 14:54	2,852	85,568,597	162,462,000	2,005,000	2,363,392
14	Jan 11, 2026 14:58	2,865	85,952,208	162,783,000	1,997,000	2,363,392
15	Jan 11, 2026 14:57	2,869	86,058,094	159,276,000	3,024,000	2,613,248
16	Jan 11, 2026 14:54	2,891	86,722,726	162,306,000	3,005,000	2,355,200
17	Jan 11, 2026 14:58	2,892	86,773,765	160,721,000	3,993,000	2,367,488
18	Jan 11, 2026 14:54	2,893	86,795,188	162,548,000	2,019,000	2,596,864
19	Jan 11, 2026 14:58	2,899	86,972,586	163,719,000	1,996,000	2,617,344
20	Jan 11, 2026 14:38	2,908	87,227,408	158,627,000	3,965,000	2,371,584
21	Jan 11, 2026 14:38	2,909	87,263,949	160,874,000	2,997,000	2,486,272
22	Jan 11, 2026 14:58	2,911	87,330,573	159,992,000	3,018,000	2,605,056
23	Jan 11, 2026 14:56	2,924	87,705,912	160,449,000	2,005,000	2,617,344
24	Jan 11, 2026 14:58	2,930	87,887,395	162,449,000	1,993,000	2,514,944
25	Jan 11, 2026 14:55	2,933	88,003,738	159,647,000	2,020,000	2,469,888
26	Jan 11, 2026 14:58	2,940	88,214,334	159,963,000	3,974,000	2,613,248
27	Jan 11, 2026 14:53	2,940	88,190,394	161,566,000	2,991,000	2,371,584
28	Jan 11, 2026 14:38	2,942	88,260,131	163,123,000	3,020,000	2,613,248
29	Jan 11, 2026 14:58	2,944	88,307,925	162,820,000	1,011,000	2,363,392
30	Jan 11, 2026 14:58	2,944	88,317,220	160,334,000	3,006,000	2,617,344
31	Jan 11, 2026 14:54	2,945	88,360,522	161,592,000	1,994,000	2,596,864
32	Jan 11, 2026 14:58	2,953	88,601,539	162,877,000	1,005,000	2,363,392
33	Jan 11, 2026 14:56	2,957	88,712,564	159,947,000	2,980,000	2,347,008
34	Jan 11, 2026 14:54	2,959	88,775,703	160,827,000	2,010,000	2,351,104
35	Jan 11, 2026 14:55	2,972	89,149,507	162,525,000	0	2,748,416
36	Jan 11, 2026 14:56	2,976	89,268,261	158,711,000	3,013,000	2,465,792
37	Jan 11, 2026 14:38	2,992	89,773,024	162,562,000	2,006,000	2,330,624
38	Jan 11, 2026 14:58	2,994	89,817,579	161,423,000	2,989,000	2,355,200
39	Jan 11, 2026 14:56	3,005	90,152,038	161,301,000	2,987,000	2,338,816
40	Jan 11, 2026 14:56	3,010	90,285,084	158,327,000	3,983,000	2,617,344
41	Jan 11, 2026 14:58	3,030	90,899,328	159,051,000	3,976,000	2,609,152
42	Jan 11, 2026 14:57	3,061	91,831,968	160,865,000	3,016,000	2,351,104
43	Jan 11, 2026 14:58	3,069	92,070,726	163,412,000	2,005,000	2,605,056
44	Jan 11, 2026 14:53	3,074	92,210,648	161,963,000	1,005,000	2,600,960
45	Jan 11, 2026 14:56	3,078	92,336,456	161,153,000	994,000	2,363,392
46	Jan 11, 2026 14:38	3,079	92,383,999	157,067,000	3,976,000	2,347,008
47	Jan 11, 2026 14:58	3,082	92,449,323	161,135,000	2,001,000	2,355,200
48	Jan 11, 2026 14:55	3,090	92,703,930	161,770,000	1,984,000	2,347,008
49	Jan 11, 2026 14:57	3,097	92,899,689	158,974,000	1,999,000	2,355,200
50	Jan 11, 2026 14:53	3,128	93,829,730	160,205,000	2,002,000	2,609,152
51	Jan 11, 2026 14:58	3,145	94,358,920	159,994,000	2,012,000	2,355,200
52	Jan 11, 2026 14:54	3,192	95,772,559	159,101,000	3,977,000	2,351,104
53	Jan 11, 2026 14:57	3,204	96,112,193	159,471,000	3,008,000	2,486,272
54	Jan 11, 2026 14:50	3,211	96,320,072	161,477,000	1,993,000	2,371,584
55	Jan 11, 2026 14:58	3,213	96,387,002	159,824,000	1,985,000	2,351,104
56	Jan 11, 2026 14:58	3,219	96,567,137	158,284,000	2,967,000	2,596,864
57	Jan 11, 2026 14:57	3,267	98,004,920	157,295,000	3,957,000	2,334,720
58	Jan 11, 2026 14:56	3,284	98,527,312	163,420,000	0	2,363,392
59	Jan 11, 2026 14:58	3,295	98,856,691	159,579,000	2,992,000	2,347,008
60	Jan 11, 2026 14:58	3,399	101,984,688	158,354,000	3,006,000	2,359,296
61	Jan 11, 2026 14:42	3,632	108,966,452	230,617,000	1,996,000	2,342,912
62	Jan 11, 2026 14:42	3,677	110,314,429	233,709,000	1,997,000	2,744,320
63	Jan 11, 2026 14:58	3,732	111,953,990	164,067,000	2,000,000	2,351,104
64	Jan 11, 2026 14:38	3,745	112,359,322	163,541,000	2,006,000	2,605,056
65	Jan 11, 2026 14:42	3,907	117,210,180	218,678,000	2,995,000	2,490,368
66	Jan 11, 2026 14:56	3,941	118,220,237	166,301,000	1,007,000	2,371,584

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