Unique strings

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 1 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 17:07

Dominique GarmierScore: 32,251Success

Source Code

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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 17:26	32,043	1,086,476,965	1,045,435,000	11,993,000	2,498,560
2	Mar 15, 2026 17:47	32,064	1,083,673,222	1,050,109,000	7,993,000	2,494,464
3	Mar 15, 2026 17:16	32,078	1,083,539,977	1,049,568,000	8,996,000	2,498,560
4	Mar 15, 2026 17:00	32,085	1,088,285,678	1,051,811,000	6,998,000	2,498,560
5	Mar 15, 2026 17:22	32,111	1,090,211,200	1,053,678,000	5,998,000	2,469,888
6	Mar 15, 2026 17:00	32,112	1,087,366,119	1,048,699,000	10,996,000	2,506,752
7	Mar 15, 2026 17:00	32,113	1,086,170,067	1,050,745,000	8,997,000	2,351,104
8	Mar 15, 2026 17:37	32,115	1,089,787,876	1,051,798,000	7,998,000	2,502,656
9	Mar 15, 2026 16:54	32,118	1,090,322,003	1,051,892,000	7,999,000	2,338,816
10	Mar 15, 2026 17:07	32,123	1,086,526,687	1,049,060,000	10,990,000	2,498,560
11	Mar 15, 2026 17:42	32,126	1,086,737,314	1,050,151,000	9,991,000	2,301,952
12	Mar 15, 2026 17:16	32,126	1,088,116,991	1,051,154,000	8,992,000	2,494,464
13	Mar 15, 2026 17:52	32,127	1,090,100,725	1,051,182,000	8,993,000	2,498,560
14	Mar 15, 2026 17:00	32,132	1,084,448,822	1,050,369,000	9,993,000	2,400,256
15	Mar 15, 2026 16:54	32,143	1,090,099,527	1,052,735,000	7,997,000	2,506,752
16	Mar 15, 2026 17:22	32,146	1,085,037,222	1,052,813,000	7,998,000	2,502,656
17	Mar 15, 2026 16:54	32,156	1,089,135,232	1,051,153,000	9,991,000	2,285,568
18	Mar 15, 2026 17:32	32,159	1,086,924,570	1,054,259,000	6,995,000	2,281,472
19	Mar 15, 2026 17:22	32,161	1,088,586,020	1,051,319,000	9,993,000	2,461,696
20	Mar 15, 2026 17:11	32,169	1,088,816,442	1,052,587,000	8,996,000	2,437,120
21	Mar 15, 2026 16:54	32,174	1,090,180,100	1,052,740,000	8,997,000	2,502,656
22	Mar 15, 2026 17:16	32,177	1,088,094,444	1,052,833,000	8,998,000	2,400,256
23	Mar 15, 2026 17:32	32,181	1,089,591,542	1,053,988,000	7,999,000	2,338,816
24	Mar 15, 2026 17:22	32,182	1,086,690,887	1,054,016,000	8,000,000	2,400,256
25	Mar 15, 2026 17:32	32,185	1,089,689,869	1,052,125,000	9,991,000	2,494,464
26	Mar 15, 2026 17:52	32,191	1,086,598,876	1,052,322,000	9,993,000	2,519,040
27	Mar 15, 2026 17:52	32,192	1,088,485,980	1,052,350,000	9,993,000	2,490,368
28	Mar 15, 2026 17:22	32,193	1,088,552,194	1,053,368,000	8,994,000	2,506,752
29	Mar 15, 2026 17:11	32,196	1,093,544,676	1,052,477,000	9,995,000	2,293,760
30	Mar 15, 2026 17:11	32,203	1,084,723,567	1,049,696,000	12,996,000	2,347,008
31	Mar 15, 2026 16:54	32,207	1,086,378,619	1,050,845,000	11,998,000	2,478,080
32	Mar 15, 2026 17:16	32,212	1,088,524,829	1,056,986,000	5,999,000	2,449,408
33	Mar 15, 2026 17:11	32,215	1,090,191,670	1,054,111,000	8,992,000	2,334,720
34	Mar 15, 2026 17:32	32,215	1,092,211,168	1,055,113,000	7,993,000	2,420,736
35	Mar 15, 2026 17:57	32,216	1,087,190,254	1,055,147,000	7,993,000	2,277,376
36	Mar 15, 2026 17:52	32,232	1,092,216,584	1,055,675,000	7,997,000	2,269,184
37	Mar 15, 2026 17:00	32,233	1,091,949,979	1,055,704,000	7,997,000	2,498,560
38	Mar 15, 2026 17:11	32,235	1,093,285,300	1,054,755,000	8,997,000	2,281,472
39	Mar 15, 2026 17:22	32,237	1,093,692,117	1,056,835,000	6,998,000	2,490,368
40	Mar 15, 2026 16:54	32,247	1,093,807,994	1,054,172,000	9,992,000	2,387,968
41	Mar 15, 2026 17:11	32,251	1,092,004,370	1,057,275,000	6,995,000	2,506,752
42	Mar 15, 2026 17:42	32,257	1,086,424,378	1,055,501,000	8,995,000	2,285,568
43	Mar 15, 2026 17:32	32,267	1,093,695,504	1,056,819,000	7,998,000	2,285,568
44	Mar 15, 2026 17:26	32,275	1,094,979,214	1,056,098,000	8,992,000	2,449,408
45	Mar 15, 2026 16:54	32,283	1,096,591,124	1,057,358,000	7,995,000	2,281,472
46	Mar 15, 2026 17:11	32,289	1,092,631,803	1,057,527,000	7,996,000	2,314,240
47	Mar 15, 2026 17:00	32,293	1,092,359,087	1,054,669,000	10,996,000	2,330,624
48	Mar 15, 2026 17:52	32,294	1,088,508,473	1,055,690,000	9,997,000	2,281,472
49	Mar 15, 2026 17:52	32,302	1,093,481,703	1,056,979,000	8,991,000	2,281,472
50	Mar 15, 2026 17:37	32,308	1,098,187,352	1,058,168,000	7,993,000	2,498,560
51	Mar 15, 2026 17:57	32,309	1,091,403,742	1,057,196,000	8,993,000	2,281,472
52	Mar 15, 2026 17:32	32,310	1,091,493,552	1,057,234,000	8,993,000	2,498,560
53	Mar 15, 2026 17:11	32,311	1,091,744,208	1,056,256,000	9,992,000	2,420,736
54	Mar 15, 2026 17:22	32,312	1,095,995,485	1,058,295,000	7,994,000	2,281,472
55	Mar 15, 2026 16:54	32,314	1,094,290,583	1,059,359,000	6,995,000	2,281,472
56	Mar 15, 2026 17:47	32,315	1,096,006,298	1,060,404,000	5,996,000	2,486,272
57	Mar 15, 2026 17:32	32,327	1,095,108,422	1,057,809,000	8,998,000	2,408,448
58	Mar 15, 2026 17:16	32,332	1,091,612,241	1,057,981,000	8,991,000	2,281,472
59	Mar 15, 2026 17:52	32,337	1,095,724,820	1,057,119,000	9,991,000	2,494,464
60	Mar 15, 2026 17:07	32,347	1,095,582,346	1,057,461,000	9,994,000	2,494,464
61	Mar 15, 2026 17:16	32,350	1,097,364,872	1,060,567,000	6,997,000	2,502,656
62	Mar 15, 2026 17:42	32,376	1,095,331,614	1,058,419,000	9,994,000	2,494,464
63	Mar 15, 2026 17:26	32,380	1,102,593,157	1,061,547,000	6,997,000	2,281,472
64	Mar 15, 2026 17:16	32,391	1,102,230,130	1,060,915,000	7,999,000	2,281,472
65	Mar 15, 2026 17:22	32,411	1,098,956,859	1,060,570,000	8,996,000	2,338,816
66	Mar 15, 2026 17:57	32,414	1,100,740,489	1,061,678,000	7,997,000	2,375,680
67	Mar 15, 2026 17:37	32,414	1,100,334,715	1,062,676,000	6,997,000	2,281,472
68	Mar 15, 2026 17:00	32,438	1,103,497,274	1,062,464,000	7,995,000	2,502,656
69	Mar 15, 2026 17:16	32,442	1,092,391,011	1,061,590,000	8,996,000	2,498,560
70	Mar 15, 2026 17:00	32,461	1,096,313,077	1,063,211,000	7,994,000	2,281,472
71	Mar 15, 2026 17:52	32,496	1,104,834,986	1,064,352,000	8,002,000	2,498,560
72	Mar 15, 2026 16:54	32,523	1,100,529,077	1,066,269,000	6,995,000	2,502,656
73	Mar 15, 2026 17:32	32,571	1,108,027,473	1,066,858,000	7,991,000	2,441,216
74	Mar 15, 2026 17:00	32,578	1,104,621,874	1,067,085,000	7,993,000	2,424,832
75	Mar 15, 2026 17:52	32,605	1,103,931,833	1,069,972,000	5,994,000	2,490,368
76	Mar 15, 2026 17:47	32,617	1,105,120,890	1,068,356,000	7,995,000	2,400,256
77	Mar 15, 2026 17:07	32,671	1,110,539,277	1,069,144,000	8,992,000	2,400,256
78	Mar 15, 2026 17:16	32,707	1,107,724,375	1,071,337,000	7,995,000	2,519,040
79	Mar 15, 2026 17:32	32,754	1,110,368,335	1,070,881,000	9,989,000	2,281,472
80	Mar 15, 2026 17:22	32,818	1,109,380,104	1,073,989,000	8,991,000	2,486,272
81	Mar 15, 2026 17:11	33,339	1,127,920,993	1,090,197,000	9,992,000	2,506,752

Model	Intel(R) Xeon(R) CPU E3-1271 v3 @ 3.60GHz
Cores	1