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 22, 2026 01:26

olliecrowScore: 11,431Success

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 22, 2026 01:07	11,336	395,999,645	356,075,000	18,003,000	2,412,544
2	Mar 22, 2026 00:38	11,353	395,993,000	355,682,000	18,983,000	2,273,280
3	Mar 22, 2026 00:32	11,358	397,525,769	358,827,000	15,992,000	2,396,160
4	Mar 22, 2026 01:07	11,366	393,681,473	362,090,000	13,003,000	2,416,640
5	Mar 22, 2026 01:18	11,379	399,157,436	358,535,000	16,978,000	2,420,736
6	Mar 22, 2026 00:29	11,380	396,384,642	359,568,000	15,980,000	2,416,640
7	Mar 22, 2026 01:07	11,384	394,804,995	357,701,000	17,985,000	2,482,176
8	Mar 22, 2026 00:23	11,386	394,420,424	361,734,000	13,989,000	2,355,200
9	Mar 22, 2026 01:00	11,392	397,339,010	357,934,000	17,996,000	2,514,944
10	Mar 22, 2026 00:23	11,399	398,784,092	360,158,000	16,007,000	2,420,736
11	Mar 22, 2026 01:00	11,400	399,199,927	360,192,000	16,008,000	2,379,776
12	Mar 22, 2026 00:23	11,402	402,417,276	361,265,000	15,011,000	2,424,832
13	Mar 22, 2026 01:07	11,403	400,074,002	358,271,000	18,013,000	2,420,736
14	Mar 22, 2026 00:43	11,403	401,059,005	360,283,000	16,012,000	2,416,640
15	Mar 22, 2026 00:38	11,403	401,150,364	364,294,000	12,009,000	2,416,640
16	Mar 22, 2026 00:23	11,407	403,397,240	361,419,000	15,017,000	2,420,736
17	Mar 22, 2026 01:07	11,410	399,902,645	358,546,000	17,977,000	2,416,640
18	Mar 22, 2026 00:43	11,410	402,763,412	357,551,000	18,976,000	2,416,640
19	Mar 22, 2026 00:31	11,410	405,774,816	359,542,000	16,978,000	2,412,544
20	Mar 22, 2026 00:23	11,410	404,182,915	360,553,000	15,980,000	2,457,600
21	Mar 22, 2026 00:36	11,412	398,206,166	362,624,000	13,985,000	2,420,736
22	Mar 22, 2026 01:00	11,415	400,247,797	359,720,000	16,986,000	2,273,280
23	Mar 22, 2026 01:00	11,415	398,084,725	361,694,000	14,987,000	2,404,352
24	Mar 22, 2026 00:31	11,419	395,021,973	357,826,000	18,990,000	2,457,600
25	Mar 22, 2026 00:38	11,422	398,689,364	359,934,000	16,996,000	2,420,736
26	Mar 22, 2026 00:45	11,422	398,108,661	363,940,000	12,997,000	2,416,640
27	Mar 22, 2026 01:00	11,423	398,742,804	363,949,000	12,998,000	2,482,176
28	Mar 22, 2026 00:47	11,425	401,246,044	363,040,000	14,001,000	2,420,736
29	Mar 22, 2026 01:26	11,430	395,798,567	356,186,000	21,010,000	2,433,024
30	Mar 22, 2026 00:38	11,431	400,918,550	363,226,000	14,008,000	2,412,544
31	Mar 22, 2026 01:07	11,431	401,058,828	359,203,000	18,010,000	2,273,280
32	Mar 22, 2026 01:18	11,431	403,748,495	364,213,000	13,007,000	2,420,736
33	Mar 22, 2026 01:00	11,434	404,835,689	357,299,000	20,016,000	2,424,832
34	Mar 22, 2026 00:38	11,435	401,994,382	363,339,000	14,013,000	2,387,968
35	Mar 22, 2026 00:32	11,438	405,443,413	358,467,000	18,971,000	2,412,544
36	Mar 22, 2026 00:38	11,439	404,849,171	361,515,000	15,978,000	2,273,280
37	Mar 22, 2026 01:07	11,440	401,946,489	360,556,000	16,979,000	2,420,736
38	Mar 22, 2026 00:38	11,440	406,020,479	360,552,000	16,978,000	2,469,888
39	Mar 22, 2026 00:29	11,441	402,537,355	359,566,000	17,978,000	2,469,888
40	Mar 22, 2026 01:00	11,441	403,820,257	361,586,000	15,981,000	2,412,544
41	Mar 22, 2026 00:29	11,451	398,041,692	360,880,000	16,994,000	2,355,200
42	Mar 22, 2026 01:18	11,454	399,952,564	362,978,000	14,999,000	2,412,544
43	Mar 22, 2026 00:38	11,458	400,090,790	364,125,000	14,004,000	2,383,872
44	Mar 22, 2026 00:45	11,459	397,802,624	361,128,000	17,006,000	2,502,656
45	Mar 22, 2026 00:23	11,462	405,894,250	361,246,000	17,011,000	2,514,944
46	Mar 22, 2026 00:45	11,463	406,247,051	359,251,000	19,013,000	2,514,944
47	Mar 22, 2026 00:47	11,471	403,621,048	364,570,000	13,983,000	2,273,280
48	Mar 22, 2026 00:23	11,471	402,111,271	362,561,000	15,980,000	2,273,280
49	Mar 22, 2026 01:00	11,472	401,572,676	358,612,000	19,978,000	2,347,008
50	Mar 22, 2026 00:36	11,480	399,045,372	357,847,000	20,991,000	2,453,504
51	Mar 22, 2026 00:31	11,486	403,135,279	363,028,000	16,001,000	2,371,584
52	Mar 22, 2026 01:00	11,500	409,096,984	361,533,000	17,976,000	2,469,888
53	Mar 22, 2026 01:26	11,501	399,799,111	361,549,000	17,977,000	2,355,200
54	Mar 22, 2026 01:07	11,503	406,102,377	365,602,000	13,984,000	2,412,544
55	Mar 22, 2026 00:36	11,512	401,837,785	361,912,000	17,995,000	2,437,120
56	Mar 22, 2026 01:07	11,514	402,925,034	361,956,000	17,997,000	2,277,376
57	Mar 22, 2026 00:23	11,515	403,825,823	363,987,000	15,999,000	2,424,832
58	Mar 22, 2026 00:38	11,531	402,303,476	363,544,000	16,978,000	2,277,376
59	Mar 22, 2026 00:47	11,532	405,577,681	362,570,000	17,978,000	2,408,448
60	Mar 22, 2026 00:43	11,599	411,520,332	366,773,000	15,990,000	2,437,120
61	Mar 22, 2026 00:32	11,833	416,345,074	370,516,000	19,973,000	2,289,664
62	Mar 22, 2026 01:26	12,356	436,339,355	391,748,000	15,989,000	2,306,048
63	Mar 22, 2026 00:23	12,823	476,213,035	406,185,000	16,965,000	2,531,328

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