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 listMay 11, 2021 19:55

Yuriy Lyfenko

Score: 17,973

Success

Source Code

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Challenge History

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 11, 2021 19:53	17,439	603,811,065	561,496,000	13,987,000	2,293,760
2	May 11, 2021 19:53	17,495	608,110,206	562,338,000	15,009,000	2,433,024
3	May 11, 2021 19:53	17,502	601,819,660	560,574,000	16,987,000	2,326,528
4	May 11, 2021 19:52	17,511	613,344,326	556,853,000	20,994,000	2,273,280
5	May 11, 2021 19:54	17,520	608,663,556	556,141,000	22,005,000	2,371,584
6	May 11, 2021 19:54	17,529	608,294,478	562,464,000	15,984,000	2,523,136
7	May 11, 2021 19:52	17,545	602,490,064	561,992,000	16,999,000	2,330,624
8	May 11, 2021 19:54	17,547	608,462,834	560,036,000	19,001,000	2,334,720
9	May 11, 2021 19:53	17,547	609,572,070	561,052,000	18,001,000	2,445,312
10	May 11, 2021 19:52	17,548	605,970,510	563,078,000	16,002,000	2,269,184
11	May 11, 2021 19:52	17,558	609,173,773	558,448,000	20,979,000	2,289,664
12	May 11, 2021 19:52	17,583	614,289,594	560,238,000	20,008,000	2,297,856
13	May 11, 2021 19:52	17,584	611,175,738	566,263,000	14,006,000	2,318,336
14	May 11, 2021 19:53	17,644	618,484,460	568,262,000	14,006,000	2,334,720
15	May 11, 2021 19:52	17,843	643,181,127	588,835,386	0	2,244,608
16	May 11, 2021 19:54	17,858	649,778,956	589,329,369	0	2,244,608
17	May 11, 2021 19:52	17,860	655,351,917	589,395,729	0	2,244,608
18	May 11, 2021 19:53	17,896	658,259,566	590,584,262	0	2,248,704
19	May 11, 2021 19:54	17,903	618,972,727	574,792,000	15,994,000	2,523,136
20	May 11, 2021 19:54	17,909	655,183,894	590,986,730	0	2,236,416
21	May 11, 2021 19:54	17,932	655,098,189	591,740,648	0	2,248,704
22	May 11, 2021 19:52	17,973	657,354,617	593,118,575	0	2,224,128
23	May 11, 2021 19:53	18,009	651,449,793	594,303,828	0	2,244,608
24	May 11, 2021 19:53	18,011	624,184,097	580,377,000	13,985,000	2,314,240
25	May 11, 2021 19:54	18,019	670,019,151	594,625,456	0	2,240,512
26	May 11, 2021 19:52	18,023	622,945,489	581,754,000	12,994,000	2,527,232
27	May 11, 2021 19:54	18,030	623,375,444	582,017,000	12,978,000	2,461,696
28	May 11, 2021 19:53	18,038	620,626,006	577,283,000	17,977,000	2,326,528
29	May 11, 2021 19:54	18,043	623,412,819	577,439,000	17,982,000	2,326,528
30	May 11, 2021 19:52	18,053	624,718,756	576,756,000	18,991,000	2,494,464
31	May 11, 2021 19:54	18,107	628,904,239	582,534,000	14,988,000	2,437,120
32	May 11, 2021 19:53	18,128	625,506,278	582,258,000	15,979,000	2,301,952
33	May 11, 2021 19:54	18,139	627,124,071	584,590,000	13,990,000	2,330,624
34	May 11, 2021 19:52	18,160	634,465,831	582,316,000	16,980,000	2,322,432
35	May 11, 2021 19:53	18,186	629,371,657	583,154,000	16,975,000	2,322,432
36	May 11, 2021 19:55	18,238	668,842,192	601,860,379	0	2,248,704
37	May 11, 2021 19:54	18,283	629,034,727	585,354,000	17,980,000	2,281,472
38	May 11, 2021 19:53	18,329	679,491,079	604,872,162	0	2,240,512
39	May 11, 2021 19:54	18,384	660,495,808	606,656,360	0	2,244,608
40	May 11, 2021 19:54	18,454	665,194,833	608,983,399	0	2,240,512
41	May 11, 2021 19:55	18,471	672,536,967	609,543,999	0	2,240,512
42	May 11, 2021 19:55	18,498	676,652,193	610,430,067	0	2,240,512

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