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, 2024 22:18

Joad Nacer

Score: 17,482

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, 2024 22:18	16,789	613,491,201	554,026,498	0	2,273,280
2	May 11, 2024 22:18	16,839	615,266,525	555,692,384	0	2,277,376
3	May 11, 2024 22:17	17,093	591,500,238	407,326,000	156,740,000	2,433,024
4	May 11, 2024 22:17	17,109	593,093,119	411,710,000	152,892,000	2,342,912
5	May 11, 2024 22:17	17,110	628,137,559	564,616,407	0	2,269,184
6	May 11, 2024 22:18	17,115	589,601,158	410,845,000	153,942,000	2,338,816
7	May 11, 2024 22:17	17,118	590,970,745	420,922,000	143,973,000	2,277,376
8	May 11, 2024 22:18	17,159	589,726,664	407,453,000	158,787,000	2,269,184
9	May 11, 2024 22:17	17,180	592,863,075	412,955,000	153,983,000	2,326,528
10	May 11, 2024 22:17	17,199	591,345,676	406,684,000	160,875,000	2,338,816
11	May 11, 2024 22:18	17,219	592,978,571	399,466,000	168,774,000	2,277,376
12	May 11, 2024 22:17	17,228	645,845,223	568,529,054	0	2,260,992
13	May 11, 2024 22:18	17,232	595,175,164	404,744,000	163,896,000	2,334,720
14	May 11, 2024 22:17	17,252	592,483,813	422,483,000	146,820,000	2,334,720
15	May 11, 2024 22:17	17,271	596,158,141	413,222,000	156,705,000	2,326,528
16	May 11, 2024 22:18	17,272	634,474,801	569,960,752	0	2,277,376
17	May 11, 2024 22:18	17,371	604,442,170	426,441,000	146,807,000	2,469,888
18	May 11, 2024 22:18	17,443	601,065,231	428,717,000	146,903,000	2,281,472
19	May 11, 2024 22:18	17,482	604,283,310	412,226,000	164,691,000	2,433,024
20	May 11, 2024 22:17	17,575	643,145,841	579,961,155	0	2,260,992
21	May 11, 2024 22:18	17,577	647,001,026	580,053,232	0	2,265,088
22	May 11, 2024 22:18	17,593	610,314,572	421,690,000	158,883,000	2,342,912
23	May 11, 2024 22:17	17,634	610,238,625	419,218,000	162,696,000	2,527,232
24	May 11, 2024 22:17	17,658	606,940,439	420,805,000	161,925,000	2,338,816
25	May 11, 2024 22:18	17,664	641,225,493	582,918,239	0	2,265,088
26	May 11, 2024 22:18	17,675	641,605,279	583,270,761	0	2,269,184
27	May 11, 2024 22:18	17,738	609,992,722	435,519,000	149,834,000	2,277,376
28	May 11, 2024 22:18	21,853	749,854,335	576,319,000	144,828,000	2,289,664
29	May 11, 2024 22:18	21,989	747,472,197	580,715,000	144,929,000	2,453,504
30	May 11, 2024 22:18	21,998	754,007,616	576,957,000	148,989,000	2,510,848
31	May 11, 2024 22:18	22,066	752,436,364	581,349,000	146,835,000	2,277,376
32	May 11, 2024 22:18	22,128	752,995,941	586,364,000	143,844,000	2,338,816
33	May 11, 2024 22:18	22,187	768,212,035	581,335,000	150,827,000	2,277,376
34	May 11, 2024 22:18	22,256	760,013,174	582,569,000	151,887,000	2,400,256
35	May 11, 2024 22:18	22,729	779,202,492	600,240,000	149,810,000	2,392,064
36	May 11, 2024 22:18	24,156	819,597,532	639,311,000	157,830,000	2,342,912

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