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 29, 2021 14:51

Yuriy Lyfenko

Score: 17,635

Success

Source Code

Source code access is restricted. Log in to request access.

Challenge History

No challenges yet.

Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 29, 2021 14:50	16,955	615,611,286	559,525,355	0	2,236,416
2	May 29, 2021 14:50	16,976	626,679,717	560,224,359	0	2,228,224
3	May 29, 2021 14:51	16,994	627,275,383	560,814,941	0	2,228,224
4	May 29, 2021 14:50	16,998	631,815,265	560,932,070	0	2,240,512
5	May 29, 2021 14:50	17,007	635,463,981	561,235,282	0	2,240,512
6	May 24, 2021 19:29	17,008	625,242,585	561,274,337	0	2,240,512
7	May 29, 2021 14:51	17,023	615,099,028	561,759,416	0	2,236,416
8	May 29, 2021 14:51	17,067	629,519,891	563,216,802	0	2,224,128
9	May 29, 2021 14:50	17,086	631,000,822	563,833,735	0	2,232,320
10	May 24, 2021 19:29	17,101	637,295,021	564,340,401	0	2,248,704
11	May 29, 2021 14:51	17,119	630,477,503	564,915,170	0	2,232,320
12	May 29, 2021 14:50	17,132	626,279,390	565,370,030	0	2,224,128
13	May 29, 2021 14:51	17,139	630,443,749	565,574,524	0	2,240,512
14	May 29, 2021 14:51	17,154	623,759,544	566,070,548	0	2,244,608
15	May 24, 2021 19:29	17,479	627,201,396	576,819,150	0	2,236,416
16	May 24, 2021 19:29	17,508	652,042,553	577,764,417	0	2,236,416
17	May 24, 2021 19:29	17,582	623,713,243	580,219,839	0	2,228,224
18	May 29, 2021 14:51	17,590	607,820,510	562,493,000	17,983,000	2,355,200
19	May 24, 2021 19:29	17,605	637,341,003	580,972,420	0	2,240,512
20	May 24, 2021 19:29	17,611	608,374,108	563,143,000	18,004,000	2,322,432
21	May 29, 2021 14:51	17,616	614,969,648	565,315,000	16,008,000	2,367,488
22	May 29, 2021 14:50	17,624	609,687,213	564,599,000	16,987,000	2,326,528
23	May 24, 2021 19:29	17,635	606,529,748	566,964,000	14,999,000	2,273,280
24	May 24, 2021 19:29	17,638	605,981,538	564,057,000	18,001,000	2,412,544
25	May 24, 2021 19:29	17,693	610,632,042	565,865,000	17,995,000	2,330,624
26	May 29, 2021 14:50	17,696	607,040,524	569,974,000	13,999,000	2,441,216
27	May 24, 2021 19:29	17,711	611,563,169	567,485,000	16,984,000	2,338,816
28	May 24, 2021 19:29	17,713	616,250,988	573,550,000	10,991,000	2,326,528
29	May 29, 2021 14:50	17,720	608,167,726	570,754,000	13,993,000	2,326,528
30	May 24, 2021 19:29	17,723	614,741,186	569,860,000	14,996,000	2,420,736
31	May 24, 2021 19:29	17,761	614,716,454	571,100,000	15,002,000	2,469,888
32	May 29, 2021 14:50	17,772	615,685,915	568,490,000	17,983,000	2,334,720
33	May 29, 2021 14:51	17,836	613,777,852	575,590,000	12,990,000	2,490,368
34	May 24, 2021 19:29	17,877	622,736,105	575,944,000	13,998,000	2,334,720
35	May 29, 2021 14:50	17,881	618,377,411	575,081,000	15,002,000	2,269,184
36	May 29, 2021 14:50	17,893	621,805,256	573,490,000	16,984,000	2,326,528
37	May 29, 2021 14:51	17,992	617,255,230	578,742,000	14,993,000	2,506,752
38	May 29, 2021 14:51	18,066	622,514,547	583,202,000	12,982,000	2,318,336
39	May 29, 2021 14:51	18,158	628,940,445	587,234,000	11,984,000	2,330,624
40	May 29, 2021 14:50	18,160	625,822,813	582,304,000	16,979,000	2,392,064
41	May 29, 2021 14:51	18,174	629,882,727	580,759,000	18,992,000	2,433,024
42	May 29, 2021 14:50	18,243	633,071,784	585,062,000	16,972,000	2,326,528
43	May 29, 2021 14:51	18,260	631,998,421	586,601,000	15,989,000	2,322,432
44	May 29, 2021 14:51	18,300	634,160,256	589,928,000	13,974,000	2,326,528
45	May 29, 2021 14:50	18,326	634,941,111	587,758,000	16,993,000	2,326,528

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