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 listJun 4, 2021 20:50

Yuriy Lyfenko

Score: 17,718

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	Jun 4, 2021 20:50	16,984	1,138,933,862	560,477,016	0	2,236,416
2	Jun 4, 2021 20:50	17,000	1,120,434,972	561,009,562	0	2,248,704
3	Jun 4, 2021 20:56	17,086	1,130,158,242	563,850,674	0	2,244,608
4	Jun 4, 2021 20:50	17,091	1,138,320,296	564,002,226	0	2,240,512
5	Jun 4, 2021 20:56	17,123	1,128,002,538	565,068,245	0	2,244,608
6	Jun 4, 2021 20:56	17,146	1,120,987,920	565,815,784	0	2,236,416
7	Jun 4, 2021 20:56	17,158	1,125,338,978	566,230,309	0	2,240,512
8	Jun 4, 2021 20:56	17,522	1,146,864,139	578,231,362	0	2,248,704
9	Jun 4, 2021 20:50	17,542	1,131,793,949	578,881,554	0	2,236,416
10	Jun 4, 2021 20:56	17,551	1,147,685,121	579,169,876	0	2,244,608
11	Jun 4, 2021 20:50	17,566	1,151,560,016	579,680,941	0	2,240,512
12	Jun 4, 2021 20:50	17,620	1,131,944,193	581,462,118	0	2,236,416
13	Jun 4, 2021 20:56	17,660	1,111,211,900	566,802,000	15,994,000	2,523,136
14	Jun 4, 2021 20:56	17,671	1,109,210,569	566,127,000	17,003,000	2,461,696
15	Jun 4, 2021 20:50	17,687	1,113,507,829	567,670,000	15,990,000	2,461,696
16	Jun 4, 2021 20:50	17,718	1,109,737,514	566,715,000	17,990,000	2,326,528
17	Jun 4, 2021 20:50	17,718	1,113,460,873	567,689,000	16,990,000	2,461,696
18	Jun 4, 2021 20:56	17,719	1,110,486,009	566,720,000	17,991,000	2,461,696
19	Jun 4, 2021 20:56	17,730	1,119,104,815	567,097,000	18,003,000	2,461,696
20	Jun 4, 2021 20:56	17,762	1,113,420,449	573,161,000	12,981,000	2,457,600
21	Jun 4, 2021 20:50	17,793	1,113,012,747	568,153,000	19,005,000	2,461,696
22	Jun 4, 2021 20:50	17,798	1,119,529,414	569,342,000	17,979,000	2,457,600
23	Jun 4, 2021 20:50	17,836	1,113,057,764	570,617,000	17,987,000	2,457,600
24	Jun 4, 2021 20:50	17,859	1,121,173,824	576,369,000	12,985,000	2,260,992
25	Jun 4, 2021 20:56	17,866	1,111,177,829	570,586,000	18,986,000	2,465,792
26	Jun 4, 2021 20:50	18,173	1,122,581,472	585,680,000	14,016,000	2,461,696
27	Jun 4, 2021 20:56	18,225	1,129,502,813	585,447,000	15,984,000	2,461,696
28	Jun 4, 2021 20:50	18,275	1,130,094,339	587,102,000	15,975,000	2,519,040
29	Jun 4, 2021 20:56	18,304	1,133,837,478	586,047,000	17,970,000	2,457,600
30	Jun 4, 2021 20:56	18,322	1,129,394,811	588,648,000	15,990,000	2,465,792

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