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 16, 2021 18:43

Yuriy Lyfenko

Score: 17,797

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 16, 2021 18:42	17,399	4,881,701,935	558,176,000	16,005,000	2,465,792
2	May 16, 2021 18:43	17,472	2,565,100,164	558,593,000	17,986,000	2,527,232
3	May 16, 2021 18:43	17,517	5,475,129,565	560,078,000	17,970,000	2,457,600
4	May 16, 2021 18:43	17,523	4,860,588,560	561,267,000	17,008,000	2,465,792
5	May 16, 2021 18:43	17,554	5,085,970,550	559,312,000	19,975,000	2,469,888
6	May 16, 2021 18:42	17,557	3,620,859,882	562,384,000	16,981,000	2,461,696
7	May 16, 2021 18:42	17,585	4,160,243,524	564,340,000	15,981,000	2,265,088
8	May 16, 2021 18:43	17,587	3,585,881,225	567,391,000	12,986,000	2,469,888
9	May 16, 2021 18:43	17,600	5,350,578,069	564,821,000	15,994,000	2,527,232
10	May 16, 2021 18:43	17,620	1,086,256,994	565,479,000	15,985,000	2,465,792
11	May 16, 2021 18:43	17,639	4,195,121,059	582,083,046	0	2,248,704
12	May 16, 2021 18:43	17,643	4,469,818,240	562,222,000	20,007,000	2,465,792
13	May 16, 2021 18:43	17,648	3,936,865,885	566,404,000	15,983,000	2,465,792
14	May 16, 2021 18:42	17,653	2,261,507,987	567,546,000	14,988,000	2,465,792
15	May 16, 2021 18:43	17,666	4,832,814,055	568,980,000	13,999,000	2,465,792
16	May 16, 2021 18:43	17,686	2,105,171,402	569,661,000	13,991,000	2,461,696
17	May 16, 2021 18:43	17,718	2,333,648,797	584,691,129	0	2,248,704
18	May 16, 2021 18:43	17,738	1,563,636,151	569,415,000	15,955,000	2,465,792
19	May 16, 2021 18:42	17,775	929,645,290	586,584,621	0	2,248,704
20	May 16, 2021 18:43	17,782	3,882,315,814	586,794,809	0	2,248,704
21	May 16, 2021 18:43	17,794	1,935,238,264	587,193,116	0	2,248,704
22	May 16, 2021 18:42	17,797	861,751,054	587,292,741	0	2,236,416
23	May 16, 2021 18:43	17,988	5,443,641,096	593,598,160	0	2,248,704
24	May 16, 2021 18:43	18,004	5,032,830,795	580,155,000	13,979,000	2,457,600
25	May 16, 2021 18:42	18,005	2,808,402,824	574,209,000	19,972,000	2,465,792
26	May 16, 2021 18:43	18,012	1,070,251,292	576,450,000	17,951,000	2,461,696
27	May 16, 2021 18:43	18,029	5,540,421,401	577,979,000	16,970,000	2,465,792
28	May 16, 2021 18:42	18,038	4,461,186,188	577,264,000	17,977,000	2,465,792
29	May 16, 2021 18:42	18,040	1,534,062,749	595,335,259	0	2,248,704
30	May 16, 2021 18:43	18,106	2,709,652,841	583,497,000	13,987,000	2,461,696
31	May 16, 2021 18:42	18,121	764,399,022	581,024,000	16,971,000	2,469,888
32	May 16, 2021 18:43	18,122	2,834,874,378	578,016,000	20,000,000	2,465,792
33	May 16, 2021 18:42	18,123	1,966,707,266	581,074,000	16,972,000	2,265,088
34	May 16, 2021 18:43	18,132	3,060,510,925	582,369,000	15,982,000	2,465,792
35	May 16, 2021 18:42	18,150	1,527,303,971	580,995,000	17,968,000	2,465,792
36	May 16, 2021 18:43	18,233	3,866,743,906	601,683,983	0	2,244,608
37	May 16, 2021 18:43	18,249	4,070,769,725	602,207,300	0	2,240,512
38	May 16, 2021 18:43	18,267	2,598,928,732	602,810,687	0	2,244,608
39	May 16, 2021 18:43	18,271	4,839,704,723	602,945,427	0	2,240,512
40	May 16, 2021 18:43	18,286	706,013,498	603,426,091	0	2,244,608
41	May 16, 2021 18:43	18,322	5,291,306,378	604,617,211	0	2,252,800
42	May 16, 2021 18:43	18,390	4,707,743,836	606,873,601	0	2,252,800

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