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 22:15

Joad Nacer

Score: 17,459

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 17:33	16,364	597,142,931	540,019,818	0	2,248,704
2	May 11, 2024 17:33	16,378	603,987,651	540,478,898	0	2,256,896
3	May 11, 2024 17:25	16,379	605,841,487	540,517,364	0	2,240,512
4	May 11, 2024 17:25	16,380	607,299,132	540,540,805	0	2,199,552
5	May 11, 2024 17:25	16,389	616,077,060	540,827,472	0	2,265,088
6	May 11, 2024 17:33	16,416	603,962,298	541,712,654	0	2,240,512
7	May 11, 2024 22:15	16,853	629,509,041	556,159,576	0	2,215,936
8	May 11, 2024 17:25	17,252	597,703,654	420,488,000	148,819,000	2,297,856
9	May 11, 2024 22:15	17,266	625,476,434	569,779,820	0	2,306,048
10	May 11, 2024 17:33	17,365	605,324,966	411,304,000	161,726,000	2,301,952
11	May 11, 2024 17:25	17,384	597,626,225	411,764,000	161,907,000	2,277,376
12	May 11, 2024 17:33	17,397	598,605,510	416,340,000	157,749,000	2,445,312
13	May 11, 2024 22:15	17,401	635,563,283	574,225,089	0	2,289,664
14	May 11, 2024 17:33	17,409	597,705,295	416,641,000	157,864,000	2,486,272
15	May 11, 2024 17:33	17,416	604,406,962	407,801,000	166,918,000	2,412,544
16	May 11, 2024 17:25	17,425	600,492,962	407,318,000	167,719,000	2,510,848
17	May 11, 2024 22:15	17,445	600,580,113	421,031,000	154,644,000	2,461,696
18	May 11, 2024 17:33	17,447	600,149,258	405,834,000	169,930,000	2,277,376
19	May 11, 2024 17:25	17,459	601,944,781	416,388,000	159,765,000	2,273,280
20	May 11, 2024 22:15	17,460	604,700,250	421,406,000	154,781,000	2,273,280
21	May 11, 2024 17:25	17,463	598,650,628	408,500,000	167,794,000	2,433,024
22	May 11, 2024 22:15	17,468	599,571,477	420,592,000	155,848,000	2,453,504
23	May 11, 2024 17:25	17,503	600,974,027	426,705,000	150,895,000	2,359,296
24	May 11, 2024 22:15	17,504	601,088,137	421,737,000	155,903,000	2,277,376
25	May 11, 2024 17:25	17,550	604,469,245	394,415,000	184,726,000	2,383,872
26	May 11, 2024 17:33	17,597	603,879,385	429,789,000	150,926,000	2,433,024
27	May 11, 2024 17:33	17,613	605,267,276	420,435,000	160,784,000	2,351,104
28	May 11, 2024 17:33	17,639	606,112,485	436,324,000	145,774,000	2,269,184
29	May 11, 2024 22:15	17,649	607,066,640	427,582,000	154,848,000	2,314,240
30	May 11, 2024 22:15	17,868	618,295,916	436,735,000	152,907,000	2,367,488
31	May 11, 2024 17:25	17,873	618,048,804	434,119,000	155,684,000	2,277,376
32	May 11, 2024 22:15	17,916	612,560,001	445,426,000	145,812,000	2,273,280
33	May 11, 2024 17:25	17,961	617,374,266	426,084,000	166,641,000	2,383,872
34	May 11, 2024 22:15	18,095	621,609,243	430,379,000	166,759,000	2,351,104
35	May 11, 2024 17:33	18,124	621,392,501	440,323,000	157,757,000	2,277,376
36	May 11, 2024 22:15	19,134	655,673,304	468,581,000	162,854,000	2,355,200

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