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 12, 2024 00:06

Joad Nacer

Score: 12,044

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 12, 2024 00:07	10,413	371,218,491	286,701,000	56,940,000	2,330,624
2	May 12, 2024 00:07	10,434	371,847,895	285,436,000	58,883,000	2,420,736
3	May 12, 2024 00:07	10,436	371,675,926	286,501,000	57,899,000	2,355,200
4	May 12, 2024 00:07	10,436	367,281,262	286,487,000	57,896,000	2,428,928
5	May 12, 2024 00:07	10,447	366,968,371	285,788,000	58,956,000	2,527,232
6	May 12, 2024 00:07	10,516	381,194,447	291,023,000	56,004,000	2,396,160
7	May 12, 2024 00:07	10,556	376,979,429	291,461,000	56,894,000	2,310,144
8	May 12, 2024 00:07	10,586	373,687,425	289,440,000	59,884,000	2,527,232
9	May 12, 2024 00:07	10,650	381,507,696	292,533,000	58,906,000	2,326,528
10	May 12, 2024 00:06	10,760	439,809,029	355,075,903	0	2,232,320
11	May 12, 2024 00:06	10,910	420,560,869	360,035,269	0	2,277,376
12	May 12, 2024 00:06	10,922	416,167,056	360,419,790	0	2,224,128
13	May 12, 2024 00:06	10,971	435,275,675	362,054,865	0	2,220,032
14	May 12, 2024 00:06	11,256	438,872,693	371,433,411	0	2,232,320
15	May 12, 2024 00:06	11,317	434,083,632	373,447,854	0	2,228,224
16	May 12, 2024 00:07	11,484	444,876,895	378,964,313	0	2,228,224
17	May 12, 2024 00:07	11,488	449,569,924	379,096,007	0	2,224,128
18	May 12, 2024 00:07	11,511	437,108,383	379,862,347	0	2,224,128
19	May 12, 2024 00:06	12,044	422,166,333	340,518,000	56,919,000	2,347,008
20	May 12, 2024 00:06	12,123	429,981,684	344,043,000	56,007,000	2,420,736
21	May 12, 2024 00:06	12,193	425,776,295	345,468,000	56,912,000	2,441,216
22	May 12, 2024 00:06	12,220	438,335,110	345,375,000	57,895,000	2,465,792
23	May 12, 2024 00:06	12,276	430,423,736	349,085,000	56,013,000	2,318,336
24	May 12, 2024 00:06	12,320	429,533,411	347,630,000	58,937,000	2,478,080
25	May 12, 2024 00:06	12,321	429,980,202	349,655,000	56,943,000	2,420,736
26	May 12, 2024 00:06	12,322	430,449,941	346,691,000	59,946,000	2,428,928
27	May 12, 2024 00:06	12,331	429,773,045	350,945,000	55,991,000	2,428,928
28	May 12, 2024 00:06	12,354	435,949,952	348,741,000	58,956,000	2,404,352
29	May 12, 2024 00:06	12,356	431,065,152	349,795,000	57,966,000	2,506,752
30	May 12, 2024 00:06	12,362	440,882,597	351,950,000	55,992,000	2,347,008
31	May 12, 2024 00:06	12,394	435,857,179	350,999,000	57,999,000	2,301,952
32	May 12, 2024 00:06	12,415	434,873,351	348,751,000	60,956,000	2,416,640
33	May 12, 2024 00:06	12,429	440,837,435	353,128,000	57,020,000	2,428,928
34	May 12, 2024 00:06	12,510	434,719,528	353,867,000	58,977,000	2,420,736
35	May 12, 2024 00:06	12,579	444,766,024	359,107,000	56,016,000	2,379,776
36	May 12, 2024 00:06	13,250	460,686,829	378,338,000	58,896,000	2,449,408

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