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 listAug 29, 2022 15:56

Bernard Teo

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Run Statistics

#	Date	Score	Wall Time	CPU User	Memory	Error
1	Aug 29, 2022 16:18	0	0	0	0	Error: expected "1020644 ", got "1020643"
2	Aug 29, 2022 16:18	0	0	0	0	Error: expected "1022966 ", got "1022965"
3	Aug 29, 2022 15:59	0	0	0	0	Error: expected "1022794 ", got "1022793"
4	Aug 29, 2022 15:56	0	0	0	0	Error: expected "1020374 ", got "1020373"
5	Aug 29, 2022 15:56	0	0	0	0	Error: expected "1020071 ", got "1020070"
6	Aug 29, 2022 15:56	0	0	0	0	Error: expected "1026765 ", got "1026764"
7	Aug 29, 2022 16:18	4,817	224,475,398	158,971,198	2,301,952
8	Aug 29, 2022 16:18	4,823	246,214,261	159,161,327	2,289,664
9	Aug 29, 2022 15:59	4,827	222,843,524	159,297,720	2,301,952
10	Aug 29, 2022 16:18	4,834	227,361,170	159,509,124	2,301,952
11	Aug 29, 2022 15:59	4,836	237,911,871	159,572,987	2,301,952
12	Aug 29, 2022 15:56	4,837	256,822,810	159,631,315	2,301,952
13	Aug 29, 2022 15:59	4,837	227,398,582	159,611,435	2,293,760
14	Aug 29, 2022 15:59	4,839	229,371,614	159,685,171	2,297,856
15	Aug 29, 2022 15:59	4,845	219,600,251	159,871,581	2,179,072
16	Aug 29, 2022 15:59	4,851	231,277,381	160,066,564	2,297,856
17	Aug 29, 2022 16:18	4,852	221,020,749	160,113,372	2,297,856
18	Aug 29, 2022 16:18	4,853	220,905,272	160,142,331	2,301,952
19	Aug 29, 2022 16:18	4,855	220,144,982	160,231,267	2,297,856
20	Aug 29, 2022 15:59	4,858	238,594,530	160,317,791	2,293,760
21	Aug 29, 2022 15:56	4,860	211,876,975	160,383,103	2,301,952
22	Aug 29, 2022 15:56	4,861	223,213,580	160,425,883	2,256,896
23	Aug 29, 2022 15:56	4,867	229,137,363	160,616,497	2,301,952
24	Aug 29, 2022 15:56	4,867	224,123,957	160,610,731	2,293,760
25	Aug 29, 2022 16:18	4,867	228,435,352	160,626,248	2,293,760
26	Aug 29, 2022 15:59	4,870	213,423,788	160,712,970	2,297,856
27	Aug 29, 2022 16:18	4,873	230,344,549	160,793,804	2,297,856
28	Aug 29, 2022 15:56	4,873	222,654,387	160,793,466	2,293,760
29	Aug 29, 2022 15:59	4,874	215,622,640	160,846,755	2,301,952
30	Aug 29, 2022 15:59	4,875	224,224,885	160,889,464	2,293,760
31	Aug 29, 2022 15:56	4,877	237,606,736	160,935,785	2,301,952
32	Aug 29, 2022 15:59	4,877	235,602,983	160,952,710	2,301,952
33	Aug 29, 2022 15:59	4,879	222,622,302	161,014,424	2,285,568
34	Aug 29, 2022 16:18	4,887	220,327,233	161,278,186	2,297,856
35	Aug 29, 2022 15:56	4,893	221,786,614	161,474,950	2,301,952
36	Aug 29, 2022 16:18	5,041	237,389,473	166,344,441	2,301,952
37	Aug 29, 2022 16:18	5,103	238,629,238	168,394,113	2,256,896
38	Aug 29, 2022 15:56	5,111	227,451,743	168,647,670	2,297,856
39	Aug 29, 2022 16:18	5,154	240,240,440	170,088,366	2,252,800

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