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 15:03

Bernard Teo

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Challenge History

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Run Statistics

#	Date	Score	Wall Time	CPU User	Memory	Error
1	Aug 29, 2022 15:35	0	0	0	0	Error: expected "1020391 ", got "1020390"
2	Aug 29, 2022 15:35	0	0	0	0	Error: expected "1023397 ", got "1023396"
3	Aug 29, 2022 15:17	0	0	0	0	Error: expected "1019795 ", got "1019794"
4	Aug 29, 2022 15:03	0	0	0	0	Error: expected "1019659 ", got "1019658"
5	Aug 29, 2022 15:04	0	0	0	0	Error: expected "1021471 ", got "1021470"
6	Aug 29, 2022 15:05	4,982	232,303,169	164,407,253	2,301,952
7	Aug 29, 2022 15:06	4,998	231,844,835	164,918,238	2,301,952
8	Aug 29, 2022 15:05	5,004	227,592,266	165,124,075	2,174,976
9	Aug 29, 2022 15:35	5,019	231,732,035	165,629,762	2,301,952
10	Aug 29, 2022 15:05	5,020	236,993,736	165,671,585	2,293,760
11	Aug 29, 2022 15:06	5,021	233,890,295	165,693,407	2,301,952
12	Aug 29, 2022 15:35	5,021	227,729,370	165,708,233	2,301,952
13	Aug 29, 2022 15:03	5,023	223,458,322	165,750,471	2,174,976
14	Aug 29, 2022 15:06	5,023	219,894,786	165,760,408	2,297,856
15	Aug 29, 2022 15:06	5,023	239,973,022	165,768,614	2,301,952
16	Aug 29, 2022 15:05	5,025	235,792,872	165,836,236	2,297,856
17	Aug 29, 2022 15:06	5,027	230,888,874	165,885,389	2,301,952
18	Aug 29, 2022 15:03	5,027	224,873,270	165,899,822	2,289,664
19	Aug 29, 2022 15:06	5,029	225,724,894	165,959,086	2,297,856
20	Aug 29, 2022 15:06	5,030	228,210,114	165,976,483	2,297,856
21	Aug 29, 2022 15:04	5,036	224,860,444	166,197,195	2,289,664
22	Aug 29, 2022 15:03	5,038	225,407,579	166,260,052	2,174,976
23	Aug 29, 2022 15:05	5,040	229,065,423	166,315,312	2,297,856
24	Aug 29, 2022 15:03	5,041	242,235,525	166,368,240	2,301,952
25	Aug 29, 2022 15:04	5,043	236,379,473	166,417,748	2,297,856
26	Aug 29, 2022 15:04	5,051	229,878,878	166,668,700	2,297,856
27	Aug 29, 2022 15:35	5,052	238,845,987	166,709,664	2,293,760
28	Aug 29, 2022 15:06	5,061	232,748,341	167,000,909	2,301,952
29	Aug 29, 2022 15:06	5,065	233,462,231	167,137,740	2,301,952
30	Aug 29, 2022 15:05	5,095	227,844,163	168,147,351	2,289,664
31	Aug 29, 2022 15:03	5,098	228,598,252	168,241,824	2,301,952
32	Aug 29, 2022 15:06	5,109	227,949,515	168,582,976	2,301,952
33	Aug 29, 2022 15:03	5,110	239,028,431	168,640,243	2,293,760
34	Aug 29, 2022 15:03	5,110	240,333,681	168,637,450	2,306,048
35	Aug 29, 2022 15:06	5,111	243,166,695	168,671,281	2,297,856
36	Aug 29, 2022 15:17	5,112	242,872,681	168,694,431	2,301,952
37	Aug 29, 2022 15:05	5,112	245,458,302	168,708,473	2,293,760
38	Aug 29, 2022 15:03	5,112	234,424,176	168,690,248	2,297,856
39	Aug 29, 2022 15:35	5,114	239,831,713	168,757,526	2,297,856
40	Aug 29, 2022 15:17	5,115	236,007,464	168,781,409	2,293,760
41	Aug 29, 2022 15:17	5,116	228,314,438	168,835,435	2,289,664
42	Aug 29, 2022 15:35	5,118	237,360,341	168,904,282	2,293,760
43	Aug 29, 2022 15:06	5,121	234,371,980	168,977,374	2,297,856
44	Aug 29, 2022 15:05	5,124	230,724,886	169,106,320	2,301,952
45	Aug 29, 2022 15:05	5,148	247,830,726	169,900,370	2,301,952
46	Aug 29, 2022 15:03	5,191	252,409,749	171,301,609	2,297,856
47	Aug 29, 2022 15:35	5,197	246,498,500	171,499,606	2,174,976

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