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	1:20.1.2-0ubuntu1~24.04.3	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	3.0.13-0ubuntu3.11	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.

Date	Author	Language	Status	Score
Jun 7, 2021 17:27	Yurkov Aleksey	CPP	Success	38,436+0.89 RP
Jun 7, 2021 17:23	Yurkov Aleksey	CPP	Success	38,568+0.03 RP
Jun 7, 2021 17:21	Yurkov Aleksey	CPP	Error
Jun 7, 2021 17:13	Yurkov Aleksey	CPP	Success	38,572+43.82 RP
Jun 7, 2021 16:18	Yurkov Aleksey	CPP	Success	46,440
Jun 7, 2021 16:14	Yurkov Aleksey	CPP	Success	46,417+15.68 RP
Jun 7, 2021 15:42	Anna Stepko	CPP	Success	861,301
Jun 7, 2021 14:56	Anna Stepko	CPP	Success	468,575
Jun 7, 2021 14:24	Anna Stepko	CPP	Success	472,779
Jun 7, 2021 13:17	Anna Stepko	CPP	Success	467,581+0.03 RP
Jun 7, 2021 13:12	Anna Stepko	CPP	Success	468,220+21.36 RP
Jun 6, 2021 19:43	Sergey Stremin	RUST	Success	26,972+614.15 RP
Jun 4, 2021 20:58	Yuriy Lyfenko	CPP	Success	17,702
Jun 4, 2021 20:56	Yuriy Lyfenko	CPP	Success	17,974
Jun 4, 2021 20:55	Yuriy Lyfenko	CPP	Success	17,936
Jun 4, 2021 20:54	Yuriy Lyfenko	CPP	Success	17,694
Jun 4, 2021 20:52	Yuriy Lyfenko	CPP	Success	18,315
Jun 4, 2021 20:52	Yuriy Lyfenko	CPP	Success	18,177
Jun 4, 2021 20:50	Yuriy Lyfenko	CPP	Success	17,718
Jun 4, 2021 20:49	Yuriy Lyfenko	CPP	Success	17,771
Jun 4, 2021 20:42	Yuriy Lyfenko	CPP	Success	18,306
Jun 4, 2021 20:40	Yuriy Lyfenko	CPP	Error
Jun 4, 2021 20:38	Yuriy Lyfenko	CPP	Error
Jun 4, 2021 20:34	Yuriy Lyfenko	CPP	Success	17,920
Jun 4, 2021 20:33	Yuriy Lyfenko	CPP	Success	17,879
Jun 4, 2021 20:31	Yuriy Lyfenko	CPP	Success	17,057+2.00 RP
Jun 4, 2021 20:26	Yuriy Lyfenko	CPP	Success	18,660
Jun 4, 2021 20:25	Yuriy Lyfenko	CPP	Success	18,583
Jun 4, 2021 20:25	Yuriy Lyfenko	CPP	Success	18,520
Jun 4, 2021 20:23	Yuriy Lyfenko	CPP	Success	17,632
Jun 4, 2021 20:22	Yuriy Lyfenko	CPP	Success	17,673
Jun 4, 2021 20:21	Yuriy Lyfenko	CPP	Success	17,926
Jun 4, 2021 20:16	Yuriy Lyfenko	CPP	Success	17,918
Jun 4, 2021 20:15	Yuriy Lyfenko	CPP	Success	56,169
Jun 4, 2021 20:11	Yuriy Lyfenko	CPP	Success	17,662
Jun 4, 2021 18:14	Yuriy Lyfenko	CPP	Success	17,641
Jun 4, 2021 17:48	Yuriy Lyfenko	CPP	Success	18,840
Jun 4, 2021 17:48	Yuriy Lyfenko	CPP	Success	18,256
Jun 4, 2021 17:46	Yuriy Lyfenko	CPP	Error
Jun 4, 2021 17:44	Yuriy Lyfenko	CPP	Error
Jun 4, 2021 17:32	Yuriy Lyfenko	CPP	Success	22,930
Jun 4, 2021 17:15	Yuriy Lyfenko	CPP	Success	18,086
Jun 4, 2021 17:09	Yuriy Lyfenko	CPP	Error
Jun 4, 2021 16:54	Yuriy Lyfenko	CPP	Success	17,628
Jun 4, 2021 16:53	Yuriy Lyfenko	CPP	Success	17,673
Jun 4, 2021 16:53	Yuriy Lyfenko	CPP	Success	17,648
Jun 4, 2021 16:47	Yuriy Lyfenko	CPP	Success	17,119
Jun 4, 2021 16:46	Yuriy Lyfenko	CPP	Success	17,175
Jun 4, 2021 16:45	Yuriy Lyfenko	CPP	Success	17,086+1.78 RP
Jun 4, 2021 16:43	Yuriy Lyfenko	CPP	Success	17,112+31.70 RP
Jun 2, 2021 18:49	Yuriy Lyfenko	CPP	Success	17,673
Jun 2, 2021 18:48	Yuriy Lyfenko	CPP	Success	18,279
Jun 2, 2021 18:48	Yuriy Lyfenko	CPP	Success	18,496
Jun 2, 2021 18:47	Yuriy Lyfenko	CPP	Success	17,589+0.90 RP
Jun 2, 2021 18:46	Yuriy Lyfenko	CPP	Success	17,701
Jun 1, 2021 10:29	Mikhail Maximov	CPP	Success	255,933
Jun 1, 2021 10:13	Mikhail Maximov	CPP	Success	255,704+0.10 RP
Jun 1, 2021 09:47	Mikhail Maximov	CPP	Success	256,383+2.00 RP
Jun 1, 2021 09:39	Mikhail Maximov	CPP	Success	270,252+13.59 RP
Jun 1, 2021 09:25	Mikhail Maximov	CPP	Success	438,911
Jun 1, 2021 09:24	Mikhail Maximov	CPP	Error
Jun 1, 2021 09:20	Mikhail Maximov	CPP	Error
Jun 1, 2021 09:14	Mikhail Maximov	CPP	Success	427,185
May 29, 2021 18:31	Dmitry Dolgopolov	CPP	Success	330,651+30.24 RP
May 29, 2021 14:51	Yuriy Lyfenko	CPP	Success	17,635
May 28, 2021 15:54	Yurkov Aleksey	CPP	Success	75,481
May 28, 2021 15:53	Yurkov Aleksey	CPP	Success	64,307
May 28, 2021 15:53	Yurkov Aleksey	CPP	Success	92,050
May 28, 2021 15:50	Yurkov Aleksey	CPP	Success	59,054
May 28, 2021 15:45	Yurkov Aleksey	CPP	Success	61,119
May 28, 2021 15:44	Yurkov Aleksey	CPP	Success	61,026
May 28, 2021 15:43	Yurkov Aleksey	CPP	Success	60,885
May 28, 2021 15:41	Yurkov Aleksey	CPP	Success	225,598
May 28, 2021 15:40	Yurkov Aleksey	CPP	Success	61,319
May 28, 2021 15:40	Yurkov Aleksey	CPP	Success	61,399
May 28, 2021 15:39	Yurkov Aleksey	CPP	Success	78,375
May 28, 2021 15:38	Yurkov Aleksey	CPP	Success	65,289
May 28, 2021 15:36	Yurkov Aleksey	CPP	Success	61,247
May 28, 2021 15:35	Yurkov Aleksey	CPP	Success	71,545
May 28, 2021 15:33	Yurkov Aleksey	CPP	Success	61,460
May 25, 2021 18:45	Yuriy Lyfenko	CPP	Success	18,382
May 25, 2021 18:45	Yuriy Lyfenko	CPP	Success	18,197
May 25, 2021 18:43	Yuriy Lyfenko	CPP	Success	18,017
May 24, 2021 19:27	Yuriy Lyfenko	CPP	Success	17,651
May 24, 2021 19:26	Yuriy Lyfenko	CPP	Success	17,632
May 24, 2021 14:39	evgenikwt	CPP	Success	55,100
May 24, 2021 14:08	evgenikwt	CPP	Error
May 24, 2021 07:27	a-poptsov	GO	Success	243,687+41.04 RP
May 24, 2021 07:07	Andrei Grazhdankov	RUST	Success	78,520+127.36 RP
May 24, 2021 04:20	evgenikwt	CPP	Success	56,998
May 24, 2021 03:00	evgenikwt	CPP	Success	56,353
May 24, 2021 02:53	evgenikwt	CPP	Error
May 24, 2021 02:51	evgenikwt	CPP	Success	54,884
May 24, 2021 01:21	evgenikwt	CPP	Error
May 24, 2021 00:58	evgenikwt	CPP	Error
May 24, 2021 00:53	evgenikwt	CPP	Success	51,339
May 24, 2021 00:41	evgenikwt	CPP	Error
May 23, 2021 20:16	evgenikwt	CPP	Error
May 23, 2021 20:02	evgenikwt	CPP	Success	50,022+0.90 RP
May 23, 2021 20:00	evgenikwt	CPP	Error

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