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
Nov 21, 2025 00:57	izotoff	GOgo1.11	Success	27,093
Nov 21, 2025 00:55	izotoff	GOgo1.11	Success	26,790+3.70 RP
Nov 21, 2025 00:51	izotoff	GOgo1.11	Success	29,493
Nov 21, 2025 00:50	izotoff	GOgo1.11	Success	27,457
Nov 21, 2025 00:39	izotoff	GOgo1.11	Success	27,058+183.07 RP
Nov 21, 2025 00:13	izotoff	GOgo1.11	Success	54,517
Nov 21, 2025 00:10	izotoff	GOgo1.25.4	Success	53,617+1.17 RP
Nov 21, 2025 00:02	izotoff	GOgo1.25.4	Success	53,955+0.40 RP
Nov 21, 2025 00:01	izotoff	GOgo1.25.4	Success	105,107
Nov 20, 2025 23:57	izotoff	GOgo1.25.4	Success	104,762
Nov 20, 2025 23:55	izotoff	GOgo1.25.4	Error
Nov 20, 2025 23:53	izotoff	GOgo1.25.4	Success	74,465
Nov 20, 2025 23:51	izotoff	GOgo1.25.4	Success	56,454
Nov 20, 2025 23:44	izotoff	GOgo1.25.4	Success	54,073+8.23 RP
Nov 20, 2025 23:40	izotoff	GOgo1.25.4	Success	56,970
Nov 20, 2025 23:38	izotoff	GOgo1.25.4	Success	59,150
Nov 20, 2025 23:30	izotoff	GOgo1.25.4	Success	58,358
Nov 20, 2025 23:25	izotoff	GOgo1.25.4	Success	56,592+60.91 RP
Nov 20, 2025 22:59	izotoff	GOgo1.25.4	Success	102,718
Nov 20, 2025 22:39	izotoff	GOgo1.25.4	Error
Nov 20, 2025 22:14	izotoff	GOgo1.25.4	Error
Nov 20, 2025 21:34	izotoff	GOgo1.21.5	Error
Nov 20, 2025 20:56	izotoff	GOgo1.21.5	Success	87,269
Nov 20, 2025 20:55	izotoff	GOgo1.21.5	Success	87,269
Nov 20, 2025 20:53	izotoff	GOgo1.21.5	Success	91,105
Nov 20, 2025 20:52	izotoff	GOgo1.21.5	Success	86,361+6.30 RP
Nov 18, 2025 22:52	Aleksei Shahoika	CPPclang++18.1.3	Success	38,026
Nov 18, 2025 22:50	Aleksei Shahoika	CPPclang++18.1.3	Success	46,124
Nov 18, 2025 22:15	Aleksei Shahoika	CPPclang++18.1.3	Success	36,682+148.08 RP
Nov 15, 2025 23:00	Aniruddha Deb	CPPclang++18.1.3	Success	13,316+9.19 RP
Nov 15, 2025 22:50	Aleksei Shahoika	CPPclang++18.1.3	Success	80,818
Nov 15, 2025 22:44	Aleksei Shahoika	CPPclang++18.1.3	Success	80,297+17.62 RP
Nov 15, 2025 22:43	Aleksei Shahoika	CPPclang++18.1.3	Error
Nov 15, 2025 22:34	Aleksei Shahoika	CPPclang++18.1.3	Success	93,527+60.67 RP
Nov 15, 2025 22:31	Aleksei Shahoika	CPPclang++18.1.3	Error
Nov 15, 2025 22:26	Aniruddha Deb	CPPclang++18.1.3	Error
Nov 15, 2025 22:21	Aniruddha Deb	CPPg++13.3.0	Success	13,616
Nov 15, 2025 22:19	Aniruddha Deb	CPPg++13.3.0	Success	13,481+41.21 RP
Nov 15, 2025 22:14	Aniruddha Deb	CPPg++13.3.0	Success	14,274+3.08 RP
Nov 15, 2025 22:12	Aleksei Shahoika	CPPclang++18.1.3	Success	216,197+46.25 RP
Nov 15, 2025 22:12	Aniruddha Deb	CPPg++13.3.0	Success	14,337+15.00 RP
Nov 15, 2025 22:05	Aniruddha Deb	CPPg++13.3.0	Error
Nov 15, 2025 22:02	Aniruddha Deb	CPPg++13.3.0	Success	15,998
Nov 15, 2025 05:59	izotoff	GOgo1.25.4	Error
Nov 15, 2025 05:57	izotoff	GOgo1.25.4	Error
Nov 15, 2025 01:57	izotoff	GOgo1.25.4	Error
Nov 15, 2025 01:53	izotoff	GOgo1.25.4	Error
Nov 15, 2025 01:52	izotoff	GOgo1.25.4	Error
Nov 15, 2025 00:09	izotoff	GOgo1.25.4	Success	91,326+32.04 RP
Nov 14, 2025 23:19	izotoff	GOgo1.25.4	Success	129,105+0.05 RP
Nov 14, 2025 22:43	Aniruddha Deb	CPPg++13.3.0	Success	15,644
Nov 14, 2025 22:41	Aniruddha Deb	CPPg++13.3.0	Success	15,846
Nov 14, 2025 22:41	Aniruddha Deb	CPPg++13.3.0	Success	15,637
Nov 14, 2025 22:12	izotoff	GOgo1.25.4	Success	134,329
Nov 14, 2025 22:08	izotoff	GOgo1.25.4	Success	129,189+33.95 RP
Nov 14, 2025 19:50	izotoff	GOgo1.25.4	Success	279,460
Nov 14, 2025 18:47	izotoff	GOgo1.12.4	Success	237,464
Nov 12, 2025 19:09	izotoff	GOgo1.12.4	Success	236,727
Nov 12, 2025 19:08	izotoff	GOgo1.12.4	Success	236,782
Nov 12, 2025 16:12	Aliaksandr Mikhei	CPPg++13.3.0	Success	58,918+11.34 RP
Nov 12, 2025 16:11	Aliaksandr Mikhei	CPPg++13.3.0	Success	96,478
Nov 12, 2025 16:10	Aliaksandr Mikhei	CPPg++13.3.0	Success	127,129
Nov 12, 2025 16:09	Aliaksandr Mikhei	CPPg++13.3.0	Success	126,315
Nov 12, 2025 16:01	Aliaksandr Mikhei	CPPg++13.3.0	Success	128,424
Nov 12, 2025 16:00	Aliaksandr Mikhei	CPPg++13.3.0	Success	128,696
Nov 12, 2025 15:57	Aliaksandr Mikhei	CPPg++13.3.0	Success	127,644
Nov 12, 2025 15:48	Aliaksandr Mikhei	CPPg++13.3.0	Success	63,136+48.94 RP
Nov 12, 2025 15:46	Aliaksandr Mikhei	CPPg++13.3.0	Success	140,054
Nov 12, 2025 15:40	Aliaksandr Mikhei	CPPg++13.3.0	Error
Nov 12, 2025 15:27	Aliaksandr Mikhei	CPPg++13.3.0	Success	184,351
Nov 12, 2025 15:26	Aliaksandr Mikhei	CPPg++13.3.0	Error
Nov 12, 2025 15:20	Aliaksandr Mikhei	CPPg++13.3.0	Success	91,364+11.20 RP
Nov 12, 2025 15:19	Aliaksandr Mikhei	CPPg++13.3.0	Success	105,257
Nov 12, 2025 15:18	Aliaksandr Mikhei	CPPg++13.3.0	Success	103,380
Nov 12, 2025 15:02	Aliaksandr Mikhei	CPPg++13.3.0	Success	101,783+1.01 RP
Nov 12, 2025 14:59	Aliaksandr Mikhei	CPPg++13.3.0	Success	102,845+61.91 RP
Nov 12, 2025 14:50	Aliaksandr Mikhei	CPPg++13.3.0	Success	283,093+10.26 RP
Nov 12, 2025 14:49	Aliaksandr Mikhei	CPPg++13.3.0	Error
Nov 12, 2025 14:41	Aliaksandr Mikhei	CPPg++13.3.0	Error
Nov 12, 2025 14:39	Aliaksandr Mikhei	CPPg++13.3.0	Error
Nov 12, 2025 14:35	Aliaksandr Mikhei	CPPg++13.3.0	Success	399,037+4.80 RP
Nov 12, 2025 14:34	Aliaksandr Mikhei	CPPg++13.3.0	Error
Nov 12, 2025 14:32	Aliaksandr Mikhei	CPPg++13.3.0	Error
Nov 12, 2025 14:21	Aliaksandr Mikhei	CPPg++13.3.0	Error
Nov 12, 2025 14:19	Aliaksandr Mikhei	CPPg++13.3.0	Error
Nov 12, 2025 14:10	Aliaksandr Mikhei	CPPg++13.3.0	Error
Nov 12, 2025 14:09	Aliaksandr Mikhei	CPPg++13.3.0	Error
Nov 12, 2025 14:04	Aliaksandr Mikhei	CPPg++13.3.0	Error
Nov 12, 2025 14:01	Aliaksandr Mikhei	CPPg++13.3.0	Error
Nov 12, 2025 13:57	Aliaksandr Mikhei	CPPg++13.3.0	Success	493,688+20.26 RP
Nov 12, 2025 08:29	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 08:28	Aniruddha Deb	CPPg++13.3.0	Success	14,818
Nov 12, 2025 08:26	Aniruddha Deb	CPPg++13.3.0	Success	14,792
Nov 12, 2025 08:24	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 08:21	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 08:20	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 08:19	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 08:16	Aniruddha Deb	CPPg++13.3.0	Success	14,783
Nov 12, 2025 08:14	Aniruddha Deb	CPPg++13.3.0	Error
Nov 12, 2025 08:12	Aniruddha Deb	CPPg++13.3.0	Error

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