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 26, 2026 16:40	Victor Mercklé	CPPg++13.3.0	Success	4,837+3.41 RP
Jun 26, 2026 16:31	Victor Mercklé	CPPg++14.2.0	Success	4,943
Jun 26, 2026 16:11	Victor Mercklé	CPPg++14.2.0	Success	281,702
Jun 24, 2026 20:57	nun	RUSTrust-1.95.0	Success	200,790+0.48 RP
Jun 24, 2026 20:48	nun	RUSTrust-1.95.0	Success	202,756+49.32 RP
Jun 24, 2026 17:42	chereshnya123	CPPg++13.3.0	Success	69,180+34.31 RP
Jun 24, 2026 17:28	chereshnya123	CPPg++13.3.0	Error
Jun 24, 2026 16:10	anboto1	CPPg++13.3.0	Success	5,389
Jun 24, 2026 16:00	anboto1	CPPclang++18.1.3	Success	5,283
Jun 24, 2026 15:49	anboto1	CPPclang++18.1.3	Success	6,183
Jun 24, 2026 15:29	anboto1	CPPclang++18.1.3	Error
Jun 24, 2026 12:19	anboto1	CPPclang++18.1.3	Success	5,289
Jun 24, 2026 12:02	anboto1	CPPclang++18.1.3	Error
Jun 24, 2026 11:58	anboto1	CPPclang++18.1.3	Success	5,263+4.32 RP
Jun 24, 2026 11:42	anboto1	CPPclang++18.1.3	Error
Jun 24, 2026 11:33	anboto1	CPPclang++18.1.3	Success	5,335
Jun 24, 2026 11:23	anboto1	CPPclang++18.1.3	Success	5,287
Jun 24, 2026 11:18	anboto1	CPPclang++18.1.3	Success	5,287
Jun 24, 2026 11:10	anboto1	CPPclang++18.1.3	Success	5,338
Jun 24, 2026 10:57	anboto1	CPPclang++18.1.3	Error
Jun 24, 2026 10:51	anboto1	CPPclang++18.1.3	Success	5,275+5.73 RP
Jun 24, 2026 10:45	anboto1	CPPclang++18.1.3	Success	5,497
Jun 24, 2026 10:40	anboto1	CPPclang++18.1.3	Error
Jun 24, 2026 10:31	anboto1	CPPclang++18.1.3	Error
Jun 24, 2026 09:29	Victor Mercklé	CPPg++13.3.0	Success	4,858
Jun 24, 2026 09:24	Victor Mercklé	CPPg++13.3.0	Success	4,938
Jun 24, 2026 09:14	Victor Mercklé	CPPg++13.3.0	Success	4,859
Jun 24, 2026 09:09	Victor Mercklé	CPPg++13.3.0	Success	153,097
Jun 24, 2026 09:04	Victor Mercklé	CPPg++13.3.0	Success	4,852
Jun 24, 2026 08:48	Victor Mercklé	CPPg++13.3.0	Success	5,051
Jun 24, 2026 08:41	Victor Mercklé	CPPg++13.3.0	Success	4,872
Jun 24, 2026 08:33	Victor Mercklé	CPPg++13.3.0	Success	4,854
Jun 24, 2026 08:28	Victor Mercklé	CPPg++13.3.0	Success	4,851
Jun 24, 2026 08:23	Victor Mercklé	CPPg++13.3.0	Success	4,942
Jun 24, 2026 08:12	Victor Mercklé	CPPg++13.3.0	Success	4,934
Jun 24, 2026 07:45	Victor Mercklé	CPPg++13.3.0	Success	4,855
Jun 24, 2026 07:30	Victor Mercklé	CPPg++13.3.0	Success	4,869
Jun 24, 2026 07:22	Victor Mercklé	CPPg++13.3.0	Success	4,861
Jun 24, 2026 07:17	Victor Mercklé	CPPg++13.3.0	Success	4,845+1.70 RP
Jun 24, 2026 07:12	Victor Mercklé	CPPg++13.3.0	Success	4,876
Jun 24, 2026 07:07	Victor Mercklé	CPPg++13.3.0	Success	4,849+1.70 RP
Jun 24, 2026 07:02	Victor Mercklé	CPPg++13.3.0	Error
Jun 24, 2026 06:56	Victor Mercklé	CPPg++13.3.0	Success	4,907
Jun 24, 2026 06:51	Victor Mercklé	CPPg++13.3.0	Success	4,853+12.24 RP
Jun 24, 2026 06:46	Victor Mercklé	CPPg++13.3.0	Success	4,939
Jun 24, 2026 06:39	Victor Mercklé	CPPg++13.3.0	Success	4,898
Jun 24, 2026 06:34	Victor Mercklé	CPPg++13.3.0	Success	4,950
Jun 24, 2026 06:28	Victor Mercklé	CPPg++13.3.0	Success	136,009
Jun 24, 2026 06:20	Victor Mercklé	CPPg++13.3.0	Success	5,038
Jun 24, 2026 06:15	Victor Mercklé	CPPg++13.3.0	Success	151,433
Jun 24, 2026 06:08	Victor Mercklé	CPPg++13.3.0	Success	4,957
Jun 24, 2026 06:03	Victor Mercklé	CPPg++13.3.0	Success	5,177
Jun 24, 2026 05:57	Victor Mercklé	CPPg++13.3.0	Success	4,970
Jun 24, 2026 05:46	Victor Mercklé	CPPg++13.3.0	Success	4,882
Jun 24, 2026 05:38	Victor Mercklé	CPPg++13.3.0	Success	4,914
Jun 24, 2026 05:33	Victor Mercklé	CPPg++13.3.0	Success	4,882+33.84 RP
Jun 24, 2026 05:23	Victor Mercklé	CPPg++13.3.0	Success	4,977
Jun 24, 2026 05:18	Victor Mercklé	CPPg++13.3.0	Success	4,977
Jun 23, 2026 19:15	chereshnya123	CPPg++13.3.0	Error
Jun 23, 2026 19:11	chereshnya123	CPPg++13.3.0	Error
Jun 23, 2026 15:54	Rajarshi Basu	CPPg++14.2.0	Error
Jun 23, 2026 15:52	Rajarshi Basu	CPPg++14.2.0	Error
Jun 23, 2026 00:51	Victor Mercklé	CPPg++13.3.0	Success	4,967
Jun 23, 2026 00:43	Victor Mercklé	CPPg++13.3.0	Success	4,974
Jun 23, 2026 00:38	Victor Mercklé	CPPg++13.3.0	Error
Jun 23, 2026 00:29	Victor Mercklé	CPPg++13.3.0	Success	4,970
Jun 23, 2026 00:24	Victor Mercklé	CPPg++13.3.0	Success	5,472
Jun 23, 2026 00:19	Victor Mercklé	CPPg++13.3.0	Success	5,562
Jun 23, 2026 00:11	Victor Mercklé	CPPg++13.3.0	Success	158,040
Jun 23, 2026 00:04	Victor Mercklé	CPPg++13.3.0	Success	168,132
Jun 22, 2026 23:52	Victor Mercklé	CPPg++13.3.0	Error
Jun 22, 2026 23:44	Victor Mercklé	CPPg++13.3.0	Success	4,992
Jun 22, 2026 23:39	Victor Mercklé	CPPg++13.3.0	Success	4,974
Jun 22, 2026 23:33	Victor Mercklé	CPPg++13.3.0	Success	4,999
Jun 22, 2026 23:28	Victor Mercklé	CPPg++13.3.0	Success	4,975
Jun 22, 2026 23:21	Victor Mercklé	CPPg++13.3.0	Error
Jun 22, 2026 23:16	Victor Mercklé	CPPg++13.3.0	Success	5,013
Jun 22, 2026 23:11	Victor Mercklé	CPPg++13.3.0	Success	5,184
Jun 22, 2026 22:16	Victor Mercklé	CPPg++13.3.0	Error
Jun 22, 2026 22:11	Victor Mercklé	CPPg++13.3.0	Success	4,989
Jun 22, 2026 22:06	Victor Mercklé	CPPg++13.3.0	Error
Jun 22, 2026 22:00	Victor Mercklé	CPPg++13.3.0	Error
Jun 22, 2026 21:49	Victor Mercklé	CPPg++13.3.0	Success	4,964+3.65 RP
Jun 22, 2026 21:40	Victor Mercklé	CPPg++13.3.0	Error
Jun 22, 2026 21:31	Victor Mercklé	CPPg++13.3.0	Success	7,161
Jun 22, 2026 21:26	Victor Mercklé	CPPg++13.3.0	Error
Jun 22, 2026 21:04	Victor Mercklé	CPPg++13.3.0	Success	159,683
Jun 22, 2026 20:49	Victor Mercklé	CPPg++13.3.0	Success	5,390
Jun 22, 2026 20:33	Victor Mercklé	CPPg++13.3.0	Success	4,989
Jun 22, 2026 20:26	Victor Mercklé	CPPg++13.3.0	Success	5,071
Jun 22, 2026 20:21	Victor Mercklé	CPPg++13.3.0	Success	4,986
Jun 22, 2026 20:14	Victor Mercklé	CPPg++13.3.0	Success	4,983
Jun 22, 2026 20:09	Victor Mercklé	CPPg++13.3.0	Success	5,189
Jun 22, 2026 19:44	Victor Mercklé	CPPg++13.3.0	Success	4,973+8.86 RP
Jun 22, 2026 19:31	Victor Mercklé	CPPg++13.3.0	Success	6,326
Jun 22, 2026 19:00	Victor Mercklé	CPPg++13.3.0	Success	5,428
Jun 22, 2026 18:41	Victor Mercklé	CPPg++13.3.0	Success	5,169
Jun 22, 2026 18:35	Victor Mercklé	CPPg++13.3.0	Success	5,042
Jun 22, 2026 18:29	Victor Mercklé	CPPg++13.3.0	Success	5,044
Jun 22, 2026 18:24	Victor Mercklé	CPPg++13.3.0	Success	4,995+15.51 RP

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