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.

Date	Author	Language	Status	Score
Mar 25, 2026 09:27	Dominique Garmier	CPPclang++18.1.3	Success	24,208
Mar 25, 2026 09:24	Dominique Garmier	CPPclang++18.1.3	Success	34,717
Mar 25, 2026 09:22	Dominique Garmier	CPPclang++18.1.3	Success	32,286
Mar 25, 2026 09:19	Dominique Garmier	CPPclang++18.1.3	Error
Mar 25, 2026 07:50	Dominique Garmier	CPPclang++18.1.3	Success	19,765
Mar 25, 2026 04:12	Dominique Garmier	GOgo1.26.1	Success	32,752
Mar 25, 2026 02:54	Dominique Garmier	RUSTrust-1.94.0	Success	21,319
Mar 25, 2026 02:50	Dominique Garmier	RUSTrust-1.94.0	Error
Mar 25, 2026 02:29	Dominique Garmier	GOgo1.26.1	Success	42,791
Mar 25, 2026 00:36	Dominique Garmier	RUSTrust-1.94.0	Success	17,231
Mar 24, 2026 22:58	Dominique Garmier	RUSTrust-1.94.0	Success	236,776
Mar 24, 2026 14:02	Dominique Garmier	CPPclang++18.1.3	Error
Mar 24, 2026 13:57	Dominique Garmier	CPPclang++18.1.3	Error
Mar 24, 2026 13:56	Dominique Garmier	CPPclang++18.1.3	Error
Mar 24, 2026 13:51	Dominique Garmier	CPPclang++18.1.3	Success	28,200
Mar 24, 2026 13:41	Dominique Garmier	CPPg++13.3.0	Success	20,042
Mar 24, 2026 13:40	Dominique Garmier	CPPg++13.3.0	Success	22,773
Mar 24, 2026 11:25	Dominique Garmier	CPPclang++18.1.3	Success	32,534
Mar 24, 2026 11:13	Dominique Garmier	GOgo1.26.1	Success	61,650
Mar 24, 2026 10:50	Dominique Garmier	RUSTrust-1.94.0	Success	38,447
Mar 24, 2026 10:44	Dominique Garmier	RUSTrust-1.94.0	Error
Mar 24, 2026 10:15	Dominique Garmier	CPPclang++18.1.3	Error
Mar 24, 2026 10:13	Dominique Garmier	CPPclang++18.1.3	Error
Mar 24, 2026 08:07	Dominique Garmier	CPPclang++18.1.3	Success	18,216
Mar 24, 2026 07:19	Dominique Garmier	CPPclang++18.1.3	Success	21,866
Mar 24, 2026 07:08	Dominique Garmier	CPPclang++18.1.3	Success	18,519
Mar 24, 2026 06:56	Dominique Garmier	RUSTrust-1.94.0	Success	16,123+14.72 RP
Mar 24, 2026 06:41	Dominique Garmier	GOgo1.26.1	Success	77,694
Mar 24, 2026 06:12	Dominique Garmier	CPPclang++18.1.3	Success	19,539
Mar 24, 2026 05:54	Dominique Garmier	CPPclang++18.1.3	Error
Mar 24, 2026 03:49	Dominique Garmier	CPPg++13.3.0	Error
Mar 24, 2026 03:48	Dominique Garmier	CPPg++13.3.0	Error
Mar 24, 2026 03:44	Dominique Garmier	CPPg++13.3.0	Error
Mar 24, 2026 03:43	Dominique Garmier	CPPg++13.3.0	Error
Mar 24, 2026 03:42	Dominique Garmier	CPPg++13.3.0	Error
Mar 24, 2026 03:40	Dominique Garmier	CPPg++13.3.0	Error
Mar 23, 2026 23:17	Dominique Garmier	CSHARP9.0.14	Error
Mar 23, 2026 23:07	Dominique Garmier	GOgo1.26.1	Success	50,853
Mar 23, 2026 17:42	Dominique Garmier	CPPg++13.3.0	Success	23,093
Mar 23, 2026 17:42	Dominique Garmier	CPPclang++18.1.3	Success	25,448
Mar 23, 2026 17:33	Dominique Garmier	CPPclang++18.1.3	Success	26,165
Mar 23, 2026 16:56	Dominique Garmier	CPPclang++18.1.3	Success	26,836
Mar 23, 2026 16:53	Dominique Garmier	CPPclang++18.1.3	Success	35,352
Mar 23, 2026 02:22	olliecrow	CPPg++13.3.0	Success	14,390
Mar 22, 2026 22:10	Dominique Garmier	CPPg++13.3.0	Success	34,690
Mar 22, 2026 22:08	Dominique Garmier	CPPg++13.3.0	Error
Mar 22, 2026 21:58	Dominique Garmier	CPPg++13.3.0	Success	19,705
Mar 22, 2026 21:57	Dominique Garmier	CPPg++13.3.0	Success	17,696
Mar 22, 2026 20:08	Dominique Garmier	GOgo1.26.1	Success	81,382
Mar 22, 2026 19:55	Dominique Garmier	GOgo1.26.1	Success	149,326
Mar 22, 2026 19:48	Dominique Garmier	ZIG0.13.0	Success	180,938
Mar 22, 2026 19:08	Dominique Garmier	RUSTrust-1.94.0	Success	16,515+5.70 RP
Mar 22, 2026 18:41	Dominique Garmier	CSHARP9.0.14	Success	348,078
Mar 22, 2026 17:16	Dominique Garmier	GOgo1.26.1	Success	68,188
Mar 22, 2026 17:04	olliecrow	GOgo1.26.1	Success	19,329
Mar 22, 2026 17:03	olliecrow	GOgo1.26.1	Success	54,690
Mar 22, 2026 16:15	olliecrow	RUSTrust-1.94.0	Success	14,454
Mar 22, 2026 15:54	olliecrow	CPPg++13.3.0	Success	13,969
Mar 22, 2026 15:51	Dominique Garmier	RUSTrust-1.94.0	Success	16,672+1.90 RP
Mar 22, 2026 15:35	Dominique Garmier	RUSTrust-1.94.0	Success	18,823
Mar 22, 2026 13:49	Dominique Garmier	CPPclang++18.1.3	Success	18,459
Mar 22, 2026 13:35	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 13:34	olliecrow	ZIG0.14.0	Success	9,699
Mar 22, 2026 13:33	olliecrow	GOgo1.26.1	Success	54,055
Mar 22, 2026 13:32	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 13:26	olliecrow	ZIG0.14.0	Success	10,289
Mar 22, 2026 13:25	olliecrow	ZIG0.14.0	Success	9,774
Mar 22, 2026 13:25	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 13:23	olliecrow	GOgo1.26.1	Success	53,942
Mar 22, 2026 13:23	olliecrow	ZIG0.14.0	Success	9,778
Mar 22, 2026 13:23	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 13:17	olliecrow	ZIG0.14.0	Success	10,442
Mar 22, 2026 13:16	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 13:16	olliecrow	ZIG0.14.0	Success	9,720
Mar 22, 2026 13:15	olliecrow	CSHARP9.0.14	Success	13,177
Mar 22, 2026 13:14	olliecrow	GOgo1.26.1	Success	53,876
Mar 22, 2026 13:13	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 13:12	olliecrow	ZIG0.14.0	Success	9,746
Mar 22, 2026 13:09	olliecrow	CSHARP9.0.14	Success	13,731
Mar 22, 2026 13:07	olliecrow	ZIG0.14.0	Success	10,752
Mar 22, 2026 13:06	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 13:06	olliecrow	ZIG0.14.0	Success	9,766
Mar 22, 2026 13:05	olliecrow	GOgo1.26.1	Success	54,099
Mar 22, 2026 13:05	olliecrow	CSHARP9.0.14	Success	13,078
Mar 22, 2026 13:04	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 13:04	olliecrow	ZIG0.14.0	Success	9,752
Mar 22, 2026 13:02	olliecrow	CSHARP9.0.14	Success	13,410
Mar 22, 2026 13:01	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 13:00	olliecrow	ZIG0.14.0	Success	9,745
Mar 22, 2026 12:59	olliecrow	GOgo1.26.1	Success	54,305
Mar 22, 2026 12:59	olliecrow	CSHARP9.0.14	Success	13,150
Mar 22, 2026 12:57	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 12:57	olliecrow	ZIG0.14.0	Success	9,749
Mar 22, 2026 12:57	olliecrow	ZIG0.14.0	Success	9,752
Mar 22, 2026 12:56	olliecrow	CSHARP9.0.14	Success	12,942
Mar 22, 2026 12:55	olliecrow	GOgo1.26.1	Success	54,001
Mar 22, 2026 12:54	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 12:52	olliecrow	CSHARP9.0.14	Success	13,041
Mar 22, 2026 12:52	olliecrow	ZIG0.14.0	Success	10,327
Mar 22, 2026 12:52	olliecrow	RUSTrust-1.94.0	Error

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