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 22, 2026 07:05	olliecrow	CSHARP9.0.14	Success	13,023
Mar 22, 2026 07:04	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 07:04	olliecrow	CSHARP9.0.14	Success	13,222
Mar 22, 2026 07:03	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 07:03	olliecrow	CSHARP9.0.14	Success	12,970
Mar 22, 2026 07:02	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 07:02	olliecrow	CSHARP9.0.14	Success	12,914
Mar 22, 2026 07:01	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 07:00	olliecrow	CSHARP9.0.14	Success	13,079
Mar 22, 2026 06:59	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:59	olliecrow	ZIG0.14.0	Success	9,947
Mar 22, 2026 06:59	olliecrow	CSHARP9.0.14	Success	13,054
Mar 22, 2026 06:58	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:58	olliecrow	RUSTrust-1.94.0	Success	14,453
Mar 22, 2026 06:57	olliecrow	CSHARP9.0.14	Success	13,095
Mar 22, 2026 06:56	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:55	olliecrow	CSHARP9.0.14	Success	13,161
Mar 22, 2026 06:55	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:53	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:53	olliecrow	CSHARP9.0.14	Success	12,934
Mar 22, 2026 06:53	olliecrow	ZIG0.14.0	Success	9,906+4.28 RP
Mar 22, 2026 06:52	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:52	olliecrow	CSHARP9.0.14	Success	12,922
Mar 22, 2026 06:51	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:51	olliecrow	CSHARP9.0.14	Success	13,215
Mar 22, 2026 06:50	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:50	olliecrow	CSHARP9.0.14	Success	13,086
Mar 22, 2026 06:49	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:49	olliecrow	CSHARP9.0.14	Success	13,009
Mar 22, 2026 06:48	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:48	olliecrow	CSHARP9.0.14	Success	13,117
Mar 22, 2026 06:47	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:46	olliecrow	CSHARP9.0.14	Success	13,151
Mar 22, 2026 06:45	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:45	olliecrow	RUSTrust-1.94.0	Success	14,658
Mar 22, 2026 06:45	olliecrow	ZIG0.14.0	Success	11,459
Mar 22, 2026 06:44	olliecrow	CSHARP9.0.14	Success	13,028
Mar 22, 2026 06:44	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:43	olliecrow	ZIG0.14.0	Success	11,765
Mar 22, 2026 06:43	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:43	olliecrow	CSHARP9.0.14	Success	13,311
Mar 22, 2026 06:42	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:42	olliecrow	CSHARP9.0.14	Success	13,169
Mar 22, 2026 06:41	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:41	olliecrow	CSHARP9.0.14	Success	12,996
Mar 22, 2026 06:40	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:40	olliecrow	CSHARP9.0.14	Success	12,947
Mar 22, 2026 06:39	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:39	olliecrow	CSHARP9.0.14	Success	13,190
Mar 22, 2026 06:38	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:38	olliecrow	CSHARP9.0.14	Success	13,030
Mar 22, 2026 06:37	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:37	olliecrow	CSHARP9.0.14	Success	13,065
Mar 22, 2026 06:35	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:35	olliecrow	CSHARP9.0.14	Success	13,219
Mar 22, 2026 06:34	olliecrow	ZIG0.14.0	Success	11,967
Mar 22, 2026 06:34	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:34	olliecrow	RUSTrust-1.94.0	Success	14,435
Mar 22, 2026 06:34	olliecrow	CSHARP9.0.14	Success	13,168
Mar 22, 2026 06:33	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:33	olliecrow	CSHARP9.0.14	Success	13,045
Mar 22, 2026 06:32	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:32	olliecrow	CSHARP9.0.14	Success	13,158
Mar 22, 2026 06:31	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:31	olliecrow	CSHARP9.0.14	Success	12,956
Mar 22, 2026 06:30	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:30	olliecrow	CSHARP9.0.14	Success	13,161
Mar 22, 2026 06:29	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:29	olliecrow	CSHARP9.0.14	Success	13,145
Mar 22, 2026 06:28	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:28	olliecrow	CSHARP9.0.14	Success	13,034
Mar 22, 2026 06:27	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:27	olliecrow	CSHARP9.0.14	Success	13,211
Mar 22, 2026 06:27	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:26	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:26	olliecrow	CSHARP9.0.14	Success	13,157
Mar 22, 2026 06:25	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:25	olliecrow	RUSTrust-1.94.0	Success	14,556
Mar 22, 2026 06:25	olliecrow	CSHARP9.0.14	Success	13,167
Mar 22, 2026 06:25	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:23	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:23	olliecrow	CSHARP9.0.14	Success	13,199
Mar 22, 2026 06:22	olliecrow	ZIG0.14.0	Success	10,646
Mar 22, 2026 06:22	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:22	olliecrow	CSHARP9.0.14	Success	13,163
Mar 22, 2026 06:21	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:20	olliecrow	CSHARP9.0.14	Success	13,146
Mar 22, 2026 06:18	olliecrow	CSHARP9.0.14	Success	13,028
Mar 22, 2026 06:18	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:17	olliecrow	CSHARP9.0.14	Success	13,156
Mar 22, 2026 06:16	olliecrow	ZIG0.14.0	Success	9,927+1.82 RP
Mar 22, 2026 06:15	olliecrow	CSHARP9.0.14	Success	13,004
Mar 22, 2026 06:14	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:14	olliecrow	ZIG0.14.0	Success	10,594
Mar 22, 2026 06:12	olliecrow	CSHARP9.0.14	Success	13,191
Mar 22, 2026 06:12	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:11	olliecrow	ZIG0.14.0	Success	10,067
Mar 22, 2026 06:09	olliecrow	CSHARP9.0.14	Success	13,216
Mar 22, 2026 06:09	olliecrow	RUSTrust-1.94.0	Error
Mar 22, 2026 06:09	olliecrow	ZIG0.14.0	Success	10,135

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