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.

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Joad Nacer

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory	Error
1	Sep 25, 2024 16:07	0	0	0	0	0	Error: expected "1019974 ", got "1020000 "	stderr
2	Sep 25, 2024 16:10	4,869	188,720,488	145,701,000	14,969,000	2,469,888
3	Sep 25, 2024 17:20	4,896	186,798,554	147,598,000	13,961,000	2,334,720
4	Sep 25, 2024 17:20	4,898	190,132,736	146,662,000	14,965,000	2,334,720
5	Sep 25, 2024 16:08	4,901	190,979,451	146,745,000	14,974,000	2,465,792
6	Sep 25, 2024 16:08	4,903	185,131,694	145,810,000	15,979,000	2,334,720
7	Sep 25, 2024 17:20	4,905	191,264,984	150,871,000	10,990,000	2,461,696
8	Sep 25, 2024 16:08	4,912	185,574,295	147,083,000	15,008,000	2,293,760
9	Sep 25, 2024 16:08	4,914	186,914,975	151,153,000	11,011,000	2,334,720
10	Sep 25, 2024 16:10	4,923	187,954,134	147,523,000	14,951,000	2,465,792
11	Sep 25, 2024 16:10	4,927	186,666,535	145,637,000	16,957,000	2,465,792
12	Sep 25, 2024 16:10	4,930	189,757,702	151,726,000	10,980,000	2,330,624
13	Sep 25, 2024 17:20	4,933	184,793,939	145,823,000	16,979,000	2,510,848
14	Sep 25, 2024 16:08	4,934	189,731,885	150,832,000	11,986,000	2,461,696
15	Sep 25, 2024 17:20	4,937	189,146,576	148,934,000	13,993,000	2,334,720
16	Sep 25, 2024 16:08	4,970	193,368,284	150,995,000	12,999,000	2,510,848
17	Sep 25, 2024 17:20	4,975	190,943,636	150,162,000	14,015,000	2,342,912
18	Sep 25, 2024 17:20	5,002	184,367,523	150,070,000	15,007,000	2,461,696
19	Sep 25, 2024 17:20	5,004	191,511,905	153,115,000	12,009,000	2,338,816
20	Sep 25, 2024 16:08	5,012	195,787,622	152,353,000	13,030,000	2,453,504
21	Sep 25, 2024 16:10	5,017	185,985,783	151,602,000	13,963,000	2,293,760
22	Sep 25, 2024 16:08	5,017	187,747,076	152,609,000	12,966,000	2,330,624
23	Sep 25, 2024 16:08	5,053	191,663,699	153,767,000	12,980,000	2,334,720
24	Sep 25, 2024 16:08	5,187	194,289,397	159,158,000	12,011,000	2,469,888
25	Sep 25, 2024 17:20	5,204	196,521,647	156,746,000	14,975,000	2,465,792
26	Sep 25, 2024 16:10	5,239	199,785,083	161,900,000	10,993,000	2,293,760
27	Sep 25, 2024 16:10	5,279	199,862,574	161,184,000	13,014,000	2,334,720
28	Sep 25, 2024 16:08	5,281	202,900,565	163,258,000	11,017,000	2,465,792
29	Sep 25, 2024 16:10	5,282	205,169,255	158,285,000	16,028,000	2,453,504
30	Sep 25, 2024 16:08	5,284	204,057,586	161,429,000	12,954,000	2,338,816
31	Sep 25, 2024 16:10	5,295	197,671,267	160,770,000	13,980,000	2,338,816

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