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 19:00	0	0	0	0	0	Error: expected "1020777 ", got "1021072 "	stderr
2	Sep 25, 2024 18:57	0	0	0	0	0	Error: expected "1019531 ", got "1019533 "	stderr
3	Sep 25, 2024 18:52	0	0	0	0	0	Error: No answer to stdout. Died or killed?	stderr
4	Sep 25, 2024 18:50	0	0	0	0	0	Error: expected "1019356 ", got "1019647 "	stderr
5	Sep 25, 2024 18:57	4,883	189,437,213	149,125,000	12,010,000	2,330,624
6	Sep 25, 2024 18:52	4,895	188,378,454	149,484,000	12,039,000	2,334,720
7	Sep 25, 2024 18:50	4,895	193,466,414	147,585,000	13,960,000	2,334,720
8	Sep 25, 2024 19:00	4,930	182,997,943	147,714,000	14,971,000	2,461,696
9	Sep 25, 2024 18:52	4,933	186,460,654	148,801,000	13,981,000	2,461,696
10	Sep 25, 2024 18:53	4,933	185,081,782	149,818,000	12,984,000	2,461,696
11	Sep 25, 2024 18:52	4,939	190,597,571	148,998,000	13,999,000	2,334,720
12	Sep 25, 2024 18:52	4,944	191,112,385	149,142,000	14,013,000	2,469,888
13	Sep 25, 2024 18:57	4,955	194,877,267	149,568,000	13,959,000	2,334,720
14	Sep 25, 2024 19:00	4,956	189,041,705	152,593,000	10,970,000	2,326,528
15	Sep 25, 2024 18:53	4,957	188,642,765	148,623,000	14,962,000	2,457,600
16	Sep 25, 2024 18:52	4,957	194,404,519	151,623,000	11,970,000	2,461,696
17	Sep 25, 2024 18:52	4,960	193,005,477	149,702,000	13,972,000	2,469,888
18	Sep 25, 2024 19:00	4,965	185,624,212	149,845,000	13,985,000	2,465,792
19	Sep 25, 2024 18:57	4,970	190,112,706	151,001,000	13,000,000	2,461,696
20	Sep 25, 2024 18:57	4,994	188,402,602	149,835,000	14,983,000	2,465,792
21	Sep 25, 2024 19:00	5,007	189,683,582	152,223,000	13,019,000	2,465,792
22	Sep 25, 2024 18:50	5,011	197,248,723	152,348,000	13,029,000	2,330,624
23	Sep 25, 2024 18:53	5,041	193,288,104	152,316,000	14,029,000	2,338,816
24	Sep 25, 2024 18:52	5,108	194,462,930	158,586,000	9,973,000	2,510,848
25	Sep 25, 2024 18:57	5,131	195,064,035	155,305,000	14,027,000	2,457,600
26	Sep 25, 2024 18:52	5,140	195,579,659	154,646,000	14,965,000	2,473,984
27	Sep 25, 2024 19:00	5,144	201,255,473	156,772,000	12,981,000	2,445,312
28	Sep 25, 2024 18:57	5,170	194,671,126	157,632,000	12,969,000	2,342,912
29	Sep 25, 2024 19:00	5,197	194,663,681	156,539,000	14,955,000	2,502,656
30	Sep 25, 2024 18:52	5,251	198,058,382	159,272,000	14,023,000	2,461,696
31	Sep 25, 2024 18:50	5,291	204,303,134	158,630,000	15,962,000	2,334,720

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