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.

Back to listJul 31, 2022 21:30

Yuriy Lyfenko

Score: 11,351

Success

Source Code

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Challenge History

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 30, 2022 19:39	11,070	394,372,043	352,312,000	13,011,000	2,314,240
2	Jul 30, 2022 19:39	11,084	386,192,647	352,776,000	12,991,000	2,506,752
3	Jul 30, 2022 19:39	11,111	396,193,531	353,665,000	12,987,000	2,441,216
4	Jul 30, 2022 19:39	11,117	393,277,410	346,870,000	19,992,000	2,449,408
5	Jul 30, 2022 19:39	11,118	438,672,569	366,879,058	0	2,236,416
6	Jul 30, 2022 19:39	11,122	391,504,072	352,029,000	15,001,000	2,367,488
7	Jul 30, 2022 19:39	11,163	428,260,711	368,376,161	0	2,228,224
8	Jul 31, 2022 21:30	11,170	425,041,536	368,601,034	0	2,232,320
9	Jul 30, 2022 19:39	11,171	402,339,323	356,659,000	11,988,000	2,318,336
10	Jul 31, 2022 21:30	11,172	431,717,255	368,684,440	0	2,228,224
11	Jul 31, 2022 21:30	11,177	426,264,722	368,824,530	0	2,240,512
12	Jul 30, 2022 19:39	11,199	395,873,402	351,577,000	17,978,000	2,322,432
13	Jul 30, 2022 19:39	11,270	396,928,445	353,908,000	17,995,000	2,326,528
14	Jul 30, 2022 19:39	11,289	440,328,979	372,549,017	0	2,236,416
15	Jul 31, 2022 21:30	11,320	408,816,209	355,596,000	17,979,000	2,265,088
16	Jul 31, 2022 21:30	11,330	400,329,837	354,907,000	18,995,000	2,318,336
17	Jul 31, 2022 21:30	11,330	406,347,225	355,905,000	17,995,000	2,334,720
18	Jul 30, 2022 19:39	11,351	405,079,026	362,605,000	11,986,000	2,322,432
19	Jul 30, 2022 19:39	11,351	407,133,019	359,594,000	14,983,000	2,318,336
20	Jul 30, 2022 19:39	11,363	398,532,812	357,985,000	16,999,000	2,449,408
21	Jul 31, 2022 21:30	11,385	401,093,647	357,710,000	17,985,000	2,400,256
22	Jul 30, 2022 19:39	11,385	408,047,799	361,701,000	13,988,000	2,494,464
23	Jul 30, 2022 19:39	11,405	404,520,305	359,361,000	17,017,000	2,396,160
24	Jul 30, 2022 19:39	11,410	401,339,830	359,539,000	16,978,000	2,396,160
25	Jul 30, 2022 19:39	11,444	402,007,118	359,684,000	17,984,000	2,326,528
26	Jul 30, 2022 19:39	11,460	407,732,631	362,208,000	15,965,000	2,420,736
27	Jul 30, 2022 19:39	11,461	447,780,159	378,212,755	0	2,244,608
28	Jul 30, 2022 19:39	11,487	438,653,712	379,076,536	0	2,244,608
29	Jul 30, 2022 19:39	11,500	439,903,916	379,484,889	0	2,224,128
30	Jul 30, 2022 19:39	11,532	404,610,149	367,559,000	12,984,000	2,322,432
31	Jul 31, 2022 21:30	11,570	417,231,112	365,819,000	15,992,000	2,326,528
32	Jul 30, 2022 19:39	11,592	408,514,338	371,556,000	10,986,000	2,265,088
33	Jul 31, 2022 21:30	11,618	409,436,733	368,426,000	14,976,000	2,314,240
34	Jul 31, 2022 21:30	11,622	412,897,995	367,533,000	15,979,000	2,412,544
35	Jul 31, 2022 21:30	11,637	413,170,234	370,018,000	14,000,000	2,326,528
36	Jul 31, 2022 21:30	11,739	415,808,590	368,410,000	18,969,000	2,293,760

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