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 listJan 9, 2026 01:30

zielajScore: 3,114Success

Source Code

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Challenge History

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jan 8, 2026 23:43	3,020	125,941,128	98,649,000	1,006,000	2,400,256
2	Jan 8, 2026 23:45	3,025	126,149,548	97,821,000	1,996,000	2,273,280
3	Jan 9, 2026 01:13	3,050	124,098,484	99,637,000	1,006,000	2,420,736
4	Jan 9, 2026 01:30	3,055	130,521,330	98,809,000	1,996,000	2,420,736
5	Jan 9, 2026 01:13	3,055	131,485,975	98,808,000	1,996,000	2,535,424
6	Jan 8, 2026 23:43	3,055	128,452,643	98,811,000	1,996,000	2,527,232
7	Jan 8, 2026 23:45	3,062	125,743,549	98,060,000	3,001,000	2,416,640
8	Jan 8, 2026 23:41	3,065	129,208,549	99,136,000	2,002,000	2,510,848
9	Jan 9, 2026 01:30	3,070	122,663,632	99,317,000	2,006,000	2,273,280
10	Jan 8, 2026 23:43	3,076	122,654,437	100,519,000	1,005,000	2,408,448
11	Jan 9, 2026 01:30	3,084	126,698,245	98,793,000	2,993,000	2,424,832
12	Jan 8, 2026 23:41	3,085	131,693,402	100,802,000	998,000	2,412,544
13	Jan 9, 2026 01:13	3,085	125,412,106	99,801,000	1,996,000	2,420,736
14	Jan 9, 2026 01:13	3,085	125,958,235	99,813,000	1,996,000	2,416,640
15	Jan 8, 2026 23:43	3,085	124,973,968	99,805,000	1,996,000	2,416,640
16	Jan 8, 2026 23:41	3,087	130,370,270	99,882,000	1,997,000	2,412,544
17	Jan 8, 2026 23:41	3,094	127,471,981	100,102,000	2,002,000	2,535,424
18	Jan 8, 2026 23:45	3,096	124,684,590	100,164,000	2,003,000	2,273,280
19	Jan 8, 2026 23:43	3,097	132,188,917	100,206,000	2,004,000	2,535,424
20	Jan 8, 2026 23:43	3,097	129,665,034	100,202,000	2,004,000	2,416,640
21	Jan 9, 2026 02:00	3,100	120,835,485	100,296,000	2,005,000	2,351,104
22	Jan 8, 2026 23:43	3,102	123,346,127	101,348,000	1,003,000	2,535,424
23	Jan 8, 2026 23:41	3,107	126,818,180	101,532,000	1,005,000	2,535,424
24	Jan 9, 2026 01:13	3,113	128,268,763	100,739,000	1,994,000	2,535,424
25	Jan 8, 2026 23:41	3,114	130,831,580	101,766,000	997,000	2,535,424
26	Jan 9, 2026 02:00	3,115	128,208,589	100,793,000	1,995,000	2,420,736
27	Jan 8, 2026 23:45	3,116	128,988,387	100,824,000	1,996,000	2,416,640
28	Jan 9, 2026 01:30	3,118	124,757,345	100,911,000	1,998,000	2,285,568
29	Jan 8, 2026 23:45	3,119	125,782,033	100,913,000	1,998,000	2,273,280
30	Jan 8, 2026 23:41	3,119	125,866,796	101,940,000	999,000	2,535,424
31	Jan 9, 2026 01:13	3,122	123,138,036	101,038,000	2,000,000	2,424,832
32	Jan 9, 2026 01:30	3,123	123,366,180	102,060,000	1,000,000	2,420,736
33	Jan 9, 2026 01:13	3,140	130,588,437	102,625,000	996,000	2,510,848
34	Jan 9, 2026 01:30	3,153	127,970,331	103,041,000	1,000,000	2,535,424
35	Jan 9, 2026 01:30	3,154	122,121,305	102,096,000	2,001,000	2,412,544
36	Jan 8, 2026 23:41	3,155	125,948,894	102,128,000	2,002,000	2,535,424
37	Jan 8, 2026 23:45	3,160	131,542,910	102,268,000	2,005,000	2,416,640
38	Jan 8, 2026 23:45	3,169	131,072,258	103,565,000	1,005,000	2,420,736
39	Jan 9, 2026 01:13	3,187	126,376,131	104,180,000	1,001,000	2,338,816
40	Jan 8, 2026 23:43	3,189	125,838,875	103,234,000	2,004,000	2,420,736
41	Jan 8, 2026 23:45	3,196	125,453,122	104,480,000	1,004,000	2,535,424
42	Jan 9, 2026 01:30	3,205	130,718,851	103,770,000	1,995,000	2,416,640
43	Jan 8, 2026 23:45	3,213	127,122,761	104,034,000	2,000,000	2,424,832
44	Jan 8, 2026 23:43	3,214	129,050,922	103,071,000	3,002,000	2,416,640
45	Jan 8, 2026 23:41	3,214	127,996,874	104,054,000	2,001,000	2,416,640
46	Jan 9, 2026 01:30	3,215	125,080,605	103,096,000	3,002,000	2,535,424
47	Jan 9, 2026 01:13	3,247	128,514,615	104,137,000	3,003,000	2,273,280
48	Jan 9, 2026 02:00	3,436	137,541,412	110,375,000	3,010,000	2,412,544

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