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 listMar 14, 2026 17:23

Dominique GarmierScore: 103,024Success

Source Code

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Challenge History

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Mar 14, 2026 17:35	101,784	3,392,422,648	3,343,885,000	14,990,000	2,469,888
2	Mar 14, 2026 17:15	101,826	3,395,200,215	3,349,260,000	10,994,000	2,457,600
3	Mar 14, 2026 17:30	101,846	3,391,265,608	3,347,913,000	12,991,000	2,457,600
4	Mar 14, 2026 17:40	101,853	3,393,097,087	3,348,161,000	12,992,000	2,449,408
5	Mar 14, 2026 17:23	101,982	3,396,712,712	3,351,418,000	13,993,000	2,314,240
6	Mar 14, 2026 17:40	102,007	3,395,608,988	3,353,224,000	12,993,000	2,457,600
7	Mar 14, 2026 17:35	102,035	3,400,030,437	3,354,177,000	12,992,000	2,281,472
8	Mar 14, 2026 17:19	102,134	3,400,251,073	3,357,441,000	12,993,000	2,453,504
9	Mar 14, 2026 17:35	102,246	3,404,334,827	3,363,113,000	10,993,000	2,531,328
10	Mar 14, 2026 17:23	102,276	3,404,341,143	3,362,111,000	12,992,000	2,453,504
11	Mar 14, 2026 17:15	102,309	3,411,094,771	3,362,214,000	13,988,000	2,383,872
12	Mar 14, 2026 17:23	102,311	3,405,398,126	3,362,265,000	13,992,000	2,445,312
13	Mar 14, 2026 17:35	102,481	3,411,596,977	3,369,876,000	11,996,000	2,453,504
14	Mar 14, 2026 17:15	102,509	3,417,256,706	3,374,815,000	7,997,000	2,281,472
15	Mar 14, 2026 17:23	102,532	3,413,190,046	3,371,554,000	11,994,000	2,281,472
16	Mar 14, 2026 17:19	102,548	3,419,245,156	3,374,083,000	9,994,000	2,281,472
17	Mar 14, 2026 17:19	102,571	3,421,864,219	3,371,852,000	12,995,000	2,281,472
18	Mar 14, 2026 16:17	102,600	3,417,287,470	3,370,802,000	14,990,000	2,285,568
19	Mar 14, 2026 17:40	102,617	3,414,185,609	3,375,356,000	10,994,000	2,281,472
20	Mar 14, 2026 17:49	102,685	3,420,902,568	3,372,608,000	15,993,000	2,441,216
21	Mar 14, 2026 16:17	102,696	3,422,262,865	3,378,984,000	9,994,000	2,449,408
22	Mar 14, 2026 17:35	102,714	3,417,976,726	3,381,582,000	7,996,000	2,281,472
23	Mar 14, 2026 17:19	102,741	3,419,754,401	3,375,464,000	14,993,000	2,445,312
24	Mar 14, 2026 17:19	102,764	3,423,374,805	3,378,212,000	12,993,000	2,281,472
25	Mar 14, 2026 17:19	102,786	3,423,140,420	3,380,929,000	10,993,000	2,453,504
26	Mar 14, 2026 16:17	102,802	3,423,994,751	3,380,465,000	11,994,000	2,465,792
27	Mar 14, 2026 17:35	102,809	3,425,522,928	3,380,693,000	11,991,000	2,453,504
28	Mar 14, 2026 17:40	102,836	3,419,618,042	3,380,605,000	12,994,000	2,273,280
29	Mar 14, 2026 17:19	102,911	3,429,009,760	3,382,087,000	13,992,000	2,453,504
30	Mar 14, 2026 17:15	102,945	3,433,899,210	3,385,184,000	11,993,000	2,281,472
31	Mar 14, 2026 17:30	103,024	3,434,403,573	3,389,797,000	9,993,000	2,281,472
32	Mar 14, 2026 17:40	103,058	3,430,672,712	3,388,933,000	11,992,000	2,285,568
33	Mar 14, 2026 16:17	103,069	3,435,552,273	3,390,291,000	10,991,000	2,326,528
34	Mar 14, 2026 17:49	103,152	3,434,329,539	3,391,015,000	12,992,000	2,281,472
35	Mar 14, 2026 17:15	103,173	3,440,953,499	3,390,717,000	13,990,000	2,297,856
36	Mar 14, 2026 17:40	103,222	3,446,711,469	3,394,342,000	11,990,000	2,392,064
37	Mar 14, 2026 17:15	103,243	3,440,879,000	3,392,020,000	14,991,000	2,285,568
38	Mar 14, 2026 17:15	103,246	3,433,648,768	3,393,118,000	13,992,000	2,453,504
39	Mar 14, 2026 16:17	103,269	3,441,369,721	3,393,882,000	13,991,000	2,457,600
40	Mar 14, 2026 17:35	103,392	3,440,475,869	3,397,947,000	13,991,000	2,461,696
41	Mar 14, 2026 17:35	103,458	3,439,929,150	3,399,139,000	14,991,000	2,281,472
42	Mar 14, 2026 17:19	103,473	3,444,708,385	3,402,617,000	11,991,000	2,453,504
43	Mar 14, 2026 17:40	103,543	3,452,233,000	3,404,935,000	11,992,000	2,383,872
44	Mar 14, 2026 17:15	103,548	3,456,860,997	3,405,093,000	11,989,000	2,441,216
45	Mar 14, 2026 17:23	103,574	3,448,816,662	3,405,942,000	11,992,000	2,273,280
46	Mar 14, 2026 17:40	103,575	3,453,349,506	3,402,981,000	14,991,000	2,289,664
47	Mar 14, 2026 17:30	103,586	3,448,784,071	3,411,345,000	6,996,000	2,297,856
48	Mar 14, 2026 16:17	103,624	3,451,413,765	3,411,592,000	7,996,000	2,453,504
49	Mar 14, 2026 17:23	103,656	3,450,180,068	3,411,658,000	8,993,000	2,285,568
50	Mar 14, 2026 17:23	103,741	3,454,276,013	3,412,446,000	10,994,000	2,465,792
51	Mar 14, 2026 16:17	103,753	3,455,764,804	3,410,864,000	12,991,000	2,510,848
52	Mar 14, 2026 17:35	103,807	3,462,101,875	3,412,639,000	12,991,000	2,433,024
53	Mar 14, 2026 16:17	103,908	3,461,070,199	3,416,973,000	11,992,000	2,363,392
54	Mar 14, 2026 17:23	103,920	3,456,967,130	3,418,366,000	10,994,000	2,445,312
55	Mar 14, 2026 17:19	103,927	3,457,138,989	3,416,590,000	12,990,000	2,367,488
56	Mar 14, 2026 17:49	104,081	3,462,371,515	3,422,669,000	11,995,000	2,404,352
57	Mar 14, 2026 17:40	104,115	3,467,585,917	3,426,792,000	8,996,000	2,281,472
58	Mar 14, 2026 17:15	104,919	3,493,069,774	3,450,321,000	11,994,000	2,285,568
59	Mar 14, 2026 17:23	105,117	3,500,717,634	3,456,862,000	11,992,000	2,453,504
60	Mar 14, 2026 16:17	106,906	3,561,713,153	3,512,897,000	14,991,000	2,281,472

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