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 22, 2026 03:49

olliecrowScore: 10,081Success

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 22, 2026 04:17	9,998	351,152,077	328,940,000	999,000	2,318,336
2	Mar 22, 2026 03:54	10,019	349,816,620	324,631,000	5,993,000	2,482,176
3	Mar 22, 2026 03:58	10,019	357,467,511	324,623,000	5,993,000	2,310,144
4	Mar 22, 2026 04:13	10,024	354,211,656	326,792,000	3,997,000	2,285,568
5	Mar 22, 2026 04:13	10,028	350,816,065	324,931,000	5,998,000	2,281,472
6	Mar 22, 2026 04:05	10,029	355,182,729	324,967,000	5,999,000	2,314,240
7	Mar 22, 2026 03:54	10,036	350,227,548	325,193,000	6,003,000	2,318,336
8	Mar 22, 2026 03:54	10,039	357,770,957	327,300,000	4,003,000	2,473,984
9	Mar 22, 2026 03:54	10,043	362,656,725	331,417,000	0	2,301,952
10	Mar 22, 2026 03:58	10,045	357,965,895	325,508,000	5,990,000	2,318,336
11	Mar 22, 2026 04:05	10,048	361,236,806	325,591,000	5,992,000	2,342,912
12	Mar 22, 2026 03:58	10,049	352,735,073	325,611,000	5,992,000	2,478,080
13	Mar 22, 2026 03:54	10,053	356,637,934	325,754,000	5,995,000	2,478,080
14	Mar 22, 2026 04:10	10,054	359,850,916	327,784,000	3,997,000	2,285,568
15	Mar 22, 2026 04:05	10,056	353,591,931	325,841,000	5,997,000	2,342,912
16	Mar 22, 2026 03:58	10,062	357,547,379	331,039,000	1,000,000	2,301,952
17	Mar 22, 2026 03:58	10,062	357,211,479	327,044,000	5,000,000	2,314,240
18	Mar 22, 2026 04:04	10,064	358,037,746	327,116,000	5,001,000	2,473,984
19	Mar 22, 2026 04:04	10,065	357,875,474	328,171,000	3,989,000	2,478,080
20	Mar 22, 2026 04:07	10,066	356,532,308	332,168,000	0	2,318,336
21	Mar 22, 2026 03:54	10,068	352,470,847	329,252,000	2,993,000	2,482,176
22	Mar 22, 2026 03:58	10,073	358,513,460	330,400,000	2,002,000	2,482,176
23	Mar 22, 2026 04:07	10,075	356,645,449	326,481,000	5,990,000	2,486,272
24	Mar 22, 2026 04:05	10,075	358,804,698	330,468,000	2,002,000	2,314,240
25	Mar 22, 2026 03:54	10,078	351,943,302	326,583,000	5,992,000	2,285,568
26	Mar 22, 2026 04:04	10,081	358,667,000	329,688,000	2,997,000	2,314,240
27	Mar 22, 2026 04:04	10,083	355,671,856	331,745,000	999,000	2,469,888
28	Mar 22, 2026 04:05	10,084	353,961,321	328,784,000	3,997,000	2,482,176
29	Mar 22, 2026 03:49	10,084	359,306,386	326,780,000	5,995,000	2,482,176
30	Mar 22, 2026 03:58	10,084	355,836,545	330,759,000	1,998,000	2,314,240
31	Mar 22, 2026 03:54	10,085	356,688,691	326,824,000	5,996,000	2,342,912
32	Mar 22, 2026 04:17	10,088	355,737,717	328,921,000	3,999,000	2,482,176
33	Mar 22, 2026 04:10	10,091	362,605,114	328,008,000	5,000,000	2,342,912
34	Mar 22, 2026 04:05	10,094	355,570,262	327,109,000	6,002,000	2,334,720
35	Mar 22, 2026 03:54	10,095	365,529,521	328,132,000	5,002,000	2,473,984
36	Mar 22, 2026 04:13	10,100	361,848,014	331,299,000	2,001,000	2,482,176
37	Mar 22, 2026 04:13	10,103	360,614,726	327,401,000	5,989,000	2,531,328
38	Mar 22, 2026 04:07	10,108	357,028,150	328,585,000	4,993,000	2,478,080
39	Mar 22, 2026 03:49	10,110	354,809,628	332,623,000	998,000	2,482,176
40	Mar 22, 2026 04:04	10,113	360,132,383	326,749,000	6,994,000	2,342,912
41	Mar 22, 2026 04:13	10,117	357,602,333	327,867,000	5,997,000	2,342,912
42	Mar 22, 2026 03:58	10,121	360,251,467	327,997,000	5,999,000	2,482,176
43	Mar 22, 2026 03:49	10,121	357,231,243	329,001,000	5,000,000	2,318,336
44	Mar 22, 2026 04:05	10,122	353,380,535	330,041,000	4,000,000	2,473,984
45	Mar 22, 2026 04:05	10,129	360,565,746	332,263,000	2,001,000	2,478,080
46	Mar 22, 2026 03:58	10,132	362,508,770	328,367,000	5,988,000	2,342,912
47	Mar 22, 2026 04:13	10,132	362,962,790	329,342,000	5,005,000	2,310,144
48	Mar 22, 2026 04:17	10,138	359,265,568	330,561,000	3,994,000	2,342,912
49	Mar 22, 2026 04:05	10,154	361,387,265	330,068,000	5,001,000	2,338,816
50	Mar 22, 2026 04:04	10,158	356,368,669	330,204,000	5,003,000	2,285,568
51	Mar 22, 2026 04:10	11,381	406,394,066	370,592,000	4,994,000	2,281,472

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