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 19:17

Dominique GarmierScore: 88,572Success

Source Code

Source code access is restricted. Log in to request access.

Challenge History

No challenges yet.

Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Mar 14, 2026 23:23	86,261	2,872,500,630	2,838,609,000	7,996,000	2,449,408
2	Mar 14, 2026 23:42	86,289	2,878,125,739	2,836,557,000	10,994,000	2,461,696
3	Mar 14, 2026 23:42	86,747	2,887,636,048	2,851,672,000	10,994,000	2,473,984
4	Mar 15, 2026 09:57	86,814	2,895,925,391	2,855,852,000	8,996,000	2,465,792
5	Mar 14, 2026 23:15	86,881	2,897,309,274	2,856,076,000	10,992,000	2,285,568
6	Mar 14, 2026 23:42	86,972	2,902,192,004	2,860,093,000	9,993,000	2,281,472
7	Mar 15, 2026 09:57	87,083	2,901,427,140	2,865,744,000	7,996,000	2,404,352
8	Mar 14, 2026 23:39	87,218	2,910,557,733	2,870,197,000	7,994,000	2,457,600
9	Mar 14, 2026 23:15	87,241	2,910,218,128	2,868,944,000	9,996,000	2,523,136
10	Mar 14, 2026 23:15	87,275	2,914,433,147	2,871,080,000	8,993,000	2,457,600
11	Mar 15, 2026 09:57	87,324	2,907,833,577	2,871,706,000	9,995,000	2,461,696
12	Mar 14, 2026 23:42	87,341	2,912,430,929	2,872,265,000	9,993,000	2,281,472
13	Mar 14, 2026 23:42	87,477	2,914,288,794	2,876,750,000	9,992,000	2,281,472
14	Mar 15, 2026 10:05	87,527	2,921,953,002	2,880,398,000	7,995,000	2,281,472
15	Mar 14, 2026 23:42	87,557	2,916,926,658	2,876,398,000	12,992,000	2,281,472
16	Mar 15, 2026 10:05	87,572	2,920,468,537	2,880,889,000	8,993,000	2,469,888
17	Mar 15, 2026 09:57	87,580	2,921,127,485	2,878,154,000	11,992,000	2,269,184
18	Mar 14, 2026 23:15	87,639	2,920,666,458	2,881,089,000	10,992,000	2,519,040
19	Mar 14, 2026 18:00	87,660	2,920,269,406	2,883,785,000	8,996,000	2,506,752
20	Mar 14, 2026 23:42	87,705	2,922,086,607	2,882,258,000	11,992,000	2,334,720
21	Mar 15, 2026 00:04	87,762	2,926,682,464	2,887,145,000	8,994,000	2,285,568
22	Mar 15, 2026 00:04	87,808	2,923,206,148	2,888,655,000	8,995,000	2,281,472
23	Mar 14, 2026 18:04	87,839	2,926,094,263	2,888,704,000	9,995,000	2,453,504
24	Mar 15, 2026 09:57	87,845	2,928,977,233	2,891,900,000	6,997,000	2,281,472
25	Mar 14, 2026 23:15	87,905	2,929,865,849	2,888,868,000	11,995,000	2,281,472
26	Mar 14, 2026 18:20	88,040	2,933,369,399	2,898,330,000	6,995,000	2,510,848
27	Mar 14, 2026 18:14	88,071	2,936,887,713	2,898,344,000	7,995,000	2,322,432
28	Mar 15, 2026 09:57	88,115	2,939,218,734	2,896,800,000	10,995,000	2,465,792
29	Mar 14, 2026 18:08	88,128	2,942,874,350	2,896,225,000	11,992,000	2,281,472
30	Mar 14, 2026 18:08	88,161	2,939,254,049	2,899,330,000	9,994,000	2,281,472
31	Mar 14, 2026 23:42	88,184	2,939,513,230	2,900,081,000	9,993,000	2,473,984
32	Mar 14, 2026 18:04	88,194	2,943,491,270	2,900,421,000	9,994,000	2,453,504
33	Mar 14, 2026 18:04	88,220	2,944,065,304	2,899,263,000	11,992,000	2,461,696
34	Mar 14, 2026 23:39	88,226	2,938,684,178	2,904,463,000	6,996,000	2,449,408
35	Mar 14, 2026 18:08	88,234	2,940,524,693	2,902,737,000	8,996,000	2,326,528
36	Mar 14, 2026 23:15	88,240	2,949,600,598	2,899,934,000	11,995,000	2,281,472
37	Mar 14, 2026 18:08	88,255	2,939,542,538	2,903,431,000	8,995,000	2,506,752
38	Mar 14, 2026 17:53	88,303	2,943,662,925	2,902,017,000	11,991,000	2,281,472
39	Mar 14, 2026 18:19	88,305	2,943,773,031	2,902,075,000	11,992,000	2,457,600
40	Mar 14, 2026 18:00	88,306	2,944,795,283	2,905,117,000	8,994,000	2,441,216
41	Mar 14, 2026 18:04	88,347	2,941,830,966	2,903,472,000	11,993,000	2,281,472
42	Mar 14, 2026 18:36	88,392	2,947,211,765	2,905,932,000	10,992,000	2,453,504
43	Mar 14, 2026 18:00	88,407	2,944,978,346	2,910,421,000	6,996,000	2,334,720
44	Mar 14, 2026 23:23	88,451	2,943,834,944	2,909,889,000	8,996,000	2,457,600
45	Mar 14, 2026 18:18	88,469	2,946,432,062	2,907,489,000	11,993,000	2,457,600
46	Mar 14, 2026 18:26	88,491	2,947,918,637	2,908,226,000	11,992,000	2,420,736
47	Mar 14, 2026 17:53	88,521	2,955,809,225	2,909,198,000	11,992,000	2,453,504
48	Mar 14, 2026 18:00	88,522	2,954,059,880	2,909,239,000	11,992,000	2,457,600
49	Mar 14, 2026 18:04	88,524	2,952,398,626	2,913,305,000	7,995,000	2,277,376
50	Mar 15, 2026 09:57	88,531	2,949,745,044	2,914,516,000	6,996,000	2,461,696
51	Mar 14, 2026 18:00	88,560	2,952,254,552	2,910,494,000	11,993,000	2,273,280
52	Mar 14, 2026 23:32	88,572	2,952,355,245	2,911,889,000	10,992,000	2,285,568
53	Mar 14, 2026 17:53	88,583	2,949,914,255	2,916,247,000	6,995,000	2,490,368
54	Mar 14, 2026 18:36	88,604	2,954,373,560	2,914,941,000	8,996,000	2,281,472
55	Mar 14, 2026 18:14	88,609	2,957,224,921	2,913,099,000	10,992,000	2,281,472
56	Mar 14, 2026 18:54	88,645	2,956,482,489	2,918,288,000	6,995,000	2,281,472
57	Mar 14, 2026 23:15	88,680	2,953,585,618	2,919,454,000	6,996,000	2,347,008
58	Mar 14, 2026 18:00	88,722	2,956,565,652	2,918,846,000	8,996,000	2,502,656
59	Mar 14, 2026 18:04	88,729	2,966,044,130	2,918,053,000	9,993,000	2,420,736
60	Mar 14, 2026 18:04	88,758	2,960,347,058	2,921,025,000	7,994,000	2,301,952
61	Mar 14, 2026 23:15	88,802	2,956,873,841	2,918,479,000	11,993,000	2,273,280
62	Mar 14, 2026 18:04	88,812	2,959,125,462	2,922,817,000	7,994,000	2,285,568
63	Mar 14, 2026 18:04	88,817	2,965,857,099	2,922,948,000	7,997,000	2,318,336
64	Mar 14, 2026 17:53	88,844	2,964,297,996	2,923,860,000	7,996,000	2,461,696
65	Mar 14, 2026 17:53	88,866	2,961,500,785	2,923,580,000	8,995,000	2,449,408
66	Mar 14, 2026 18:20	88,875	2,966,123,482	2,922,887,000	9,996,000	2,461,696
67	Mar 14, 2026 23:42	88,894	2,962,932,866	2,921,502,000	11,993,000	2,457,600
68	Mar 14, 2026 17:53	88,934	2,972,536,956	2,926,814,000	7,994,000	2,457,600
69	Mar 14, 2026 23:32	88,965	2,966,107,415	2,923,847,000	11,991,000	2,351,104
70	Mar 14, 2026 18:18	88,967	2,964,249,582	2,924,904,000	10,992,000	2,453,504
71	Mar 14, 2026 18:54	89,034	2,966,295,418	2,929,138,000	8,994,000	2,285,568
72	Mar 14, 2026 18:08	89,054	2,968,263,188	2,926,775,000	11,994,000	2,473,984
73	Mar 14, 2026 17:53	89,059	2,974,660,651	2,929,963,000	8,996,000	2,281,472
74	Mar 15, 2026 00:04	89,066	2,968,850,803	2,929,198,000	9,993,000	2,301,952
75	Mar 14, 2026 18:20	89,079	2,965,921,277	2,928,605,000	10,994,000	2,273,280
76	Mar 14, 2026 18:08	89,089	2,972,875,566	2,929,930,000	9,992,000	2,453,504
77	Mar 14, 2026 18:26	89,114	2,965,418,857	2,929,767,000	10,995,000	2,277,376
78	Mar 14, 2026 18:19	89,127	2,974,030,130	2,931,202,000	9,993,000	2,510,848
79	Mar 14, 2026 18:54	89,133	2,967,009,514	2,932,378,000	8,995,000	2,371,584
80	Mar 14, 2026 23:39	89,139	2,972,240,173	2,931,595,000	9,995,000	2,281,472
81	Mar 14, 2026 18:08	89,163	2,975,152,176	2,932,396,000	9,994,000	2,281,472
82	Mar 14, 2026 18:19	89,179	2,971,726,060	2,932,926,000	9,996,000	2,519,040
83	Mar 14, 2026 18:08	89,201	2,972,348,947	2,936,645,000	6,994,000	2,461,696
84	Mar 15, 2026 09:57	89,247	2,975,576,721	2,933,171,000	11,992,000	2,277,376
85	Mar 14, 2026 23:15	89,332	2,978,325,394	2,935,957,000	11,991,000	2,285,568
86	Mar 14, 2026 23:23	89,353	2,976,614,805	2,938,651,000	9,995,000	2,457,600
87	Mar 14, 2026 17:53	89,368	2,978,579,257	2,939,137,000	9,993,000	2,285,568
88	Mar 14, 2026 19:17	89,371	2,974,850,427	2,941,252,000	7,995,000	2,281,472
89	Mar 14, 2026 17:53	89,378	2,979,955,402	2,939,478,000	9,994,000	2,510,848
90	Mar 14, 2026 18:00	89,791	2,990,343,231	2,951,108,000	11,992,000	2,338,816
91	Mar 14, 2026 23:32	89,905	2,994,933,465	2,958,856,000	7,994,000	2,281,472
92	Mar 14, 2026 18:18	89,935	2,993,711,179	2,958,855,000	8,993,000	2,457,600
93	Mar 14, 2026 18:14	89,953	2,996,291,786	2,962,454,000	5,994,000	2,453,504
94	Mar 14, 2026 18:00	89,957	2,996,077,367	2,959,605,000	8,992,000	2,285,568
95	Mar 14, 2026 19:17	89,977	2,999,983,202	2,960,232,000	8,994,000	2,449,408
96	Mar 14, 2026 18:26	90,003	2,997,900,131	2,957,092,000	12,991,000	2,281,472
97	Mar 15, 2026 10:05	90,209	3,010,075,196	2,972,893,000	3,997,000	2,301,952
98	Mar 14, 2026 18:36	90,385	3,010,441,933	2,972,719,000	9,992,000	2,297,856
99	Mar 14, 2026 18:00	90,447	3,019,374,819	2,975,764,000	8,993,000	2,285,568
100	Mar 14, 2026 19:17	90,857	3,026,064,097	2,983,288,000	14,991,000	2,285,568
101	Mar 14, 2026 18:08	91,587	3,054,472,236	3,010,368,000	11,993,000	2,285,568
102	Mar 15, 2026 09:57	94,527	3,150,575,925	3,108,385,000	10,990,000	2,453,504

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