Format integers

Compute a checksum over the decimal representations of binary integers as fast as possible.

Input: 250 000 000 uint32 values in little-endian binary on STDIN (4 bytes each).

Output: A uint64 checksum computed as:

CRC = sum of number_crc(n) for each n

where number_crc(n) converts n to its decimal string and sums ascii(digit) * position over each digit (0-indexed from the left).

Example: For n = 42, the decimal string is "42", so number_crc(42) = ascii('4') * 0 + ascii('2') * 1 = 52 * 0 + 50 * 1 = 50.

Restrictions:60s256Mb 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 21, 2026 01:39

Dominique GarmierScore: 148,310Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Mar 19, 2026 07:22	146,652	752,562,294	715,596,000	2,998,000	2,269,184
2	Mar 19, 2026 09:40	146,688	748,979,305	714,774,000	3,998,000	2,269,184
3	Mar 19, 2026 07:17	146,824	747,492,517	715,440,000	3,996,000	2,289,664
4	Mar 19, 2026 09:59	146,835	752,852,727	715,496,000	3,997,000	2,334,720
5	Mar 19, 2026 07:17	146,847	746,616,647	715,553,000	3,997,000	2,347,008
6	Mar 19, 2026 06:54	146,931	746,216,000	716,963,000	2,999,000	2,281,472
7	Mar 19, 2026 09:35	146,996	747,724,510	718,284,000	1,998,000	2,289,664
8	Mar 19, 2026 06:54	147,010	748,476,043	718,353,000	1,998,000	2,289,664
9	Mar 19, 2026 07:17	147,078	751,956,040	717,683,000	2,998,000	2,281,472
10	Mar 19, 2026 09:35	147,140	747,325,524	716,988,000	3,999,000	2,289,664
11	Mar 19, 2026 08:10	147,188	749,411,444	717,227,000	3,995,000	2,342,912
12	Mar 19, 2026 07:47	147,202	748,133,194	717,296,000	3,996,000	2,281,472
13	Mar 19, 2026 07:20	147,220	759,426,612	718,381,000	2,997,000	2,506,752
14	Mar 19, 2026 07:06	147,224	750,256,762	717,403,000	3,996,000	2,342,912
15	Mar 19, 2026 07:32	147,234	753,246,370	716,451,000	4,996,000	2,281,472
16	Mar 19, 2026 07:42	147,248	749,704,939	718,517,000	2,997,000	2,281,472
17	Mar 19, 2026 09:59	147,248	750,171,483	718,518,000	2,997,000	2,281,472
18	Mar 19, 2026 09:35	147,255	747,726,826	716,546,000	5,003,000	2,289,664
19	Mar 19, 2026 07:03	147,270	750,370,306	717,624,000	3,997,000	2,281,472
20	Mar 19, 2026 07:50	147,279	753,874,672	717,670,000	3,998,000	2,281,472
21	Mar 19, 2026 09:02	147,302	749,929,091	717,780,000	3,998,000	2,281,472
22	Mar 19, 2026 07:45	147,320	747,960,185	717,871,000	3,999,000	2,281,472
23	Mar 19, 2026 07:32	147,330	752,497,637	718,918,000	2,999,000	2,269,184
24	Mar 19, 2026 07:42	147,331	753,420,839	718,922,000	2,999,000	2,334,720
25	Mar 19, 2026 09:17	147,372	754,448,548	718,124,000	4,000,000	2,281,472
26	Mar 19, 2026 07:17	147,395	748,453,921	717,241,000	4,994,000	2,281,472
27	Mar 19, 2026 09:35	147,400	748,056,832	719,259,000	3,001,000	2,265,088
28	Mar 19, 2026 07:17	147,427	756,270,108	718,396,000	3,996,000	2,281,472
29	Mar 19, 2026 07:45	147,438	749,476,060	719,447,000	2,997,000	2,330,624
30	Mar 19, 2026 07:20	147,465	749,314,137	719,580,000	2,998,000	2,334,720
31	Mar 19, 2026 07:53	147,468	749,105,146	717,597,000	4,997,000	2,265,088
32	Mar 19, 2026 07:53	147,483	746,068,651	719,670,000	2,998,000	2,453,504
33	Mar 19, 2026 07:17	147,518	752,274,478	718,838,000	3,999,000	2,281,472
34	Mar 19, 2026 06:59	147,519	752,195,724	719,845,000	2,999,000	2,347,008
35	Mar 19, 2026 08:40	147,540	749,275,978	718,946,000	3,999,000	2,289,664
36	Mar 19, 2026 07:35	147,557	753,337,373	719,028,000	4,000,000	2,281,472
37	Mar 19, 2026 07:06	147,581	752,067,146	719,149,000	4,000,000	2,269,184
38	Mar 19, 2026 07:20	147,602	751,640,712	720,253,000	2,996,000	2,281,472
39	Mar 19, 2026 10:02	147,627	756,289,935	719,375,000	3,996,000	2,289,664
40	Mar 19, 2026 08:14	147,629	750,934,949	720,383,000	2,997,000	2,289,664
41	Mar 19, 2026 08:17	147,645	754,458,961	720,463,000	2,997,000	2,342,912
42	Mar 19, 2026 14:31	147,646	755,274,083	719,468,000	3,997,000	2,285,568
43	Mar 19, 2026 06:59	147,686	751,007,764	719,665,000	3,998,000	2,342,912
44	Mar 19, 2026 07:20	147,688	753,360,048	720,673,000	2,998,000	2,330,624
45	Mar 19, 2026 06:54	147,702	754,313,410	719,744,000	3,998,000	2,441,216
46	Mar 19, 2026 07:20	147,748	749,987,309	719,964,000	3,999,000	2,281,472
47	Mar 19, 2026 07:14	147,778	752,433,213	721,113,000	3,000,000	2,342,912
48	Mar 19, 2026 07:29	147,808	752,567,150	721,264,000	2,996,000	2,281,472
49	Mar 19, 2026 06:54	147,844	756,062,643	720,442,000	3,996,000	2,342,912
50	Mar 19, 2026 09:40	147,854	751,326,795	721,487,000	2,997,000	2,281,472
51	Mar 19, 2026 07:32	147,856	757,860,998	721,497,000	2,997,000	2,273,280
52	Mar 19, 2026 06:59	147,939	751,256,407	721,901,000	2,999,000	2,441,216
53	Mar 19, 2026 08:17	147,976	751,233,447	721,083,000	4,000,000	2,424,832
54	Mar 19, 2026 07:32	147,999	752,990,100	724,193,000	1,000,000	2,281,472
55	Mar 19, 2026 06:59	148,038	754,307,606	722,388,000	2,997,000	2,281,472
56	Mar 19, 2026 09:59	148,080	753,632,977	722,595,000	2,998,000	2,281,472
57	Mar 19, 2026 07:32	148,081	751,297,036	721,600,000	3,997,000	2,281,472
58	Mar 19, 2026 07:35	148,099	750,229,768	722,688,000	2,998,000	2,269,184
59	Mar 19, 2026 21:54	148,119	759,107,828	721,787,000	3,998,000	2,334,720
60	Mar 19, 2026 06:54	148,151	748,498,954	721,941,000	3,999,000	2,334,720
61	Mar 19, 2026 08:10	148,151	753,843,248	722,943,000	2,999,000	2,334,720
62	Mar 19, 2026 09:35	148,166	750,232,963	722,011,000	4,000,000	2,334,720
63	Mar 19, 2026 07:29	148,176	748,310,840	723,062,000	3,000,000	2,269,184
64	Mar 19, 2026 09:17	148,198	756,546,005	722,172,000	4,000,000	2,330,624
65	Mar 19, 2026 06:54	148,200	755,720,641	723,178,000	3,000,000	2,289,664
66	Mar 19, 2026 06:54	148,201	755,363,384	724,190,000	1,997,000	2,363,392
67	Mar 19, 2026 08:40	148,251	758,522,149	722,435,000	3,996,000	2,281,472
68	Mar 19, 2026 07:20	148,270	755,859,263	722,528,000	3,997,000	2,269,184
69	Mar 19, 2026 09:07	148,279	757,185,202	724,567,000	1,998,000	2,269,184
70	Mar 19, 2026 09:40	148,283	754,776,257	723,588,000	2,998,000	2,281,472
71	Mar 19, 2026 08:50	148,291	756,802,552	722,628,000	3,997,000	2,338,816
72	Mar 19, 2026 07:38	148,293	757,669,330	722,639,000	3,998,000	2,281,472
73	Mar 19, 2026 07:27	148,303	757,811,658	722,686,000	3,998,000	2,281,472
74	Mar 19, 2026 07:50	148,310	758,065,011	723,722,000	2,998,000	2,330,624
75	Mar 19, 2026 09:59	148,348	757,786,938	722,907,000	3,999,000	2,281,472
76	Mar 19, 2026 09:28	148,354	758,834,319	722,934,000	3,999,000	2,289,664
77	Mar 19, 2026 09:50	148,387	752,059,303	724,097,000	3,000,000	2,338,816
78	Mar 19, 2026 09:35	148,406	755,839,485	723,194,000	3,995,000	2,338,816
79	Mar 19, 2026 07:50	148,440	753,328,852	723,362,000	3,996,000	2,281,472
80	Mar 19, 2026 09:59	148,450	757,776,334	723,411,000	3,996,000	2,334,720
81	Mar 19, 2026 07:20	148,457	757,658,756	724,443,000	2,997,000	2,289,664
82	Mar 19, 2026 07:17	148,482	752,175,581	723,564,000	3,997,000	2,281,472
83	Mar 19, 2026 08:50	148,510	754,063,511	724,703,000	2,998,000	2,269,184
84	Mar 21, 2026 01:39	148,513	752,720,858	724,718,000	2,998,000	2,445,312
85	Mar 19, 2026 07:29	148,534	758,507,175	724,818,000	2,999,000	2,342,912
86	Mar 19, 2026 07:09	148,587	754,738,668	724,078,000	4,000,000	2,273,280
87	Mar 19, 2026 06:59	148,661	754,813,540	724,441,000	3,996,000	2,281,472
88	Mar 19, 2026 07:27	148,663	754,777,916	725,453,000	2,997,000	2,289,664
89	Mar 19, 2026 07:17	148,667	761,747,667	725,470,000	2,997,000	2,273,280
90	Mar 19, 2026 07:22	148,677	754,667,795	724,518,000	3,997,000	2,379,776
91	Mar 19, 2026 06:59	148,705	760,534,428	727,657,000	999,000	2,342,912
92	Mar 19, 2026 07:32	148,736	759,135,650	725,808,000	2,999,000	2,281,472
93	Mar 19, 2026 08:40	148,742	755,088,470	725,836,000	2,999,000	2,347,008
94	Mar 19, 2026 08:46	148,745	761,446,205	724,853,000	3,999,000	2,285,568
95	Mar 19, 2026 09:07	148,746	754,533,024	722,855,000	5,998,000	2,281,472
96	Mar 19, 2026 07:09	148,748	754,018,009	724,864,000	3,999,000	2,347,008
97	Mar 19, 2026 09:02	148,778	760,324,966	726,011,000	3,000,000	2,281,472
98	Mar 19, 2026 09:50	148,780	760,131,549	725,020,000	4,000,000	2,273,280
99	Mar 19, 2026 07:25	148,782	756,106,784	727,034,000	2,000,000	2,342,912
100	Mar 19, 2026 09:59	148,792	757,030,179	725,081,000	4,000,000	2,289,664
101	Mar 19, 2026 06:54	148,833	756,487,276	726,283,000	2,997,000	2,347,008
102	Mar 19, 2026 08:46	148,854	760,468,695	726,390,000	2,997,000	2,285,568
103	Mar 19, 2026 07:38	148,874	757,428,687	727,484,000	1,998,000	2,338,816
104	Mar 19, 2026 09:35	148,890	755,746,169	726,564,000	2,998,000	2,326,528
105	Mar 19, 2026 07:47	148,909	754,559,485	725,657,000	3,998,000	2,281,472
106	Mar 19, 2026 07:06	148,912	755,337,623	727,672,000	1,999,000	2,281,472
107	Mar 19, 2026 07:09	148,939	756,140,474	725,802,000	3,998,000	2,334,720
108	Mar 19, 2026 07:20	148,963	758,400,647	726,922,000	2,999,000	2,273,280
109	Mar 19, 2026 10:02	149,046	759,667,519	727,328,000	2,997,000	2,273,280
110	Mar 19, 2026 07:03	149,118	761,301,265	726,678,000	3,998,000	2,269,184
111	Mar 19, 2026 07:20	149,147	759,406,177	727,819,000	2,999,000	2,289,664
112	Mar 19, 2026 07:35	149,166	752,312,710	726,915,000	3,999,000	2,281,472
113	Mar 19, 2026 08:14	149,169	763,544,081	726,928,000	3,999,000	2,269,184
114	Mar 19, 2026 09:17	149,191	760,257,369	728,038,000	2,996,000	2,318,336
115	Mar 19, 2026 07:03	149,228	762,050,633	728,216,000	3,000,000	2,277,376
116	Mar 19, 2026 09:35	149,239	759,865,114	727,274,000	3,996,000	2,281,472
117	Mar 19, 2026 07:22	149,280	756,704,230	728,475,000	2,997,000	2,281,472
118	Mar 19, 2026 14:31	149,288	756,233,535	727,516,000	3,997,000	2,281,472
119	Mar 19, 2026 07:14	149,305	758,335,949	727,599,000	3,997,000	2,273,280
120	Mar 19, 2026 09:50	149,316	757,880,485	728,650,000	2,998,000	2,289,664
121	Mar 19, 2026 09:59	149,370	763,397,455	726,913,000	4,999,000	2,326,528
122	Mar 19, 2026 21:54	149,411	760,137,755	729,118,000	2,996,000	2,281,472
123	Mar 19, 2026 09:28	149,412	762,281,259	729,121,000	3,000,000	2,273,280
124	Mar 19, 2026 09:59	149,462	758,399,913	729,367,000	2,997,000	2,289,664
125	Mar 19, 2026 07:47	149,468	763,720,187	729,397,000	2,997,000	2,281,472
126	Mar 19, 2026 07:42	149,480	759,200,460	728,457,000	3,997,000	2,269,184
127	Mar 19, 2026 08:10	149,535	761,722,520	730,722,000	1,999,000	2,281,472
128	Mar 19, 2026 06:59	149,575	761,808,124	728,917,000	3,999,000	2,322,432
129	Mar 19, 2026 08:21	149,653	764,776,509	730,302,000	2,997,000	2,441,216
130	Mar 19, 2026 06:54	149,658	760,280,873	729,329,000	3,996,000	2,281,472
131	Mar 19, 2026 07:38	149,694	764,936,217	730,506,000	2,997,000	2,338,816
132	Mar 19, 2026 14:31	149,718	762,004,862	730,621,000	2,998,000	2,457,600
133	Mar 19, 2026 07:14	149,721	757,461,933	730,633,000	2,998,000	2,281,472
134	Mar 19, 2026 08:21	149,721	759,589,832	730,636,000	2,998,000	2,338,816
135	Mar 19, 2026 07:53	149,769	757,799,412	730,868,000	2,999,000	2,322,432
136	Mar 19, 2026 07:32	149,789	759,297,143	729,970,000	3,994,000	2,330,624
137	Mar 19, 2026 06:59	149,823	761,901,594	731,134,000	3,000,000	2,281,472
138	Mar 19, 2026 09:28	149,848	760,145,379	730,262,000	3,995,000	2,334,720
139	Mar 19, 2026 09:02	149,979	759,820,693	731,899,000	2,999,000	2,281,472
140	Mar 19, 2026 07:17	149,991	766,194,189	731,956,000	2,999,000	2,289,664
141	Mar 19, 2026 07:45	150,095	763,817,717	732,469,000	2,997,000	2,289,664
142	Mar 19, 2026 08:21	150,117	762,446,664	731,574,000	3,997,000	2,281,472
143	Mar 19, 2026 08:46	150,154	764,232,268	731,755,000	3,998,000	2,330,624
144	Mar 19, 2026 07:25	150,161	766,253,792	731,793,000	3,998,000	2,342,912
145	Mar 19, 2026 08:17	150,176	767,197,100	732,861,000	2,999,000	2,347,008
146	Mar 19, 2026 06:59	150,340	761,732,966	734,668,000	1,999,000	2,347,008
147	Mar 19, 2026 08:14	150,354	766,382,953	733,738,000	2,998,000	2,273,280
148	Mar 19, 2026 07:25	150,444	763,609,836	734,182,000	2,996,000	2,281,472
149	Mar 19, 2026 09:35	150,459	766,096,602	734,253,000	2,996,000	2,281,472
150	Mar 19, 2026 07:27	150,490	767,723,656	734,405,000	2,997,000	2,289,664
151	Mar 19, 2026 09:59	150,509	763,780,167	734,499,000	2,997,000	2,289,664
152	Mar 19, 2026 07:32	150,552	766,809,249	733,709,000	3,998,000	2,273,280
153	Mar 19, 2026 09:07	150,619	762,120,122	735,032,000	3,000,000	2,334,720
154	Mar 19, 2026 08:50	150,776	767,481,609	735,802,000	2,999,000	2,281,472
155	Mar 19, 2026 21:54	150,815	774,115,476	736,993,000	1,999,000	2,334,720
156	Mar 21, 2026 01:39	151,384	774,765,752	740,785,000	999,000	2,347,008
157	Mar 19, 2026 10:02	151,468	769,845,635	738,198,000	3,995,000	2,281,472
158	Mar 19, 2026 07:32	151,927	769,458,835	740,447,000	3,997,000	2,531,328
159	Mar 21, 2026 01:39	159,233	829,443,625	778,244,000	1,998,000	2,281,472

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