Parse dateTime

Compute the sum of 5,000,000 UTC Unix timestamps as fast as possible.

Input

One RFC 3339 datetime per line on STDIN:

2017-05-04T14:31:30-03:00
2046-06-23T11:51:56-06:00
2031-08-14T13:18:38+06:00
2048-04-14T05:55:06-09:00
1980-08-28T00:43:03+02:00

Output

Print the sum of all UTC Unix timestamps (int64) to STDOUT.

Constraints

Datetimes are in the range 1950-01-01T00:00:00 to 2050-12-31T23:59:59

Restrictions:30s256Mb 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 listOct 15, 2021 07:50

Ilya AniskovetsScore: 14,911Success

Source Code

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Challenge History

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Oct 15, 2021 07:50	7,538	104,852,472	33,919,433	0	2,269,184
2	Oct 15, 2021 07:49	7,560	98,155,264	34,018,796	0	2,269,184
3	Oct 15, 2021 07:19	7,562	101,391,603	34,028,514	0	2,273,280
4	Oct 15, 2021 07:16	7,565	111,134,028	34,043,954	0	2,269,184
5	Oct 15, 2021 07:49	7,575	103,903,459	34,086,651	0	2,281,472
6	Oct 15, 2021 07:51	7,586	105,234,880	34,137,648	0	2,277,376
7	Oct 15, 2021 07:29	7,600	96,142,546	34,200,958	0	2,269,184
8	Oct 15, 2021 07:14	7,618	99,336,039	34,283,146	0	2,265,088
9	Oct 15, 2021 07:19	7,618	103,654,105	34,281,376	0	2,256,896
10	Oct 15, 2021 07:51	7,619	102,824,374	34,287,123	0	2,277,376
11	Oct 15, 2021 07:29	7,620	100,100,422	34,290,271	0	2,273,280
12	Oct 15, 2021 07:50	7,621	107,708,068	34,293,997	0	2,273,280
13	Oct 15, 2021 07:16	7,646	94,346,622	34,409,236	0	2,277,376
14	Oct 15, 2021 07:14	7,648	90,536,317	34,417,375	0	2,281,472
15	Oct 15, 2021 07:16	7,658	95,761,677	34,462,378	0	2,265,088
16	Oct 15, 2021 07:49	7,685	104,250,664	34,583,541	0	2,277,376
17	Oct 15, 2021 07:29	7,708	115,929,170	34,686,425	0	2,265,088
18	Oct 15, 2021 07:50	7,723	101,674,237	34,752,431	0	2,265,088
19	Oct 15, 2021 07:19	7,729	111,509,166	34,778,407	0	2,273,280
20	Oct 15, 2021 07:51	7,740	112,464,587	34,829,492	0	2,260,992
21	Oct 15, 2021 07:14	7,751	117,872,939	34,877,354	0	2,273,280
22	Oct 15, 2021 07:14	14,672	254,165,326	34,636,000	31,389,000	29,630,464
23	Oct 15, 2021 07:29	14,735	249,986,844	34,223,000	32,084,000	29,499,392
24	Oct 15, 2021 07:49	14,738	259,648,345	33,688,000	32,635,000	29,757,440
25	Oct 15, 2021 07:19	14,795	261,619,280	32,777,000	33,801,000	29,597,696
26	Oct 15, 2021 07:16	14,811	250,049,171	34,399,000	32,249,000	29,544,448
27	Oct 15, 2021 07:29	14,837	255,930,871	36,120,000	30,647,000	29,663,232
28	Oct 15, 2021 07:51	14,844	253,666,260	36,049,000	30,748,000	29,630,464
29	Oct 15, 2021 07:16	14,849	252,024,485	32,896,000	33,924,000	29,663,232
30	Oct 15, 2021 07:29	14,849	258,139,326	33,410,000	33,410,000	29,663,232
31	Oct 15, 2021 07:19	14,849	251,490,313	36,752,000	30,070,000	29,630,464
32	Oct 15, 2021 07:50	14,853	250,819,904	31,393,000	35,444,000	29,691,904
33	Oct 15, 2021 07:14	14,854	259,018,754	32,907,000	33,935,000	29,691,904
34	Oct 15, 2021 07:49	14,855	250,696,335	31,457,000	35,389,000	29,630,464
35	Oct 15, 2021 07:29	14,864	249,313,417	34,523,000	32,365,000	29,663,232
36	Oct 15, 2021 07:49	14,868	251,040,526	31,956,000	34,952,000	29,663,232
37	Oct 15, 2021 07:50	14,871	255,101,045	32,476,000	34,444,000	29,663,232
38	Oct 15, 2021 07:51	14,873	253,258,183	35,695,000	31,233,000	29,728,768
39	Oct 15, 2021 07:16	14,879	255,595,526	32,963,000	33,993,000	29,659,136
40	Oct 15, 2021 07:14	14,882	259,332,104	35,080,000	31,891,000	29,667,328
41	Oct 15, 2021 07:16	14,888	255,188,669	33,499,000	33,499,000	29,597,696
42	Oct 15, 2021 07:19	14,902	254,300,568	34,611,000	32,448,000	29,597,696
43	Oct 15, 2021 07:49	14,911	251,748,632	29,821,000	37,277,000	29,573,120
44	Oct 15, 2021 07:16	14,922	255,389,308	29,843,000	37,304,000	29,544,448
45	Oct 15, 2021 07:14	14,922	259,086,623	32,526,000	34,624,000	29,544,448
46	Oct 15, 2021 07:16	14,928	260,274,914	38,220,000	28,954,000	29,663,232
47	Oct 15, 2021 07:51	14,932	258,241,670	30,633,000	36,562,000	29,544,448
48	Oct 15, 2021 07:14	14,938	259,888,338	32,622,000	34,599,000	29,552,640
49	Oct 15, 2021 07:49	14,940	255,469,903	33,615,000	33,615,000	29,495,296
50	Oct 15, 2021 07:50	14,946	252,368,224	31,191,000	36,065,000	29,528,064
51	Oct 15, 2021 07:51	14,951	256,728,392	31,129,000	36,150,000	29,548,544
52	Oct 15, 2021 07:14	14,965	252,461,435	33,671,000	33,671,000	29,495,296
53	Oct 15, 2021 07:51	14,972	257,051,059	36,447,000	30,925,000	29,540,352
54	Oct 15, 2021 07:29	14,978	257,484,110	31,258,000	36,142,000	29,663,232
55	Oct 15, 2021 07:29	14,981	255,879,455	34,242,000	33,172,000	29,601,792
56	Oct 15, 2021 07:50	14,982	257,030,618	31,726,000	35,691,000	29,548,544
57	Oct 15, 2021 07:14	14,987	262,633,838	33,721,000	33,721,000	29,495,296
58	Oct 15, 2021 07:14	15,009	256,370,847	30,119,000	37,421,000	29,597,696
59	Oct 15, 2021 07:49	15,016	255,681,610	33,785,000	33,785,000	29,540,352
60	Oct 15, 2021 07:19	15,018	257,314,477	35,452,000	32,129,000	29,696,000
61	Oct 15, 2021 07:49	15,018	253,954,105	34,345,000	33,237,000	29,626,368
62	Oct 15, 2021 07:49	15,021	258,664,119	37,807,000	29,787,000	29,597,696
63	Oct 15, 2021 07:19	15,022	259,025,836	37,811,000	29,790,000	29,556,736
64	Oct 15, 2021 07:50	15,025	258,323,418	32,781,000	34,830,000	29,560,832
65	Oct 15, 2021 07:16	15,031	255,264,616	31,002,000	36,639,000	29,597,696
66	Oct 15, 2021 07:51	15,032	257,993,768	34,358,000	33,284,000	29,753,344
67	Oct 15, 2021 07:16	15,034	253,808,284	37,708,000	29,945,000	29,466,624
68	Oct 15, 2021 07:16	15,036	261,271,551	37,213,000	30,447,000	29,630,464
69	Oct 15, 2021 07:51	15,053	257,182,495	33,870,000	33,870,000	29,601,792
70	Oct 15, 2021 07:19	15,064	259,322,625	35,024,000	32,764,000	29,630,464
71	Oct 15, 2021 07:29	15,066	255,190,221	30,993,000	36,804,000	29,499,392
72	Oct 15, 2021 07:19	15,090	254,709,510	33,431,000	34,476,000	29,630,464
73	Oct 15, 2021 07:50	15,090	263,730,127	38,123,000	29,783,000	29,728,768
74	Oct 15, 2021 07:51	15,093	255,114,678	34,498,000	33,420,000	29,552,640
75	Oct 15, 2021 07:19	15,101	255,052,105	36,673,000	31,280,000	29,757,440
76	Oct 15, 2021 07:19	15,105	263,745,124	33,987,000	33,987,000	29,663,232
77	Oct 15, 2021 07:50	15,114	254,857,609	35,104,000	32,910,000	29,540,352
78	Oct 15, 2021 07:49	15,173	250,936,774	32,610,000	35,667,000	29,536,256
79	Oct 15, 2021 07:29	15,196	258,194,616	31,713,000	36,669,000	29,495,296
80	Oct 15, 2021 07:50	15,207	256,146,398	33,178,000	35,252,000	29,548,544
81	Oct 15, 2021 07:29	15,259	255,173,668	35,440,000	33,225,000	29,663,232
82	Oct 15, 2021 07:14	15,262	258,826,023	35,485,000	33,196,000	29,757,440
83	Oct 15, 2021 07:50	15,394	261,864,120	39,584,000	29,688,000	29,630,464
84	Oct 15, 2021 07:51	15,500	266,553,182	32,823,000	36,926,000	29,597,696

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