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 listNov 9, 2021 13:15

Ilya AniskovetsScore: 14,587Success

Source Code

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Nov 9, 2021 13:12	6,799	93,215,926	30,596,824	0	2,273,280
2	Nov 9, 2021 13:19	6,801	85,384,317	30,604,833	0	2,265,088
3	Nov 9, 2021 13:12	6,824	98,674,773	30,708,474	0	2,277,376
4	Nov 9, 2021 13:23	6,830	115,487,842	30,732,835	0	2,265,088
5	Nov 9, 2021 13:15	6,831	110,417,165	30,737,644	0	2,269,184
6	Nov 9, 2021 13:15	6,842	90,032,069	30,787,710	0	2,265,088
7	Nov 9, 2021 13:23	6,846	109,168,460	30,807,791	0	2,273,280
8	Nov 9, 2021 13:18	6,856	94,222,034	30,851,125	0	2,269,184
9	Nov 9, 2021 13:18	6,868	89,369,689	30,904,917	0	2,260,992
10	Nov 9, 2021 13:18	6,888	97,410,001	30,994,720	0	2,256,896
11	Nov 9, 2021 13:15	6,895	91,314,496	31,027,885	0	2,260,992
12	Nov 9, 2021 13:12	6,895	107,467,910	31,028,794	0	2,273,280
13	Nov 9, 2021 13:23	6,897	96,502,899	31,036,541	0	2,256,896
14	Nov 9, 2021 13:19	6,899	137,021,820	31,044,818	0	2,260,992
15	Nov 9, 2021 13:19	6,910	88,315,233	31,095,318	0	2,273,280
16	Nov 9, 2021 13:19	14,326	257,228,237	30,745,000	33,721,000	29,696,000
17	Nov 9, 2021 13:15	14,438	249,456,635	31,969,000	33,000,000	29,614,080
18	Nov 9, 2021 13:23	14,455	261,405,107	28,807,000	36,241,000	29,487,104
19	Nov 9, 2021 13:12	14,481	249,718,685	30,075,000	35,088,000	29,536,256
20	Nov 9, 2021 13:23	14,481	250,993,096	33,706,000	31,459,000	29,741,056
21	Nov 9, 2021 13:18	14,487	256,288,198	32,061,000	33,129,000	29,700,096
22	Nov 9, 2021 13:18	14,512	249,937,680	36,029,000	29,273,000	29,618,176
23	Nov 9, 2021 13:19	14,520	262,595,428	28,826,000	36,513,000	29,585,408
24	Nov 9, 2021 13:18	14,520	256,952,161	31,617,000	33,725,000	29,597,696
25	Nov 9, 2021 13:12	14,538	251,693,617	30,666,000	34,755,000	29,614,080
26	Nov 9, 2021 13:15	14,541	255,351,366	33,808,000	31,627,000	29,741,056
27	Nov 9, 2021 13:12	14,546	257,273,379	32,729,000	32,729,000	29,745,152
28	Nov 9, 2021 13:12	14,549	252,392,604	32,735,000	32,735,000	29,577,216
29	Nov 9, 2021 13:12	14,551	247,518,657	33,277,000	32,203,000	29,646,848
30	Nov 9, 2021 13:19	14,554	257,069,761	29,858,000	35,637,000	29,650,944
31	Nov 9, 2021 13:19	14,587	260,261,813	33,879,000	31,761,000	29,655,040
32	Nov 9, 2021 13:19	14,594	259,421,975	35,822,000	29,852,000	29,712,384
33	Nov 9, 2021 13:19	14,595	252,157,884	31,813,000	33,866,000	29,745,152
34	Nov 9, 2021 13:18	14,612	254,346,903	32,878,000	32,878,000	29,540,352
35	Nov 9, 2021 13:12	14,625	253,033,903	35,257,000	30,556,000	29,650,944
36	Nov 9, 2021 13:23	14,626	250,854,509	32,909,000	32,909,000	29,630,464
37	Nov 9, 2021 13:12	14,627	251,501,749	36,437,000	29,385,000	29,646,848
38	Nov 9, 2021 13:19	14,629	253,323,165	31,395,000	34,434,000	29,597,696
39	Nov 9, 2021 13:18	14,633	257,226,493	32,924,000	32,924,000	29,614,080
40	Nov 9, 2021 13:23	14,649	262,238,778	34,636,000	31,284,000	29,712,384
41	Nov 9, 2021 13:23	14,658	246,396,863	28,799,000	37,161,000	29,532,160
42	Nov 9, 2021 13:15	14,675	257,892,765	28,834,000	37,205,000	29,544,448
43	Nov 9, 2021 13:18	14,679	261,443,750	34,128,000	31,927,000	29,609,984
44	Nov 9, 2021 13:18	14,682	258,023,608	31,509,000	34,559,000	29,716,480
45	Nov 9, 2021 13:23	14,683	253,496,835	30,034,000	36,041,000	29,614,080
46	Nov 9, 2021 13:12	14,687	257,436,572	31,521,000	34,572,000	29,683,712
47	Nov 9, 2021 13:23	14,695	259,520,240	29,710,000	36,419,000	29,646,848
48	Nov 9, 2021 13:15	14,713	254,852,356	32,579,000	33,630,000	29,618,176
49	Nov 9, 2021 13:19	14,713	271,902,917	31,577,000	34,633,000	29,650,944
50	Nov 9, 2021 13:18	14,745	252,677,863	32,632,000	33,719,000	29,745,152
51	Nov 9, 2021 13:23	14,754	255,698,080	33,740,000	32,652,000	29,585,408
52	Nov 9, 2021 13:15	14,762	254,363,833	33,760,000	32,670,000	29,536,256
53	Nov 9, 2021 13:15	14,783	258,499,442	29,888,000	36,637,000	29,483,008
54	Nov 9, 2021 13:15	14,789	252,509,342	32,202,000	34,349,000	29,650,944
55	Nov 9, 2021 13:15	14,801	252,752,603	31,344,000	35,262,000	29,569,024
56	Nov 9, 2021 13:19	14,852	252,422,368	37,669,000	29,163,000	29,646,848
57	Nov 9, 2021 13:18	14,870	255,306,757	34,024,000	32,890,000	29,536,256
58	Nov 9, 2021 13:23	14,871	261,857,874	34,575,000	32,344,000	29,646,848
59	Nov 9, 2021 13:12	14,929	265,867,586	36,645,000	30,537,000	29,749,248
60	Nov 9, 2021 13:15	15,114	262,340,283	39,024,000	28,989,000	29,577,216

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