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 listJun 13, 2023 23:42

Victor MuñozScore: 10,630Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 13, 2023 23:42	3,270	77,453,717	14,715,163	0	2,244,608
2	Jun 13, 2023 23:42	3,275	82,334,587	14,738,305	0	2,256,896
3	Jun 13, 2023 23:40	3,280	69,251,189	14,760,716	0	2,256,896
4	Jun 13, 2023 23:42	3,293	87,643,722	14,819,462	0	2,252,800
5	Jun 13, 2023 23:42	3,293	90,655,673	14,817,043	0	2,252,800
6	Jun 13, 2023 23:43	3,294	90,800,161	14,822,044	0	2,248,704
7	Jun 13, 2023 23:42	3,294	71,451,018	14,824,149	0	2,248,704
8	Jun 13, 2023 23:40	3,295	55,971,579	14,825,672	0	2,252,800
9	Jun 13, 2023 23:42	3,296	88,867,319	14,833,335	0	2,244,608
10	Jun 13, 2023 23:43	3,298	62,326,260	14,839,831	0	2,252,800
11	Jun 13, 2023 23:40	3,299	72,377,666	14,845,474	0	2,244,608
12	Jun 13, 2023 23:43	3,303	86,068,860	14,862,240	0	2,248,704
13	Jun 13, 2023 23:43	10,512	235,606,767	17,428,000	29,878,000	29,511,680
14	Jun 13, 2023 23:43	10,572	239,524,801	12,974,000	34,598,000	29,704,192
15	Jun 13, 2023 23:40	10,572	240,215,988	15,858,000	31,717,000	29,708,288
16	Jun 13, 2023 23:43	10,574	238,963,733	13,062,000	34,521,000	29,708,288
17	Jun 13, 2023 23:43	10,595	242,079,573	17,115,000	30,563,000	29,696,000
18	Jun 13, 2023 23:42	10,595	239,825,146	16,631,000	31,045,000	29,675,520
19	Jun 13, 2023 23:42	10,609	237,952,774	15,190,000	32,550,000	29,712,384
20	Jun 13, 2023 23:40	10,630	232,240,778	12,437,000	35,398,000	29,708,288
21	Jun 13, 2023 23:42	10,632	240,860,958	13,233,000	34,611,000	29,675,520
22	Jun 13, 2023 23:43	10,632	244,957,610	12,439,000	35,404,000	29,499,392
23	Jun 13, 2023 23:40	10,637	237,860,039	13,402,000	34,463,000	29,548,544
24	Jun 13, 2023 23:42	10,638	232,798,635	12,202,000	35,667,000	29,675,520
25	Jun 13, 2023 23:40	10,643	238,559,629	15,239,000	32,656,000	29,577,216
26	Jun 13, 2023 23:43	10,650	239,909,593	15,249,000	32,677,000	29,708,288
27	Jun 13, 2023 23:43	10,658	233,195,769	13,703,000	34,259,000	29,675,520
28	Jun 13, 2023 23:40	10,667	238,581,321	16,000,000	32,001,000	29,544,448
29	Jun 13, 2023 23:40	10,677	239,278,314	14,131,000	33,916,000	29,634,560
30	Jun 13, 2023 23:40	10,686	236,530,475	16,029,000	32,058,000	29,650,944
31	Jun 13, 2023 23:42	10,686	239,591,865	16,028,000	32,057,000	29,544,448
32	Jun 13, 2023 23:43	10,715	234,213,735	16,438,000	31,781,000	29,708,288
33	Jun 13, 2023 23:42	10,720	240,061,486	12,264,000	35,976,000	29,675,520
34	Jun 13, 2023 23:42	10,724	239,321,053	12,547,000	35,711,000	29,540,352
35	Jun 13, 2023 23:42	10,762	239,559,063	16,567,000	31,860,000	29,671,424
36	Jun 13, 2023 23:40	10,791	244,431,383	16,939,000	31,620,000	29,667,328
37	Jun 13, 2023 23:40	10,794	237,315,608	12,886,000	35,686,000	29,708,288
38	Jun 13, 2023 23:42	10,822	236,795,658	14,204,000	34,496,000	29,712,384
39	Jun 13, 2023 23:43	10,873	235,990,033	13,828,000	35,102,000	29,708,288

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