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 14, 2023 02:35

Victor MuñozScore: 10,498Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 14, 2023 04:04	3,224	74,682,027	14,506,828	0	2,224,128
2	Jun 14, 2023 02:35	3,226	79,757,454	14,516,366	0	2,215,936
3	Jun 14, 2023 04:04	3,230	84,029,007	14,535,179	0	2,215,936
4	Jun 14, 2023 02:34	3,231	59,564,717	14,541,620	0	2,215,936
5	Jun 14, 2023 02:34	3,238	75,771,117	14,570,899	0	2,224,128
6	Jun 14, 2023 02:35	3,242	86,118,382	14,588,294	0	2,220,032
7	Jun 14, 2023 02:35	3,244	71,550,052	14,598,519	0	2,215,936
8	Jun 14, 2023 02:34	3,244	82,038,163	14,598,933	0	2,220,032
9	Jun 14, 2023 04:04	3,246	78,417,059	14,604,891	0	2,224,128
10	Jun 14, 2023 04:04	10,418	236,826,837	13,673,000	33,207,000	29,745,152
11	Jun 14, 2023 02:34	10,418	229,877,165	12,437,000	34,442,000	29,765,632
12	Jun 14, 2023 04:04	10,429	229,523,732	13,409,000	33,523,000	29,519,872
13	Jun 14, 2023 04:04	10,430	231,972,170	13,264,000	33,670,000	29,712,384
14	Jun 14, 2023 02:34	10,432	227,396,267	14,936,000	32,007,000	29,519,872
15	Jun 14, 2023 04:04	10,449	234,420,048	15,282,000	31,740,000	29,585,408
16	Jun 14, 2023 02:34	10,462	232,083,467	14,023,000	33,054,000	29,507,584
17	Jun 14, 2023 02:35	10,473	234,126,842	12,764,000	34,366,000	29,683,712
18	Jun 14, 2023 04:04	10,485	239,243,372	12,779,000	34,405,000	29,483,008
19	Jun 14, 2023 04:04	10,498	233,030,588	16,598,000	30,644,000	29,585,408
20	Jun 14, 2023 02:35	10,500	236,575,278	15,356,000	31,893,000	29,712,384
21	Jun 14, 2023 02:34	10,502	236,595,907	15,387,000	31,873,000	29,683,712
22	Jun 14, 2023 02:34	10,530	230,692,667	12,319,000	35,064,000	29,507,584
23	Jun 14, 2023 04:04	10,548	232,510,684	15,822,000	31,645,000	29,552,640
24	Jun 14, 2023 04:04	10,577	236,846,339	15,866,000	31,732,000	29,716,480
25	Jun 14, 2023 02:35	10,577	237,390,992	13,165,000	34,432,000	29,745,152
26	Jun 14, 2023 04:04	10,591	230,916,107	13,900,000	33,759,000	29,507,584
27	Jun 14, 2023 02:35	10,603	234,921,240	13,784,000	33,930,000	29,741,056
28	Jun 14, 2023 02:35	10,652	236,627,714	14,163,000	33,773,000	29,716,480
29	Jun 14, 2023 02:35	10,668	236,638,833	12,237,000	35,770,000	29,716,480
30	Jun 14, 2023 02:34	10,677	238,067,491	14,312,000	33,736,000	29,585,408
31	Jun 14, 2023 02:35	10,685	241,189,137	15,627,000	32,456,000	29,712,384
32	Jun 14, 2023 02:34	10,707	234,230,983	13,766,000	34,417,000	29,716,480
33	Jun 14, 2023 02:35	10,722	231,915,059	14,372,000	33,879,000	29,515,776
34	Jun 14, 2023 02:35	10,726	240,365,901	15,016,000	33,249,000	29,736,960
35	Jun 14, 2023 02:34	10,781	243,050,254	18,867,000	29,648,000	29,585,408
36	Jun 14, 2023 02:34	10,834	240,243,335	14,739,000	34,013,000	29,745,152

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