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 11, 2021 01:30

Yuriy LyfenkoScore: 15,482Success

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 11, 2021 01:30	8,345	108,846,300	37,553,779	0	2,256,896
2	Oct 11, 2021 01:30	8,356	93,427,193	37,601,811	0	2,248,704
3	Oct 11, 2021 01:31	8,359	101,276,867	37,616,473	0	2,256,896
4	Oct 11, 2021 01:30	8,360	126,967,449	37,618,153	0	2,252,800
5	Oct 11, 2021 01:31	8,360	103,082,987	37,618,268	0	2,244,608
6	Oct 11, 2021 01:31	8,362	103,049,657	37,629,824	0	2,248,704
7	Oct 11, 2021 01:31	15,376	254,506,789	39,387,000	29,806,000	29,581,312
8	Oct 11, 2021 01:30	15,379	261,628,073	37,111,000	32,096,000	29,663,232
9	Oct 11, 2021 01:31	15,434	258,816,441	37,398,000	32,056,000	29,671,424
10	Oct 11, 2021 01:31	15,440	258,253,951	41,689,000	27,793,000	29,396,992
11	Oct 11, 2021 01:30	15,456	257,708,104	40,384,000	29,166,000	29,581,312
12	Oct 11, 2021 01:30	15,464	263,325,629	38,542,000	31,047,000	29,704,192
13	Oct 11, 2021 01:31	15,482	256,710,634	37,435,000	32,236,000	29,708,288
14	Oct 11, 2021 01:31	15,488	261,909,245	39,072,000	30,624,000	29,708,288
15	Oct 11, 2021 01:30	15,490	264,095,071	37,377,000	32,326,000	29,708,288
16	Oct 11, 2021 01:31	15,496	259,831,875	40,315,000	29,419,000	29,544,448
17	Oct 11, 2021 01:31	15,522	257,161,342	37,612,000	32,239,000	29,687,808
18	Oct 11, 2021 01:30	15,524	254,437,348	34,437,000	35,421,000	29,712,384
19	Oct 11, 2021 01:31	15,540	266,071,909	36,403,000	33,529,000	29,663,232
20	Oct 11, 2021 01:31	15,548	259,112,653	39,827,000	30,139,000	29,704,192
21	Oct 11, 2021 01:30	15,555	266,101,667	41,999,000	27,999,000	29,573,120
22	Oct 11, 2021 01:30	15,561	264,244,398	41,789,000	28,235,000	29,659,136
23	Oct 11, 2021 01:30	15,594	264,890,614	40,568,000	29,604,000	29,671,424
24	Oct 11, 2021 01:30	15,909	267,672,292	39,650,000	31,940,000	29,708,288

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