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.

Date	Author	Language	Status	Score
May 7, 2023 15:27	Bernard Teo	CPPg++9.3.0	Error
May 7, 2023 15:17	Bernard Teo	CPPg++9.3.0	Error
May 7, 2023 15:12	Bernard Teo	CPPg++9.3.0	Error
May 7, 2023 15:11	Bernard Teo	CPPg++9.3.0	Error
May 7, 2023 15:07	Bernard Teo	CPPg++9.3.0	Error
May 7, 2023 15:04	Bernard Teo	CPPg++9.3.0	Error
May 7, 2023 15:00	Bernard Teo	CPPg++9.3.0	Error
May 7, 2023 14:59	Bernard Teo	CPPg++9.3.0	Error
May 7, 2023 14:57	Yuriy Lyfenko	CPPg++9.3.0	Success	13,706
May 7, 2023 14:18	Bernard Teo	CPPg++9.3.0	Success	13,564
May 7, 2023 14:14	Bernard Teo	CPPg++9.3.0	Success	13,608
May 7, 2023 10:13	Bernard Teo	CPPg++9.3.0	Success	13,525
May 7, 2023 10:09	Bernard Teo	CPPg++9.3.0	Success	17,455
May 7, 2023 09:49	Bernard Teo	CPPg++9.3.0	Success	13,500
May 7, 2023 09:48	Bernard Teo	CPPg++9.3.0	Error
May 7, 2023 09:45	Bernard Teo	CPPg++9.3.0	Success	13,559
May 7, 2023 09:43	Bernard Teo	CPPg++9.3.0	Success	13,493+4.80 RP
May 7, 2023 09:36	Bernard Teo	CPPg++9.3.0	Success	16,296
May 7, 2023 09:33	Bernard Teo	CPPg++9.3.0	Success	13,581+1.24 RP
May 7, 2023 09:29	Bernard Teo	CPPg++9.3.0	Success	16,733
May 7, 2023 09:25	Bernard Teo	CPPg++9.3.0	Success	13,604+18.64 RP
May 7, 2023 09:15	Bernard Teo	CPPg++9.3.0	Success	13,958+9.32 RP
May 7, 2023 08:45	Bernard Teo	CPPg++9.3.0	Success	14,142+43.63 RP
May 6, 2023 18:11	Bernard Teo	CPPg++9.3.0	Success	15,072+53.99 RP
May 6, 2023 18:10	Bernard Teo	CPPg++9.3.0	Success	22,884
May 6, 2023 18:09	Bernard Teo	CPPg++9.3.0	Success	24,317
May 6, 2023 18:08	Bernard Teo	CPPg++9.3.0	Success	27,914
May 6, 2023 18:05	Bernard Teo	CPPg++9.3.0	Error
May 6, 2023 18:04	Bernard Teo	CPPg++9.3.0	Error
May 6, 2023 18:01	Bernard Teo	CPPg++9.3.0	Error
May 6, 2023 17:58	Bernard Teo	CPPg++9.3.0	Error
May 6, 2023 17:56	Bernard Teo	CPPg++9.3.0	Error
May 6, 2023 17:54	Bernard Teo	CPPg++9.3.0	Error
May 6, 2023 17:53	Bernard Teo	CPPg++9.3.0	Error
May 6, 2023 17:52	Bernard Teo	CPPg++9.3.0	Error
May 6, 2023 17:51	Bernard Teo	CPPg++9.3.0	Error
May 6, 2023 17:49	Bernard Teo	CPPg++9.3.0	Error
May 6, 2023 17:45	Bernard Teo	CPPg++9.3.0	Error
May 6, 2023 17:41	Bernard Teo	CPPg++9.3.0	Error
May 6, 2023 17:39	Bernard Teo	CPPg++9.3.0	Error
May 6, 2023 17:35	Bernard Teo	CPPg++9.3.0	Error
May 6, 2023 17:33	Bernard Teo	CPPg++9.3.0	Error
May 6, 2023 17:31	Bernard Teo	CPPg++9.3.0	Error
May 6, 2023 15:34	Bernard Teo	CPPg++9.3.0	Success	16,407+583.68 RP
May 6, 2023 15:26	Bernard Teo	CPPg++9.3.0	Error
May 6, 2023 07:19	Bernard Teo	CPPg++9.3.0	Error
May 6, 2023 07:11	Bernard Teo	CPPg++9.3.0	Success	387,319+5.71 RP
May 6, 2023 07:10	Bernard Teo	CPPg++9.3.0	Error
May 6, 2023 07:08	Bernard Teo	CPPg++9.3.0	Error
May 6, 2023 07:07	Bernard Teo	CPPg++9.3.0	Error
May 6, 2023 07:04	Bernard Teo	CPPg++9.3.0	Error
May 6, 2023 07:03	Bernard Teo	CPPg++9.3.0	Error
May 6, 2023 07:01	Bernard Teo	CPPg++9.3.0	Error
May 6, 2023 06:56	Bernard Teo	CPPg++9.3.0	Error
May 6, 2023 06:56	Bernard Teo	CPPg++9.3.0	Error
May 6, 2023 06:55	Bernard Teo	CPPg++9.3.0	Error
May 6, 2023 06:49	Bernard Teo	CPPg++9.3.0	Error
May 5, 2023 17:32	Bernard Teo	CPPg++9.3.0	Success	499,194
May 5, 2023 17:32	Bernard Teo	CPPg++9.3.0	Success	498,575
May 5, 2023 17:30	Bernard Teo	CPPg++9.3.0	Success	498,485
May 5, 2023 16:26	Bernard Teo	CPPg++9.3.0	Success	497,412+0.11 RP
May 5, 2023 16:24	Bernard Teo	CPPg++9.3.0	Success	500,141+0.04 RP
May 5, 2023 16:24	Bernard Teo	CPPg++9.3.0	Error
May 5, 2023 16:23	Bernard Teo	CPPg++9.3.0	Success	501,180+0.04 RP
May 5, 2023 16:21	Bernard Teo	CPPg++9.3.0	Success	502,243+19.91 RP
May 5, 2023 16:19	Bernard Teo	CPPg++9.3.0	Error
May 5, 2023 16:19	Bernard Teo	CPPg++9.3.0	Error
May 5, 2023 16:13	Bernard Teo	CPPg++9.3.0	Error
May 5, 2023 16:12	Bernard Teo	CPPg++9.3.0	Error
May 5, 2023 15:04	Bernard Teo	CPPg++9.3.0	Error
May 5, 2023 14:51	Bernard Teo	CPPg++9.3.0	Error
May 5, 2023 14:32	Bernard Teo	CPPg++9.3.0	Error
May 5, 2023 14:23	Bernard Teo	CPPg++9.3.0	Error
May 5, 2023 14:12	Bernard Teo	CPPg++9.3.0	Error
May 5, 2023 13:52	Bernard Teo	CPPg++9.3.0	Error
May 5, 2023 13:45	Bernard Teo	CPPg++9.3.0	Error
May 5, 2023 13:37	Bernard Teo	CPPg++9.3.0	Error
May 5, 2023 13:27	Bernard Teo	CPPg++9.3.0	Error
May 5, 2023 13:26	Bernard Teo	CPPg++9.3.0	Error
May 5, 2023 13:25	Bernard Teo	CPPg++9.3.0	Error
May 5, 2023 13:22	Bernard Teo	CPPg++9.3.0	Error
Mar 6, 2023 22:37	t	GOgo1.20.1	Success	109,990+90.92 RP
Feb 15, 2023 23:12	Liam	GOgo1.20.1	Success	109,882+91.01 RP
Aug 30, 2022 09:14	Gaussian-Process	CPPg++9.3.0	Error
Aug 30, 2022 09:05	Gaussian-Process	CPPg++9.3.0	Error
Aug 30, 2022 09:03	Gaussian-Process	CPPg++9.3.0	Error
Aug 30, 2022 09:03	Gaussian-Process	CPPg++9.3.0	Error
Aug 22, 2022 17:48	Robert Burke	GOgo1.18.4	Success	457,630+21.85 RP
Aug 22, 2022 17:46	Eugene Zhydzetski	GOgo1.19	Success	469,116+21.32 RP
Aug 13, 2022 06:37	Yuriy Lyfenko	CPPg++9.3.0	Error
Dec 25, 2021 05:03	Alexander Kim	GOgo1.17.5	Success	451,118+22.17 RP
Nov 24, 2021 02:22	Vitaliy F.	GOgo1.15.15	Success	50,162
Nov 24, 2021 02:21	Vitaliy F.	GOgo1.16.9	Success	48,581
Nov 24, 2021 02:21	Vitaliy F.	GOgo1.17.3	Success	43,013+0.69 RP
Nov 24, 2021 02:20	Vitaliy F.	GOgo1.17.3	Error
Nov 9, 2021 13:18	Ilya Aniskovets	CPPg++9.3.0	Success	16,398
Nov 9, 2021 13:17	Ilya Aniskovets	CPPclang++10.0.0	Success	14,908
Nov 9, 2021 13:17	Ilya Aniskovets	CPPclang++10.0.0	Error
Nov 9, 2021 13:15	Ilya Aniskovets	CPPclang++10.0.0	Success	14,587
Nov 9, 2021 13:14	Ilya Aniskovets	CPPclang++10.0.0	Success	14,690

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