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 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
Nov 9, 2021 13:12	Ilya Aniskovets	CPPclang++10.0.0	Error
Nov 9, 2021 13:10	Ilya Aniskovets	CPPclang++10.0.0	Success	14,949
Nov 9, 2021 13:06	Ilya Aniskovets	CPPclang++10.0.0	Success	14,253
Nov 9, 2021 13:04	Ilya Aniskovets	CPPclang++10.0.0	Success	14,275
Nov 9, 2021 12:59	Ilya Aniskovets	CPPclang++10.0.0	Error
Nov 9, 2021 12:58	Ilya Aniskovets	CPPclang++10.0.0	Error
Nov 9, 2021 12:31	Ilya Aniskovets	CPPclang++10.0.0	Success	14,503
Nov 9, 2021 12:25	Ilya Aniskovets	CPPg++9.3.0	Success	19,851
Nov 9, 2021 12:24	Ilya Aniskovets	CPPg++9.3.0	Error
Nov 9, 2021 12:24	Ilya Aniskovets	CPPclang++10.0.0	Error
Nov 9, 2021 12:21	Ilya Aniskovets	CPPclang++10.0.0	Success	20,994
Nov 9, 2021 12:17	Ilya Aniskovets	CPPclang++10.0.0	Error
Nov 9, 2021 12:13	Ilya Aniskovets	CPPclang++10.0.0	Success	17,519
Nov 9, 2021 12:07	Ilya Aniskovets	CPPclang++10.0.0	Error
Nov 9, 2021 11:26	Ilya Aniskovets	CPPclang++10.0.0	Success	15,261
Nov 9, 2021 11:21	Ilya Aniskovets	CPPclang++10.0.0	Error
Nov 9, 2021 09:05	Ilya Aniskovets	CPPclang++10.0.0	Success	15,166
Nov 9, 2021 09:02	Ilya Aniskovets	CPPclang++10.0.0	Success	15,375
Nov 9, 2021 09:00	Ilya Aniskovets	CPPclang++10.0.0	Error
Nov 9, 2021 09:00	Ilya Aniskovets	CPPclang++10.0.0	Error
Nov 9, 2021 08:54	Ilya Aniskovets	CPPclang++10.0.0	Success	14,588
Nov 9, 2021 08:54	Ilya Aniskovets	CPPclang++10.0.0	Error
Nov 9, 2021 08:52	Ilya Aniskovets	CPPclang++10.0.0	Error
Nov 9, 2021 08:50	Ilya Aniskovets	CPPclang++10.0.0	Error
Nov 8, 2021 12:24	Ilya Aniskovets	CPPg++9.3.0	Success	15,802
Nov 8, 2021 12:23	Ilya Aniskovets	CPPclang++10.0.0	Success	14,359
Nov 8, 2021 12:22	Ilya Aniskovets	CPPclang++10.0.0	Error
Nov 8, 2021 12:20	Ilya Aniskovets	CPPclang++10.0.0	Success	14,350
Nov 8, 2021 12:20	Ilya Aniskovets	CPPclang++10.0.0	Success	15,742
Nov 8, 2021 12:11	Ilya Aniskovets	CPPg++9.3.0	Success	15,395
Nov 8, 2021 12:11	Ilya Aniskovets	CPPclang++10.0.0	Success	14,602
Nov 8, 2021 12:01	Ilya Aniskovets	CPPclang++10.0.0	Error
Nov 8, 2021 11:33	Ilya Aniskovets	CPPclang++10.0.0	Error
Nov 8, 2021 08:23	Ilya Aniskovets	CPPclang++10.0.0	Success	14,690
Nov 8, 2021 08:19	Ilya Aniskovets	CPPclang++10.0.0	Success	14,616
Nov 8, 2021 08:19	Ilya Aniskovets	CPPclang++10.0.0	Error
Nov 8, 2021 08:14	Ilya Aniskovets	CPPclang++10.0.0	Success	14,633
Nov 8, 2021 08:14	Ilya Aniskovets	CPPclang++10.0.0	Error
Nov 8, 2021 08:10	Ilya Aniskovets	CPPclang++10.0.0	Success	14,524
Nov 7, 2021 20:37	Sergey Stremin	RUSTrust-1.56.1	Success	15,162
Nov 7, 2021 20:26	Sergey Stremin	RUSTrust-1.56.1	Success	14,098+31.96 RP
Nov 7, 2021 20:18	Sergey Stremin	RUSTrust-1.56.1	Error
Nov 7, 2021 20:05	Sergey Stremin	RUSTrust-1.56.1	Success	14,423+127.94 RP
Oct 27, 2021 07:38	Ilya Aniskovets	CPPclang++10.0.0	Success	15,328
Oct 27, 2021 07:35	Ilya Aniskovets	CPPclang++10.0.0	Error
Oct 27, 2021 07:34	Ilya Aniskovets	CPPclang++10.0.0	Error
Oct 27, 2021 07:33	Ilya Aniskovets	CPPclang++10.0.0	Error
Oct 27, 2021 07:30	Ilya Aniskovets	CPPclang++10.0.0	Success	14,719
Oct 25, 2021 03:58	Yuriy Lyfenko	GOgo1.17.2	Success	18,162
Oct 25, 2021 03:57	Yuriy Lyfenko	GOgo1.17.2	Success	18,011
Oct 25, 2021 03:56	Yuriy Lyfenko	GOgo1.17.2	Success	17,569+1.33 RP
Oct 25, 2021 03:55	Yuriy Lyfenko	GOgo1.17.2	Success	17,610+2.41 RP
Oct 25, 2021 03:53	Yuriy Lyfenko	GOgo1.13.13	Success	18,704
Oct 25, 2021 03:53	Yuriy Lyfenko	GOgo1.17.2	Success	17,685+73.08 RP
Oct 25, 2021 03:51	Yuriy Lyfenko	GOgo1.17.2	Success	20,310+103.82 RP
Oct 25, 2021 03:44	Yuriy Lyfenko	GOgo1.17.2	Error
Oct 17, 2021 16:41	Yurkov Aleksey	CPPg++9.3.0	Success	16,155
Oct 17, 2021 16:39	Yurkov Aleksey	CPPg++9.3.0	Success	16,246
Oct 16, 2021 17:09	Ilya Aniskovets	CPPclang++10.0.0	Success	15,622
Oct 16, 2021 17:09	Ilya Aniskovets	CPPclang++10.0.0	Error
Oct 16, 2021 17:08	Ilya Aniskovets	CPPclang++10.0.0	Error
Oct 16, 2021 17:07	Ilya Aniskovets	CPPclang++10.0.0	Error
Oct 16, 2021 17:02	Ilya Aniskovets	CPPclang++10.0.0	Success	14,568
Oct 16, 2021 17:02	Ilya Aniskovets	CPPclang++10.0.0	Success	14,701
Oct 16, 2021 17:02	Ilya Aniskovets	CPPclang++10.0.0	Error
Oct 16, 2021 17:00	Yuriy Lyfenko	CPPg++9.3.0	Success	13,259
Oct 16, 2021 17:00	Yuriy Lyfenko	CPPg++9.3.0	Success	13,280
Oct 16, 2021 16:56	Ilya Aniskovets	CPPclang++10.0.0	Success	14,589
Oct 16, 2021 15:56	Ilya Aniskovets	CPPclang++10.0.0	Error

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