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
Mar 30, 2025 15:34	Alex Kent	CPPg++13.2.0	Success	7,750+179.58 RP
Mar 30, 2025 15:09	Alex Kent	CPPg++13.2.0	Success	9,003+36.17 RP
Mar 30, 2025 10:43	Aniruddha Deb	CPPg++13.2.0	Error
Mar 30, 2025 10:11	Aniruddha Deb	CPPg++13.2.0	Success	135,764+73.66 RP
Mar 30, 2025 10:05	Aniruddha Deb	CPPg++13.2.0	Error
Mar 30, 2025 10:01	Aniruddha Deb	CPPg++13.2.0	Error
Mar 30, 2025 09:59	Aniruddha Deb	CPPg++13.2.0	Error
Mar 30, 2025 09:54	Aniruddha Deb	CPPg++13.2.0	Error
Mar 30, 2025 09:54	Aniruddha Deb	CPPg++13.2.0	Error
Mar 30, 2025 09:51	Aniruddha Deb	CPPg++13.2.0	Error
Mar 30, 2025 09:44	Aniruddha Deb	CPPg++13.2.0	Error
Mar 30, 2025 09:19	Aniruddha Deb	CPPg++13.2.0	Error
Mar 30, 2025 05:34	Alex Kent	CPPg++13.2.0	Success	9,306+2.19 RP
Mar 30, 2025 05:00	Alex Kent	CPPg++13.2.0	Success	9,325+85.61 RP
Mar 30, 2025 04:50	Alex Kent	CPPg++13.2.0	Success	10,134+193.06 RP
Mar 30, 2025 04:15	Alex Kent	CPPg++13.2.0	Success	12,599+2.95 RP
Mar 30, 2025 03:44	Alex Kent	CPPclang++18.1.3	Success	12,646+790.76 RP
Mar 30, 2025 00:43	Victor Muñoz	CPPg++13.2.0	Success	3,336
Mar 30, 2025 00:43	Victor Muñoz	CPPg++13.2.0	Success	3,239
Mar 30, 2025 00:42	Victor Muñoz	CPPg++13.2.0	Success	3,343
Mar 30, 2025 00:13	Victor Muñoz	CPPg++13.2.0	Success	3,128+109.56 RP
Mar 30, 2025 00:13	Victor Muñoz	CPPclang++18.1.3	Success	4,517
Mar 29, 2025 15:07	Alex Kent	CPPclang++18.1.3	Error
Mar 28, 2025 15:14	Alex Kent	CPPclang++18.1.3	Error
Mar 28, 2025 11:23	Alex Kent	CPPclang++18.1.3	Error
Mar 28, 2025 10:53	Alex Kent	CPPclang++18.1.3	Error
Mar 28, 2025 05:39	Alex Kent	CPPclang++18.1.3	Error
Mar 28, 2025 05:29	Alex Kent	CPPclang++18.1.3	Error
Mar 28, 2025 05:17	Alex Kent	CPPclang++18.1.3	Error
Mar 28, 2025 05:07	Alex Kent	CPPclang++18.1.3	Error
Mar 27, 2025 06:49	Alex Kent	CPPclang++18.1.3	Error
Mar 27, 2025 06:47	Alex Kent	CPPclang++18.1.3	Error
Feb 10, 2025 07:02	NoSIMD_C#	CPPclang++18.1.3	Success	9,449
Feb 3, 2025 05:39	NoSIMD_C#	CPPclang++18.1.3	Success	9,447+73.12 RP
Feb 3, 2025 05:31	NoSIMD_C#	CPPg++13.2.0	Success	10,571
Feb 2, 2025 20:31	HighloadGPT-o3-mini-high	CPPclang++18.1.3	Error
Feb 2, 2025 20:29	HighloadGPT-o3-mini-high	CPPclang++18.1.3	Error
Feb 2, 2025 19:16	HighloadGPT-o3-mini-high	CPPclang++18.1.3	Error
Feb 2, 2025 19:13	HighloadGPT-o3-mini-high	CPPclang++18.1.3	Error
Jan 29, 2025 20:57	Keefe	CPPclang++18.1.3	Error
Jan 29, 2025 18:00	Keefe	CPPclang++18.1.3	Error
Jan 29, 2025 17:53	Keefe	CPPclang++18.1.3	Error
Jan 23, 2025 08:36	NoSIMD_C#	CSHARP9.0.1	Success	20,204+0.59 RP
Jan 21, 2025 07:42	NoSIMD_C#	CSHARP9.0.1	Success	20,228+95.47 RP
Jan 20, 2025 23:20	Ian Mckibben	CPPclang++18.1.3	Success	7,618
Jan 20, 2025 23:19	Ian Mckibben	CPPclang++18.1.3	Success	7,615+72.04 RP
Jan 20, 2025 23:12	Ian Mckibben	CPPclang++18.1.3	Error
Jan 20, 2025 22:55	Ian Mckibben	CPPclang++18.1.3	Success	8,057+53.37 RP
Jan 20, 2025 22:51	Ian Mckibben	CPPclang++18.1.3	Success	8,419+229.29 RP
Jan 20, 2025 22:50	Ian Mckibben	CPPclang++18.1.3	Success	10,433+24.00 RP
Jan 20, 2025 22:48	Ian Mckibben	CPPclang++18.1.3	Success	10,701+934.49 RP
Jan 20, 2025 22:45	Ian Mckibben	CPPclang++18.1.3	Error
Jan 20, 2025 22:44	Ian Mckibben	CPPclang++18.1.3	Error
Jan 20, 2025 22:42	Ian Mckibben	CPPclang++18.1.3	Error
Jan 20, 2025 22:39	Ian Mckibben	CPPclang++18.1.3	Error
Jan 20, 2025 22:36	Ian Mckibben	CPPclang++18.1.3	Error
Jan 20, 2025 22:35	Ian Mckibben	CPPclang++18.1.3	Error
Jan 20, 2025 22:34	Ian Mckibben	CPPclang++18.1.3	Error
Jan 20, 2025 22:32	Ian Mckibben	CPPclang++18.1.3	Error
Jan 20, 2025 22:32	Ian Mckibben	CPPclang++18.1.3	Error
Jan 20, 2025 22:31	Ian Mckibben	CPPclang++18.1.3	Error
Jan 20, 2025 22:28	Ian Mckibben	CPPclang++18.1.3	Error
Jan 20, 2025 22:28	Ian Mckibben	CPPclang++18.1.3	Error
Jan 20, 2025 22:27	Ian Mckibben	CPPclang++18.1.3	Error
Jan 20, 2025 22:23	Ian Mckibben	CPPclang++18.1.3	Error
Jan 20, 2025 22:19	Ian Mckibben	CPPclang++18.1.3	Error
Jan 20, 2025 22:18	Ian Mckibben	CPPclang++18.1.3	Error
Jan 20, 2025 22:04	Ian Mckibben	CPPclang++18.1.3	Error
Jan 20, 2025 22:04	Ian Mckibben	CPPclang++18.1.3	Error
Jan 20, 2025 21:06	Ian Mckibben	CPPclang++18.1.3	Error
Dec 30, 2024 19:21	Joad Nacer	CPPclang++18.1.3	Success	5,928
Dec 30, 2024 19:16	Joad Nacer	CPPg++13.2.0	Success	7,138
Dec 30, 2024 19:15	Joad Nacer	CPPclang++18.1.3	Success	6,141
Dec 30, 2024 19:11	Joad Nacer	CPPclang++18.1.3	Error
Dec 30, 2024 18:46	Joad Nacer	CPPclang++18.1.3	Error
Dec 30, 2024 18:03	Joad Nacer	CPPclang++18.1.3	Error
Dec 30, 2024 17:50	Joad Nacer	CPPclang++18.1.3	Success	5,934
Dec 30, 2024 17:35	Joad Nacer	CPPclang++18.1.3	Success	5,627
Dec 30, 2024 17:34	Joad Nacer	CPPclang++18.1.3	Error
Dec 30, 2024 16:14	Joad Nacer	CPPclang++18.1.3	Error
Dec 30, 2024 15:42	Joad Nacer	CPPclang++18.1.3	Success	5,645
Dec 30, 2024 15:34	Joad Nacer	CPPclang++18.1.3	Error
Dec 30, 2024 15:30	Joad Nacer	CPPclang++18.1.3	Error
Dec 30, 2024 04:35	Joad Nacer	CPPclang++18.1.3	Error
Dec 30, 2024 04:32	Joad Nacer	CPPclang++18.1.3	Error
Dec 30, 2024 04:32	Joad Nacer	CPPclang++18.1.3	Error
Dec 30, 2024 04:32	Joad Nacer	CPPg++13.2.0	Error
Dec 30, 2024 04:32	Joad Nacer	CPPg++13.2.0	Error
Dec 30, 2024 04:31	Joad Nacer	CPPg++13.2.0	Error
Dec 30, 2024 04:31	Joad Nacer	CPPclang++18.1.3	Error
Dec 30, 2024 04:29	Joad Nacer	CPPclang++18.1.3	Error
Dec 30, 2024 04:26	Joad Nacer	CPPclang++18.1.3	Error
Dec 30, 2024 04:25	Joad Nacer	CPPclang++18.1.3	Error
Dec 30, 2024 04:25	Joad Nacer	CPPclang++18.1.3	Error
Dec 30, 2024 04:24	Joad Nacer	CPPclang++18.1.3	Error
Dec 30, 2024 04:24	Joad Nacer	CPPclang++18.1.3	Error
Dec 30, 2024 04:23	Joad Nacer	CPPclang++18.1.3	Error
Dec 30, 2024 04:21	Joad Nacer	CPPclang++18.1.3	Success	5,492
Dec 28, 2024 21:57	Joad Nacer	CPPclang++18.1.3	Error
Dec 27, 2024 15:40	Joad Nacer	CPPclang++18.1.3	Error

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