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
Dec 27, 2024 15:40	Joad Nacer	CPPg++13.2.0	Error
Dec 27, 2024 15:38	Joad Nacer	CPPg++13.2.0	Error
Dec 27, 2024 15:37	Joad Nacer	CPPg++13.2.0	Error
Dec 27, 2024 15:26	Joad Nacer	CPPg++13.2.0	Success	5,999
Dec 27, 2024 15:25	Joad Nacer	CPPg++13.2.0	Success	6,372
Dec 27, 2024 15:25	Joad Nacer	CPPg++13.2.0	Success	5,754
Dec 27, 2024 15:24	Joad Nacer	CPPg++13.2.0	Success	5,673
Dec 27, 2024 15:22	Joad Nacer	CPPg++13.2.0	Success	6,007
Dec 27, 2024 15:21	Joad Nacer	CPPg++13.2.0	Success	5,873
Dec 27, 2024 15:20	Joad Nacer	CPPg++13.2.0	Success	5,755
Dec 27, 2024 15:19	Joad Nacer	CPPclang++18.1.3	Success	6,513
Dec 27, 2024 15:19	Joad Nacer	CPPg++13.2.0	Success	5,631
Dec 27, 2024 15:17	Joad Nacer	CPPg++13.2.0	Error
Dec 27, 2024 15:11	Joad Nacer	CPPg++13.2.0	Error
Dec 27, 2024 15:11	Joad Nacer	CPPg++13.2.0	Success	6,775
Dec 27, 2024 15:10	Joad Nacer	CPPclang++18.1.3	Success	5,687
Dec 27, 2024 15:10	Joad Nacer	CPPclang++18.1.3	Success	5,535
Dec 27, 2024 15:10	Joad Nacer	CPPclang++18.1.3	Success	5,555
Dec 27, 2024 15:10	Joad Nacer	CPPclang++18.1.3	Success	6,137
Dec 27, 2024 15:07	Joad Nacer	CPPclang++18.1.3	Error
Dec 27, 2024 15:07	Joad Nacer	CPPclang++18.1.3	Success	6,712
Dec 27, 2024 15:07	Joad Nacer	CPPclang++18.1.3	Success	7,394
Dec 27, 2024 15:06	Joad Nacer	CPPclang++18.1.3	Success	7,421
Dec 27, 2024 15:06	Joad Nacer	CPPclang++18.1.3	Success	8,421
Dec 27, 2024 15:03	Joad Nacer	CPPclang++18.1.3	Success	8,719
Dec 27, 2024 15:03	Joad Nacer	CPPclang++18.1.3	Error
Dec 27, 2024 14:57	Joad Nacer	CPPclang++18.1.3	Error
Dec 27, 2024 14:56	Joad Nacer	CPPclang++18.1.3	Error
Dec 26, 2024 23:52	Joad Nacer	CPPclang++18.1.3	Success	5,492
Dec 22, 2024 23:14	HighloadGPTO1	CPPclang++18.1.3	Error
Dec 22, 2024 23:12	HighloadGPTO1	CPPclang++18.1.3	Error
Dec 22, 2024 23:11	HighloadGPTO1	CPPclang++18.1.3	Error
Dec 22, 2024 23:10	HighloadGPTO1	CPPclang++18.1.3	Error
Dec 22, 2024 23:08	HighloadGPTO1	CPPclang++18.1.3	Error
Dec 22, 2024 23:06	HighloadGPTO1	CPPclang++18.1.3	Error
Dec 20, 2024 10:24	Mikhail Shirokov	CPPg++13.2.0	Success	9,664
Dec 20, 2024 10:15	Mikhail Shirokov	CPPclang++18.1.3	Success	8,039
Dec 20, 2024 10:07	Mikhail Shirokov	CPPg++13.2.0	Error
Dec 20, 2024 10:02	Mikhail Shirokov	CPPclang++18.1.3	Error
Dec 20, 2024 09:59	Mikhail Shirokov	CPPclang++18.1.3	Success	7,708+0.67 RP
Dec 20, 2024 09:59	Mikhail Shirokov	CPPclang++18.1.3	Success	7,712+6.36 RP
Dec 20, 2024 09:57	Mikhail Shirokov	CPPclang++18.1.3	Success	7,770
Dec 20, 2024 09:57	Mikhail Shirokov	CPPg++13.2.0	Success	9,820
Dec 20, 2024 09:56	Mikhail Shirokov	CPPg++13.2.0	Success	9,645
Dec 20, 2024 09:56	Mikhail Shirokov	CPPclang++18.1.3	Success	7,750+19.67 RP
Dec 20, 2024 09:44	Mikhail Shirokov	CPPclang++18.1.3	Error
Dec 20, 2024 09:39	Mikhail Shirokov	CPPclang++18.1.3	Error
Dec 20, 2024 02:21	Mikhail Shirokov	CPPclang++18.1.3	Success	7,870+306.89 RP
Dec 20, 2024 02:18	Mikhail Shirokov	CPPclang++18.1.3	Error
Dec 20, 2024 02:01	Mikhail Shirokov	CPPclang++18.1.3	Success	10,376+5.54 RP
Dec 20, 2024 01:58	Mikhail Shirokov	CPPg++13.2.0	Success	12,514
Dec 20, 2024 01:58	Mikhail Shirokov	CPPg++13.2.0	Success	12,098
Dec 20, 2024 01:54	Mikhail Shirokov	CPPclang++18.1.3	Success	10,436+11.70 RP
Dec 20, 2024 01:46	Mikhail Shirokov	CPPclang++18.1.3	Success	10,565+141.04 RP
Dec 20, 2024 01:26	Mikhail Shirokov	CPPclang++18.1.3	Success	12,415+1.94 RP
Dec 20, 2024 01:21	Mikhail Shirokov	CPPclang++18.1.3	Success	12,445+38.95 RP
Dec 20, 2024 01:20	Mikhail Shirokov	CPPclang++18.1.3	Success	13,079+0.64 RP
Dec 20, 2024 01:19	Mikhail Shirokov	CPPg++13.2.0	Success	16,513
Dec 20, 2024 01:19	Mikhail Shirokov	CPPclang++18.1.3	Success	15,782
Dec 20, 2024 00:59	Mikhail Shirokov	CPPclang++18.1.3	Success	13,090+20.12 RP
Dec 20, 2024 00:52	Mikhail Shirokov	CPPg++13.2.0	Success	15,615
Dec 20, 2024 00:52	Mikhail Shirokov	CPPclang++18.1.3	Success	13,444+7.56 RP
Dec 20, 2024 00:51	Mikhail Shirokov	CPPclang++18.1.3	Success	14,656
Dec 20, 2024 00:49	Mikhail Shirokov	CPPclang++18.1.3	Success	13,582+42.35 RP
Dec 20, 2024 00:49	Mikhail Shirokov	CPPg++13.2.0	Success	15,346
Dec 20, 2024 00:43	Mikhail Shirokov	CPPg++13.2.0	Success	14,411+7.48 RP
Dec 20, 2024 00:30	Mikhail Shirokov	CPPg++13.2.0	Success	14,568+5.52 RP
Dec 19, 2024 23:37	Mikhail Shirokov	CPPg++13.2.0	Success	14,686+5.79 RP
Dec 19, 2024 23:33	Mikhail Shirokov	CPPg++13.2.0	Success	18,028
Dec 19, 2024 23:18	Mikhail Shirokov	CPPg++13.2.0	Success	14,812+53.93 RP
Dec 19, 2024 23:10	Mikhail Shirokov	CPPg++13.2.0	Success	16,098+196.04 RP
Dec 19, 2024 23:07	Mikhail Shirokov	CPPg++13.2.0	Success	23,521+225.06 RP
Dec 19, 2024 23:00	Mikhail Shirokov	CPPg++13.2.0	Success	49,976+0.89 RP
Dec 19, 2024 23:00	Mikhail Shirokov	CPPg++13.2.0	Success	50,200+48.22 RP
Dec 19, 2024 22:59	Mikhail Shirokov	CPPg++13.2.0	Success	66,232+3.58 RP
Dec 19, 2024 22:50	Mikhail Shirokov	CPPg++13.2.0	Success	67,839+7.66 RP
Dec 19, 2024 22:48	Mikhail Shirokov	CPPg++13.2.0	Success	71,556+31.98 RP
Dec 19, 2024 22:35	Mikhail Shirokov	CPPg++13.2.0	Error
Dec 19, 2024 22:26	Mikhail Shirokov	CPPg++13.2.0	Error
Dec 19, 2024 22:04	Mikhail Shirokov	CPPg++13.2.0	Error
Dec 19, 2024 21:56	Mikhail Shirokov	CPPg++13.2.0	Success	92,790+101.08 RP
Dec 19, 2024 02:05	Mikhail Shirokov	CPPg++13.2.0	Error
Dec 19, 2024 02:04	Mikhail Shirokov	CPPclang++18.1.3	Error
Dec 19, 2024 01:02	Mikhail Shirokov	CPPg++13.2.0	Error
Dec 19, 2024 00:46	Mikhail Shirokov	CPPg++13.2.0	Success	1,502,252
Dec 19, 2024 00:45	Mikhail Shirokov	CPPclang++18.1.3	Success	1,494,722+0.03 RP
Dec 19, 2024 00:43	Mikhail Shirokov	CPPclang++18.1.3	Success	1,512,892
Dec 19, 2024 00:28	Mikhail Shirokov	CPPclang++18.1.3	Success	1,502,306+0.05 RP
Dec 19, 2024 00:26	Mikhail Shirokov	CPPclang++18.1.3	Success	1,525,067
Dec 19, 2024 00:21	Mikhail Shirokov	CPPclang++18.1.3	Success	1,513,534+0.06 RP
Dec 19, 2024 00:17	Mikhail Shirokov	CPPclang++18.1.3	Success	1,527,760+1.47 RP
Dec 19, 2024 00:09	Mikhail Shirokov	CPPclang++18.1.3	Success	1,968,311+0.02 RP
Dec 19, 2024 00:08	Mikhail Shirokov	CPPclang++18.1.3	Error
Dec 18, 2024 23:52	Mikhail Shirokov	CPPclang++18.1.3	Success	1,977,407+0.04 RP
Dec 18, 2024 23:51	Mikhail Shirokov	CPPg++13.2.0	Success	2,010,702
Dec 18, 2024 23:44	Mikhail Shirokov	CPPg++13.2.0	Success	1,994,096+0.05 RP
Dec 17, 2024 00:17	Joad Nacer	CPPclang++18.1.3	Success	5,491
Dec 17, 2024 00:17	Joad Nacer	CPPclang++18.1.3	Error
Dec 17, 2024 00:14	Joad Nacer	CPPclang++18.1.3	Error
Dec 17, 2024 00:13	Joad Nacer	CPPclang++18.1.3	Success	5,936

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