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
Oct 16, 2021 15:35	Ilya Aniskovets	CPPclang++10.0.0	Error
Oct 16, 2021 15:34	Ilya Aniskovets	CPPclang++10.0.0	Error
Oct 16, 2021 13:50	Ilya Aniskovets	CPPclang++10.0.0	Success	14,458
Oct 16, 2021 13:49	Ilya Aniskovets	CPPclang++10.0.0	Success	14,605
Oct 16, 2021 13:47	Ilya Aniskovets	CPPclang++10.0.0	Success	14,588
Oct 16, 2021 13:46	Ilya Aniskovets	CPPclang++10.0.0	Error
Oct 16, 2021 13:45	Ilya Aniskovets	CPPclang++10.0.0	Error
Oct 16, 2021 13:45	Ilya Aniskovets	CPPclang++10.0.0	Error
Oct 16, 2021 13:31	Ilya Aniskovets	CPPclang++10.0.0	Error
Oct 16, 2021 13:22	Ilya Aniskovets	CPPclang++10.0.0	Success	31,428
Oct 16, 2021 10:47	Ilya Aniskovets	CPPclang++10.0.0	Success	14,901
Oct 16, 2021 10:46	Ilya Aniskovets	CPPclang++10.0.0	Error
Oct 16, 2021 10:35	Ilya Aniskovets	CPPclang++10.0.0	Error
Oct 16, 2021 10:34	Ilya Aniskovets	CPPclang++10.0.0	Error
Oct 16, 2021 10:27	Ilya Aniskovets	CPPclang++10.0.0	Success	14,610
Oct 16, 2021 10:25	Ilya Aniskovets	CPPclang++10.0.0	Success	14,585
Oct 16, 2021 10:19	Ilya Aniskovets	CPPclang++10.0.0	Error
Oct 16, 2021 10:18	Ilya Aniskovets	CPPclang++10.0.0	Error
Oct 16, 2021 10:12	Ilya Aniskovets	CPPclang++10.0.0	Error
Oct 16, 2021 10:09	Ilya Aniskovets	CPPclang++10.0.0	Error
Oct 16, 2021 10:08	Ilya Aniskovets	CPPclang++10.0.0	Error
Oct 16, 2021 10:04	Ilya Aniskovets	CPPclang++10.0.0	Error
Oct 16, 2021 09:59	Ilya Aniskovets	CPPclang++10.0.0	Success	14,555
Oct 16, 2021 09:57	Ilya Aniskovets	CPPclang++10.0.0	Success	14,408
Oct 16, 2021 09:55	Ilya Aniskovets	CPPg++9.3.0	Success	16,404
Oct 16, 2021 09:55	Ilya Aniskovets	CPPclang++10.0.0	Success	14,972
Oct 16, 2021 09:54	Ilya Aniskovets	CPPclang++10.0.0	Error
Oct 16, 2021 09:54	Ilya Aniskovets	CPPclang++10.0.0	Error
Oct 16, 2021 09:51	Ilya Aniskovets	CPPclang++10.0.0	Success	14,680
Oct 16, 2021 09:41	Ilya Aniskovets	CPPclang++10.0.0	Success	14,640
Oct 16, 2021 09:37	Ilya Aniskovets	CPPg++9.3.0	Success	16,402
Oct 16, 2021 09:35	Ilya Aniskovets	CPPclang++10.0.0	Success	14,726
Oct 16, 2021 08:01	Ilya Aniskovets	CPPclang++10.0.0	Success	14,686
Oct 16, 2021 08:00	Ilya Aniskovets	CPPclang++10.0.0	Success	14,682
Oct 16, 2021 08:00	Ilya Aniskovets	CPPclang++10.0.0	Success	14,685
Oct 16, 2021 08:00	Ilya Aniskovets	CPPclang++10.0.0	Success	16,380
Oct 16, 2021 07:58	Ilya Aniskovets	CPPclang++10.0.0	Success	16,067
Oct 16, 2021 07:57	Ilya Aniskovets	CPPclang++10.0.0	Success	14,686
Oct 16, 2021 07:56	Ilya Aniskovets	CPPclang++10.0.0	Success	14,660
Oct 16, 2021 07:54	Ilya Aniskovets	CPPclang++10.0.0	Success	16,840
Oct 16, 2021 07:51	Ilya Aniskovets	CPPclang++10.0.0	Success	16,770
Oct 16, 2021 07:51	Ilya Aniskovets	CPPclang++10.0.0	Error
Oct 16, 2021 07:44	Ilya Aniskovets	CPPclang++10.0.0	Success	15,913
Oct 16, 2021 07:42	Ilya Aniskovets	CPPclang++10.0.0	Error
Oct 16, 2021 07:36	Ilya Aniskovets	CPPclang++10.0.0	Success	16,716
Oct 16, 2021 07:35	Ilya Aniskovets	CPPg++9.3.0	Success	10,443+476.97 RP
Oct 16, 2021 07:34	Ilya Aniskovets	CPPclang++10.0.0	Success	15,787
Oct 16, 2021 07:28	Ilya Aniskovets	CPPclang++10.0.0	Error
Oct 16, 2021 07:08	Ilya Aniskovets	CPPg++9.3.0	Success	16,645
Oct 16, 2021 07:07	Ilya Aniskovets	CPPclang++10.0.0	Success	14,745+3.84 RP
Oct 15, 2021 23:45	Yurkov Aleksey	CPPg++9.3.0	Success	16,031
Oct 15, 2021 23:43	Yurkov Aleksey	CPPg++9.3.0	Success	16,020+0.39 RP
Oct 15, 2021 23:40	Yurkov Aleksey	CPPg++9.3.0	Success	16,703
Oct 15, 2021 23:27	Yurkov Aleksey	CPPg++9.3.0	Success	16,442
Oct 15, 2021 23:25	Yurkov Aleksey	CPPg++9.3.0	Success	16,493
Oct 15, 2021 23:13	Yurkov Aleksey	CPPg++9.3.0	Success	16,030+30.43 RP
Oct 15, 2021 19:32	Yuriy Lyfenko	CPPg++9.3.0	Success	13,271
Oct 15, 2021 19:29	Yuriy Lyfenko	CPPg++9.3.0	Success	13,260
Oct 15, 2021 19:27	Yuriy Lyfenko	CPPg++9.3.0	Success	13,202
Oct 15, 2021 19:27	Yuriy Lyfenko	CPPg++9.3.0	Success	13,192
Oct 15, 2021 19:26	Yuriy Lyfenko	CPPg++9.3.0	Success	13,243
Oct 15, 2021 19:26	Yuriy Lyfenko	CPPg++9.3.0	Success	13,236
Oct 15, 2021 19:25	Yuriy Lyfenko	CPPg++9.3.0	Success	13,316
Oct 15, 2021 19:25	Yuriy Lyfenko	CPPg++9.3.0	Success	13,240
Oct 15, 2021 19:24	Yuriy Lyfenko	CPPg++9.3.0	Success	13,209
Oct 15, 2021 19:24	Yuriy Lyfenko	CPPg++9.3.0	Success	13,200
Oct 15, 2021 19:24	Yuriy Lyfenko	CPPg++9.3.0	Success	13,287
Oct 15, 2021 19:19	Yuriy Lyfenko	CPPg++9.3.0	Success	13,282
Oct 15, 2021 19:18	Yuriy Lyfenko	CPPg++9.3.0	Success	15,212
Oct 15, 2021 19:16	Yuriy Lyfenko	CPPclang++10.0.0	Success	13,645
Oct 15, 2021 19:13	Yuriy Lyfenko	CPPg++9.3.0	Success	13,546
Oct 15, 2021 19:10	Yuriy Lyfenko	CPPg++9.3.0	Success	13,194
Oct 15, 2021 19:09	Yuriy Lyfenko	CPPg++9.3.0	Success	13,278
Oct 15, 2021 19:09	Yuriy Lyfenko	CPPg++9.3.0	Success	13,335
Oct 15, 2021 19:08	Yuriy Lyfenko	CPPg++9.3.0	Success	13,365
Oct 15, 2021 19:08	Yuriy Lyfenko	CPPg++9.3.0	Success	13,939
Oct 15, 2021 19:07	Yuriy Lyfenko	CPPg++9.3.0	Success	13,158+9.76 RP
Oct 15, 2021 19:06	Yuriy Lyfenko	CPPg++9.3.0	Success	13,269
Oct 15, 2021 19:04	Yuriy Lyfenko	CPPg++9.3.0	Success	13,243+32.90 RP
Oct 15, 2021 19:03	Yuriy Lyfenko	CPPg++9.3.0	Error
Oct 15, 2021 18:57	Yuriy Lyfenko	CPPg++9.3.0	Success	13,540
Oct 15, 2021 18:55	Yuriy Lyfenko	CPPg++9.3.0	Success	13,757
Oct 15, 2021 18:48	Yuriy Lyfenko	CPPg++9.3.0	Success	13,538+3.26 RP
Oct 15, 2021 18:47	Yuriy Lyfenko	CPPg++9.3.0	Success	13,687
Oct 15, 2021 18:43	Yuriy Lyfenko	CPPg++9.3.0	Success	13,568+1.74 RP
Oct 15, 2021 18:38	Yuriy Lyfenko	CPPg++9.3.0	Success	13,584+147.27 RP
Oct 15, 2021 18:35	Yuriy Lyfenko	CPPg++9.3.0	Error
Oct 15, 2021 18:31	Yuriy Lyfenko	CPPg++9.3.0	Error
Oct 15, 2021 17:56	Yuriy Lyfenko	CPPg++9.3.0	Success	15,460
Oct 15, 2021 17:53	Yuriy Lyfenko	CPPg++9.3.0	Error
Oct 15, 2021 17:37	Yuriy Lyfenko	CPPg++9.3.0	Error
Oct 15, 2021 17:37	Yuriy Lyfenko	CPPg++9.3.0	Success	16,356
Oct 15, 2021 17:21	Yuriy Lyfenko	CPPg++9.3.0	Error
Oct 15, 2021 17:17	Yuriy Lyfenko	CPPg++9.3.0	Error
Oct 15, 2021 17:17	Yuriy Lyfenko	CPPg++9.3.0	Error
Oct 15, 2021 14:59	Yuriy Lyfenko	CPPg++9.3.0	Success	15,642
Oct 15, 2021 14:57	Yuriy Lyfenko	CPPg++9.3.0	Success	15,432
Oct 15, 2021 14:57	Yuriy Lyfenko	CPPg++9.3.0	Success	15,744
Oct 15, 2021 14:54	Yuriy Lyfenko	CPPg++9.3.0	Success	15,477
Oct 15, 2021 14:51	Yuriy Lyfenko	CPPg++9.3.0	Success	15,469

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