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 15, 2021 07:05	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 15, 2021 07:05	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 15, 2021 07:03	Ilya Aniskovets	CPPg++9.3.0	Success	17,540+2.75 RP
Oct 15, 2021 07:02	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 15, 2021 07:00	Ilya Aniskovets	CPPg++9.3.0	Success	17,705
Oct 15, 2021 06:57	Ilya Aniskovets	CPPg++9.3.0	Success	17,625+11.97 RP
Oct 15, 2021 06:56	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 15, 2021 06:55	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 15, 2021 06:53	Ilya Aniskovets	CPPg++9.3.0	Success	18,005+4.29 RP
Oct 15, 2021 06:49	Ilya Aniskovets	CPPg++9.3.0	Success	18,145+8.11 RP
Oct 15, 2021 06:33	Ilya Aniskovets	CPPg++9.3.0	Success	18,453
Oct 15, 2021 06:32	Ilya Aniskovets	CPPg++9.3.0	Success	19,257
Oct 15, 2021 06:31	Ilya Aniskovets	CPPg++9.3.0	Success	18,667
Oct 15, 2021 06:27	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 15, 2021 06:26	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 15, 2021 06:21	Ilya Aniskovets	CPPg++9.3.0	Success	18,418
Oct 15, 2021 06:21	Ilya Aniskovets	CPPg++9.3.0	Success	19,322
Oct 15, 2021 06:19	Ilya Aniskovets	CPPg++9.3.0	Success	19,496
Oct 15, 2021 06:15	Ilya Aniskovets	CPPg++9.3.0	Success	18,425
Oct 15, 2021 06:15	Ilya Aniskovets	CPPg++9.3.0	Success	18,416+1.12 RP
Oct 14, 2021 21:52	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 21:51	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 21:50	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 21:37	Ilya Aniskovets	CPPg++9.3.0	Success	18,730
Oct 14, 2021 21:15	Ilya Aniskovets	CPPg++9.3.0	Success	18,454+26.85 RP
Oct 14, 2021 21:15	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 21:13	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 21:13	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 21:09	Ilya Aniskovets	CPPg++9.3.0	Success	19,416+492.85 RP
Oct 14, 2021 21:07	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 20:55	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 20:50	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 20:50	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 20:49	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 20:49	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 20:46	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 20:45	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 20:44	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 16:50	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 16:49	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 16:45	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 16:44	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 16:31	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 16:29	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 16:29	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 16:26	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 16:25	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 16:23	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 16:22	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 16:20	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 16:10	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 16:08	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 16:07	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 16:07	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 16:05	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 16:05	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 16:04	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 16:02	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 16:01	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 16:00	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 16:00	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 15:58	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 15:55	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 14, 2021 15:55	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 12, 2021 22:46	Yurkov Aleksey	CPPclang++10.0.0	Success	16,874
Oct 12, 2021 22:46	Yurkov Aleksey	CPPg++9.3.0	Success	16,852+4.89 RP
Oct 12, 2021 22:35	Yurkov Aleksey	CPPg++9.3.0	Success	17,174
Oct 12, 2021 22:27	Yurkov Aleksey	CPPg++9.3.0	Success	16,992+2.79 RP
Oct 12, 2021 22:25	Yurkov Aleksey	CPPg++9.3.0	Success	17,111
Oct 12, 2021 22:24	Yurkov Aleksey	CPPg++9.3.0	Success	17,073+79.03 RP
Oct 12, 2021 22:21	Yurkov Aleksey	CPPg++9.3.0	Error
Oct 12, 2021 22:20	Yurkov Aleksey	CPPg++9.3.0	Success	20,013
Oct 12, 2021 22:19	Yurkov Aleksey	CPPg++9.3.0	Error
Oct 12, 2021 22:09	Yurkov Aleksey	CPPg++9.3.0	Error
Oct 12, 2021 22:05	Yurkov Aleksey	CPPg++9.3.0	Error
Oct 12, 2021 02:54	Vitaliy F.	GOgo1.17.2	Error
Oct 12, 2021 02:54	Vitaliy F.	GOgo1.17.2	Error
Oct 11, 2021 23:49	Vitaliy F.	GOgo1.17.2	Success	43,141+5.24 RP
Oct 11, 2021 23:48	Vitaliy F.	GOgo1.17.2	Error
Oct 11, 2021 23:47	Vitaliy F.	GOgo1.16.9	Error
Oct 11, 2021 23:21	Vitaliy F.	GOgo1.16.9	Success	49,442
Oct 11, 2021 23:20	Vitaliy F.	GOgo1.17.2	Success	47,618
Oct 11, 2021 23:19	Vitaliy F.	GOgo1.17.2	Success	44,138+13.34 RP
Oct 11, 2021 23:18	Vitaliy F.	GOgo1.17.2	Success	47,770
Oct 11, 2021 23:16	Vitaliy F.	GOgo1.17.2	Success	46,899+74.34 RP
Oct 11, 2021 23:15	Vitaliy F.	GOgo1.17.2	Error
Oct 11, 2021 23:13	Vitaliy F.	GOgo1.17.2	Error
Oct 11, 2021 23:11	Vitaliy F.	GOgo1.17.2	Error
Oct 11, 2021 23:09	Vitaliy F.	GOgo1.17.2	Error
Oct 11, 2021 23:07	Vitaliy F.	GOgo1.17.2	Error
Oct 11, 2021 23:01	Vitaliy F.	GOgo1.17.2	Success	72,004+116.71 RP
Oct 11, 2021 23:00	Vitaliy F.	GOgo1.17.2	Error
Oct 11, 2021 22:58	Vitaliy F.	GOgo1.17.2	Error
Oct 11, 2021 22:56	Vitaliy F.	GOgo1.17.2	Error
Oct 11, 2021 22:27	Vitaliy F.	GOgo1.17.2	Error
Oct 11, 2021 22:26	Vitaliy F.	GOgo1.17.2	Error
Oct 11, 2021 22:24	Vitaliy F.	GOgo1.17.2	Success	450,979+22.17 RP
Oct 11, 2021 21:58	Yurkov Aleksey	CPPg++9.3.0	Success	20,052
Oct 11, 2021 19:52	Yurkov Aleksey	CPPg++9.3.0	Success	19,736+11.54 RP
Oct 11, 2021 19:41	Yurkov Aleksey	CPPg++9.3.0	Success	21,189

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