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 11, 2021 19:20	Yurkov Aleksey	CPPg++9.3.0	Success	20,546
Oct 11, 2021 13:59	Yuriy Lyfenko	CPPg++9.3.0	Success	15,490
Oct 11, 2021 12:33	tirochkin	GOgo1.17.2	Success	41,056
Oct 11, 2021 12:31	tirochkin	GOgo1.17.2	Success	40,732
Oct 11, 2021 12:24	tirochkin	GOgo1.17.2	Error
Oct 11, 2021 12:15	tirochkin	GOgo1.17.2	Error
Oct 11, 2021 12:14	tirochkin	GOgo1.17.2	Error
Oct 11, 2021 11:40	tirochkin	GOgo1.17.2	Success	41,823
Oct 11, 2021 11:33	tirochkin	GOgo1.17.2	Success	41,764
Oct 11, 2021 11:32	tirochkin	GOgo1.17.2	Error
Oct 11, 2021 11:31	tirochkin	GOgo1.17.2	Error
Oct 11, 2021 11:28	tirochkin	GOgo1.17.2	Success	46,209
Oct 11, 2021 11:13	tirochkin	GOgo1.17.2	Success	40,556+1.33 RP
Oct 11, 2021 11:12	tirochkin	GOgo1.17.2	Success	40,776+2.43 RP
Oct 11, 2021 11:11	tirochkin	GOgo1.17.2	Error
Oct 11, 2021 11:10	tirochkin	GOgo1.17.2	Error
Oct 11, 2021 11:06	tirochkin	GOgo1.17.2	Success	44,114
Oct 11, 2021 10:59	tirochkin	GOgo1.17.2	Success	41,235
Oct 11, 2021 10:59	tirochkin	GOgo1.17.2	Error
Oct 11, 2021 10:54	tirochkin	GOgo1.17.2	Success	44,049
Oct 11, 2021 10:53	tirochkin	GOgo1.17.2	Error
Oct 11, 2021 10:46	tirochkin	GOgo1.17.2	Error
Oct 11, 2021 10:45	tirochkin	GOgo1.17.2	Error
Oct 11, 2021 10:44	tirochkin	GOgo1.17.2	Error
Oct 11, 2021 10:43	tirochkin	GOgo1.17.2	Error
Oct 11, 2021 10:43	tirochkin	GOgo1.17.2	Error
Oct 11, 2021 10:38	tirochkin	GOgo1.17.2	Error
Oct 11, 2021 10:37	tirochkin	GOgo1.17.2	Error
Oct 11, 2021 10:28	tirochkin	GOgo1.17.2	Success	41,184+1.34 RP
Oct 11, 2021 10:27	tirochkin	GOgo1.17.2	Error
Oct 11, 2021 10:05	tirochkin	GOgo1.17.2	Error
Oct 11, 2021 10:04	tirochkin	GOgo1.17.2	Error
Oct 11, 2021 10:02	tirochkin	GOgo1.17.2	Error
Oct 11, 2021 09:57	tirochkin	GOgo1.17.2	Success	44,607
Oct 11, 2021 09:55	tirochkin	GOgo1.17.2	Success	44,612
Oct 11, 2021 09:54	tirochkin	GOgo1.17.2	Success	41,412+16.75 RP
Oct 11, 2021 09:46	tirochkin	GOgo1.17.2	Success	44,498+3.58 RP
Oct 11, 2021 09:43	tirochkin	GOgo1.17.2	Success	45,218+198.96 RP
Oct 11, 2021 09:42	tirochkin	GOgo1.17.2	Error
Oct 11, 2021 09:38	tirochkin	GOgo1.17.2	Error
Oct 11, 2021 09:34	tirochkin	GOgo1.17.2	Error
Oct 11, 2021 09:28	tirochkin	GOgo1.17.2	Error
Oct 11, 2021 09:21	tirochkin	GOgo1.17.2	Error
Oct 11, 2021 09:18	tirochkin	GOgo1.17.2	Error
Oct 11, 2021 09:03	Sergey Stremin	RUSTrust-1.54.0	Success	15,889+197.28 RP
Oct 11, 2021 06:53	tirochkin	GOgo1.17.2	Error
Oct 11, 2021 06:52	tirochkin	GOgo1.17.2	Error
Oct 11, 2021 06:50	Sergey Stremin	RUSTrust-1.54.0	Success	18,842+33.92 RP
Oct 11, 2021 06:49	Sergey Stremin	RUSTrust-1.54.0	Success	19,649
Oct 11, 2021 06:49	tirochkin	GOgo1.17.2	Error
Oct 11, 2021 06:49	Sergey Stremin	RUSTrust-1.54.0	Success	19,464+513.77 RP
Oct 11, 2021 06:48	Sergey Stremin	RUSTrust-1.54.0	Error
Oct 11, 2021 06:45	Sergey Stremin	RUSTrust-1.54.0	Error
Oct 11, 2021 06:44	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 11, 2021 06:42	Sergey Stremin	RUSTrust-1.54.0	Error
Oct 11, 2021 06:40	Sergey Stremin	RUSTrust-1.54.0	Error
Oct 11, 2021 06:39	Sergey Stremin	RUSTrust-1.54.0	Error
Oct 11, 2021 06:37	Sergey Stremin	RUSTrust-1.54.0	Error
Oct 11, 2021 06:36	Sergey Stremin	RUSTrust-1.54.0	Error
Oct 11, 2021 06:23	Sergey Stremin	RUSTrust-1.54.0	Error
Oct 11, 2021 06:22	Sergey Stremin	RUSTrust-1.54.0	Error
Oct 11, 2021 06:20	Sergey Stremin	RUSTrust-1.54.0	Error
Oct 11, 2021 06:17	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 11, 2021 06:17	Sergey Stremin	RUSTrust-1.54.0	Error
Oct 11, 2021 06:16	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 11, 2021 06:16	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 11, 2021 06:11	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 11, 2021 06:04	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 11, 2021 06:04	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 11, 2021 06:02	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 11, 2021 05:56	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 11, 2021 05:55	Ilya Aniskovets	CPPg++9.3.0	Error
Oct 11, 2021 05:51	Ilya Aniskovets	GOgo1.17.2	Success	450,683+22.19 RP
Oct 11, 2021 05:49	Andrey Tsvetkov	GOgo1.17.2	Error
Oct 11, 2021 05:44	Andrey Tsvetkov	GOgo1.17.2	Success	28,081
Oct 11, 2021 05:41	Andrey Tsvetkov	GOgo1.17.2	Success	26,164
Oct 11, 2021 05:39	Andrey Tsvetkov	GOgo1.17.2	Success	28,007
Oct 11, 2021 05:39	Andrey Tsvetkov	GOgo1.17.2	Success	26,228
Oct 11, 2021 05:38	Andrey Tsvetkov	GOgo1.17.2	Success	26,160
Oct 11, 2021 05:35	Andrey Tsvetkov	GOgo1.17.2	Success	25,771
Oct 11, 2021 05:34	Andrey Tsvetkov	GOgo1.17.2	Success	25,737+1.62 RP
Oct 11, 2021 05:33	Andrey Tsvetkov	GOgo1.17.2	Success	25,925
Oct 11, 2021 05:29	Andrey Tsvetkov	GOgo1.17.2	Success	26,182
Oct 11, 2021 05:28	Andrey Tsvetkov	GOgo1.17.2	Success	26,371
Oct 11, 2021 05:26	Andrey Tsvetkov	GOgo1.17.2	Error
Oct 11, 2021 02:19	Yuriy Lyfenko	CPPg++9.3.0	Success	15,461
Oct 11, 2021 02:15	Yuriy Lyfenko	CPPg++9.3.0	Success	17,355
Oct 11, 2021 02:14	Yuriy Lyfenko	CPPg++9.3.0	Error
Oct 11, 2021 02:06	Yuriy Lyfenko	CPPg++9.3.0	Success	15,459
Oct 11, 2021 02:05	Yuriy Lyfenko	CPPg++9.3.0	Success	15,537
Oct 11, 2021 02:05	Yuriy Lyfenko	CPPg++9.3.0	Success	15,402
Oct 11, 2021 02:04	Yuriy Lyfenko	CPPg++9.3.0	Success	15,581
Oct 11, 2021 02:03	Yuriy Lyfenko	CPPg++9.3.0	Success	15,635
Oct 11, 2021 02:03	Yuriy Lyfenko	CPPg++9.3.0	Success	17,446
Oct 11, 2021 02:02	Yuriy Lyfenko	CPPg++9.3.0	Success	15,544
Oct 11, 2021 02:00	Yuriy Lyfenko	CPPg++9.3.0	Success	15,368+3.38 RP
Oct 11, 2021 01:59	Yuriy Lyfenko	CPPg++9.3.0	Success	15,432
Oct 11, 2021 01:58	Yuriy Lyfenko	CPPg++9.3.0	Success	15,408+0.08 RP
Oct 11, 2021 01:57	Yuriy Lyfenko	CPPg++9.3.0	Error
Oct 11, 2021 01:55	Yuriy Lyfenko	CPPg++9.3.0	Success	15,462

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