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 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
Oct 11, 2021 01:54	Yuriy Lyfenko	CPPg++9.3.0	Success	15,419
Oct 11, 2021 01:54	Yuriy Lyfenko	CPPg++9.3.0	Success	15,630
Oct 11, 2021 01:52	Yuriy Lyfenko	CPPg++9.3.0	Success	15,481
Oct 11, 2021 01:51	Yuriy Lyfenko	CPPg++9.3.0	Success	15,489
Oct 11, 2021 01:51	Yuriy Lyfenko	CPPg++9.3.0	Success	15,507
Oct 11, 2021 01:50	Yuriy Lyfenko	CPPg++9.3.0	Success	15,662
Oct 11, 2021 01:49	Yuriy Lyfenko	CPPg++9.3.0	Success	15,574
Oct 11, 2021 01:48	Yuriy Lyfenko	CPPg++9.3.0	Success	15,518
Oct 11, 2021 01:48	Yuriy Lyfenko	CPPg++9.3.0	Success	15,409+6.12 RP
Oct 11, 2021 01:48	Yuriy Lyfenko	CPPg++9.3.0	Success	15,511
Oct 11, 2021 01:47	Yuriy Lyfenko	CPPg++9.3.0	Success	15,485
Oct 11, 2021 01:47	Yuriy Lyfenko	CPPg++9.3.0	Success	15,663
Oct 11, 2021 01:46	Yuriy Lyfenko	CPPg++9.3.0	Success	15,712
Oct 11, 2021 01:46	Yuriy Lyfenko	CPPg++9.3.0	Success	15,611
Oct 11, 2021 01:45	Yuriy Lyfenko	CPPg++9.3.0	Success	16,372
Oct 11, 2021 01:41	Yuriy Lyfenko	CPPg++9.3.0	Success	18,784
Oct 11, 2021 01:40	Yuriy Lyfenko	CPPg++9.3.0	Success	15,564
Oct 11, 2021 01:39	Yuriy Lyfenko	CPPg++9.3.0	Success	17,513
Oct 11, 2021 01:32	Yuriy Lyfenko	CPPclang++10.0.0	Success	18,216
Oct 11, 2021 01:30	Yuriy Lyfenko	CPPg++9.3.0	Success	15,482+3.42 RP
Oct 11, 2021 01:27	Yuriy Lyfenko	CPPg++9.3.0	Success	15,523+97.08 RP
Oct 11, 2021 01:26	Yuriy Lyfenko	CPPg++9.3.0	Error
Oct 11, 2021 01:10	Yuriy Lyfenko	CPPg++9.3.0	Success	17,091
Oct 11, 2021 01:07	Yuriy Lyfenko	CPPg++9.3.0	Success	16,916
Oct 11, 2021 01:07	Yuriy Lyfenko	CPPg++9.3.0	Success	17,085
Oct 11, 2021 01:06	Yuriy Lyfenko	CPPg++9.3.0	Success	16,939
Oct 11, 2021 01:05	Yuriy Lyfenko	CPPg++9.3.0	Success	17,348
Oct 11, 2021 01:04	Yuriy Lyfenko	CPPg++9.3.0	Error
Oct 11, 2021 00:59	Yuriy Lyfenko	CPPg++9.3.0	Success	16,955
Oct 11, 2021 00:58	Yuriy Lyfenko	CPPclang++10.0.0	Success	18,732
Oct 11, 2021 00:57	Yuriy Lyfenko	CPPg++9.3.0	Success	16,908
Oct 11, 2021 00:57	Yuriy Lyfenko	CPPg++9.3.0	Success	16,952
Oct 11, 2021 00:56	Yuriy Lyfenko	CPPg++9.3.0	Success	17,044
Oct 11, 2021 00:56	Yuriy Lyfenko	CPPg++9.3.0	Error
Oct 11, 2021 00:55	Yuriy Lyfenko	CPPg++9.3.0	Success	17,168
Oct 11, 2021 00:50	Yuriy Lyfenko	CPPg++9.3.0	Success	17,179
Oct 11, 2021 00:49	Yuriy Lyfenko	CPPg++9.3.0	Success	16,788+35.80 RP
Oct 11, 2021 00:49	Yuriy Lyfenko	CPPg++9.3.0	Error
Oct 11, 2021 00:48	Yuriy Lyfenko	CPPg++9.3.0	Success	17,378
Oct 11, 2021 00:48	Yuriy Lyfenko	CPPg++9.3.0	Success	17,364
Oct 11, 2021 00:47	Yuriy Lyfenko	CPPg++9.3.0	Success	17,322
Oct 11, 2021 00:47	Yuriy Lyfenko	CPPg++9.3.0	Success	17,328
Oct 11, 2021 00:46	Yuriy Lyfenko	CPPg++9.3.0	Success	17,308+1.60 RP
Oct 11, 2021 00:45	Yuriy Lyfenko	CPPg++9.3.0	Success	17,616
Oct 11, 2021 00:45	Yuriy Lyfenko	CPPg++9.3.0	Success	17,332+25.02 RP
Oct 11, 2021 00:44	Yuriy Lyfenko	CPPg++9.3.0	Success	17,716+12.98 RP
Oct 10, 2021 23:32	Yurkov Aleksey	CPPg++9.3.0	Success	20,196+0.22 RP
Oct 10, 2021 23:08	Yurkov Aleksey	CPPg++9.3.0	Success	20,205+29.88 RP
Oct 10, 2021 23:07	Yuriy Lyfenko	CPPg++9.3.0	Success	17,922+126.68 RP
Oct 10, 2021 23:06	Yuriy Lyfenko	CPPg++9.3.0	Success	20,217+4.28 RP
Oct 10, 2021 23:06	Yurkov Aleksey	CPPg++9.3.0	Success	21,853
Oct 10, 2021 23:05	Yuriy Lyfenko	CPPg++9.3.0	Success	20,448
Oct 10, 2021 23:04	Yuriy Lyfenko	CPPg++9.3.0	Error
Oct 10, 2021 23:03	Yuriy Lyfenko	CPPg++9.3.0	Success	23,040
Oct 10, 2021 22:58	Yurkov Aleksey	CPPg++9.3.0	Success	21,529
Oct 10, 2021 22:56	Yurkov Aleksey	CPPg++9.3.0	Error
Oct 10, 2021 22:50	Yurkov Aleksey	CPPg++9.3.0	Success	21,503+14.88 RP
Oct 10, 2021 22:49	Yuriy Lyfenko	CPPg++9.3.0	Success	20,481
Oct 10, 2021 22:48	Yuriy Lyfenko	CPPclang++10.0.0	Success	22,600
Oct 10, 2021 22:48	Yuriy Lyfenko	CPPg++9.3.0	Success	20,516
Oct 10, 2021 22:46	Yuriy Lyfenko	CPPg++9.3.0	Success	20,766
Oct 10, 2021 22:45	Yuriy Lyfenko	CPPg++9.3.0	Success	20,423
Oct 10, 2021 22:45	Yuriy Lyfenko	CPPg++9.3.0	Success	20,473
Oct 10, 2021 22:36	Yuriy Lyfenko	CPPg++9.3.0	Success	20,545
Oct 10, 2021 22:35	Yuriy Lyfenko	CPPg++9.3.0	Success	20,491
Oct 10, 2021 22:31	Yuriy Lyfenko	CPPg++9.3.0	Success	20,524
Oct 10, 2021 22:31	Yuriy Lyfenko	CPPg++9.3.0	Success	22,093
Oct 10, 2021 22:30	Yuriy Lyfenko	CPPclang++10.0.0	Success	22,608
Oct 10, 2021 22:30	Yuriy Lyfenko	CPPg++9.3.0	Success	20,512
Oct 10, 2021 22:29	Yuriy Lyfenko	CPPg++9.3.0	Success	20,305+3.82 RP
Oct 10, 2021 22:27	Yuriy Lyfenko	CPPg++9.3.0	Error
Oct 10, 2021 22:24	Yuriy Lyfenko	CPPg++9.3.0	Error
Oct 10, 2021 22:16	Yuriy Lyfenko	CPPg++9.3.0	Success	20,384+508.79 RP
Oct 10, 2021 22:12	Yuriy Lyfenko	CPPg++9.3.0	Error
Oct 10, 2021 22:10	Yuriy Lyfenko	CPPg++9.3.0	Error
Oct 10, 2021 22:06	Yurkov Aleksey	CPPg++9.3.0	Success	22,214+69.56 RP

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