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 17, 2024 00:10	Joad Nacer	CPPclang++18.1.3	Error
Dec 16, 2024 23:52	Joad Nacer	CPPclang++18.1.3	Error
Dec 16, 2024 23:51	Joad Nacer	CPPclang++18.1.3	Error
Dec 16, 2024 23:50	Joad Nacer	CPPclang++18.1.3	Error
Dec 16, 2024 23:44	Mikhail Shirokov	CPPg++13.2.0	Error
Dec 16, 2024 23:41	Joad Nacer	CPPclang++18.1.3	Success	5,540
Dec 16, 2024 23:40	Joad Nacer	CPPclang++18.1.3	Success	6,425
Dec 16, 2024 23:40	Joad Nacer	CPPg++13.2.0	Success	6,893
Dec 16, 2024 23:39	Mikhail Shirokov	CPPg++13.2.0	Success	2,013,844+0.11 RP
Dec 16, 2024 23:38	Mikhail Shirokov	CPPclang++18.1.3	Success	2,071,426
Dec 16, 2024 10:52	NoSIMD_C#	CPPg++13.2.0	Success	10,148+455.22 RP
Dec 12, 2024 17:58	Yuriy Lyfenko	CPPg++13.2.0	Success	2,991+22.28 RP
Dec 12, 2024 17:57	Yuriy Lyfenko	CPPg++13.2.0	Success	3,075
Dec 12, 2024 17:56	Yuriy Lyfenko	CPPg++13.2.0	Success	3,104
Dec 12, 2024 17:51	Yuriy Lyfenko	CPPg++13.2.0	Success	3,004
Dec 12, 2024 17:50	Yuriy Lyfenko	CPPg++13.2.0	Success	6,359
Dec 12, 2024 17:50	Yuriy Lyfenko	CPPclang++18.1.3	Success	9,126
Dec 12, 2024 17:48	Yuriy Lyfenko	CPPg++13.2.0	Success	6,291
Dec 10, 2024 15:05	E Sequeira	CPPclang++18.1.3	Success	16,680
Dec 10, 2024 15:04	E Sequeira	CPPclang++18.1.3	Success	16,599+4.54 RP
Dec 10, 2024 15:00	E Sequeira	CPPclang++18.1.3	Success	16,909
Dec 10, 2024 14:59	E Sequeira	CPPclang++18.1.3	Error
Dec 10, 2024 14:55	E Sequeira	CPPclang++18.1.3	Success	21,803
Dec 10, 2024 14:54	E Sequeira	CPPclang++18.1.3	Error
Dec 10, 2024 14:53	E Sequeira	CPPg++13.2.0	Success	20,626
Dec 10, 2024 14:52	E Sequeira	CPPg++13.2.0	Success	20,462
Dec 10, 2024 14:52	E Sequeira	CPPclang++18.1.3	Success	19,792
Dec 10, 2024 14:51	E Sequeira	CPPclang++18.1.3	Success	20,822
Dec 10, 2024 14:48	E Sequeira	CPPg++13.2.0	Success	20,638
Dec 10, 2024 13:56	Yuriy Lyfenko	CPPg++13.2.0	Success	6,344
Dec 10, 2024 13:46	Yuriy Lyfenko	CPPg++13.2.0	Success	3,001+569.55 RP
Dec 10, 2024 05:53	Yuriy Lyfenko	CPPg++13.2.0	Success	10,355
Dec 10, 2024 05:50	Yuriy Lyfenko	CPPclang++18.1.3	Success	13,106
Dec 10, 2024 05:50	Yuriy Lyfenko	CPPg++13.2.0	Success	10,285
Dec 10, 2024 05:49	Yuriy Lyfenko	CPPg++13.2.0	Success	10,495
Dec 10, 2024 05:48	Yuriy Lyfenko	CPPg++13.2.0	Success	10,427
Dec 10, 2024 05:40	Yuriy Lyfenko	CPPg++13.2.0	Success	10,356
Dec 10, 2024 05:33	Yuriy Lyfenko	CPPg++13.2.0	Success	12,137
Dec 10, 2024 05:32	Yuriy Lyfenko	CPPclang++18.1.3	Success	15,274
Dec 10, 2024 05:25	Yuriy Lyfenko	CPPg++13.2.0	Success	12,091
Dec 7, 2024 20:33	E Sequeira	GOgo1.23.3	Success	22,322
Dec 7, 2024 20:31	E Sequeira	GOgo1.23.3	Success	23,167
Dec 7, 2024 20:30	E Sequeira	GOgo1.23.3	Error
Dec 7, 2024 20:29	E Sequeira	GOgo1.23.3	Success	23,139
Dec 7, 2024 20:16	E Sequeira	CPPclang++18.1.3	Error
Dec 7, 2024 20:13	E Sequeira	CPPclang++18.1.3	Success	16,725+4.40 RP
Dec 7, 2024 20:10	E Sequeira	CPPclang++18.1.3	Success	16,960
Dec 7, 2024 20:08	E Sequeira	CPPg++13.2.0	Success	20,772
Dec 7, 2024 20:07	E Sequeira	CPPclang++18.1.3	Success	18,275
Dec 7, 2024 20:06	E Sequeira	CPPclang++18.1.3	Success	16,849+25.62 RP
Dec 7, 2024 20:05	E Sequeira	CPPclang++18.1.3	Success	17,622
Dec 7, 2024 20:04	E Sequeira	CPPclang++18.1.3	Success	17,942
Dec 7, 2024 20:03	E Sequeira	CPPclang++18.1.3	Success	17,609+35.24 RP
Dec 7, 2024 20:02	E Sequeira	CPPg++13.2.0	Success	20,490
Dec 7, 2024 20:01	E Sequeira	CPPg++13.2.0	Error
Dec 7, 2024 20:01	E Sequeira	CPPclang++18.1.3	Error
Dec 7, 2024 19:58	E Sequeira	CPPclang++18.1.3	Error
Dec 7, 2024 19:56	E Sequeira	CPPclang++18.1.3	Success	18,774+52.18 RP
Dec 7, 2024 19:55	E Sequeira	CPPclang++18.1.3	Success	20,885
Dec 7, 2024 17:45	E Sequeira	CPPg++13.2.0	Success	20,908
Dec 7, 2024 17:43	E Sequeira	CPPg++13.2.0	Success	21,117
Dec 7, 2024 17:43	E Sequeira	CPPg++13.2.0	Error
Dec 7, 2024 17:42	E Sequeira	CPPg++13.2.0	Success	21,086
Dec 7, 2024 17:42	E Sequeira	CPPg++13.2.0	Success	20,881
Dec 7, 2024 15:42	E Sequeira	CPPg++13.2.0	Success	20,813+9.10 RP
Dec 7, 2024 15:40	E Sequeira	CPPg++13.2.0	Error
Dec 7, 2024 15:40	E Sequeira	CPPg++13.2.0	Success	21,276
Dec 7, 2024 15:39	E Sequeira	CPPclang++18.1.3	Success	22,682
Dec 7, 2024 15:37	E Sequeira	CPPg++13.2.0	Success	21,215+1.68 RP
Dec 7, 2024 15:36	E Sequeira	CPPg++13.2.0	Success	21,291+12.39 RP
Dec 7, 2024 15:34	E Sequeira	CPPg++13.2.0	Success	21,868+16.04 RP
Dec 7, 2024 15:34	E Sequeira	CPPclang++18.1.3	Success	22,663+0.99 RP
Dec 7, 2024 15:33	E Sequeira	CPPclang++18.1.3	Success	23,094
Dec 7, 2024 15:28	E Sequeira	CPPclang++18.1.3	Success	23,096
Dec 7, 2024 15:28	E Sequeira	CPPclang++18.1.3	Error
Dec 7, 2024 15:27	E Sequeira	CPPclang++18.1.3	Success	23,249
Dec 7, 2024 15:26	E Sequeira	CPPclang++18.1.3	Success	23,742
Dec 7, 2024 15:26	E Sequeira	CPPclang++18.1.3	Error
Dec 7, 2024 15:25	E Sequeira	GOgo1.23.3	Success	22,714+0.93 RP
Dec 7, 2024 15:24	E Sequeira	CPPclang++18.1.3	Error
Dec 7, 2024 15:23	E Sequeira	CPPclang++18.1.3	Error
Dec 6, 2024 19:37	E Sequeira	GOgo1.23.3	Error
Dec 6, 2024 19:27	E Sequeira	GOgo1.23.3	Error
Dec 6, 2024 19:26	E Sequeira	GOgo1.23.3	Error
Dec 6, 2024 19:25	E Sequeira	GOgo1.23.3	Error
Dec 6, 2024 19:24	E Sequeira	GOgo1.23.3	Error
Dec 6, 2024 19:24	E Sequeira	GOgo1.23.3	Error
Dec 6, 2024 19:21	E Sequeira	GOgo1.23.3	Error
Dec 6, 2024 19:18	E Sequeira	GOgo1.23.3	Error
Dec 6, 2024 19:17	E Sequeira	GOgo1.23.3	Error
Dec 6, 2024 19:16	E Sequeira	GOgo1.23.3	Error
Dec 6, 2024 19:13	E Sequeira	GOgo1.23.3	Error
Dec 6, 2024 19:12	E Sequeira	GOgo1.23.3	Success	22,946
Dec 6, 2024 19:11	E Sequeira	GOgo1.23.3	Error
Dec 6, 2024 19:10	E Sequeira	GOgo1.23.3	Success	22,774
Dec 6, 2024 19:09	E Sequeira	GOgo1.23.3	Success	22,762+4.96 RP
Dec 6, 2024 19:07	E Sequeira	GOgo1.23.3	Error
Dec 6, 2024 19:05	E Sequeira	GOgo1.23.3	Error
Dec 6, 2024 19:02	E Sequeira	GOgo1.23.3	Error
Dec 6, 2024 19:01	E Sequeira	GOgo1.23.3	Error

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