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.

Back to listJun 11, 2023 22:05

Victor MuñozScore: 11,660Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 11, 2023 22:05	4,450	69,008,470	20,025,957	0	2,260,992
2	Jun 11, 2023 22:05	4,465	73,520,486	20,092,051	0	2,260,992
3	Jun 11, 2023 22:05	4,470	73,042,898	20,113,657	0	2,265,088
4	Jun 11, 2023 22:05	4,559	61,368,741	20,513,303	0	2,273,280
5	Jun 11, 2023 22:05	4,567	92,436,502	20,549,609	0	2,260,992
6	Jun 11, 2023 22:05	4,567	65,791,816	20,552,604	0	2,260,992
7	Jun 11, 2023 22:05	11,387	240,685,601	20,496,000	30,744,000	29,593,600
8	Jun 11, 2023 22:05	11,451	237,698,986	15,927,000	35,602,000	29,605,888
9	Jun 11, 2023 22:05	11,456	246,452,138	18,258,000	33,294,000	29,630,464
10	Jun 11, 2023 22:05	11,471	236,784,313	18,281,000	33,337,000	29,630,464
11	Jun 11, 2023 22:05	11,526	243,156,876	20,295,000	31,570,000	29,548,544
12	Jun 11, 2023 22:05	11,590	237,456,046	23,469,000	28,684,000	29,462,528
13	Jun 11, 2023 22:05	11,660	241,608,927	16,218,000	36,252,000	29,548,544
14	Jun 11, 2023 22:05	11,704	237,438,205	20,013,000	32,653,000	29,552,640
15	Jun 11, 2023 22:05	11,739	240,027,642	21,611,000	31,216,000	29,540,352
16	Jun 11, 2023 22:05	11,769	241,680,320	20,723,000	32,236,000	29,650,944
17	Jun 11, 2023 22:05	11,808	252,929,407	18,819,000	34,318,000	29,667,328
18	Jun 11, 2023 22:05	11,815	239,073,157	16,500,000	36,668,000	29,761,536
19	Jun 11, 2023 22:05	11,821	236,264,348	20,373,000	32,823,000	29,663,232
20	Jun 11, 2023 22:05	11,835	247,096,638	19,563,000	33,693,000	29,728,768
21	Jun 11, 2023 22:05	11,853	240,061,131	16,273,000	37,066,000	29,552,640
22	Jun 11, 2023 22:05	11,911	247,295,898	20,528,000	33,073,000	29,630,464
23	Jun 11, 2023 22:05	12,005	238,822,221	23,717,000	30,305,000	29,646,848
24	Jun 11, 2023 22:05	12,609	241,923,689	22,896,000	33,846,000	29,597,696

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