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 listMay 21, 2023 08:54

Bernard TeoScore: 13,820Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 21, 2023 09:22	4,342	100,660,033	19,538,680	0	2,265,088
2	May 21, 2023 09:23	4,343	95,904,708	19,544,294	0	2,273,280
3	May 21, 2023 08:54	4,364	93,238,159	19,639,782	0	2,277,376
4	May 21, 2023 09:23	4,408	86,140,493	19,834,622	0	2,277,376
5	May 21, 2023 09:23	4,419	102,764,428	19,887,491	0	2,269,184
6	May 21, 2023 09:22	4,421	72,195,706	19,894,245	0	2,265,088
7	May 21, 2023 08:54	4,430	68,518,059	19,936,249	0	2,273,280
8	May 21, 2023 08:54	4,433	88,017,877	19,947,436	0	2,277,376
9	May 21, 2023 09:22	4,434	83,179,120	19,953,429	0	2,277,376
10	May 21, 2023 08:54	13,216	251,081,156	21,806,000	37,665,000	29,556,736
11	May 21, 2023 08:54	13,333	245,423,479	27,058,000	32,940,000	29,569,024
12	May 21, 2023 09:23	13,428	248,434,460	26,551,000	33,876,000	29,503,488
13	May 21, 2023 09:22	13,435	255,625,742	22,932,000	37,526,000	29,503,488
14	May 21, 2023 09:23	13,503	250,549,011	27,441,000	33,321,000	29,515,776
15	May 21, 2023 09:22	13,525	251,006,291	26,779,000	34,083,000	29,548,544
16	May 21, 2023 08:54	13,526	251,649,782	25,186,000	35,681,000	29,622,272
17	May 21, 2023 09:23	13,617	255,920,891	29,650,000	31,627,000	29,667,328
18	May 21, 2023 09:22	13,712	250,245,503	26,872,000	34,834,000	29,532,160
19	May 21, 2023 09:23	13,820	252,530,979	25,095,000	37,097,000	29,634,560
20	May 21, 2023 09:22	13,852	259,183,986	31,167,000	31,167,000	29,552,640
21	May 21, 2023 08:54	13,863	261,856,302	24,368,000	38,014,000	29,560,832
22	May 21, 2023 09:23	13,863	260,182,319	24,953,000	37,430,000	29,564,928
23	May 21, 2023 09:23	13,887	254,482,357	25,790,000	36,701,000	29,630,464
24	May 21, 2023 09:22	13,940	255,888,647	21,905,000	40,824,000	29,556,736
25	May 21, 2023 09:22	13,964	258,523,122	23,834,000	39,002,000	29,696,000
26	May 21, 2023 08:54	13,967	260,441,703	28,384,000	34,466,000	29,564,928
27	May 21, 2023 09:23	13,996	262,508,834	22,418,000	40,566,000	29,556,736
28	May 21, 2023 09:22	14,061	262,792,001	25,091,000	38,182,000	29,503,488
29	May 21, 2023 08:54	14,118	258,038,720	30,671,000	32,862,000	29,667,328
30	May 21, 2023 08:54	14,123	257,853,357	25,219,000	38,333,000	29,634,560
31	May 21, 2023 09:22	14,137	258,795,403	34,080,000	29,536,000	29,671,424
32	May 21, 2023 09:23	14,176	260,383,098	18,490,000	45,302,000	29,634,560
33	May 21, 2023 08:54	14,181	263,062,658	26,209,000	37,605,000	29,564,928
34	May 21, 2023 08:54	14,255	258,661,546	27,215,000	36,934,000	29,569,024
35	May 21, 2023 09:23	14,279	266,443,444	28,559,000	35,698,000	29,601,792
36	May 21, 2023 09:22	14,329	266,180,462	28,811,000	35,670,000	29,470,720

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