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 listOct 15, 2021 19:27

Yuriy LyfenkoScore: 13,192Success

Source Code

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Challenge History

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Oct 15, 2021 19:27	5,975	88,294,105	26,888,918	0	2,248,704
2	Oct 15, 2021 19:15	5,988	104,057,845	26,945,349	0	2,256,896
3	Oct 15, 2021 19:15	5,989	106,671,313	26,951,848	0	2,248,704
4	Oct 15, 2021 19:27	5,989	102,186,608	26,952,456	0	2,260,992
5	Oct 15, 2021 19:27	5,990	81,130,130	26,956,123	0	2,256,896
6	Oct 15, 2021 19:27	5,991	84,553,031	26,958,996	0	2,252,800
7	Oct 15, 2021 19:27	5,991	87,376,175	26,961,286	0	2,252,800
8	Oct 15, 2021 19:27	5,993	93,680,781	26,970,213	0	2,252,800
9	Oct 15, 2021 19:15	5,996	101,841,281	26,981,646	0	2,256,896
10	Oct 15, 2021 19:27	13,039	249,320,221	30,465,000	28,209,000	29,548,544
11	Oct 15, 2021 19:15	13,064	244,451,625	25,601,000	33,186,000	29,675,520
12	Oct 15, 2021 19:27	13,094	245,126,929	26,876,000	32,045,000	29,704,192
13	Oct 15, 2021 19:15	13,151	254,297,363	27,397,000	31,781,000	29,736,960
14	Oct 15, 2021 19:15	13,162	248,706,706	28,000,000	31,231,000	29,708,288
15	Oct 15, 2021 19:27	13,164	246,884,635	22,438,000	36,799,000	29,708,288
16	Oct 15, 2021 19:27	13,171	256,119,977	23,349,000	35,922,000	29,675,520
17	Oct 15, 2021 19:27	13,172	246,756,838	24,462,000	34,811,000	29,671,424
18	Oct 15, 2021 19:27	13,184	245,313,449	29,103,000	30,223,000	29,491,200
19	Oct 15, 2021 19:27	13,192	244,872,489	25,155,000	34,211,000	29,708,288
20	Oct 15, 2021 19:15	13,208	248,561,280	28,097,000	31,339,000	29,712,384
21	Oct 15, 2021 19:15	13,210	250,864,344	25,337,000	34,107,000	29,667,328
22	Oct 15, 2021 19:27	13,223	247,654,841	27,142,000	32,362,000	29,667,328
23	Oct 15, 2021 19:27	13,256	249,442,394	28,722,000	30,931,000	29,642,752
24	Oct 15, 2021 19:27	13,262	250,552,275	28,269,000	31,411,000	29,655,040
25	Oct 15, 2021 19:27	13,285	248,867,251	25,070,000	34,712,000	29,573,120
26	Oct 15, 2021 19:27	13,293	252,176,738	26,919,000	32,901,000	29,708,288
27	Oct 15, 2021 19:15	13,303	254,628,917	31,129,000	28,735,000	29,675,520
28	Oct 15, 2021 19:15	13,307	246,556,108	25,948,000	33,933,000	29,708,288
29	Oct 15, 2021 19:27	13,310	254,126,124	29,382,000	30,512,000	29,667,328
30	Oct 15, 2021 19:15	13,346	252,590,165	26,340,000	33,716,000	29,663,232
31	Oct 15, 2021 19:27	13,415	256,440,416	23,955,000	36,412,000	29,671,424
32	Oct 15, 2021 19:27	13,417	244,772,659	27,540,000	32,836,000	29,544,448
33	Oct 15, 2021 19:27	13,467	251,811,215	29,730,000	30,873,000	29,745,152
34	Oct 15, 2021 19:15	13,473	249,161,295	28,068,000	32,559,000	29,671,424
35	Oct 15, 2021 19:27	13,537	251,666,760	29,287,000	31,630,000	29,675,520
36	Oct 15, 2021 19:27	13,559	254,347,412	29,931,000	31,083,000	29,667,328

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