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 listNov 8, 2021 12:20

Ilya AniskovetsScore: 14,350Success

Source Code

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Challenge History

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Nov 8, 2021 12:21	6,891	104,467,692	31,011,028	0	2,256,896
2	Nov 8, 2021 12:21	6,900	97,966,812	31,048,967	0	2,256,896
3	Nov 9, 2021 12:32	6,905	106,938,759	31,073,092	0	2,256,896
4	Nov 8, 2021 12:14	6,907	102,115,545	31,082,469	0	2,265,088
5	Nov 8, 2021 12:21	6,909	85,522,339	31,090,773	0	2,256,896
6	Nov 8, 2021 12:14	6,914	111,453,948	31,111,783	0	2,265,088
7	Nov 9, 2021 12:32	6,930	102,196,345	31,185,060	0	2,260,992
8	Nov 8, 2021 12:20	6,932	91,916,473	31,194,242	0	2,256,896
9	Nov 8, 2021 12:21	6,941	96,006,345	31,236,660	0	2,265,088
10	Nov 8, 2021 12:20	6,960	101,058,758	31,318,465	0	2,260,992
11	Nov 8, 2021 12:14	6,983	92,165,587	31,421,579	0	2,256,896
12	Nov 8, 2021 12:21	6,988	90,018,926	31,447,658	0	2,269,184
13	Nov 9, 2021 12:32	6,998	98,978,375	31,489,612	0	2,265,088
14	Nov 8, 2021 12:20	7,028	129,072,829	31,623,960	0	2,269,184
15	Nov 8, 2021 12:21	7,030	86,919,400	31,633,344	0	2,265,088
16	Nov 9, 2021 12:32	14,165	251,713,450	31,871,000	31,871,000	29,622,272
17	Nov 8, 2021 12:14	14,249	250,674,090	31,026,000	33,094,000	29,646,848
18	Nov 8, 2021 12:21	14,255	248,359,817	31,548,000	32,600,000	29,622,272
19	Nov 8, 2021 12:21	14,264	251,175,514	29,546,000	34,641,000	29,577,216
20	Nov 8, 2021 12:21	14,276	250,673,577	29,649,000	34,591,000	29,741,056
21	Nov 8, 2021 12:21	14,278	249,584,934	32,653,000	31,600,000	29,646,848
22	Nov 8, 2021 12:21	14,292	256,316,599	34,454,000	29,860,000	29,655,040
23	Nov 8, 2021 12:21	14,300	259,167,416	31,648,000	32,703,000	29,626,368
24	Nov 8, 2021 12:20	14,307	251,203,841	35,641,000	28,742,000	29,618,176
25	Nov 9, 2021 12:32	14,320	251,885,627	31,214,000	33,228,000	29,679,616
26	Nov 8, 2021 12:21	14,330	253,795,457	26,716,000	37,771,000	29,646,848
27	Nov 9, 2021 12:32	14,335	250,409,125	33,367,000	31,142,000	29,532,160
28	Nov 8, 2021 12:14	14,349	249,698,997	31,277,000	33,295,000	29,614,080
29	Nov 8, 2021 12:21	14,350	248,667,673	29,803,000	34,770,000	29,540,352
30	Nov 8, 2021 12:21	14,350	252,365,398	31,245,000	33,328,000	29,618,176
31	Nov 8, 2021 12:21	14,350	252,760,546	28,914,000	35,660,000	29,736,960
32	Nov 8, 2021 12:14	14,375	250,460,123	29,777,000	34,911,000	29,540,352
33	Nov 8, 2021 12:14	14,377	246,167,013	27,590,000	37,105,000	29,749,248
34	Nov 8, 2021 12:14	14,391	255,230,848	28,892,000	35,866,000	29,556,736
35	Nov 8, 2021 12:14	14,399	256,251,683	33,478,000	31,318,000	29,536,256
36	Nov 8, 2021 12:20	14,403	255,888,540	34,174,000	30,639,000	29,544,448
37	Nov 8, 2021 12:21	14,409	252,725,389	35,263,000	29,576,000	29,618,176
38	Nov 9, 2021 12:32	14,439	249,556,119	29,534,000	35,441,000	29,511,680
39	Nov 8, 2021 12:20	14,440	253,754,111	31,957,000	33,022,000	29,712,384
40	Nov 8, 2021 12:21	14,446	258,667,961	34,826,000	30,182,000	29,540,352
41	Nov 9, 2021 12:32	14,446	249,977,841	30,955,000	34,051,000	29,724,672
42	Nov 8, 2021 12:21	14,449	250,396,758	34,164,000	30,858,000	29,618,176
43	Nov 8, 2021 12:20	14,454	256,299,987	31,970,000	33,073,000	29,712,384
44	Nov 9, 2021 12:32	14,455	255,936,691	29,567,000	35,481,000	29,585,408
45	Nov 9, 2021 12:32	14,460	251,538,816	33,657,000	31,413,000	29,618,176
46	Nov 8, 2021 12:21	14,476	255,871,867	31,554,000	33,589,000	29,646,848
47	Nov 8, 2021 12:14	14,478	250,025,618	32,575,000	32,575,000	29,536,256
48	Nov 8, 2021 12:20	14,481	258,986,891	30,075,000	35,088,000	29,581,312
49	Nov 8, 2021 12:21	14,488	249,170,002	27,941,000	37,255,000	29,483,008
50	Nov 8, 2021 12:14	14,500	251,797,966	33,177,000	32,071,000	29,716,480
51	Nov 9, 2021 12:32	14,510	251,768,651	30,056,000	35,238,000	29,540,352
52	Nov 8, 2021 12:21	14,524	254,491,645	32,678,000	32,678,000	29,478,912
53	Nov 8, 2021 12:14	14,579	255,992,034	35,680,000	29,925,000	29,618,176
54	Nov 9, 2021 12:32	14,623	255,913,049	28,730,000	37,072,000	29,650,944
55	Nov 8, 2021 12:20	14,637	256,515,430	31,314,000	34,553,000	29,536,256
56	Nov 8, 2021 12:20	14,654	259,366,693	34,593,000	31,350,000	29,548,544
57	Nov 8, 2021 12:21	14,667	260,130,412	31,378,000	34,624,000	29,745,152
58	Nov 8, 2021 12:20	14,689	252,758,381	29,697,000	36,402,000	29,585,408
59	Nov 8, 2021 12:21	14,705	259,234,846	32,019,000	34,154,000	29,585,408
60	Nov 8, 2021 12:20	14,752	255,745,963	31,559,000	34,824,000	29,614,080

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