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.

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory	Error
1	Jun 14, 2023 02:31	0	0	0	0	0	Error: expected "4812358192369212 ", got "4812358191447612"	stderr
2	Jun 14, 2023 02:32	3,220	80,138,213	14,489,664	0	2,211,840
3	Jun 14, 2023 02:25	3,223	72,538,311	14,505,150	0	2,220,032
4	Jun 14, 2023 04:05	3,224	62,856,573	14,509,838	0	2,220,032
5	Jun 14, 2023 04:00	3,225	92,321,214	14,511,385	0	2,220,032
6	Jun 14, 2023 03:50	3,227	92,132,651	14,520,452	0	2,232,320
7	Jun 14, 2023 02:25	3,232	80,742,602	14,543,846	0	2,224,128
8	Jun 14, 2023 03:50	3,234	76,155,330	14,552,892	0	2,256,896
9	Jun 14, 2023 04:00	3,234	63,717,774	14,552,865	0	2,224,128
10	Jun 14, 2023 02:32	3,235	91,475,443	14,557,979	0	2,224,128
11	Jun 14, 2023 04:05	3,235	56,742,911	14,558,543	0	2,215,936
12	Jun 14, 2023 04:05	3,246	65,659,626	14,607,300	0	2,220,032
13	Jun 14, 2023 02:25	3,250	86,267,355	14,623,127	0	2,215,936
14	Jun 14, 2023 02:32	3,259	81,024,015	14,665,417	0	2,224,128
15	Jun 14, 2023 04:00	3,261	89,483,875	14,673,824	0	2,211,840
16	Jun 14, 2023 03:50	3,276	105,169,539	14,740,730	0	2,207,744
17	Jun 14, 2023 02:25	10,382	233,223,673	17,213,000	29,508,000	29,745,152
18	Jun 14, 2023 04:00	10,407	229,420,893	12,424,000	34,407,000	29,745,152
19	Jun 14, 2023 04:05	10,458	236,068,987	13,299,000	33,761,000	29,745,152
20	Jun 14, 2023 04:05	10,473	232,053,404	12,763,000	34,364,000	29,507,584
21	Jun 14, 2023 04:00	10,480	230,369,268	14,048,000	33,114,000	29,618,176
22	Jun 14, 2023 03:50	10,481	231,813,666	18,341,000	28,822,000	29,749,248
23	Jun 14, 2023 02:32	10,494	230,249,700	15,375,000	31,848,000	29,519,872
24	Jun 14, 2023 02:25	10,502	236,172,741	13,962,000	33,295,000	29,716,480
25	Jun 14, 2023 03:50	10,519	234,744,978	17,582,000	29,755,000	29,745,152
26	Jun 14, 2023 04:00	10,521	233,020,515	14,103,000	33,242,000	29,650,944
27	Jun 14, 2023 03:50	10,522	239,575,915	15,065,000	32,282,000	29,716,480
28	Jun 14, 2023 03:50	10,523	232,692,153	12,749,000	34,606,000	29,745,152
29	Jun 14, 2023 03:50	10,524	235,049,789	15,786,000	31,573,000	29,507,584
30	Jun 14, 2023 04:05	10,526	231,149,364	15,019,000	32,349,000	29,487,104
31	Jun 14, 2023 02:25	10,528	235,731,467	15,398,000	31,980,000	29,483,008
32	Jun 14, 2023 04:05	10,532	231,196,289	15,798,000	31,597,000	29,487,104
33	Jun 14, 2023 03:50	10,532	229,047,674	15,431,000	31,965,000	29,585,408
34	Jun 14, 2023 02:25	10,539	238,806,192	13,701,000	33,726,000	29,585,408
35	Jun 14, 2023 02:32	10,539	237,978,913	13,701,000	33,726,000	29,741,056
36	Jun 14, 2023 03:50	10,543	234,375,691	12,300,000	35,143,000	29,519,872
37	Jun 14, 2023 02:32	10,549	233,841,828	15,052,000	32,419,000	29,712,384
38	Jun 14, 2023 04:00	10,557	229,944,479	13,302,000	34,206,000	29,749,248
39	Jun 14, 2023 02:32	10,574	236,548,866	11,895,000	35,686,000	29,483,008
40	Jun 14, 2023 02:25	10,580	235,070,122	13,603,000	34,009,000	29,585,408
41	Jun 14, 2023 02:25	10,580	229,843,330	11,902,000	35,707,000	29,745,152
42	Jun 14, 2023 02:32	10,585	234,455,214	12,900,000	34,731,000	29,765,632
43	Jun 14, 2023 02:32	10,602	256,626,026	13,358,000	34,349,000	29,618,176
44	Jun 14, 2023 04:05	10,602	234,685,674	14,095,000	33,613,000	29,745,152
45	Jun 14, 2023 04:05	10,606	237,630,578	17,726,000	29,999,000	29,614,080
46	Jun 14, 2023 02:25	10,612	240,206,158	13,495,000	34,257,000	29,650,944
47	Jun 14, 2023 04:05	10,620	241,499,585	12,678,000	35,110,000	29,712,384
48	Jun 14, 2023 04:00	10,633	235,555,456	13,823,000	34,026,000	29,585,408
49	Jun 14, 2023 02:25	10,638	231,111,668	13,677,000	34,192,000	29,679,616
50	Jun 14, 2023 04:00	10,643	235,867,355	15,566,000	32,329,000	29,716,480
51	Jun 14, 2023 04:00	10,668	240,681,109	14,300,000	33,708,000	29,716,480
52	Jun 14, 2023 04:00	10,669	236,537,128	16,868,000	31,141,000	29,716,480
53	Jun 14, 2023 04:05	10,671	233,673,973	14,187,000	33,831,000	29,769,728
54	Jun 14, 2023 03:50	10,674	239,252,140	15,638,000	32,393,000	29,507,584
55	Jun 14, 2023 02:32	10,677	233,287,364	13,880,000	34,166,000	29,585,408
56	Jun 14, 2023 02:25	10,708	231,671,553	13,920,000	34,265,000	29,589,504
57	Jun 14, 2023 02:32	10,716	236,533,945	13,628,000	34,595,000	29,585,408
58	Jun 14, 2023 02:32	10,730	236,451,407	17,332,000	30,951,000	29,552,640
59	Jun 14, 2023 04:00	10,740	237,581,875	16,916,000	31,416,000	29,515,776
60	Jun 14, 2023 03:50	10,806	236,798,536	16,209,000	32,419,000	29,749,248
61	Jun 14, 2023 04:05	10,813	234,928,342	16,219,000	32,439,000	29,585,408

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