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 12, 2023 21:49

Victor MuñozScore: 10,891Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 12, 2023 21:54	3,444	63,207,728	15,497,538	0	2,244,608
2	Jun 12, 2023 21:49	3,444	103,245,275	15,499,646	0	2,248,704
3	Jun 12, 2023 21:49	3,453	80,444,290	15,539,279	0	2,256,896
4	Jun 12, 2023 21:54	3,453	76,196,907	15,539,462	0	2,252,800
5	Jun 12, 2023 21:52	3,457	63,021,825	15,555,726	0	2,256,896
6	Jun 12, 2023 21:52	3,465	87,692,584	15,592,691	0	2,256,896
7	Jun 12, 2023 21:52	3,466	97,199,965	15,594,906	0	2,252,800
8	Jun 12, 2023 21:49	3,470	88,748,273	15,614,622	0	2,248,704
9	Jun 12, 2023 21:54	3,475	98,798,314	15,635,619	0	2,252,800
10	Jun 12, 2023 21:52	10,718	239,476,315	12,985,000	35,247,000	29,675,520
11	Jun 12, 2023 21:49	10,722	236,368,351	18,828,000	29,419,000	29,663,232
12	Jun 12, 2023 21:49	10,724	245,849,372	15,355,000	32,903,000	29,540,352
13	Jun 12, 2023 21:52	10,775	244,052,417	16,530,000	31,958,000	29,609,984
14	Jun 12, 2023 21:52	10,782	238,594,976	15,485,000	33,036,000	29,675,520
15	Jun 12, 2023 21:54	10,832	239,808,384	17,409,000	31,336,000	29,675,520
16	Jun 12, 2023 21:52	10,848	237,050,623	15,254,000	33,560,000	29,609,984
17	Jun 12, 2023 21:52	10,873	249,913,961	18,818,000	30,109,000	29,663,232
18	Jun 12, 2023 21:54	10,880	234,198,304	14,583,000	34,375,000	29,650,944
19	Jun 12, 2023 21:54	10,891	237,824,759	15,375,000	33,633,000	29,540,352
20	Jun 12, 2023 21:54	10,902	235,031,544	15,094,000	33,963,000	29,708,288
21	Jun 12, 2023 21:49	10,913	238,841,449	12,673,000	36,437,000	29,749,248
22	Jun 12, 2023 21:52	10,954	238,212,374	16,073,000	33,218,000	29,663,232
23	Jun 12, 2023 21:54	10,976	242,634,980	15,805,000	33,587,000	29,675,520
24	Jun 12, 2023 21:49	10,977	234,185,499	13,048,000	36,349,000	29,659,136
25	Jun 12, 2023 21:52	10,982	246,953,253	15,206,000	34,215,000	29,650,944
26	Jun 12, 2023 21:49	10,986	241,954,588	17,656,000	31,782,000	29,507,584
27	Jun 12, 2023 21:49	11,010	234,935,645	15,482,000	34,062,000	29,605,888
28	Jun 12, 2023 21:54	11,011	243,821,155	15,856,000	33,694,000	29,544,448
29	Jun 12, 2023 21:49	11,024	241,742,615	14,173,000	35,434,000	29,659,136
30	Jun 12, 2023 21:54	11,034	236,466,575	16,550,000	33,101,000	29,544,448
31	Jun 12, 2023 21:54	11,042	239,114,979	19,614,000	30,075,000	29,638,656
32	Jun 12, 2023 21:49	11,050	239,909,989	15,822,000	33,905,000	29,741,056
33	Jun 12, 2023 21:49	11,110	239,121,219	16,665,000	33,330,000	29,663,232
34	Jun 12, 2023 21:52	11,127	247,643,466	17,974,000	32,097,000	29,671,424
35	Jun 12, 2023 21:54	11,180	244,599,893	13,720,000	36,589,000	29,655,040
36	Jun 12, 2023 21:52	11,321	245,562,726	20,653,000	30,291,000	29,655,040

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