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 listDec 10, 2024 05:53

Yuriy LyfenkoScore: 10,355Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Dec 10, 2024 05:51	10,002	845,148,911	12,859,000	32,149,000	29,470,720
2	Dec 10, 2024 05:51	10,034	832,782,846	12,041,000	33,112,000	29,745,152
3	Dec 10, 2024 05:39	10,047	833,990,838	15,071,000	30,142,000	29,745,152
4	Dec 10, 2024 05:52	10,102	839,493,581	11,364,000	34,094,000	29,458,432
5	Dec 10, 2024 05:52	10,104	829,937,784	11,861,000	33,607,000	29,491,200
6	Dec 10, 2024 05:52	10,109	836,618,467	11,595,000	33,894,000	29,741,056
7	Dec 10, 2024 05:39	10,118	830,706,210	12,331,000	33,199,000	29,483,008
8	Dec 10, 2024 05:39	10,119	830,772,820	12,143,000	33,394,000	29,704,192
9	Dec 10, 2024 05:53	10,137	835,314,360	13,685,000	31,932,000	29,753,344
10	Dec 10, 2024 05:52	10,193	846,260,158	14,270,000	31,599,000	29,663,232
11	Dec 10, 2024 05:39	10,217	835,930,795	14,578,000	31,400,000	29,671,424
12	Dec 10, 2024 05:39	10,220	837,916,116	12,264,000	33,727,000	29,634,560
13	Dec 10, 2024 05:39	10,236	834,041,157	13,926,000	32,137,000	29,745,152
14	Dec 10, 2024 05:52	10,319	833,357,802	15,886,000	30,551,000	29,573,120
15	Dec 10, 2024 05:52	10,319	835,468,860	13,931,000	32,506,000	29,667,328
16	Dec 10, 2024 05:39	10,355	838,404,299	13,461,000	33,135,000	29,671,424
17	Dec 10, 2024 05:53	10,357	842,050,770	12,365,000	34,242,000	29,704,192
18	Dec 10, 2024 05:53	10,370	841,473,025	14,203,000	32,464,000	29,470,720
19	Dec 10, 2024 05:51	10,395	839,777,512	14,479,000	32,300,000	29,761,536
20	Dec 10, 2024 05:53	10,402	834,212,101	14,489,000	32,322,000	29,712,384
21	Dec 10, 2024 05:52	10,403	835,119,653	13,831,000	32,983,000	29,732,864
22	Dec 10, 2024 05:53	10,413	838,938,642	13,844,000	33,013,000	29,663,232
23	Dec 10, 2024 05:53	10,416	833,223,721	13,080,000	33,791,000	29,700,096
24	Dec 10, 2024 05:52	10,428	844,247,096	14,078,000	32,850,000	29,495,296
25	Dec 10, 2024 05:39	10,434	833,394,820	13,873,000	33,082,000	29,474,816
26	Dec 10, 2024 05:53	10,435	837,267,997	10,836,000	36,122,000	29,732,864
27	Dec 10, 2024 05:52	10,527	840,580,756	15,020,000	32,350,000	29,577,216
28	Dec 10, 2024 05:39	10,528	841,858,654	13,866,000	33,510,000	29,470,720
29	Dec 10, 2024 05:53	10,635	841,621,277	10,835,000	37,021,000	29,487,104
30	Dec 10, 2024 05:53	10,652	837,256,775	15,579,000	32,356,000	29,519,872

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