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 listMay 8, 2023 06:17

Yuriy LyfenkoScore: 12,211Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 8, 2023 03:18	5,066	86,772,928	22,798,398	0	2,244,608
2	May 8, 2023 03:18	5,075	91,668,736	22,836,950	0	2,248,704
3	May 8, 2023 06:17	5,077	94,105,230	22,844,560	0	2,248,704
4	May 8, 2023 06:17	5,079	95,052,617	22,856,095	0	2,248,704
5	May 8, 2023 06:17	5,080	97,248,734	22,858,360	0	2,240,512
6	May 8, 2023 03:18	5,084	86,322,708	22,878,126	0	2,248,704
7	May 8, 2023 03:08	5,091	70,163,850	22,910,053	0	2,252,800
8	May 8, 2023 03:08	5,118	82,559,186	23,032,631	0	2,248,704
9	May 8, 2023 03:08	5,169	88,230,550	23,261,573	0	2,248,704
10	May 8, 2023 03:08	12,001	241,211,249	20,002,000	34,003,000	29,679,616
11	May 8, 2023 03:18	12,049	242,589,313	23,575,000	30,647,000	29,659,136
12	May 8, 2023 06:17	12,059	239,816,019	20,944,000	33,321,000	29,708,288
13	May 8, 2023 03:18	12,072	242,488,985	22,983,000	31,341,000	29,708,288
14	May 8, 2023 03:08	12,090	242,917,778	23,802,000	30,603,000	29,495,296
15	May 8, 2023 06:17	12,090	241,322,875	22,402,000	32,004,000	29,708,288
16	May 8, 2023 03:08	12,105	243,541,719	22,192,000	32,279,000	29,675,520
17	May 8, 2023 03:18	12,155	251,381,532	17,947,000	36,750,000	29,675,520
18	May 8, 2023 03:18	12,195	240,747,192	20,692,000	34,187,000	29,708,288
19	May 8, 2023 03:18	12,211	252,712,924	24,178,000	30,772,000	29,646,848
20	May 8, 2023 03:08	12,216	249,744,965	20,615,000	34,359,000	29,675,520
21	May 8, 2023 03:18	12,217	248,037,381	20,255,000	34,723,000	29,593,600
22	May 8, 2023 06:17	12,227	239,499,632	23,580,000	31,440,000	29,712,384
23	May 8, 2023 03:08	12,232	253,813,865	20,642,000	34,403,000	29,732,864
24	May 8, 2023 06:17	12,236	245,629,357	22,432,000	32,629,000	29,675,520
25	May 8, 2023 03:08	12,240	238,132,655	19,234,000	35,846,000	29,741,056
26	May 8, 2023 03:08	12,250	242,223,042	21,201,000	33,922,000	29,708,288
27	May 8, 2023 03:18	12,254	249,670,467	22,056,000	33,085,000	29,609,984
28	May 8, 2023 06:17	12,279	246,175,770	24,174,000	31,081,000	29,544,448
29	May 8, 2023 03:18	12,285	245,838,213	24,325,000	30,959,000	29,708,288
30	May 8, 2023 06:17	12,285	247,139,318	24,185,000	31,096,000	29,708,288
31	May 8, 2023 06:17	12,319	245,804,261	19,402,000	36,033,000	29,708,288
32	May 8, 2023 06:17	12,330	248,435,504	23,118,000	32,365,000	29,712,384
33	May 8, 2023 03:08	12,336	253,806,118	23,042,000	32,468,000	29,544,448
34	May 8, 2023 03:08	12,400	241,687,449	20,926,000	34,876,000	29,478,912
35	May 8, 2023 03:18	12,501	246,254,911	22,718,000	33,537,000	29,667,328
36	May 8, 2023 06:17	12,568	254,880,849	28,278,000	28,278,000	29,708,288

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