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 listOct 16, 2021 07:57

Ilya AniskovetsScore: 14,686Success

Source Code

Source code access is restricted. Log in to request access.

Challenge History

No challenges yet.

Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Oct 16, 2021 07:57	7,220	105,502,835	32,491,895	0	2,260,992
2	Oct 16, 2021 08:01	7,227	103,383,091	32,522,266	0	2,277,376
3	Oct 16, 2021 07:57	7,238	94,310,050	32,568,814	0	2,273,280
4	Oct 16, 2021 07:57	7,242	96,181,458	32,588,063	0	2,273,280
5	Oct 16, 2021 08:01	7,257	89,810,274	32,656,077	0	2,269,184
6	Oct 16, 2021 07:57	7,284	84,927,291	32,777,724	0	2,269,184
7	Oct 16, 2021 07:57	7,321	86,932,360	32,946,168	0	2,273,280
8	Oct 16, 2021 07:57	7,340	98,942,702	33,031,613	0	2,281,472
9	Oct 16, 2021 08:01	7,363	96,431,485	33,134,230	0	2,273,280
10	Oct 16, 2021 08:01	14,530	254,731,310	31,183,000	34,201,000	29,593,600
11	Oct 16, 2021 08:01	14,560	250,025,580	32,761,000	32,761,000	29,761,536
12	Oct 16, 2021 07:57	14,602	258,931,350	31,828,000	33,881,000	29,700,096
13	Oct 16, 2021 07:57	14,625	258,075,272	32,385,000	33,429,000	29,536,256
14	Oct 16, 2021 07:57	14,630	257,862,501	30,012,000	35,821,000	29,630,464
15	Oct 16, 2021 07:57	14,636	257,040,341	30,474,000	35,389,000	29,724,672
16	Oct 16, 2021 08:01	14,651	251,389,682	30,505,000	35,426,000	29,630,464
17	Oct 16, 2021 08:01	14,662	251,431,525	31,958,000	34,020,000	29,495,296
18	Oct 16, 2021 08:01	14,664	250,572,485	32,486,000	33,502,000	29,552,640
19	Oct 16, 2021 07:57	14,686	252,860,017	29,692,000	36,397,000	29,536,256
20	Oct 16, 2021 07:57	14,686	254,314,777	31,041,000	35,046,000	29,548,544
21	Oct 16, 2021 07:57	14,692	264,729,738	35,336,000	30,777,000	29,614,080
22	Oct 16, 2021 07:57	14,699	256,562,291	29,618,000	36,528,000	29,556,736
23	Oct 16, 2021 08:01	14,720	255,524,197	36,026,000	30,215,000	29,564,928
24	Oct 16, 2021 07:57	14,720	255,527,004	32,610,000	33,629,000	29,659,136
25	Oct 16, 2021 07:57	14,725	255,895,068	34,761,000	31,502,000	29,503,488
26	Oct 16, 2021 07:57	14,743	253,133,779	30,621,000	35,724,000	29,560,832
27	Oct 16, 2021 08:01	14,746	250,301,022	29,386,000	36,969,000	29,548,544
28	Oct 16, 2021 07:57	14,752	250,254,614	34,299,000	32,086,000	29,630,464
29	Oct 16, 2021 08:01	14,753	251,531,254	33,739,000	32,650,000	29,548,544
30	Oct 16, 2021 08:01	14,792	255,332,065	30,798,000	35,765,000	29,728,768
31	Oct 16, 2021 07:57	14,836	255,808,884	31,030,000	35,731,000	29,630,464
32	Oct 16, 2021 07:57	14,849	255,250,978	34,524,000	32,297,000	29,630,464
33	Oct 16, 2021 07:57	14,924	257,040,367	30,070,000	37,087,000	29,532,160
34	Oct 16, 2021 07:57	14,957	256,829,298	35,364,000	31,942,000	29,634,560
35	Oct 16, 2021 07:57	15,039	261,423,019	36,807,000	30,870,000	29,634,560
36	Oct 16, 2021 07:57	15,537	261,728,618	36,677,000	33,239,000	29,519,872

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