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 9, 2021 12:25

Andrey TsvetkovScore: 181,011Success

Source Code

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Challenge History

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Run Statistics

#	Date	Score	Wall Time	CPU User	Memory
1	Oct 9, 2021 12:20	52,006	305,323,139	234,024,957	2,228,224
2	Oct 9, 2021 12:20	52,021	294,408,116	234,092,254	2,220,032
3	Oct 9, 2021 12:20	52,050	291,407,970	234,225,355	2,220,032
4	Oct 9, 2021 19:20	90,750	478,173,104	408,375,261	2,297,856
5	Oct 9, 2021 19:20	90,760	470,368,116	408,421,188	2,285,568
6	Oct 9, 2021 19:20	90,903	494,877,026	409,062,663	2,301,952
7	Oct 9, 2021 12:25	180,621	879,832,184	812,792,390	2,269,184
8	Oct 9, 2021 19:24	180,677	877,347,107	813,045,497	2,183,168
9	Oct 9, 2021 19:42	180,704	884,370,468	813,167,300	2,265,088
10	Oct 9, 2021 19:20	180,728	890,984,820	813,275,925	2,248,704
11	Oct 9, 2021 19:42	180,745	873,526,763	813,350,575	2,260,992
12	Oct 9, 2021 19:20	180,749	882,619,730	813,369,791	2,265,088
13	Oct 9, 2021 19:42	180,764	878,094,166	813,435,956	2,248,704
14	Oct 9, 2021 19:24	180,766	877,671,827	813,445,036	2,260,992
15	Oct 9, 2021 12:24	180,790	882,310,493	813,555,105	2,314,240
16	Oct 9, 2021 12:24	180,855	881,620,963	813,849,741	2,285,568
17	Oct 9, 2021 12:25	180,862	874,323,262	813,877,638	2,269,184
18	Oct 9, 2021 19:24	180,872	878,689,479	813,923,213	2,281,472
19	Oct 9, 2021 19:24	180,889	879,993,560	813,999,594	2,252,800
20	Oct 9, 2021 12:20	180,891	879,283,772	814,007,360	2,260,992
21	Oct 9, 2021 19:24	180,946	874,544,253	814,258,120	2,195,456
22	Oct 9, 2021 12:25	180,953	870,378,515	814,286,423	2,293,760
23	Oct 9, 2021 19:20	180,971	890,229,674	814,369,559	2,269,184
24	Oct 9, 2021 12:24	180,983	865,436,692	814,424,043	2,277,376
25	Oct 9, 2021 19:24	181,011	881,639,399	814,550,905	2,289,664
26	Oct 9, 2021 12:20	181,011	879,168,536	814,547,718	2,187,264
27	Oct 9, 2021 12:20	181,120	879,830,818	815,040,043	2,187,264
28	Oct 9, 2021 12:24	256,518	1,214,589,708	1,154,330,730	2,244,608
29	Oct 9, 2021 12:25	256,573	1,235,249,311	1,154,576,842	2,260,992
30	Oct 9, 2021 12:25	256,708	1,223,108,211	1,155,183,861	2,224,128
31	Oct 9, 2021 12:24	256,711	1,230,633,826	1,155,201,440	2,256,896
32	Oct 9, 2021 12:25	256,944	1,224,603,123	1,156,247,995	2,240,512
33	Oct 9, 2021 12:24	256,945	1,216,945,386	1,156,251,216	2,224,128
34	Oct 9, 2021 19:24	450,284	2,085,996,102	2,026,279,429	2,285,568
35	Oct 9, 2021 19:24	450,389	2,093,513,339	2,026,749,211	2,301,952
36	Oct 9, 2021 19:42	450,413	2,098,752,136	2,026,857,147	2,310,144
37	Oct 9, 2021 19:42	450,506	2,090,404,605	2,027,277,998	2,310,144
38	Oct 9, 2021 12:24	450,713	2,096,337,912	2,028,210,400	2,301,952
39	Oct 9, 2021 19:20	450,894	2,091,538,316	2,029,022,304	2,199,552
40	Oct 9, 2021 19:24	450,923	2,088,065,183	2,029,154,769	2,281,472
41	Oct 9, 2021 12:24	450,935	2,088,956,232	2,029,206,398	2,301,952
42	Oct 9, 2021 19:20	450,968	2,092,363,112	2,029,356,678	2,310,144
43	Oct 9, 2021 12:25	451,089	2,091,173,602	2,029,899,344	2,297,856
44	Oct 9, 2021 12:20	451,228	2,096,976,647	2,030,524,256	2,297,856
45	Oct 9, 2021 12:20	451,274	2,115,434,177	2,030,731,758	2,285,568
46	Oct 9, 2021 12:25	451,366	2,089,440,274	2,031,148,312	2,183,168
47	Oct 9, 2021 19:20	451,388	2,090,903,246	2,031,245,390	2,314,240
48	Oct 9, 2021 19:42	451,438	2,102,807,643	2,031,471,526	2,269,184
49	Oct 9, 2021 12:20	451,548	2,096,423,538	2,031,968,027	2,248,704
50	Oct 9, 2021 12:25	451,735	2,087,479,125	2,032,809,078	2,211,840
51	Oct 9, 2021 12:24	451,870	2,104,156,024	2,033,414,268	2,289,664

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