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 11, 2023 22:00

Victor MuñozScore: 11,614Success

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Challenge History

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 11, 2023 21:59	3,977	88,255,991	17,895,863	0	2,269,184
2	Jun 11, 2023 21:59	3,985	55,466,778	17,931,041	0	2,269,184
3	Jun 11, 2023 23:46	3,992	83,198,306	17,962,110	0	2,269,184
4	Jun 11, 2023 23:46	4,004	63,882,438	18,017,185	0	2,265,088
5	Jun 11, 2023 23:46	4,009	93,719,240	18,038,313	0	2,265,088
6	Jun 11, 2023 21:59	4,011	84,859,668	18,050,306	0	2,260,992
7	Jun 11, 2023 22:00	4,021	62,738,129	18,094,239	0	2,260,992
8	Jun 11, 2023 22:00	4,022	86,567,851	18,097,230	0	2,269,184
9	Jun 11, 2023 22:00	4,043	89,189,826	18,195,557	0	2,265,088
10	Jun 11, 2023 21:58	4,244	64,904,381	19,098,210	0	2,252,800
11	Jun 11, 2023 21:58	4,251	87,817,188	19,130,769	0	2,265,088
12	Jun 11, 2023 21:58	4,268	88,557,554	19,204,053	0	2,265,088
13	Jun 11, 2023 21:59	11,471	241,039,323	18,219,000	33,401,000	29,663,232
14	Jun 11, 2023 21:59	11,483	235,529,544	16,609,000	35,064,000	29,634,560
15	Jun 11, 2023 23:46	11,486	234,434,939	21,144,000	30,542,000	29,728,768
16	Jun 11, 2023 23:46	11,494	241,060,043	16,282,000	35,439,000	29,757,440
17	Jun 11, 2023 22:00	11,509	237,560,165	17,263,000	34,527,000	29,634,560
18	Jun 11, 2023 21:58	11,541	239,292,959	18,393,000	33,540,000	29,663,232
19	Jun 11, 2023 21:59	11,594	241,761,884	16,770,000	35,403,000	29,552,640
20	Jun 11, 2023 21:58	11,594	236,084,995	21,343,000	30,828,000	29,663,232
21	Jun 11, 2023 21:59	11,595	241,185,900	19,282,000	32,894,000	29,630,464
22	Jun 11, 2023 23:46	11,598	242,583,358	19,173,000	33,020,000	29,597,696
23	Jun 11, 2023 21:58	11,604	246,981,150	18,494,000	33,725,000	29,458,432
24	Jun 11, 2023 21:58	11,613	241,125,696	20,903,000	31,355,000	29,630,464
25	Jun 11, 2023 22:00	11,614	234,731,120	17,420,000	34,841,000	29,663,232
26	Jun 11, 2023 21:59	11,616	240,524,580	20,269,000	32,004,000	29,663,232
27	Jun 11, 2023 23:46	11,616	238,747,282	20,908,000	31,363,000	29,634,560
28	Jun 11, 2023 22:00	11,627	243,089,661	21,901,000	30,419,000	29,548,544
29	Jun 11, 2023 21:58	11,636	240,581,137	20,231,000	32,133,000	29,593,600
30	Jun 11, 2023 22:00	11,652	246,921,458	17,142,000	35,292,000	29,548,544
31	Jun 11, 2023 23:46	11,657	240,283,572	15,645,000	36,813,000	29,548,544
32	Jun 11, 2023 21:58	11,666	237,744,848	15,937,000	36,561,000	29,499,392
33	Jun 11, 2023 23:46	11,694	242,512,444	16,265,000	36,358,000	29,630,464
34	Jun 11, 2023 22:00	11,699	250,614,636	18,224,000	34,423,000	29,642,752
35	Jun 11, 2023 22:00	11,712	239,122,160	18,244,000	34,461,000	29,626,368
36	Jun 11, 2023 21:58	11,735	243,831,766	15,926,000	36,883,000	29,634,560
37	Jun 11, 2023 21:59	11,748	240,935,534	19,824,000	33,041,000	29,593,600
38	Jun 11, 2023 21:59	11,755	239,072,180	21,411,000	31,487,000	29,630,464
39	Jun 11, 2023 21:59	11,757	237,585,845	19,840,000	33,068,000	29,540,352
40	Jun 11, 2023 23:46	11,769	240,168,098	16,077,000	36,883,000	29,548,544
41	Jun 11, 2023 23:46	11,778	240,231,245	19,470,000	33,531,000	29,540,352
42	Jun 11, 2023 22:00	11,780	239,184,298	19,879,000	33,133,000	29,499,392
43	Jun 11, 2023 21:58	11,796	250,200,350	17,026,000	36,055,000	29,544,448
44	Jun 11, 2023 22:00	11,806	240,645,713	20,070,000	33,057,000	29,540,352
45	Jun 11, 2023 23:46	11,823	249,289,108	18,089,000	35,115,000	29,601,792
46	Jun 11, 2023 22:00	11,832	246,362,679	19,967,000	33,278,000	29,614,080
47	Jun 11, 2023 21:58	11,850	244,872,639	20,144,000	33,179,000	29,630,464
48	Jun 11, 2023 21:59	11,970	243,751,424	22,547,000	31,316,000	29,544,448

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