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 14, 2023 02:35

Victor MuñozScore: 10,635Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 14, 2023 02:35	3,276	87,368,512	14,741,940	0	2,224,128
2	Jun 14, 2023 02:34	3,281	85,732,114	14,765,296	0	2,224,128
3	Jun 14, 2023 02:35	3,283	85,959,841	14,774,494	0	2,224,128
4	Jun 14, 2023 02:34	3,284	81,595,627	14,775,919	0	2,207,744
5	Jun 14, 2023 04:03	3,290	88,605,482	14,805,824	0	2,215,936
6	Jun 14, 2023 04:03	3,291	80,581,446	14,807,638	0	2,215,936
7	Jun 14, 2023 04:03	3,291	101,161,181	14,809,725	0	2,215,936
8	Jun 14, 2023 02:34	3,296	61,317,620	14,834,201	0	2,224,128
9	Jun 14, 2023 02:35	3,303	76,121,169	14,862,662	0	2,224,128
10	Jun 14, 2023 02:35	10,526	229,834,250	15,789,000	31,579,000	29,483,008
11	Jun 14, 2023 02:35	10,555	231,725,210	13,721,000	33,776,000	29,511,680
12	Jun 14, 2023 02:34	10,558	235,618,959	13,857,000	33,654,000	29,585,408
13	Jun 14, 2023 02:34	10,559	232,574,627	14,461,000	33,055,000	29,712,384
14	Jun 14, 2023 04:03	10,597	238,982,592	14,836,000	32,851,000	29,487,104
15	Jun 14, 2023 02:34	10,597	233,556,967	13,190,000	34,498,000	29,687,808
16	Jun 14, 2023 04:03	10,610	231,417,411	15,192,000	32,554,000	29,749,248
17	Jun 14, 2023 04:03	10,616	238,692,656	14,230,000	33,543,000	29,487,104
18	Jun 14, 2023 04:03	10,628	242,710,184	13,949,000	33,878,000	29,519,872
19	Jun 14, 2023 02:35	10,635	234,779,308	13,673,000	34,184,000	29,511,680
20	Jun 14, 2023 02:34	10,640	234,611,140	14,896,000	32,985,000	29,544,448
21	Jun 14, 2023 02:34	10,647	237,709,572	14,272,000	33,641,000	29,716,480
22	Jun 14, 2023 04:03	10,662	234,701,920	13,708,000	34,272,000	29,503,488
23	Jun 14, 2023 04:03	10,670	236,495,526	15,633,000	32,382,000	29,540,352
24	Jun 14, 2023 04:03	10,690	231,301,040	12,471,000	35,632,000	29,716,480
25	Jun 14, 2023 02:35	10,690	236,846,212	15,687,000	32,420,000	29,745,152
26	Jun 14, 2023 02:34	10,691	234,633,571	18,204,000	29,907,000	29,618,176
27	Jun 14, 2023 02:35	10,694	236,475,894	14,334,000	33,788,000	29,515,776
28	Jun 14, 2023 02:35	10,698	236,137,339	15,317,000	32,823,000	29,515,776
29	Jun 14, 2023 02:34	10,715	235,550,514	14,577,000	33,639,000	29,749,248
30	Jun 14, 2023 02:34	10,734	237,056,728	14,388,000	33,916,000	29,483,008
31	Jun 14, 2023 04:03	10,754	234,536,937	13,029,000	35,365,000	29,491,200
32	Jun 14, 2023 02:34	10,803	234,995,852	19,445,000	29,168,000	29,585,408
33	Jun 14, 2023 02:35	10,840	236,617,202	15,176,000	33,606,000	29,716,480
34	Jun 14, 2023 02:35	10,859	236,183,148	14,555,000	34,309,000	29,745,152
35	Jun 14, 2023 02:35	10,920	236,713,750	13,490,000	35,652,000	29,511,680
36	Jun 14, 2023 04:03	11,214	241,421,537	20,778,000	29,683,000	29,585,408

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