Parse integers

Compute the sum of integers read from STDIN as fast as possible.

Input: 50 000 000 lines, each containing one integer in the range [0; 2147483647].

Output: The uint64 sum of all numbers, printed as a decimal string.

Note: Integer overflow is expected – use a 64-bit accumulator.

Restrictions:30s512Mb 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 2, 2023 08:31

Robert Burke

Score: 7,668

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Oct 2, 2023 08:31	7,655	86,036,325	63,540,000	0	2,277,376
2	Oct 2, 2023 08:31	7,657	94,214,213	62,541,000	1,008,000	2,428,928
3	Oct 2, 2023 08:31	7,658	87,252,120	62,550,000	1,008,000	2,510,848
4	Oct 2, 2023 08:31	7,658	94,637,510	63,561,000	0	2,433,024
5	Oct 2, 2023 08:31	7,658	89,731,827	63,563,000	0	2,539,520
6	Oct 2, 2023 08:31	7,658	90,327,693	62,555,000	1,008,000	2,277,376
7	Oct 2, 2023 08:31	7,660	88,619,206	63,576,000	0	2,420,736
8	Oct 2, 2023 08:31	7,661	93,120,296	63,584,000	0	2,277,376
9	Oct 2, 2023 08:31	7,662	88,934,115	63,591,000	0	2,519,040
10	Oct 2, 2023 08:31	7,663	92,171,090	62,596,000	1,009,000	2,437,120
11	Oct 2, 2023 08:31	7,663	93,222,395	63,601,000	0	2,273,280
12	Oct 2, 2023 08:31	7,664	94,196,688	63,614,000	0	2,539,520
13	Oct 2, 2023 08:31	7,665	87,976,219	62,608,000	1,009,000	2,437,120
14	Oct 2, 2023 08:31	7,667	91,745,832	62,624,000	1,010,000	2,539,520
15	Oct 2, 2023 08:31	7,668	93,036,042	63,641,000	0	2,437,120
16	Oct 2, 2023 08:31	7,668	88,806,979	62,637,000	1,010,000	2,510,848
17	Oct 2, 2023 08:31	7,669	89,829,685	63,653,000	0	2,539,520
18	Oct 2, 2023 08:31	7,675	89,150,158	61,711,000	1,990,000	2,277,376
19	Oct 2, 2023 08:31	7,676	88,652,290	63,711,000	0	2,433,024
20	Oct 2, 2023 08:31	7,687	96,335,441	62,806,000	996,000	2,539,520
21	Oct 2, 2023 08:31	7,692	91,142,070	62,845,000	997,000	2,277,376
22	Oct 2, 2023 08:31	7,692	87,161,566	62,847,000	997,000	2,433,024
23	Oct 2, 2023 08:31	7,697	85,250,458	61,887,000	1,996,000	2,510,848
24	Oct 2, 2023 08:31	7,714	85,646,765	63,024,000	1,000,000	2,424,832
25	Oct 2, 2023 08:31	8,129	123,726,780	67,470,672	0	2,297,856
26	Oct 2, 2023 08:31	8,132	123,522,179	67,497,606	0	2,174,976
27	Oct 2, 2023 08:31	8,135	124,417,976	67,518,511	0	2,174,976
28	Oct 2, 2023 08:31	8,136	136,768,387	67,525,548	0	2,174,976
29	Oct 2, 2023 08:31	8,138	129,120,530	67,549,415	0	2,293,760
30	Oct 2, 2023 08:31	8,140	144,264,851	67,562,025	0	2,174,976

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