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 listNov 6, 2023 10:24

Robert Burke

Score: 7,568

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Nov 6, 2023 10:24	7,524	83,628,967	62,447,000	0	2,424,832
2	Oct 2, 2023 08:30	7,529	86,082,569	61,486,000	1,007,000	2,277,376
3	Oct 2, 2023 08:31	7,536	86,669,423	61,539,000	1,008,000	2,277,376
4	Oct 2, 2023 08:30	7,542	96,018,456	61,586,000	1,009,000	2,433,024
5	Oct 2, 2023 08:30	7,546	87,786,695	61,619,000	1,010,000	2,441,216
6	Oct 2, 2023 08:31	7,548	89,999,678	61,638,000	1,010,000	2,277,376
7	Oct 2, 2023 08:31	7,549	87,704,680	62,657,000	0	2,277,376
8	Oct 2, 2023 08:30	7,551	95,204,157	62,675,000	0	2,277,376
9	Oct 2, 2023 08:31	7,551	88,999,680	61,663,000	1,010,000	2,277,376
10	Oct 2, 2023 08:31	7,565	89,002,607	62,793,000	0	2,273,280
11	Oct 2, 2023 08:30	7,565	84,743,968	60,797,000	1,993,000	2,510,848
12	Nov 6, 2023 10:24	7,566	95,571,493	62,798,000	0	2,277,376
13	Oct 2, 2023 08:30	7,566	90,816,651	62,801,000	0	2,277,376
14	Nov 6, 2023 10:24	7,567	94,141,112	61,811,000	996,000	2,277,376
15	Nov 6, 2023 10:24	7,567	84,618,370	61,812,000	996,000	2,277,376
16	Oct 2, 2023 08:30	7,567	87,832,878	61,811,000	996,000	2,539,520
17	Oct 2, 2023 08:30	7,567	89,315,252	62,810,000	0	2,428,928
18	Oct 2, 2023 08:30	7,568	84,937,024	61,816,000	997,000	2,510,848
19	Oct 2, 2023 08:31	7,568	87,639,678	61,819,000	997,000	2,273,280
20	Oct 2, 2023 08:31	7,568	93,379,595	60,817,000	1,994,000	2,428,928
21	Oct 2, 2023 08:30	7,568	91,677,939	61,815,000	997,000	2,539,520
22	Nov 6, 2023 10:24	7,568	86,188,515	60,820,000	1,994,000	2,428,928
23	Nov 6, 2023 10:24	7,568	92,429,151	61,820,000	997,000	2,277,376
24	Nov 6, 2023 10:24	7,568	92,679,191	61,814,000	997,000	2,433,024
25	Oct 2, 2023 08:30	7,569	95,605,868	61,825,000	997,000	2,277,376
26	Oct 2, 2023 08:31	7,569	85,118,675	60,829,000	1,994,000	2,277,376
27	Oct 2, 2023 08:31	7,570	89,851,887	61,836,000	997,000	2,277,376
28	Oct 2, 2023 08:31	7,571	88,153,308	61,842,000	997,000	2,428,928
29	Nov 6, 2023 10:24	7,571	85,533,763	61,845,000	997,000	2,428,928
30	Oct 2, 2023 08:31	7,573	92,225,075	60,861,000	1,995,000	2,277,376
31	Oct 2, 2023 08:31	7,573	86,000,383	61,859,000	997,000	2,277,376
32	Nov 6, 2023 10:24	7,574	92,752,794	62,864,000	0	2,437,120
33	Nov 6, 2023 10:24	7,589	90,285,470	61,992,000	999,000	2,428,928
34	Nov 6, 2023 10:24	7,611	84,010,352	62,173,000	1,002,000	2,273,280
35	Oct 2, 2023 08:30	7,623	85,794,022	62,263,000	1,004,000	2,539,520
36	Nov 6, 2023 10:24	7,630	90,825,049	63,332,000	0	2,510,848
37	Oct 2, 2023 08:30	7,854	118,593,930	65,191,580	0	2,174,976
38	Oct 2, 2023 08:30	7,857	122,001,289	65,216,922	0	2,174,976
39	Nov 6, 2023 10:24	7,859	120,787,616	65,228,575	0	2,179,072
40	Oct 2, 2023 08:30	7,861	123,562,686	65,246,480	0	2,289,664
41	Nov 6, 2023 10:24	7,862	117,558,934	65,257,029	0	2,297,856
42	Oct 2, 2023 08:31	7,871	126,105,827	65,331,529	0	2,293,760
43	Oct 2, 2023 08:31	7,872	144,904,549	65,333,900	0	2,297,856
44	Oct 2, 2023 08:31	7,889	129,927,773	65,478,144	0	2,301,952
45	Nov 6, 2023 10:24	7,910	123,877,532	65,655,237	0	2,174,976

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