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 listMay 4, 2021 22:32

Yuriy Lyfenko

Score: 23,746

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 4, 2021 22:32	23,521	222,841,687	195,223,000	0	2,383,872
2	May 4, 2021 22:32	23,524	218,739,770	193,249,000	2,002,000	2,392,064
3	May 4, 2021 22:32	23,532	218,896,465	194,313,000	1,001,000	2,260,992
4	May 4, 2021 22:32	23,533	221,388,854	195,323,000	0	2,260,992
5	May 4, 2021 22:32	23,534	217,260,253	193,333,000	2,003,000	2,260,992
6	May 4, 2021 22:32	23,536	222,450,745	195,348,000	0	2,265,088
7	May 4, 2021 22:32	23,546	219,523,462	194,431,000	1,002,000	2,392,064
8	May 4, 2021 22:32	23,547	222,467,609	193,444,000	1,994,000	2,392,064
9	May 4, 2021 22:32	23,552	224,251,929	194,478,000	1,002,000	2,265,088
10	May 4, 2021 22:32	23,559	224,343,727	195,538,000	0	2,392,064
11	May 4, 2021 22:32	23,563	227,317,490	193,582,000	1,995,000	2,260,992
12	May 4, 2021 22:32	23,583	231,348,043	194,739,000	998,000	2,392,064
13	May 4, 2021 22:32	23,587	221,867,478	194,776,000	998,000	2,396,160
14	May 4, 2021 22:32	23,717	222,141,811	195,856,000	999,000	2,260,992
15	May 4, 2021 22:32	23,722	219,419,059	194,898,000	1,998,000	2,404,352
16	May 4, 2021 22:32	23,730	232,439,520	194,963,000	1,999,000	2,260,992
17	May 4, 2021 22:32	23,738	219,897,712	196,026,000	1,000,000	2,506,752
18	May 4, 2021 22:32	23,743	226,994,957	195,064,000	2,000,000	2,260,992
19	May 4, 2021 22:32	23,746	223,879,437	195,091,000	2,000,000	2,387,968
20	May 4, 2021 22:32	23,750	226,565,399	195,121,000	2,001,000	2,396,160
21	May 4, 2021 22:32	23,751	226,963,428	194,135,000	3,002,000	2,260,992
22	May 4, 2021 22:32	23,752	222,907,647	196,138,000	1,000,000	2,260,992
23	May 4, 2021 22:32	23,754	220,993,850	196,162,000	1,000,000	2,387,968
24	May 4, 2021 22:32	23,755	224,792,584	195,165,000	2,001,000	2,392,064
25	May 4, 2021 22:32	23,755	222,188,166	193,166,000	4,003,000	2,260,992
26	May 4, 2021 22:32	23,755	223,164,397	197,166,000	0	2,260,992
27	May 4, 2021 22:32	23,759	223,292,790	196,196,000	1,001,000	2,387,968
28	May 4, 2021 22:32	23,761	231,705,070	197,213,000	0	2,260,992
29	May 4, 2021 22:32	23,762	219,637,334	196,227,000	1,001,000	2,383,872
30	May 4, 2021 22:32	23,765	224,578,164	195,245,000	2,002,000	2,400,256
31	May 4, 2021 22:32	23,769	220,043,843	196,284,000	1,001,000	2,260,992
32	May 4, 2021 22:32	23,771	222,568,951	196,295,000	1,001,000	2,387,968
33	May 4, 2021 22:32	23,775	219,596,082	195,331,000	2,003,000	2,260,992
34	May 4, 2021 22:32	23,776	219,144,828	196,343,000	1,001,000	2,387,968
35	May 4, 2021 22:32	23,780	223,654,573	196,376,000	1,001,000	2,260,992
36	May 4, 2021 22:32	23,785	217,010,401	196,410,000	1,002,000	2,260,992

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