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 5, 2021 19:39

Yuriy Lyfenko

Score: 23,079

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 5, 2021 19:41	23,053	212,266,545	190,342,000	1,001,000	2,260,992
2	May 5, 2021 19:44	23,053	213,208,350	191,336,000	0	2,396,160
3	May 5, 2021 19:41	23,056	219,164,152	190,360,000	1,001,000	2,387,968
4	May 5, 2021 19:41	23,056	212,166,898	190,366,000	1,001,000	2,260,992
5	May 5, 2021 21:47	23,063	215,178,489	191,420,000	0	2,260,992
6	May 5, 2021 19:44	23,064	213,605,277	189,428,000	2,004,000	2,260,992
7	May 5, 2021 19:39	23,066	212,205,258	191,451,000	0	2,260,992
8	May 5, 2021 21:47	23,067	214,068,913	190,456,000	1,002,000	2,392,064
9	May 5, 2021 19:39	23,071	216,719,324	190,486,000	1,002,000	2,387,968
10	May 5, 2021 21:47	23,072	217,512,459	190,492,000	1,002,000	2,260,992
11	May 5, 2021 19:41	23,073	220,771,255	190,502,000	1,002,000	2,260,992
12	May 5, 2021 21:47	23,075	221,073,184	191,525,000	0	2,260,992
13	May 5, 2021 19:44	23,076	221,338,254	189,526,000	2,005,000	2,260,992
14	May 5, 2021 19:41	23,076	222,327,478	191,527,000	0	2,260,992
15	May 5, 2021 19:44	23,077	221,832,950	190,535,000	1,002,000	2,396,160
16	May 5, 2021 19:39	23,078	220,312,977	189,542,000	2,005,000	2,260,992
17	May 5, 2021 19:41	23,078	221,880,059	191,545,000	0	2,260,992
18	May 5, 2021 19:41	23,078	212,308,081	191,547,000	0	2,260,992
19	May 5, 2021 19:41	23,079	221,626,135	190,556,000	1,002,000	2,260,992
20	May 5, 2021 19:41	23,079	223,239,523	191,559,000	0	2,400,256
21	May 5, 2021 19:39	23,081	219,196,651	189,578,000	1,995,000	2,260,992
22	May 5, 2021 19:44	23,081	219,758,701	190,568,000	1,002,000	2,260,992
23	May 5, 2021 21:47	23,082	224,734,586	190,580,000	1,003,000	2,392,064
24	May 5, 2021 21:47	23,083	218,503,272	191,588,000	0	2,260,992
25	May 5, 2021 19:39	23,083	222,568,056	190,590,000	1,003,000	2,260,992
26	May 5, 2021 19:44	23,099	221,722,537	190,726,000	998,000	2,260,992
27	May 5, 2021 19:44	23,099	217,060,819	189,721,000	1,997,000	2,465,792
28	May 5, 2021 19:39	23,101	222,663,626	189,745,000	1,997,000	2,392,064
29	May 5, 2021 19:44	23,101	220,766,044	188,745,000	2,995,000	2,260,992
30	May 5, 2021 21:47	23,101	220,278,512	191,740,000	0	2,260,992
31	May 5, 2021 19:39	23,102	216,374,554	189,746,000	1,997,000	2,260,992
32	May 5, 2021 19:39	23,103	217,334,212	190,753,000	998,000	2,396,160
33	May 5, 2021 19:39	23,104	216,345,176	188,771,000	2,996,000	2,260,992
34	May 5, 2021 21:47	23,104	217,832,945	189,770,000	1,997,000	2,383,872
35	May 5, 2021 21:47	23,105	220,871,709	190,772,000	998,000	2,387,968
36	May 5, 2021 19:44	23,113	224,074,350	189,844,000	1,998,000	2,387,968

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