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.

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Steve Han

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Run Statistics

#	Date	Score	Wall Time	CPU User	Memory	Error
1	May 5, 2024 23:19	0	0	0	0	Error: expected "53681550012765965 ", got "53298188210404109"
2	May 5, 2024 23:17	0	0	0	0	Error: expected "53688683321452221 ", got "53314185660959421"
3	May 5, 2024 23:14	0	0	0	0	Error: expected "53687393648151803 ", got "53305278794730235"
4	May 5, 2024 23:09	0	0	0	0	Error: expected "53691404072516193 ", got "53691401509956193"
5	May 5, 2024 23:12	9,771	148,001,847	81,101,841	2,273,280
6	May 5, 2024 23:26	9,796	133,998,073	81,303,852	2,269,184
7	May 5, 2024 23:12	9,827	136,820,405	81,563,054	2,265,088
8	May 5, 2024 23:11	9,827	146,025,096	81,567,722	2,269,184
9	May 5, 2024 23:10	9,828	159,901,139	81,570,393	2,260,992
10	May 5, 2024 23:09	9,830	144,003,833	81,587,414	2,273,280
11	May 5, 2024 23:12	9,830	144,819,350	81,591,667	2,260,992
12	May 5, 2024 23:11	9,830	141,332,643	81,588,353	2,269,184
13	May 5, 2024 23:26	9,831	135,932,751	81,601,236	2,273,280
14	May 5, 2024 23:26	9,834	146,321,582	81,618,254	2,269,184
15	May 5, 2024 23:13	9,834	147,560,411	81,620,129	2,277,376
16	May 5, 2024 23:11	9,834	147,345,988	81,623,873	2,277,376
17	May 5, 2024 23:12	9,836	144,109,116	81,638,749	2,269,184
18	May 5, 2024 23:10	9,837	145,837,315	81,648,368	2,265,088
19	May 5, 2024 23:10	10,063	142,096,586	83,519,124	2,277,376
20	May 5, 2024 23:13	10,083	155,079,139	83,685,314	2,277,376
21	May 5, 2024 23:11	10,086	142,782,923	83,715,993	2,265,088
22	May 5, 2024 23:10	10,086	153,136,329	83,714,967	2,260,992
23	May 5, 2024 23:12	10,087	169,670,219	83,723,368	2,281,472
24	May 5, 2024 23:10	10,126	145,597,537	84,044,398	2,269,184
25	May 5, 2024 23:11	10,132	144,687,253	84,097,996	2,265,088
26	May 5, 2024 23:10	10,133	152,499,818	84,105,899	2,281,472
27	May 5, 2024 23:13	10,134	161,238,070	84,112,426	2,277,376
28	May 5, 2024 23:27	10,134	146,655,384	84,116,212	2,269,184
29	May 5, 2024 23:27	10,135	166,189,122	84,122,452	2,269,184
30	May 5, 2024 23:12	10,137	143,109,624	84,139,491	2,265,088
31	May 5, 2024 23:09	10,137	150,258,213	84,137,573	2,269,184
32	May 5, 2024 23:27	10,140	142,970,967	84,161,590	2,277,376
33	May 5, 2024 23:09	10,140	142,691,391	84,165,730	2,281,472
34	May 5, 2024 23:11	10,142	146,906,258	84,178,380	2,265,088

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