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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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory	Error
1	Oct 14, 2024 11:19	0	0	0	0	0	Error: No answer to stdout. Died or killed?	stderr
2	Oct 14, 2024 11:17	0	0	0	0	0	Error: No answer to stdout. Died or killed?	stderr
3	Oct 14, 2024 11:15	0	0	0	0	0	Error: expected "53681064320362612 ", got "53681079263939443 "	stderr
4	Oct 14, 2024 11:16	0	0	0	0	0	Error: expected "53692223407096556 ", got "53692222424712982 "	stderr
5	Oct 14, 2024 11:17	0	0	0	0	0	Error: expected "53689737355837812 ", got "53689743112084799 "	stderr
6	Oct 14, 2024 11:16	0	0	0	0	0	Error: expected "53686744732731929 ", got "53686749112784932 "	stderr
7	Oct 14, 2024 11:17	4,252	60,560,613	33,277,000	2,016,000	2,306,048
8	Oct 14, 2024 11:17	4,262	56,793,140	33,354,000	2,021,000	2,314,240
9	Oct 14, 2024 11:15	4,269	59,472,474	32,395,000	3,037,000	2,297,856
10	Oct 14, 2024 11:17	4,270	60,843,722	33,415,000	2,025,000	2,273,280
11	Oct 14, 2024 11:15	4,272	56,327,609	34,446,000	1,013,000	2,269,184
12	Oct 14, 2024 11:19	4,286	62,638,204	32,528,000	3,049,000	2,338,816
13	Oct 14, 2024 11:15	4,316	57,790,938	32,839,000	2,985,000	2,392,064
14	Oct 14, 2024 11:17	4,316	58,879,719	34,827,000	995,000	2,531,328
15	Oct 14, 2024 11:17	4,317	61,821,539	33,844,000	1,990,000	2,535,424
16	Oct 14, 2024 11:15	4,328	61,121,178	33,926,000	1,995,000	2,301,952
17	Oct 14, 2024 11:15	4,343	58,397,004	35,043,000	1,001,000	2,392,064
18	Oct 14, 2024 11:17	4,343	56,017,987	35,047,000	1,001,000	2,531,328
19	Oct 14, 2024 11:19	4,358	60,631,873	35,164,000	1,004,000	2,301,952
20	Oct 14, 2024 11:19	4,364	57,998,104	34,208,000	2,012,000	2,531,328
21	Oct 14, 2024 11:19	4,376	56,126,262	35,310,000	1,008,000	2,293,760
22	Oct 14, 2024 11:15	4,419	63,611,439	36,677,000	0	2,269,184
23	Oct 14, 2024 11:15	4,441	61,590,857	35,863,000	996,000	2,301,952
24	Oct 14, 2024 11:17	4,454	56,687,549	35,970,000	999,000	2,297,856
25	Oct 14, 2024 11:19	4,478	67,895,034	35,162,000	2,009,000	2,273,280
26	Oct 14, 2024 11:19	4,482	53,703,541	35,190,000	2,010,000	2,297,856
27	Oct 14, 2024 11:15	4,496	63,335,948	35,302,000	2,017,000	2,273,280
28	Oct 14, 2024 11:19	4,496	62,361,479	35,298,000	2,017,000	2,535,424
29	Oct 14, 2024 11:19	4,506	59,398,257	36,393,000	1,010,000	2,310,144
30	Oct 14, 2024 11:19	4,519	60,847,774	35,477,000	2,027,000	2,306,048
31	Oct 14, 2024 11:17	4,524	64,059,178	35,519,000	2,029,000	2,306,048
32	Oct 14, 2024 11:15	4,587	63,424,691	35,069,000	3,005,000	2,306,048
33	Oct 14, 2024 11:15	4,607	65,043,951	36,230,000	2,012,000	2,306,048
34	Oct 14, 2024 11:15	4,730	58,826,531	38,250,000	1,006,000	2,301,952
35	Oct 14, 2024 11:17	4,746	59,999,168	38,381,000	1,010,000	2,531,328
36	Oct 14, 2024 11:15	4,919	64,284,812	39,830,000	995,000	2,301,952

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