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 17:15	0	0	0	0	0	Error: No answer to stdout. Died or killed?	stderr
2	Oct 14, 2024 17:14	0	0	0	0	0	Error: expected "53683990711692045 ", got "53683989530685578 "	stderr
3	Oct 14, 2024 17:14	0	0	0	0	0	Error: expected "53692607412837333 ", got "53692610198107939 "	stderr
4	Oct 14, 2024 17:15	4,232	55,898,933	33,117,000	2,007,000	2,306,048
5	Oct 14, 2024 17:14	4,238	60,629,826	33,166,000	2,010,000	2,301,952
6	Oct 14, 2024 17:15	4,239	56,207,365	33,172,000	2,010,000	2,306,048
7	Oct 14, 2024 17:14	4,243	63,383,377	33,208,000	2,012,000	2,273,280
8	Oct 16, 2024 23:40	4,244	60,326,291	32,205,000	3,019,000	2,306,048
9	Oct 14, 2024 17:15	4,249	58,094,931	33,253,000	2,015,000	2,306,048
10	Oct 14, 2024 17:15	4,250	54,368,601	34,269,000	1,007,000	2,301,952
11	Oct 16, 2024 23:40	4,254	56,047,621	33,288,000	2,017,000	2,273,280
12	Oct 14, 2024 17:15	4,255	56,689,344	32,291,000	3,027,000	2,314,240
13	Oct 14, 2024 17:15	4,264	68,685,979	32,355,000	3,033,000	2,535,424
14	Oct 14, 2024 17:14	4,265	65,108,615	32,363,000	3,034,000	2,310,144
15	Oct 14, 2024 17:14	4,267	54,157,010	34,402,000	1,011,000	2,301,952
16	Oct 14, 2024 17:15	4,274	58,801,581	34,465,000	1,013,000	2,396,160
17	Oct 14, 2024 17:14	4,276	59,711,789	33,466,000	2,028,000	2,461,696
18	Oct 14, 2024 17:14	4,279	58,645,910	34,501,000	1,014,000	2,535,424
19	Oct 14, 2024 17:15	4,284	60,987,895	35,558,000	0	2,535,424
20	Oct 14, 2024 17:15	4,289	62,230,507	33,567,000	2,034,000	2,273,280
21	Oct 14, 2024 17:15	4,299	69,533,593	33,645,000	2,039,000	2,310,144
22	Oct 16, 2024 23:40	4,317	62,667,279	33,844,000	1,990,000	2,531,328
23	Oct 16, 2024 23:40	4,318	62,733,024	34,842,000	995,000	2,306,048
24	Oct 16, 2024 23:40	4,319	64,442,193	34,855,000	995,000	2,273,280
25	Oct 14, 2024 17:15	4,321	59,703,463	32,878,000	2,988,000	2,301,952
26	Oct 14, 2024 17:15	4,326	66,983,076	34,910,000	997,000	2,293,760
27	Oct 14, 2024 17:14	4,327	56,532,896	33,919,000	1,995,000	2,531,328
28	Oct 14, 2024 17:15	4,328	60,606,213	33,930,000	1,995,000	2,318,336
29	Oct 14, 2024 17:15	4,339	60,360,822	35,015,000	1,000,000	2,269,184
30	Oct 14, 2024 17:15	4,342	56,284,636	35,039,000	1,001,000	2,269,184
31	Oct 14, 2024 17:14	4,344	55,166,664	35,056,000	1,001,000	2,531,328
32	Oct 16, 2024 23:40	4,344	55,182,119	35,053,000	1,001,000	2,531,328
33	Oct 14, 2024 17:15	4,352	61,174,131	35,119,000	1,003,000	2,269,184
34	Oct 14, 2024 17:15	4,369	58,688,179	34,251,000	2,014,000	2,531,328
35	Oct 14, 2024 17:15	4,401	58,755,665	36,529,000	0	2,269,184
36	Oct 14, 2024 17:14	4,408	64,236,956	36,583,000	0	2,293,760
37	Oct 14, 2024 17:14	4,486	56,434,266	34,212,000	3,018,000	2,387,968
38	Oct 14, 2024 17:14	4,490	58,780,889	35,250,000	2,014,000	2,269,184
39	Oct 14, 2024 17:14	4,735	60,157,854	38,293,000	1,007,000	2,531,328

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