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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Matt Stuchlik

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#	Date	Error
1	Jun 12, 2024 19:17	Error: Exit with code 1: Segmentation fault at address: 140501470674880	stderr
2	Jun 12, 2024 19:25	Error: Exit with code 1: Segmentation fault at address: 140014346305472	stderr
3	Jun 12, 2024 19:24	Error: Exit with code 1: Segmentation fault at address: 140218921385920	stderr
4	Jun 12, 2024 19:24	Error: Exit with code 1: Segmentation fault at address: 139795432996800	stderr
5	Jun 12, 2024 19:23	Error: Exit with code 1: Segmentation fault at address: 140127842074560	stderr
6	Jun 12, 2024 19:23	Error: Exit with code 1: Segmentation fault at address: 140518732332992	stderr
7	Jun 12, 2024 19:22	Error: Exit with code 1: Segmentation fault at address: 140474889273280	stderr
8	Jun 12, 2024 19:21	Error: Exit with code 1: Segmentation fault at address: 401602601472	stderr
9	Jun 12, 2024 19:21	Error: Exit with code 1: Segmentation fault at address: 139968183795648	stderr
10	Jun 12, 2024 19:20	Error: Exit with code 1: Segmentation fault at address: 140233704210368	stderr
11	Jun 12, 2024 19:20	Error: Exit with code 1: Segmentation fault at address: 139986900877248	stderr
12	Jun 12, 2024 19:19	Error: Exit with code 1: Segmentation fault at address: 140272329555904	stderr
13	Jun 12, 2024 19:19	Error: Exit with code 1: Segmentation fault at address: 139707201617856	stderr
14	Jun 12, 2024 19:18	Error: Exit with code 1: Segmentation fault at address: 139814485622720	stderr
15	Jun 12, 2024 19:09	Error: Exit with code 1: Segmentation fault at address: 139899151843264	stderr
16	Jun 12, 2024 19:17	Error: Exit with code 1: Segmentation fault at address: 140489644834752	stderr
17	Jun 12, 2024 19:16	Error: Exit with code 1: Segmentation fault at address: 139738440794048	stderr
18	Jun 12, 2024 19:16	Error: Exit with code 1: Segmentation fault at address: 139906066153408	stderr
19	Jun 12, 2024 19:15	Error: Exit with code 1: Segmentation fault at address: 140487082115008	stderr
20	Jun 12, 2024 19:15	Error: Exit with code 1: Segmentation fault at address: 139985250418624	stderr
21	Jun 12, 2024 19:14	Error: Exit with code 1: Segmentation fault at address: 140580367630272	stderr
22	Jun 12, 2024 19:13	Error: Exit with code 1: Segmentation fault at address: 140576263503808	stderr
23	Jun 12, 2024 19:13	Error: Exit with code 1: Segmentation fault at address: 140378873266112	stderr
24	Jun 12, 2024 19:12	Error: Exit with code 1: Segmentation fault at address: 140377130532800	stderr
25	Jun 12, 2024 19:12	Error: Exit with code 1: Segmentation fault at address: 140205434601408	stderr
26	Jun 12, 2024 19:11	Error: Exit with code 1: Segmentation fault at address: 139945113026496	stderr
27	Jun 12, 2024 19:11	Error: Exit with code 1: Segmentation fault at address: 139998561042368	stderr
28	Jun 12, 2024 19:10	Error: Exit with code 1: Segmentation fault at address: 139953681989568	stderr

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