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	1:20.1.2-0ubuntu1~24.04.3	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	3.0.13-0ubuntu3.11	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.

Date	Author	Language	Status
Apr 28, 2021 22:20	Yuriy Lyfenko	CPP	Error
Apr 28, 2021 22:03	Andrey Tsvetkov	GO	Error
Apr 28, 2021 22:00	Yurkov Aleksey	CPP	Error
Apr 28, 2021 22:00	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 21:59	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:59	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:58	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:56	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:52	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:50	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:49	Yuriy Lyfenko	CPP	Error
Apr 28, 2021 21:49	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:49	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:49	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:48	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:47	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:46	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:46	Yuriy Lyfenko	CPP	Error
Apr 28, 2021 21:45	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:45	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:44	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:43	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:42	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:42	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:41	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:41	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:40	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:40	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:40	Yuriy Lyfenko	CPP	Error
Apr 28, 2021 21:40	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:39	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:38	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:38	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:36	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:34	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:32	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:31	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:30	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:28	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 21:28	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:27	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 21:27	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:27	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 21:26	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:25	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:25	Andrey Tsvetkov	GO	Error
Apr 28, 2021 21:25	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:24	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:24	Andrey Tsvetkov	GO	Error
Apr 28, 2021 21:24	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:23	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 21:23	Andrey Tsvetkov	GO	Error
Apr 28, 2021 21:21	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 21:20	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:20	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 21:19	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:18	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:16	Yurkov Aleksey	CPP	Error
Apr 28, 2021 21:14	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 21:12	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 21:10	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 21:04	Andrey Tsvetkov	GO	Error
Apr 28, 2021 21:02	Andrey Tsvetkov	GO	Error
Apr 28, 2021 21:01	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 20:56	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 20:51	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 20:48	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 20:48	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 20:47	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 20:47	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 20:46	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 20:46	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 20:45	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 20:45	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 20:45	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 20:44	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 20:43	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 20:42	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 20:41	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 20:39	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 20:38	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 20:35	Yuriy Lyfenko	CPP	Error
Apr 28, 2021 20:34	Yuriy Lyfenko	CPP	Error
Apr 28, 2021 20:33	Yuriy Lyfenko	CPP	Error
Apr 28, 2021 20:33	Yuriy Lyfenko	CPP	Error
Apr 28, 2021 20:33	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 20:32	Yuriy Lyfenko	CPP	Error
Apr 28, 2021 20:32	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 20:32	Yuriy Lyfenko	CPP	Error
Apr 28, 2021 20:31	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 20:30	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 20:30	Yuriy Lyfenko	CPP	Error
Apr 28, 2021 20:30	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 20:30	Yuriy Lyfenko	CPP	Error
Apr 28, 2021 20:30	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 20:29	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 20:29	Yuriy Lyfenko	CPP	Error
Apr 28, 2021 20:29	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 20:28	Dmitry Dolgopolov	CPP	Error
Apr 28, 2021 20:28	Dmitry Dolgopolov	CPP	Error

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