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 25, 2021 15:58	Yuriy Lyfenko	CPP	Error
Apr 25, 2021 15:57	Yurkov Aleksey	CPP	Error
Apr 25, 2021 15:54	Yuriy Lyfenko	CPP	Error
Apr 25, 2021 15:54	Yurkov Aleksey	CPP	Error
Apr 25, 2021 15:53	Yurkov Aleksey	CPP	Error
Apr 25, 2021 15:50	Yurkov Aleksey	CPP	Error
Apr 25, 2021 15:49	Yurkov Aleksey	CPP	Error
Apr 25, 2021 15:48	Yurkov Aleksey	CPP	Error
Apr 25, 2021 15:47	Yurkov Aleksey	CPP	Error
Apr 25, 2021 15:46	Yurkov Aleksey	CPP	Error
Apr 25, 2021 15:45	Yurkov Aleksey	CPP	Error
Apr 25, 2021 15:39	Yurkov Aleksey	CPP	Error
Apr 25, 2021 15:16	Dmitry Dolgopolov	CPP	Error
Apr 25, 2021 15:13	Dmitry Dolgopolov	CPP	Error
Apr 25, 2021 15:10	Dmitry Dolgopolov	CPP	Error
Apr 25, 2021 15:09	Dmitry Dolgopolov	CPP	Error
Apr 25, 2021 14:59	Dmitry Dolgopolov	CPP	Error
Apr 25, 2021 14:58	Dmitry Dolgopolov	CPP	Error
Apr 25, 2021 13:07	Andrey Tsvetkov	GO	Error
Apr 25, 2021 13:07	Andrey Tsvetkov	GO	Error
Apr 25, 2021 13:03	Yurkov Aleksey	CPP	Error
Apr 25, 2021 13:01	Yurkov Aleksey	CPP	Error
Apr 25, 2021 12:58	Yurkov Aleksey	CPP	Error
Apr 25, 2021 12:56	Yurkov Aleksey	CPP	Error
Apr 25, 2021 12:54	Andrey Tsvetkov	GO	Error
Apr 25, 2021 12:54	Andrey Tsvetkov	GO	Error
Apr 25, 2021 12:53	Andrey Tsvetkov	GO	Error
Apr 25, 2021 12:53	Andrey Tsvetkov	GO	Error
Apr 25, 2021 12:53	Andrey Tsvetkov	GO	Error
Apr 25, 2021 12:52	Andrey Tsvetkov	GO	Error
Apr 25, 2021 12:52	Andrey Tsvetkov	GO	Error
Apr 25, 2021 12:52	Andrey Tsvetkov	GO	Error
Apr 25, 2021 12:52	Andrey Tsvetkov	GO	Error
Apr 25, 2021 12:51	Andrey Tsvetkov	GO	Error
Apr 25, 2021 12:51	Yurkov Aleksey	CPP	Error
Apr 25, 2021 12:49	Andrey Tsvetkov	GO	Error
Apr 25, 2021 12:47	Andrey Tsvetkov	GO	Error
Apr 25, 2021 12:46	Andrey Tsvetkov	GO	Error
Apr 25, 2021 12:44	Andrey Tsvetkov	GO	Error
Apr 25, 2021 12:43	Yurkov Aleksey	CPP	Error
Apr 25, 2021 12:43	Andrey Tsvetkov	GO	Error
Apr 25, 2021 12:35	Yurkov Aleksey	CPP	Error
Apr 25, 2021 12:35	Yurkov Aleksey	CPP	Error
Apr 25, 2021 12:07	Andrey Tsvetkov	GO	Error
Apr 25, 2021 11:58	Andrey Tsvetkov	GO	Error
Apr 25, 2021 11:58	Yurkov Aleksey	CPP	Error
Apr 25, 2021 11:56	Andrey Tsvetkov	GO	Error
Apr 25, 2021 11:56	Yurkov Aleksey	CPP	Error
Apr 25, 2021 11:54	Yurkov Aleksey	CPP	Error
Apr 25, 2021 11:52	Andrey Tsvetkov	GO	Error
Apr 25, 2021 11:52	Yurkov Aleksey	CPP	Error
Apr 25, 2021 11:51	Yurkov Aleksey	CPP	Error
Apr 25, 2021 11:48	Yurkov Aleksey	CPP	Error
Apr 25, 2021 11:46	Yurkov Aleksey	CPP	Error
Apr 25, 2021 11:42	Yurkov Aleksey	CPP	Error
Apr 25, 2021 11:30	Yurkov Aleksey	CPP	Error
Apr 25, 2021 11:28	Yurkov Aleksey	CPP	Error
Apr 25, 2021 11:27	Andrey Tsvetkov	GO	Error
Apr 25, 2021 11:26	Yurkov Aleksey	CPP	Error
Apr 25, 2021 11:26	Andrey Tsvetkov	GO	Error
Apr 25, 2021 11:25	Andrey Tsvetkov	GO	Error
Apr 25, 2021 11:24	Andrey Tsvetkov	GO	Error
Apr 25, 2021 11:22	Andrey Tsvetkov	GO	Error
Apr 25, 2021 11:20	Andrey Tsvetkov	GO	Error
Apr 25, 2021 11:18	Yurkov Aleksey	CPP	Error
Apr 25, 2021 11:17	Yurkov Aleksey	CPP	Error
Apr 25, 2021 11:14	Yurkov Aleksey	CPP	Error
Apr 25, 2021 11:12	Yurkov Aleksey	CPP	Error
Apr 25, 2021 11:10	Yurkov Aleksey	CPP	Error
Apr 25, 2021 11:07	Yurkov Aleksey	CPP	Error
Apr 25, 2021 11:07	Andrey Tsvetkov	GO	Error
Apr 25, 2021 11:03	Andrey Tsvetkov	GO	Error
Apr 25, 2021 11:01	Andrey Tsvetkov	GO	Error
Apr 25, 2021 11:01	Andrey Tsvetkov	GO	Error
Apr 25, 2021 11:00	Andrey Tsvetkov	GO	Error
Apr 25, 2021 10:50	Andrey Tsvetkov	GO	Error
Apr 25, 2021 10:49	Andrey Tsvetkov	GO	Error
Apr 25, 2021 02:07	Yuriy Lyfenko	CPP	Error
Apr 25, 2021 02:04	Yuriy Lyfenko	CPP	Error
Apr 25, 2021 02:00	Yuriy Lyfenko	CPP	Error
Apr 25, 2021 01:52	Yuriy Lyfenko	CPP	Error
Apr 25, 2021 01:50	Yuriy Lyfenko	CPP	Error
Apr 25, 2021 01:48	Yuriy Lyfenko	CPP	Error
Apr 25, 2021 01:47	Yuriy Lyfenko	CPP	Error
Apr 25, 2021 01:42	Yuriy Lyfenko	CPP	Error
Apr 25, 2021 01:41	Yuriy Lyfenko	CPP	Error
Apr 25, 2021 01:34	Yuriy Lyfenko	CPP	Error
Apr 25, 2021 01:20	Yuriy Lyfenko	CPP	Error
Apr 25, 2021 01:14	Yuriy Lyfenko	CPP	Error
Apr 25, 2021 01:12	Yuriy Lyfenko	CPP	Error
Apr 25, 2021 01:11	Yuriy Lyfenko	CPP	Error
Apr 25, 2021 01:11	Yuriy Lyfenko	CPP	Error
Apr 25, 2021 01:09	Yuriy Lyfenko	CPP	Error
Apr 25, 2021 01:08	Yuriy Lyfenko	CPP	Error
Apr 25, 2021 01:05	Yuriy Lyfenko	CPP	Error
Apr 25, 2021 01:02	Yuriy Lyfenko	CPP	Error
Apr 25, 2021 00:45	Yurkov Aleksey	CPP	Error
Apr 25, 2021 00:44	Yurkov Aleksey	CPP	Error
Apr 25, 2021 00:38	Yurkov Aleksey	CPP	Error
Apr 25, 2021 00:35	Yurkov Aleksey	CPP	Error

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