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 29, 2021 12:33	glebarez	GO	Error
Apr 29, 2021 12:33	glebarez	GO	Error
Apr 29, 2021 12:31	glebarez	GO	Error
Apr 29, 2021 12:22	Andrei Grazhdankov	RUST	Error
Apr 29, 2021 11:55	Sergey Stremin	RUST	Error
Apr 29, 2021 11:53	Sergey Stremin	RUST	Error
Apr 29, 2021 11:51	Sergey Stremin	RUST	Error
Apr 29, 2021 11:31	Andrei Grazhdankov	RUST	Error
Apr 29, 2021 11:27	glebarez	GO	Error
Apr 29, 2021 11:21	Andrei Grazhdankov	RUST	Error
Apr 29, 2021 11:20	Andrei Grazhdankov	GO	Error
Apr 29, 2021 11:08	glebarez	GO	Error
Apr 29, 2021 10:47	Andrei Grazhdankov	GO	Error
Apr 29, 2021 10:43	glebarez	GO	Error
Apr 29, 2021 10:42	glebarez	GO	Error
Apr 29, 2021 10:32	glebarez	GO	Error
Apr 29, 2021 10:15	glebarez	GO	Error
Apr 29, 2021 10:13	Andrei Grazhdankov	GO	Error
Apr 29, 2021 10:13	Andrei Grazhdankov	GO	Error
Apr 29, 2021 10:12	Andrei Grazhdankov	GO	Error
Apr 29, 2021 10:10	Andrei Grazhdankov	GO	Error
Apr 29, 2021 10:10	Andrei Grazhdankov	GO	Error
Apr 29, 2021 09:55	Andrei Grazhdankov	GO	Error
Apr 29, 2021 09:52	Andrei Grazhdankov	GO	Error
Apr 29, 2021 09:52	Andrei Grazhdankov	GO	Error
Apr 29, 2021 09:50	Andrei Grazhdankov	GO	Error
Apr 29, 2021 09:49	Andrei Grazhdankov	GO	Error
Apr 29, 2021 09:49	Andrei Grazhdankov	GO	Error
Apr 29, 2021 09:48	Andrei Grazhdankov	GO	Error
Apr 29, 2021 09:48	Andrei Grazhdankov	GO	Error
Apr 29, 2021 09:46	Andrei Grazhdankov	GO	Error
Apr 29, 2021 09:46	Andrei Grazhdankov	GO	Error
Apr 29, 2021 09:44	Andrei Grazhdankov	GO	Error
Apr 29, 2021 09:42	Andrei Grazhdankov	GO	Error
Apr 29, 2021 09:35	Andrei Grazhdankov	GO	Error
Apr 29, 2021 09:35	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:34	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:33	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:32	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:32	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:29	Andrei Grazhdankov	GO	Error
Apr 29, 2021 09:28	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:28	Andrei Grazhdankov	GO	Error
Apr 29, 2021 09:28	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:24	Andrei Grazhdankov	GO	Error
Apr 29, 2021 09:21	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:19	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:19	Andrei Grazhdankov	GO	Error
Apr 29, 2021 09:19	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:18	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:17	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:17	Andrei Grazhdankov	GO	Error
Apr 29, 2021 09:16	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:16	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:15	Andrei Grazhdankov	GO	Error
Apr 29, 2021 09:15	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:13	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:12	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:12	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:11	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:10	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:09	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:08	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:08	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:07	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:07	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:04	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:03	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:01	Yurkov Aleksey	CPP	Error
Apr 29, 2021 09:00	Andrei Grazhdankov	GO	Error
Apr 29, 2021 09:00	Yurkov Aleksey	CPP	Error
Apr 29, 2021 08:59	Yurkov Aleksey	CPP	Error
Apr 29, 2021 08:57	Yurkov Aleksey	CPP	Error
Apr 29, 2021 08:57	Yurkov Aleksey	CPP	Error
Apr 29, 2021 08:56	Yurkov Aleksey	CPP	Error
Apr 29, 2021 08:55	Yurkov Aleksey	CPP	Error
Apr 29, 2021 08:48	Andrei Grazhdankov	GO	Error
Apr 29, 2021 08:46	Andrei Grazhdankov	GO	Error
Apr 29, 2021 08:37	Yurkov Aleksey	CPP	Error
Apr 29, 2021 08:36	Andrei Grazhdankov	GO	Error
Apr 29, 2021 08:35	Andrei Grazhdankov	GO	Error
Apr 29, 2021 08:33	Yurkov Aleksey	CPP	Error
Apr 29, 2021 08:30	Andrei Grazhdankov	GO	Error
Apr 29, 2021 08:19	Andrei Grazhdankov	GO	Error
Apr 29, 2021 08:18	Andrey Tsvetkov	GO	Error
Apr 29, 2021 08:18	Andrei Grazhdankov	GO	Error
Apr 29, 2021 08:15	Andrei Grazhdankov	GO	Error
Apr 29, 2021 08:15	Andrey Tsvetkov	GO	Error
Apr 29, 2021 08:15	Andrey Tsvetkov	GO	Error
Apr 29, 2021 08:11	Andrey Tsvetkov	GO	Error
Apr 29, 2021 08:10	Andrey Tsvetkov	GO	Error
Apr 29, 2021 08:09	Andrey Tsvetkov	GO	Error
Apr 29, 2021 08:09	Andrey Tsvetkov	GO	Error
Apr 29, 2021 08:08	Andrey Tsvetkov	GO	Error
Apr 29, 2021 07:57	Andrei Grazhdankov	GO	Error
Apr 29, 2021 07:56	Andrei Grazhdankov	GO	Error
Apr 29, 2021 07:53	Andrei Grazhdankov	GO	Error
Apr 29, 2021 07:43	Andrei Grazhdankov	GO	Error
Apr 29, 2021 07:32	Andrei Grazhdankov	RUST	Error
Apr 29, 2021 07:18	Dmitry Dolgopolov	CPP	Error

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