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.

Date	Author	Language	Status	Score
Jun 30, 2021 20:01	x	CPP	Success	66,879
Jun 30, 2021 19:39	Yuriy Lyfenko	CPP	Error
Jun 30, 2021 19:33	x	CPP	Success	57,890+8.31 RP
Jun 30, 2021 19:33	x	CPP	Success	60,814+0.01 RP
Jun 30, 2021 19:32	x	CPP	Success	60,817+3.71 RP
Jun 30, 2021 19:21	Yuriy Lyfenko	CPP	Error
Jun 30, 2021 19:21	Yuriy Lyfenko	CPP	Error
Jun 30, 2021 19:14	Sergey Samokhvalov	CPP	Success	65,456+89.86 RP
Jun 30, 2021 18:58	Yuriy Lyfenko	CPP	Error
Jun 30, 2021 18:57	Yuriy Lyfenko	CPP	Error
Jun 30, 2021 18:55	Yuriy Lyfenko	CPP	Success	33,754
Jun 30, 2021 18:54	Yuriy Lyfenko	CPP	Error
Jun 30, 2021 18:51	Yuriy Lyfenko	CPP	Error
Jun 30, 2021 18:48	Yuriy Lyfenko	CPP	Success	33,859
Jun 30, 2021 18:47	Yuriy Lyfenko	CPP	Success	33,776
Jun 30, 2021 18:47	Yuriy Lyfenko	CPP	Success	35,076
Jun 30, 2021 18:46	Yuriy Lyfenko	CPP	Error
Jun 30, 2021 18:42	Sergey Samokhvalov	CPP	Success	159,609
Jun 30, 2021 18:35	Yuriy Lyfenko	CPP	Success	40,357
Jun 30, 2021 18:28	Sergey Samokhvalov	CPP	Success	158,952
Jun 30, 2021 18:14	Sergey Samokhvalov	CPP	Success	158,950+56.92 RP
Jun 30, 2021 16:28	Sergey Samokhvalov	CPP	Success	1,667,374+6.00 RP
Jun 30, 2021 03:12	Yuriy Lyfenko	CPP	Success	14,186
Jun 30, 2021 03:11	Yuriy Lyfenko	CPP	Success	13,875
Jun 30, 2021 03:09	Yuriy Lyfenko	CPP	Error
Jun 30, 2021 02:05	x	CPP	Success	84,628
Jun 30, 2021 01:44	x	CPP	Success	62,465
Jun 30, 2021 01:02	gchebanov	CPP	Success	12,797+422.77 RP
Jun 29, 2021 22:15	gchebanov	CPP	Error
Jun 29, 2021 21:03	x	CPP	Success	62,813
Jun 29, 2021 20:29	x	CPP	Success	75,073
Jun 29, 2021 20:21	x	CPP	Success	62,219+13.96 RP
Jun 29, 2021 19:49	x	CPP	Error
Jun 29, 2021 19:37	x	CPP	Success	68,136+47.51 RP
Jun 29, 2021 19:33	x	CPP	Error
Jun 29, 2021 19:28	x	CPP	Error
Jun 29, 2021 19:28	x	CPP	Error
Jun 29, 2021 19:26	x	CPP	Success	100,746+56.43 RP
Jun 29, 2021 19:20	x	CPP	Error
Jun 29, 2021 19:05	x	CPP	Error
Jun 29, 2021 18:57	x	CPP	Success	233,511+33.32 RP
Jun 29, 2021 18:55	x	CPP	Success	1,051,610+9.51 RP
Jun 29, 2021 18:38	x	CPP	Error
Jun 29, 2021 17:31	x	CPP	Error
Jun 29, 2021 17:30	x	CPP	Error
Jun 29, 2021 17:02	x	CPP	Error
Jun 29, 2021 14:54	Igor Shekalev	GO	Success	80,712
Jun 29, 2021 14:54	Igor Shekalev	GO	Success	81,024
Jun 29, 2021 14:53	Igor Shekalev	GO	Success	80,717
Jun 29, 2021 14:38	Igor Shekalev	GO	Success	68,008
Jun 29, 2021 14:35	Igor Shekalev	GO	Success	72,960
Jun 29, 2021 14:01	Igor Shekalev	GO	Success	78,720
Jun 29, 2021 14:00	Igor Shekalev	GO	Success	78,725
Jun 29, 2021 13:57	Igor Shekalev	GO	Success	69,702
Jun 29, 2021 13:54	Igor Shekalev	GO	Success	69,695
Jun 29, 2021 13:51	Igor Shekalev	GO	Success	95,091
Jun 29, 2021 13:47	Igor Shekalev	GO	Success	95,093
Jun 29, 2021 13:46	Igor Shekalev	GO	Success	92,495
Jun 29, 2021 13:45	Igor Shekalev	GO	Success	91,162
Jun 29, 2021 13:43	Igor Shekalev	CPP	Success	50,075
Jun 29, 2021 13:40	Igor Shekalev	CPP	Success	59,462
Jun 29, 2021 12:31	Igor Shekalev	GO	Success	224,383
Jun 29, 2021 12:29	Igor Shekalev	GO	Success	237,945
Jun 29, 2021 12:21	Andrey Tsvetkov	GO	Error
Jun 29, 2021 12:21	Andrey Tsvetkov	GO	Success	108,454
Jun 29, 2021 12:19	Andrey Tsvetkov	GO	Error
Jun 29, 2021 12:18	Andrey Tsvetkov	GO	Error
Jun 29, 2021 12:18	Andrey Tsvetkov	GO	Success	99,984
Jun 29, 2021 12:16	Andrey Tsvetkov	GO	Success	106,065
Jun 29, 2021 12:15	Andrey Tsvetkov	GO	Error
Jun 29, 2021 12:12	Andrey Tsvetkov	GO	Success	73,081
Jun 29, 2021 12:11	Andrey Tsvetkov	GO	Success	72,868
Jun 29, 2021 12:10	Andrey Tsvetkov	GO	Success	74,103
Jun 29, 2021 12:08	Andrey Tsvetkov	GO	Success	72,745
Jun 29, 2021 12:08	Andrey Tsvetkov	GO	Success	80,389
Jun 29, 2021 12:07	Andrey Tsvetkov	GO	Success	74,210
Jun 29, 2021 12:05	Igor Shekalev	CPP	Success	50,208
Jun 29, 2021 12:03	Igor Shekalev	CPP	Success	50,666
Jun 29, 2021 12:03	Igor Shekalev	CPP	Success	50,066
Jun 29, 2021 12:02	Igor Shekalev	CPP	Success	50,020
Jun 29, 2021 12:01	Igor Shekalev	CPP	Success	50,028
Jun 29, 2021 12:01	Igor Shekalev	CPP	Success	57,689
Jun 29, 2021 11:58	Igor Shekalev	CPP	Success	49,950
Jun 29, 2021 11:55	Igor Shekalev	CPP	Success	49,940+25.98 RP
Jun 29, 2021 11:42	Andrey Tsvetkov	GO	Success	72,733
Jun 29, 2021 11:41	Andrey Tsvetkov	GO	Success	72,749
Jun 29, 2021 11:36	Andrey Tsvetkov	GO	Success	73,132
Jun 29, 2021 11:34	Andrey Tsvetkov	GO	Success	77,802
Jun 29, 2021 11:24	Andrey Tsvetkov	GO	Success	77,985
Jun 29, 2021 11:23	Andrey Tsvetkov	GO	Success	77,951
Jun 29, 2021 11:20	Andrey Tsvetkov	GO	Success	78,643
Jun 29, 2021 11:19	Andrey Tsvetkov	GO	Success	78,126
Jun 29, 2021 11:08	Igor Shekalev	CPP	Success	118,219
Jun 29, 2021 11:02	Andrey Tsvetkov	GO	Success	88,532
Jun 29, 2021 10:54	Andrey Tsvetkov	GO	Success	80,083
Jun 29, 2021 10:53	Andrey Tsvetkov	GO	Success	84,190
Jun 29, 2021 10:52	Andrey Tsvetkov	GO	Success	89,283
Jun 29, 2021 10:51	Andrey Tsvetkov	GO	Success	92,370
Jun 29, 2021 10:39	Andrey Tsvetkov	GO	Error
Jun 29, 2021 10:38	Andrey Tsvetkov	GO	Error

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