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	Score
Jul 1, 2021 11:54	mdzo	CPP	Success	157,723
Jul 1, 2021 11:54	Vitaliy F.	GO	Error
Jul 1, 2021 11:54	mdzo	CPP	Success	157,547
Jul 1, 2021 11:53	mdzo	CPP	Success	165,000
Jul 1, 2021 11:52	mdzo	CPP	Success	162,315
Jul 1, 2021 11:51	mdzo	CPP	Success	157,150
Jul 1, 2021 11:51	Vitaliy F.	GO	Success	459,468+21.76 RP
Jul 1, 2021 11:50	mdzo	CPP	Success	157,591
Jul 1, 2021 11:43	mdzo	CPP	Success	152,271
Jul 1, 2021 11:42	mdzo	CPP	Success	158,247
Jul 1, 2021 11:42	mdzo	CPP	Success	152,623
Jul 1, 2021 11:34	mdzo	CPP	Success	155,800
Jul 1, 2021 11:20	mdzo	CPP	Success	151,863+3.83 RP
Jul 1, 2021 11:14	mdzo	CPP	Success	161,233+33.43 RP
Jul 1, 2021 10:43	mdzo	CPP	Error
Jul 1, 2021 10:39	mdzo	CPP	Success	688,103
Jul 1, 2021 10:37	mdzo	CPP	Success	403,320
Jul 1, 2021 10:33	mdzo	CPP	Success	349,798+0.30 RP
Jul 1, 2021 10:27	mdzo	CPP	Success	353,532+28.29 RP
Jul 1, 2021 00:37	x	CPP	Success	57,903
Jul 1, 2021 00:19	Yuriy Lyfenko	CPP	Success	13,030
Jul 1, 2021 00:18	Yuriy Lyfenko	CPP	Success	13,278
Jul 1, 2021 00:17	Yuriy Lyfenko	CPP	Error
Jul 1, 2021 00:12	Yuriy Lyfenko	CPP	Error
Jul 1, 2021 00:04	Yuriy Lyfenko	CPP	Success	13,111
Jun 30, 2021 23:56	x	CPP	Success	57,894
Jun 30, 2021 23:55	x	CPP	Success	57,915
Jun 30, 2021 23:51	Yuriy Lyfenko	CPP	Error
Jun 30, 2021 23:49	Yuriy Lyfenko	CPP	Error
Jun 30, 2021 23:48	Yuriy Lyfenko	CPP	Success	15,151
Jun 30, 2021 23:47	Yuriy Lyfenko	CPP	Success	15,322
Jun 30, 2021 23:46	x	CPP	Success	165,685
Jun 30, 2021 23:45	x	CPP	Success	165,672
Jun 30, 2021 23:43	x	CPP	Success	165,491
Jun 30, 2021 23:39	x	CPP	Error
Jun 30, 2021 23:37	Yuriy Lyfenko	CPP	Error
Jun 30, 2021 23:26	Yuriy Lyfenko	CPP	Error
Jun 30, 2021 23:26	Sergey Samokhvalov	CPP	Success	56,987
Jun 30, 2021 23:24	Yuriy Lyfenko	CPP	Error
Jun 30, 2021 23:22	Yuriy Lyfenko	CPP	Error
Jun 30, 2021 23:18	Sergey Samokhvalov	CPP	Success	61,397
Jun 30, 2021 23:17	Sergey Samokhvalov	CPP	Success	59,090
Jun 30, 2021 22:22	Yuriy Lyfenko	CPP	Error
Jun 30, 2021 22:19	Yuriy Lyfenko	CPP	Error
Jun 30, 2021 22:18	Yuriy Lyfenko	CPP	Success	13,177
Jun 30, 2021 22:16	Sergey Samokhvalov	CPP	Success	56,054+25.63 RP
Jun 30, 2021 22:09	Yuriy Lyfenko	CPP	Error
Jun 30, 2021 22:04	Yuriy Lyfenko	CPP	Error
Jun 30, 2021 22:01	Yuriy Lyfenko	CPP	Success	13,493
Jun 30, 2021 21:57	Yuriy Lyfenko	CPP	Success	13,966
Jun 30, 2021 21:49	Yuriy Lyfenko	CPP	Error
Jun 30, 2021 21:32	Yuriy Lyfenko	CPP	Success	14,177
Jun 30, 2021 21:31	Yuriy Lyfenko	CPP	Success	14,783
Jun 30, 2021 21:29	Yuriy Lyfenko	CPP	Success	14,714
Jun 30, 2021 21:28	Yuriy Lyfenko	CPP	Error
Jun 30, 2021 21:27	Yuriy Lyfenko	CPP	Success	14,300
Jun 30, 2021 21:25	Yuriy Lyfenko	CPP	Success	14,307
Jun 30, 2021 21:19	Yuriy Lyfenko	CPP	Error
Jun 30, 2021 21:04	Yuriy Lyfenko	CPP	Error
Jun 30, 2021 21:02	Yuriy Lyfenko	CPP	Error
Jun 30, 2021 20:24	Yuriy Lyfenko	CPP	Success	40,388
Jun 30, 2021 20:01	x	CPP	Success	66,862
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

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