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
Jan 16, 2022 09:00	Andrey Tsvetkov	GOgo1.14.15	Success	38,487
Jan 16, 2022 08:52	Andrey Tsvetkov	GOgo1.14.15	Success	32,655+0.02 RP
Jan 16, 2022 08:41	Andrey Tsvetkov	GOgo1.17.6	Success	40,057
Jan 16, 2022 08:41	Andrey Tsvetkov	GOgo1.14.15	Success	36,514
Jan 16, 2022 08:38	Andrey Tsvetkov	GOgo1.14.15	Success	33,222
Jan 16, 2022 08:37	Andrey Tsvetkov	GOgo1.17.6	Error
Jan 16, 2022 08:33	Andrey Tsvetkov	GOgo1.17.6	Success	34,651
Jan 16, 2022 08:32	Andrey Tsvetkov	GOgo1.17.6	Success	33,177
Jan 15, 2022 22:31	Mansur	CPPclang++10.0.0	Success	80,703+8.74 RP
Jan 15, 2022 22:30	Mansur	CPPclang++10.0.0	Success	86,826+15.27 RP
Jan 15, 2022 22:28	Mansur	CPPclang++10.0.0	Success	105,754
Jan 15, 2022 22:23	Mansur	CPPclang++10.0.0	Success	117,801
Jan 15, 2022 22:13	Mansur	CPPclang++10.0.0	Success	100,096+77.95 RP
Jan 15, 2022 21:23	Mansur	CPPclang++10.0.0	Success	455,424+15.88 RP
Jan 15, 2022 21:21	Mansur	CPPclang++10.0.0	Success	1,645,755+6.08 RP
Jan 15, 2022 09:27	zumpchke	CPPg++9.3.0	Success	1,645,378+6.08 RP
Jan 11, 2022 20:47	Jakub Beránek	RUSTrust-1.57.0	Error
Jan 11, 2022 20:25	Jakub Beránek	RUSTrust-1.57.0	Success	398,748
Jan 11, 2022 20:19	Jakub Beránek	RUSTrust-1.57.0	Success	395,495+25.28 RP
Jan 10, 2022 07:53	Yuriy Lyfenko	CPPclang++10.0.0	Success	11,513
Jan 10, 2022 07:39	Yuriy Lyfenko	CPPclang++10.0.0	Success	11,334+5.12 RP
Jan 10, 2022 07:39	Yuriy Lyfenko	CPPclang++10.0.0	Success	11,367+14.58 RP
Jan 10, 2022 07:38	Yuriy Lyfenko	CPPclang++10.0.0	Success	11,580
Jan 10, 2022 07:38	Yuriy Lyfenko	CPPclang++10.0.0	Success	11,951
Jan 10, 2022 07:37	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jan 10, 2022 07:18	Yuriy Lyfenko	CPPg++9.3.0	Success	12,644
Jan 10, 2022 07:16	Yuriy Lyfenko	CPPclang++10.0.0	Success	11,462+167.98 RP
Jan 10, 2022 07:01	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jan 10, 2022 06:56	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jan 10, 2022 06:14	Yuriy Lyfenko	CPPclang++10.0.0	Success	13,822
Jan 10, 2022 06:11	Yuriy Lyfenko	CPPclang++10.0.0	Success	13,174
Jan 10, 2022 06:10	Yuriy Lyfenko	CPPclang++10.0.0	Success	12,904
Jan 10, 2022 05:59	Yuriy Lyfenko	CPPg++9.3.0	Error
Jan 10, 2022 05:54	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jan 10, 2022 05:48	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jan 10, 2022 05:46	Yuriy Lyfenko	CPPclang++10.0.0	Success	12,721
Jan 10, 2022 05:45	Yuriy Lyfenko	CPPclang++10.0.0	Success	13,268
Jan 10, 2022 05:32	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jan 10, 2022 05:05	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jan 10, 2022 05:04	Yuriy Lyfenko	CPPclang++10.0.0	Success	13,044
Jan 10, 2022 04:58	Yuriy Lyfenko	CPPclang++10.0.0	Success	12,845
Jan 10, 2022 04:57	Yuriy Lyfenko	CPPclang++10.0.0	Success	12,865
Jan 10, 2022 04:55	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jan 10, 2022 04:33	Yuriy Lyfenko	CPPclang++10.0.0	Success	14,803
Jan 10, 2022 04:19	Yuriy Lyfenko	CPPclang++10.0.0	Success	14,805
Jan 10, 2022 01:59	Yuriy Lyfenko	CPPclang++10.0.0	Success	16,581
Dec 27, 2021 13:56	Alexander Kim	GOgo1.17.5	Success	28,425
Dec 25, 2021 14:23	Igor Volkov	CPPg++9.3.0	Success	54,801+1.79 RP
Dec 25, 2021 14:14	Igor Volkov	CPPg++9.3.0	Success	55,345+5.05 RP
Dec 25, 2021 14:12	Igor Volkov	CPPg++9.3.0	Success	56,936+24.04 RP
Dec 25, 2021 14:10	Igor Volkov	CPPg++9.3.0	Error
Dec 25, 2021 14:06	Igor Volkov	CPPg++9.3.0	Success	72,902
Dec 25, 2021 13:48	Igor Volkov	CPPg++9.3.0	Success	65,965+17.26 RP
Dec 25, 2021 12:25	Igor Volkov	CPPclang++10.0.0	Success	84,159
Dec 25, 2021 12:23	Igor Volkov	CPPg++9.3.0	Success	74,441+134.33 RP
Dec 24, 2021 12:48	Alexander Kim	GOgo1.17.5	Success	28,406+124.71 RP
Dec 24, 2021 07:22	null395922	CPPg++9.3.0	Success	1,641,945+6.09 RP
Dec 23, 2021 20:34	Alexander Kim	GOgo1.17.5	Success	37,716+17.95 RP
Dec 22, 2021 21:43	Andrey Tsvetkov	GOgo1.14.15	Success	32,744
Dec 22, 2021 21:42	Andrey Tsvetkov	GOgo1.14.15	Success	37,701
Dec 22, 2021 21:41	Andrey Tsvetkov	GOgo1.17.5	Success	33,211
Dec 22, 2021 16:41	Alexander Kim	GOgo1.17.5	Success	40,454+2.99 RP
Dec 22, 2021 14:09	Alexander Kim	GOgo1.17.5	Success	40,950+17.12 RP
Dec 22, 2021 13:46	Alexander Kim	GOgo1.17.5	Success	45,761
Dec 22, 2021 13:46	Alexander Kim	GOgo1.17.5	Success	47,231
Dec 22, 2021 13:44	Alexander Kim	GOgo1.17.5	Success	44,061
Dec 22, 2021 12:45	Alexander Kim	GOgo1.17.5	Success	46,630
Dec 22, 2021 12:40	Alexander Kim	GOgo1.17.5	Success	48,686
Dec 22, 2021 12:40	Alexander Kim	GOgo1.17.5	Error
Dec 22, 2021 12:32	Alexander Kim	GOgo1.17.5	Success	46,622
Dec 22, 2021 03:59	Yuriy Lyfenko	GOgo1.12.9	Success	31,824+1.00 RP
Dec 22, 2021 03:59	Yuriy Lyfenko	GOgo1.17.5	Success	35,130
Dec 22, 2021 03:55	Yuriy Lyfenko	GOgo1.13.9	Error
Dec 22, 2021 03:53	Yuriy Lyfenko	GOgo1.13.9	Error
Dec 22, 2021 03:51	Yuriy Lyfenko	GOgo1.13.9	Error
Dec 22, 2021 03:48	Yuriy Lyfenko	GOgo1.13.9	Error
Dec 22, 2021 03:47	Yuriy Lyfenko	GOgo1.13.9	Success	31,926+7.01 RP
Dec 22, 2021 03:41	Yuriy Lyfenko	GOgo1.13.9	Success	43,297
Dec 22, 2021 03:40	Yuriy Lyfenko	GOgo1.13.9	Success	43,353
Dec 22, 2021 03:39	Yuriy Lyfenko	GOgo1.13.9	Error
Dec 22, 2021 03:25	Yuriy Lyfenko	GOgo1.13.9	Error
Dec 22, 2021 03:23	Yuriy Lyfenko	GOgo1.13.9	Success	33,363
Dec 22, 2021 03:21	Yuriy Lyfenko	GOgo1.13.9	Error
Dec 22, 2021 03:20	Yuriy Lyfenko	GOgo1.13.9	Error
Dec 22, 2021 03:18	Yuriy Lyfenko	GOgo1.13.9	Success	37,375
Dec 22, 2021 03:17	Yuriy Lyfenko	GOgo1.13.9	Error
Dec 22, 2021 03:15	Yuriy Lyfenko	GOgo1.13.9	Error
Dec 22, 2021 03:12	Yuriy Lyfenko	GOgo1.13.9	Error
Dec 22, 2021 03:03	Yuriy Lyfenko	GOgo1.13.9	Error
Dec 22, 2021 03:03	Yuriy Lyfenko	GOgo1.13.9	Success	40,812
Dec 22, 2021 02:57	Yuriy Lyfenko	GOgo1.13.9	Error
Dec 22, 2021 02:56	Yuriy Lyfenko	GOgo1.13.9	Error
Dec 22, 2021 02:44	Yuriy Lyfenko	GOgo1.13.9	Success	613,490
Dec 22, 2021 02:43	Yuriy Lyfenko	GOgo1.13.9	Error
Dec 22, 2021 02:40	Yuriy Lyfenko	GOgo1.13.9	Success	33,178
Dec 22, 2021 02:40	Yuriy Lyfenko	GOgo1.13.9	Success	33,215
Dec 22, 2021 02:36	Yuriy Lyfenko	GOgo1.13.9	Success	40,593
Dec 22, 2021 02:31	Yuriy Lyfenko	GOgo1.13.9	Success	33,963
Dec 22, 2021 02:30	Yuriy Lyfenko	GOgo1.13.9	Error
Dec 22, 2021 02:28	Yuriy Lyfenko	GOgo1.13.9	Success	39,156

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