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 2, 2021 13:12	Vitaliy F.	GO	Success	361,232
Jul 2, 2021 13:02	Vitaliy F.	GO	Success	66,609
Jul 2, 2021 13:01	Vitaliy F.	GO	Success	71,259
Jul 2, 2021 13:00	Vitaliy F.	GO	Success	98,864
Jul 2, 2021 13:00	Vitaliy F.	GO	Success	104,115
Jul 2, 2021 12:48	Vitaliy F.	GO	Success	66,581+0.03 RP
Jul 2, 2021 12:48	Vitaliy F.	GO	Success	71,483
Jul 2, 2021 12:46	Vitaliy F.	GO	Success	71,470
Jul 2, 2021 12:45	Vitaliy F.	GO	Success	71,484
Jul 2, 2021 12:43	Vitaliy F.	GO	Success	71,479
Jul 2, 2021 12:42	Vitaliy F.	GO	Success	66,595+0.92 RP
Jul 2, 2021 12:38	Vitaliy F.	GO	Error
Jul 2, 2021 12:34	Vitaliy F.	GO	Success	67,004+2.75 RP
Jul 2, 2021 12:31	Vitaliy F.	GO	Success	115,422
Jul 2, 2021 12:30	Vitaliy F.	GO	Success	137,344
Jul 2, 2021 12:26	Vitaliy F.	GO	Success	81,571
Jul 2, 2021 12:19	Vitaliy F.	GO	Success	68,261+18.05 RP
Jul 2, 2021 12:15	Vitaliy F.	GO	Success	93,369
Jul 2, 2021 12:13	Vitaliy F.	GO	Success	108,110
Jul 2, 2021 12:12	Vitaliy F.	GO	Success	108,038
Jul 2, 2021 12:12	Vitaliy F.	GO	Success	111,281
Jul 2, 2021 12:10	Vitaliy F.	GO	Success	111,297
Jul 2, 2021 12:09	Vitaliy F.	GO	Error
Jul 2, 2021 12:05	Vitaliy F.	GO	Error
Jul 2, 2021 12:04	Vitaliy F.	GO	Error
Jul 2, 2021 12:03	Vitaliy F.	GO	Error
Jul 2, 2021 12:02	Vitaliy F.	GO	Error
Jul 2, 2021 11:55	Vitaliy F.	GO	Success	160,415
Jul 2, 2021 11:55	Vitaliy F.	GO	Success	164,132
Jul 2, 2021 11:53	Vitaliy F.	GO	Success	161,942
Jul 2, 2021 11:43	Vitaliy F.	GO	Success	115,844
Jul 2, 2021 10:50	mdzo	CPP	Success	86,947
Jul 2, 2021 10:47	mdzo	CPP	Error
Jul 2, 2021 10:46	mdzo	CPP	Success	87,233
Jul 2, 2021 10:04	mdzo	CPP	Success	87,967
Jul 2, 2021 10:04	mdzo	CPP	Success	88,108
Jul 2, 2021 10:00	mdzo	CPP	Success	834,138
Jul 2, 2021 09:57	mdzo	CPP	Success	288,999
Jul 2, 2021 09:56	mdzo	CPP	Success	92,928
Jul 2, 2021 09:51	Vitaliy F.	GO	Success	2,166,392
Jul 2, 2021 09:42	mdzo	CPP	Success	81,995
Jul 2, 2021 09:29	mdzo	CPP	Success	54,062+0.01 RP
Jul 2, 2021 07:02	x	CPP	Error
Jul 2, 2021 06:44	x	CPP	Success	65,670
Jul 2, 2021 06:43	x	CPP	Error
Jul 2, 2021 04:26	x	CPP	Error
Jul 2, 2021 04:26	x	CPP	Error
Jul 2, 2021 04:25	x	CPP	Error
Jul 2, 2021 04:24	x	CPP	Error
Jul 2, 2021 01:53	mdzo	CPP	Success	78,987
Jul 2, 2021 01:49	mdzo	CPP	Success	78,229
Jul 2, 2021 01:45	mdzo	CPP	Success	74,032
Jul 2, 2021 01:39	mdzo	CPP	Success	61,798
Jul 2, 2021 01:37	mdzo	CPP	Success	54,278
Jul 2, 2021 01:36	mdzo	CPP	Success	58,525
Jul 2, 2021 01:35	mdzo	CPP	Success	54,064+0.41 RP
Jul 2, 2021 01:34	mdzo	CPP	Success	58,525
Jul 2, 2021 01:20	mdzo	CPP	Success	70,024
Jul 2, 2021 01:04	mdzo	CPP	Success	65,963
Jul 2, 2021 00:59	mdzo	CPP	Success	65,524
Jul 2, 2021 00:57	mdzo	CPP	Success	66,545
Jul 2, 2021 00:56	mdzo	CPP	Error
Jul 2, 2021 00:51	mdzo	CPP	Error
Jul 2, 2021 00:48	mdzo	CPP	Error
Jul 2, 2021 00:47	mdzo	CPP	Success	68,073
Jul 2, 2021 00:06	mdzo	CPP	Success	68,040
Jul 1, 2021 23:45	mdzo	CPP	Success	62,414
Jul 1, 2021 23:42	mdzo	CPP	Error
Jul 1, 2021 23:41	mdzo	CPP	Error
Jul 1, 2021 23:40	mdzo	CPP	Error
Jul 1, 2021 23:38	mdzo	CPP	Error
Jul 1, 2021 23:25	x	CPP	Error
Jul 1, 2021 23:25	x	CPP	Error
Jul 1, 2021 23:20	mdzo	CPP	Error
Jul 1, 2021 23:19	x	CPP	Success	75,481
Jul 1, 2021 23:16	x	CPP	Error
Jul 1, 2021 23:14	x	CPP	Error
Jul 1, 2021 23:12	x	CPP	Success	57,838
Jul 1, 2021 22:18	mdzo	CPP	Success	64,327
Jul 1, 2021 22:17	mdzo	CPP	Error
Jul 1, 2021 21:49	mdzo	CPP	Error
Jul 1, 2021 21:25	mdzo	CPP	Success	78,267
Jul 1, 2021 21:21	mdzo	CPP	Error
Jul 1, 2021 21:17	mdzo	CPP	Success	59,666
Jul 1, 2021 21:06	mdzo	CPP	Success	59,453
Jul 1, 2021 21:05	mdzo	CPP	Success	59,473
Jul 1, 2021 21:03	mdzo	CPP	Success	161,111
Jul 1, 2021 21:02	x	CPP	Error
Jul 1, 2021 21:02	x	CPP	Success	54,052+0.86 RP
Jul 1, 2021 21:02	mdzo	CPP	Success	161,114
Jul 1, 2021 21:00	x	CPP	Success	54,305+0.49 RP
Jul 1, 2021 20:59	x	CPP	Error
Jul 1, 2021 19:04	Vitaliy F.	GO	Success	77,855+46.67 RP
Jul 1, 2021 18:54	Vitaliy F.	GO	Success	122,332
Jul 1, 2021 18:53	Vitaliy F.	GO	Success	122,857
Jul 1, 2021 18:53	Vitaliy F.	GO	Success	122,295+0.32 RP
Jul 1, 2021 18:52	Vitaliy F.	GO	Success	135,252
Jul 1, 2021 18:49	Vitaliy F.	GO	Success	135,216
Jul 1, 2021 18:13	Vitaliy F.	GO	Success	123,022
Jul 1, 2021 18:10	Vitaliy F.	GO	Error

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