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
Aug 2, 2022 12:39	Elvir Crnčević	CPPclang++10.0.0	Success	450,270
Aug 2, 2022 12:34	Elvir Crnčević	CPPg++9.3.0	Success	450,122+16.13 RP
Aug 2, 2022 12:34	Elvir Crnčević	CPPg++9.3.0	Error
Aug 2, 2022 12:32	Elvir Crnčević	CPPg++9.3.0	Success	1,644,236+6.08 RP
Aug 2, 2022 10:56	Eugene Zhydzetski	GOgo1.18.5	Success	158,915
Aug 2, 2022 10:54	Eugene Zhydzetski	GOgo1.18.5	Success	151,950+4.56 RP
Aug 2, 2022 10:49	Eugene Zhydzetski	GOgo1.18.5	Success	165,229
Aug 2, 2022 10:47	Eugene Zhydzetski	GOgo1.18.5	Success	163,272+0.01 RP
Aug 2, 2022 10:45	Eugene Zhydzetski	GOgo1.18.4	Success	163,302+0.42 RP
Aug 2, 2022 10:44	Eugene Zhydzetski	GOgo1.18.4	Success	173,842
Aug 2, 2022 10:24	Eugene Zhydzetski	GOgo1.18.4	Success	164,419+1.03 RP
Aug 2, 2022 09:46	Eugene Zhydzetski	GOgo1.18.4	Success	167,263
Aug 1, 2022 23:04	Eugene Zhydzetski	GOgo1.18.4	Success	167,242+1.46 RP
Aug 1, 2022 20:20	Eugene Zhydzetski	GOgo1.18.4	Success	171,425+13.47 RP
Aug 1, 2022 18:57	Eugene Zhydzetski	GOgo1.18.4	Success	278,119
Aug 1, 2022 18:57	Eugene Zhydzetski	GOgo1.18.4	Success	263,406
Jul 31, 2022 20:11	Eugene Zhydzetski	GOgo1.18.4	Success	266,676
Jul 31, 2022 19:58	Eugene Zhydzetski	CPPg++9.3.0	Success	1,641,774
Jul 31, 2022 19:57	Eugene Zhydzetski	RUSTrust-1.62.0	Success	383,316
Jul 31, 2022 19:32	Eugene Zhydzetski	GOgo1.18.4	Success	281,127
Jul 31, 2022 19:31	Eugene Zhydzetski	GOgo1.18.4	Success	274,065
Jul 31, 2022 16:01	Yuriy Lyfenko	CPPclang++10.0.0	Success	7,620+8.58 RP
Jul 31, 2022 15:56	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jul 31, 2022 15:55	Yuriy Lyfenko	CPPclang++10.0.0	Success	7,645+1.02 RP
Jul 31, 2022 15:50	Yuriy Lyfenko	CPPclang++10.0.0	Success	10,693
Jul 31, 2022 13:53	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jul 31, 2022 13:52	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jul 31, 2022 13:51	Yuriy Lyfenko	CPPclang++10.0.0	Success	7,709
Jul 31, 2022 13:51	Yuriy Lyfenko	CPPclang++10.0.0	Success	7,691
Jul 31, 2022 13:50	Yuriy Lyfenko	CPPclang++10.0.0	Success	7,727
Jul 31, 2022 03:39	Robert Burke	CPPg++9.3.0	Success	8,147
Jul 31, 2022 03:39	Robert Burke	CPPg++9.3.0	Success	8,153
Jul 31, 2022 03:38	Robert Burke	CPPg++9.3.0	Error
Jul 31, 2022 03:37	Robert Burke	CPPg++9.3.0	Error
Jul 31, 2022 03:35	Robert Burke	CPPg++9.3.0	Success	8,220
Jul 31, 2022 03:34	Robert Burke	CPPg++9.3.0	Error
Jul 31, 2022 03:34	Robert Burke	CPPg++9.3.0	Success	8,136+2.56 RP
Jul 31, 2022 03:33	Robert Burke	CPPg++9.3.0	Success	8,263
Jul 31, 2022 03:32	Robert Burke	CPPg++9.3.0	Error
Jul 30, 2022 18:46	Robert Burke	CPPg++9.3.0	Error
Jul 30, 2022 17:24	Robert Burke	CPPg++9.3.0	Error
Jul 30, 2022 17:23	Robert Burke	CPPg++9.3.0	Success	8,182
Jul 30, 2022 17:21	Robert Burke	CPPg++9.3.0	Success	8,180
Jul 30, 2022 17:20	Robert Burke	CPPg++9.3.0	Success	8,189
Jul 30, 2022 17:19	Robert Burke	CPPg++9.3.0	Success	8,207
Jul 30, 2022 16:17	Robert Burke	CPPg++9.3.0	Error
Jul 30, 2022 16:16	Robert Burke	CPPg++9.3.0	Error
Jul 30, 2022 16:13	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jul 30, 2022 16:12	Yuriy Lyfenko	CPPclang++10.0.0	Success	7,652
Jul 30, 2022 16:11	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jul 30, 2022 16:10	Yuriy Lyfenko	CPPclang++10.0.0	Success	8,348
Jul 30, 2022 16:09	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jul 30, 2022 16:07	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jul 30, 2022 16:06	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jul 30, 2022 16:04	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jul 30, 2022 16:02	Yuriy Lyfenko	CPPclang++10.0.0	Success	10,653
Jul 30, 2022 15:59	Yuriy Lyfenko	CPPclang++10.0.0	Success	8,025
Jul 30, 2022 15:52	Yuriy Lyfenko	CPPclang++10.0.0	Success	7,648+119.44 RP
Jul 30, 2022 15:47	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jul 30, 2022 15:46	Yuriy Lyfenko	CPPclang++10.0.0	Success	8,046
Jul 30, 2022 15:45	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jul 30, 2022 15:43	Yuriy Lyfenko	CPPclang++10.0.0	Success	8,014+254.58 RP
Jul 30, 2022 15:42	Yuriy Lyfenko	CPPg++9.3.0	Success	9,857
Jul 30, 2022 15:41	Yuriy Lyfenko	CPPg++9.3.0	Success	9,922
Jul 30, 2022 15:39	Yuriy Lyfenko	CPPg++9.3.0	Success	9,889
Jul 30, 2022 15:38	Yuriy Lyfenko	CPPg++9.3.0	Success	10,000
Jul 30, 2022 15:38	Yuriy Lyfenko	CPPg++9.3.0	Success	9,928
Jul 30, 2022 15:36	Yuriy Lyfenko	CPPg++9.3.0	Success	9,857+122.69 RP
Jul 29, 2022 22:41	Yuriy Lyfenko	CPPg++9.3.0	Success	14,632
Jul 29, 2022 18:27	Eugene Zhydzetski	GOgo1.18.4	Error
Jul 29, 2022 18:24	Eugene Zhydzetski	GOgo1.18.4	Error
Jul 29, 2022 18:21	Eugene Zhydzetski	GOgo1.18.4	Error
Jul 29, 2022 18:19	Eugene Zhydzetski	GOgo1.18.4	Error
Jul 29, 2022 18:14	Eugene Zhydzetski	GOgo1.18.4	Error
Jul 29, 2022 18:13	Eugene Zhydzetski	GOgo1.18.4	Error
Jul 29, 2022 18:11	Eugene Zhydzetski	GOgo1.18.4	Error
Jul 29, 2022 18:10	Eugene Zhydzetski	GOgo1.18.4	Error
Jul 29, 2022 17:45	Eugene Zhydzetski	GOgo1.18.4	Success	222,879+2.21 RP
Jul 29, 2022 17:44	Eugene Zhydzetski	GOgo1.18.4	Error
Jul 29, 2022 15:10	Eugene Zhydzetski	GOgo1.18.4	Error
Jul 29, 2022 14:42	Eugene Zhydzetski	GOgo1.18.4	Success	234,435+10.45 RP
Jul 29, 2022 12:37	Eugene Zhydzetski	GOgo1.18.4	Success	346,800
Jul 29, 2022 12:18	Eugene Zhydzetski	GOgo1.18.4	Error
Jul 29, 2022 12:12	Eugene Zhydzetski	GOgo1.18.4	Success	310,514+6.02 RP
Jul 29, 2022 08:05	Eugene Zhydzetski	GOgo1.18.4	Success	381,943+0.14 RP
Jul 29, 2022 07:40	Eugene Zhydzetski	GOgo1.18.4	Success	383,952+26.04 RP
Jul 29, 2022 03:38	Robert Burke	CPPg++9.3.0	Error
Jul 26, 2022 00:03	deniskolsanov	RUSTrust-1.61.0	Success	322,246
Jul 25, 2022 23:59	deniskolsanov	RUSTrust-1.61.0	Success	86,363
Jul 25, 2022 19:54	deniskolsanov	RUSTrust-1.61.0	Success	76,482
Jul 25, 2022 18:34	deniskolsanov	RUSTrust-1.62.0	Success	76,470+26.37 RP
Jul 25, 2022 18:02	deniskolsanov	RUSTrust-1.62.0	Success	95,786+5.01 RP
Jul 25, 2022 18:01	deniskolsanov	RUSTrust-1.62.0	Success	100,610+69.09 RP
Jul 25, 2022 17:57	deniskolsanov	RUSTrust-1.62.0	Error
Jul 25, 2022 17:55	deniskolsanov	RUSTrust-1.62.0	Error
Jul 25, 2022 17:53	deniskolsanov	RUSTrust-1.62.0	Error
Jul 25, 2022 17:52	deniskolsanov	RUSTrust-1.62.0	Error
Jul 25, 2022 17:45	deniskolsanov	RUSTrust-1.62.0	Error
Jul 25, 2022 17:32	deniskolsanov	RUSTrust-1.62.0	Success	329,974+3.88 RP
Jul 25, 2022 17:28	Yuriy Lyfenko	CPPg++9.3.0	Success	14,636

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