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 30, 2021 12:08	Vitaliy F.	GOgo1.17	Success	66,696
Aug 30, 2021 12:07	msifeed	RUSTrust-1.54.0	Success	323,169
Aug 30, 2021 12:07	Vitaliy F.	GOgo1.17	Success	64,007
Aug 30, 2021 12:03	Ilya Aniskovets	CPPg++9.3.0	Success	60,831
Aug 30, 2021 11:52	Ilya Aniskovets	CPPg++9.3.0	Success	58,004
Aug 30, 2021 11:51	msifeed	RUSTrust-1.54.0	Success	318,696+31.38 RP
Aug 30, 2021 11:50	msifeed	RUSTrust-1.55.0	Error
Aug 30, 2021 11:49	Ilya Aniskovets	CPPg++9.3.0	Error
Aug 30, 2021 11:48	Ilya Aniskovets	CPPg++9.3.0	Error
Aug 30, 2021 11:47	Ilya Aniskovets	CPPg++9.3.0	Error
Aug 30, 2021 11:46	msifeed	RUSTrust-1.55.0	Error
Aug 30, 2021 11:40	Ilya Aniskovets	CPPg++9.3.0	Success	78,371
Aug 30, 2021 11:40	Ilya Aniskovets	CPPg++9.3.0	Success	71,545
Aug 30, 2021 11:39	Ilya Aniskovets	CPPg++9.3.0	Success	67,545
Aug 30, 2021 11:36	Ilya Aniskovets	CPPg++9.3.0	Error
Aug 30, 2021 11:36	Ilya Aniskovets	CPPg++9.3.0	Error
Aug 30, 2021 11:35	Ilya Aniskovets	CPPg++9.3.0	Success	71,335
Aug 30, 2021 11:35	Ilya Aniskovets	CPPg++9.3.0	Success	71,246
Aug 30, 2021 11:33	Ilya Aniskovets	CPPg++9.3.0	Success	62,555
Aug 30, 2021 11:32	Ilya Aniskovets	CPPg++9.3.0	Success	62,626
Aug 30, 2021 11:30	Ilya Aniskovets	CPPg++9.3.0	Error
Aug 30, 2021 11:29	Ilya Aniskovets	CPPg++9.3.0	Error
Aug 30, 2021 11:29	Ilya Aniskovets	CPPg++9.3.0	Error
Aug 30, 2021 11:27	Ilya Aniskovets	CPPclang++10.0.0	Success	84,366
Aug 30, 2021 11:22	Ilya Aniskovets	CPPg++9.3.0	Success	62,617
Aug 30, 2021 11:21	Ilya Aniskovets	CPPg++9.3.0	Success	62,493
Aug 30, 2021 11:20	Ilya Aniskovets	CPPg++9.3.0	Success	61,895
Aug 30, 2021 11:16	Ilya Aniskovets	CPPg++9.3.0	Error
Aug 30, 2021 11:12	Artushkevich Sergey	CPPg++9.3.0	Success	1,648,133+6.07 RP
Aug 30, 2021 11:07	Ilya Aniskovets	CPPg++9.3.0	Error
Aug 30, 2021 11:07	Ilya Aniskovets	CPPg++9.3.0	Error
Aug 30, 2021 11:05	Ilya Aniskovets	CPPg++9.3.0	Error
Aug 30, 2021 11:04	Ilya Aniskovets	CPPg++9.3.0	Error
Aug 30, 2021 11:03	Ilya Aniskovets	CPPg++9.3.0	Success	68,623
Aug 30, 2021 11:02	Ilya Aniskovets	CPPg++9.3.0	Success	67,929
Aug 30, 2021 11:02	Ilya Aniskovets	CPPg++9.3.0	Error
Aug 30, 2021 11:01	Ilya Aniskovets	CPPg++9.3.0	Success	67,981
Aug 30, 2021 10:53	Ilya Aniskovets	CPPg++9.3.0	Success	68,090
Aug 30, 2021 10:52	Ilya Aniskovets	CPPclang++10.0.0	Error
Aug 30, 2021 10:51	Ilya Aniskovets	CPPclang++10.0.0	Error
Aug 30, 2021 10:49	Ilya Aniskovets	CPPclang++10.0.0	Success	76,550
Aug 30, 2021 10:49	Ilya Aniskovets	CPPg++9.3.0	Success	68,383
Aug 30, 2021 10:47	Ilya Aniskovets	CPPg++9.3.0	Error
Aug 30, 2021 10:45	Ilya Aniskovets	CPPg++9.3.0	Error
Aug 30, 2021 10:43	Ilya Aniskovets	CPPg++9.3.0	Success	63,388
Aug 30, 2021 10:42	Ilya Aniskovets	CPPg++9.3.0	Success	63,576
Aug 30, 2021 10:34	Ilya Aniskovets	CPPg++9.3.0	Error
Aug 30, 2021 10:32	Ilya Aniskovets	CPPg++9.3.0	Error
Aug 30, 2021 10:29	Ilya Aniskovets	CPPg++9.3.0	Error
Aug 30, 2021 10:17	Ilya Aniskovets	CPPg++9.3.0	Success	58,944
Aug 30, 2021 10:16	Ilya Aniskovets	CPPg++9.3.0	Error
Aug 30, 2021 10:15	Ilya Aniskovets	CPPg++9.3.0	Error
Aug 30, 2021 10:14	Ilya Aniskovets	CPPg++9.3.0	Success	64,408
Aug 30, 2021 10:09	Ilya Aniskovets	CPPg++9.3.0	Success	58,838
Aug 30, 2021 10:09	Ilya Aniskovets	CPPclang++10.0.0	Success	95,534
Aug 30, 2021 10:08	Ilya Aniskovets	CPPg++9.3.0	Success	58,364
Aug 30, 2021 10:08	Ilya Aniskovets	CPPg++9.3.0	Success	58,091
Aug 30, 2021 10:07	Ilya Aniskovets	CPPg++9.3.0	Success	57,988
Aug 30, 2021 10:07	Ilya Aniskovets	CPPg++9.3.0	Success	58,918
Aug 30, 2021 10:06	Ilya Aniskovets	CPPg++9.3.0	Success	58,953
Aug 30, 2021 10:06	Ilya Aniskovets	CPPg++9.3.0	Success	58,928
Aug 30, 2021 10:05	Ilya Aniskovets	CPPg++9.3.0	Success	57,909+0.27 RP
Aug 30, 2021 10:03	Ilya Aniskovets	CPPg++9.3.0	Success	64,591
Aug 30, 2021 10:02	Ilya Aniskovets	CPPg++9.3.0	Success	58,000+1.22 RP
Aug 30, 2021 09:49	Ilya Aniskovets	CPPg++9.3.0	Success	93,662
Aug 30, 2021 09:48	Ilya Aniskovets	CPPg++9.3.0	Success	113,388
Aug 30, 2021 09:46	Ilya Aniskovets	CPPg++9.3.0	Success	112,635
Aug 30, 2021 09:41	picul	CPPg++9.3.0	Error
Aug 30, 2021 09:40	picul	CPPg++9.3.0	Error
Aug 30, 2021 09:39	picul	CPPg++9.3.0	Error
Aug 30, 2021 09:37	picul	CPPg++9.3.0	Error
Aug 30, 2021 09:36	picul	CPPg++9.3.0	Error
Aug 30, 2021 09:29	picul	CPPg++9.3.0	Error
Aug 30, 2021 09:26	picul	CPPg++9.3.0	Error
Aug 30, 2021 09:25	Ilya Aniskovets	CPPg++9.3.0	Success	58,430
Aug 30, 2021 09:25	Ilya Aniskovets	CPPg++9.3.0	Success	58,413+66.11 RP
Aug 30, 2021 09:23	Ilya Aniskovets	CPPclang++10.0.0	Success	95,162+0.77 RP
Aug 30, 2021 09:21	Ilya Aniskovets	CPPclang++10.0.0	Success	95,956
Aug 30, 2021 09:21	Ilya Aniskovets	CPPclang++10.0.0	Error
Aug 30, 2021 09:21	Ilya Aniskovets	CPPclang++10.0.0	Success	95,860+25.02 RP
Aug 30, 2021 09:19	Ilya Aniskovets	CPPclang++10.0.0	Success	126,102+73.23 RP
Aug 30, 2021 09:19	picul	CPPg++9.3.0	Error
Aug 30, 2021 09:19	Ilya Aniskovets	CPPclang++10.0.0	Error
Aug 30, 2021 09:16	picul	CPPg++9.3.0	Error
Aug 30, 2021 08:38	picul	CPPg++9.3.0	Error
Aug 30, 2021 08:37	picul	CPPg++9.3.0	Error
Aug 30, 2021 08:30	Ilya Aniskovets	CPPg++9.3.0	Success	1,647,037+6.07 RP
Aug 30, 2021 08:29	Andrey Tsvetkov	GOgo1.17	Success	46,162+17.91 RP
Aug 30, 2021 08:29	cardid-zz	CPPclang++10.0.0	Error
Aug 30, 2021 08:28	picul	CPPg++9.3.0	Success	425,389+0.71 RP
Aug 30, 2021 08:25	picul	CPPg++9.3.0	Success	438,578+16.69 RP
Aug 30, 2021 08:24	cardid-zz	CPPclang++10.0.0	Success	1,631,796+6.13 RP
Aug 30, 2021 08:17	picul	CPPg++9.3.0	Success	1,637,634+0.01 RP
Aug 30, 2021 08:12	picul	CPPg++9.3.0	Success	1,641,648+6.09 RP
Aug 24, 2021 07:25	Ci	GOgo1.17	Success	364,300+27.45 RP
Aug 23, 2021 19:40	Aleksey Akulovich	GOgo1.16.5	Success	57,624+34.54 RP
Aug 23, 2021 19:05	Aleksey Akulovich	GOgo1.16.5	Success	80,435
Aug 23, 2021 19:04	Aleksey Akulovich	GOgo1.16.5	Success	76,553
Aug 23, 2021 19:03	Aleksey Akulovich	GOgo1.17	Success	78,064
Aug 23, 2021 19:03	Aleksey Akulovich	GOgo1.16.5	Success	76,541

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