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 19, 2022 09:17	spire-ffoston	RUSTrust-1.62.0	Success	375,833
Jul 19, 2022 09:16	spire-ffoston	RUSTrust-1.62.0	Success	360,940+1.27 RP
Jul 19, 2022 09:12	spire-ffoston	RUSTrust-1.62.0	Success	382,114
Jul 19, 2022 09:05	spire-ffoston	RUSTrust-1.62.0	Success	378,308+26.43 RP
Jul 19, 2022 08:46	Robert Burke	CPPg++9.3.0	Success	15,901
Jul 19, 2022 08:41	Jesper	GOgo1.18.4	Error
Jul 19, 2022 08:40	Jesper	GOgo1.18.4	Error
Jul 19, 2022 08:38	Jesper	GOgo1.18.4	Error
Jul 19, 2022 08:30	Jesper	GOgo1.18.4	Success	284,404+4.67 RP
Jul 19, 2022 08:02	Jesper	GOgo1.18.4	Error
Jul 19, 2022 08:01	Jesper	GOgo1.18.4	Error
Jul 19, 2022 07:59	Jesper	GOgo1.18.4	Success	327,937
Jul 19, 2022 07:56	Jesper	GOgo1.18.4	Success	327,948+30.49 RP
Jul 19, 2022 07:55	Jesper	GOgo1.18.4	Error
Jul 19, 2022 04:55	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jul 19, 2022 04:32	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jul 19, 2022 04:28	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jul 19, 2022 04:27	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jul 19, 2022 04:20	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jul 19, 2022 04:17	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jul 19, 2022 04:15	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jul 19, 2022 00:04	Simon Marache	RUSTrust-1.62.0	Error
Jul 19, 2022 00:00	Simon Marache	RUSTrust-1.62.0	Error
Jul 18, 2022 23:56	Simon Marache	RUSTrust-1.62.0	Error
Jul 18, 2022 23:44	Simon Marache	RUSTrust-1.62.0	Error
Jul 18, 2022 23:25	Simon Marache	RUSTrust-1.62.0	Success	70,588+44.76 RP
Jul 18, 2022 23:15	Simon Marache	RUSTrust-1.62.0	Success	103,187+5.90 RP
Jul 18, 2022 22:41	Simon Marache	RUSTrust-1.62.0	Success	109,919
Jul 18, 2022 22:40	Simon Marache	RUSTrust-1.62.0	Success	116,833
Jul 18, 2022 22:35	Simon Marache	RUSTrust-1.62.0	Success	109,880+2.51 RP
Jul 18, 2022 22:31	Simon Marache	RUSTrust-1.62.0	Success	115,252
Jul 18, 2022 22:29	Simon Marache	RUSTrust-1.62.0	Success	115,224
Jul 18, 2022 22:23	Simon Marache	RUSTrust-1.62.0	Success	112,992+33.66 RP
Jul 18, 2022 22:01	Simon Marache	RUSTrust-1.62.0	Success	182,333+0.05 RP
Jul 18, 2022 21:55	Simon Marache	RUSTrust-1.62.0	Success	183,109
Jul 18, 2022 21:53	Simon Marache	RUSTrust-1.62.0	Error
Jul 18, 2022 21:51	Simon Marache	RUSTrust-1.62.0	Error
Jul 18, 2022 21:51	Simon Marache	RUSTrust-1.62.0	Error
Jul 18, 2022 21:47	Simon Marache	RUSTrust-1.62.0	Error
Jul 18, 2022 21:29	Simon Marache	RUSTrust-1.62.0	Success	182,505+7.49 RP
Jul 18, 2022 21:22	Simon Marache	RUSTrust-1.62.0	Success	389,020
Jul 18, 2022 16:45	Simon Marache	RUSTrust-1.62.0	Success	211,422+47.30 RP
Jul 18, 2022 16:41	Simon Marache	RUSTrust-1.62.0	Error
Jul 18, 2022 16:09	Simon Marache	RUSTrust-1.62.0	Error
Jul 18, 2022 15:44	Simon Marache	RUSTrust-1.62.0	Error
Jul 18, 2022 15:16	Simon Marache	RUSTrust-1.62.0	Error
Jul 18, 2022 15:15	Simon Marache	RUSTrust-1.62.0	Error
Jul 18, 2022 14:53	Simon Marache	RUSTrust-1.62.0	Error
Jul 18, 2022 14:46	Simon Marache	RUSTrust-1.62.0	Error
Jul 18, 2022 13:18	Simon Marache	RUSTrust-1.62.0	Error
Jul 18, 2022 10:45	RemyB	CPPg++9.3.0	Success	67,190
Jul 18, 2022 10:37	RemyB	CPPg++9.3.0	Success	67,114
Jul 18, 2022 10:32	RemyB	CPPg++9.3.0	Success	68,995
Jul 18, 2022 10:31	RemyB	CPPg++9.3.0	Success	66,782+0.06 RP
Jul 18, 2022 10:30	RemyB	CPPg++9.3.0	Error
Jul 18, 2022 10:29	RemyB	CPPg++9.3.0	Error
Jul 18, 2022 10:26	RemyB	CPPg++9.3.0	Success	67,139
Jul 18, 2022 10:25	RemyB	CPPg++9.3.0	Error
Jul 18, 2022 10:25	RemyB	CPPg++9.3.0	Success	71,763
Jul 18, 2022 10:24	RemyB	CPPg++9.3.0	Success	67,651
Jul 18, 2022 10:23	RemyB	CPPg++9.3.0	Success	66,809+99.33 RP
Jul 18, 2022 10:19	RemyB	CPPg++9.3.0	Error
Jul 18, 2022 10:18	RemyB	CPPg++9.3.0	Error
Jul 18, 2022 10:16	RemyB	CPPg++9.3.0	Error
Jul 18, 2022 10:04	RemyB	CPPg++9.3.0	Success	198,623+0.67 RP
Jul 18, 2022 09:51	RemyB	CPPg++9.3.0	Success	202,503
Jul 18, 2022 09:39	RemyB	CPPg++9.3.0	Success	205,122
Jul 18, 2022 09:38	Simon Johansson	RUSTrust-1.62.0	Success	387,785
Jul 18, 2022 09:38	RemyB	CPPg++9.3.0	Success	202,767
Jul 18, 2022 09:36	RemyB	CPPg++9.3.0	Success	202,555
Jul 18, 2022 09:36	Simon Johansson	RUSTrust-1.62.0	Error
Jul 18, 2022 09:36	Simon Johansson	RUSTrust-1.62.0	Success	382,230+26.16 RP
Jul 18, 2022 09:23	RemyB	CPPg++9.3.0	Success	201,758
Jul 18, 2022 09:21	RemyB	CPPg++9.3.0	Success	203,135
Jul 18, 2022 09:20	RemyB	CPPg++9.3.0	Error
Jul 18, 2022 09:09	RemyB	CPPg++9.3.0	Success	201,299+43.59 RP
Jul 18, 2022 08:56	RemyB	CPPg++9.3.0	Success	1,642,051+6.09 RP
Jul 16, 2022 19:21	POCCOMAXA	GOgo1.18.4	Success	383,960+26.04 RP
Jul 16, 2022 17:05	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jul 16, 2022 13:12	Robert Burke	CPPg++9.3.0	Success	8,298
Jul 16, 2022 13:09	Robert Burke	CPPg++9.3.0	Success	8,252
Jul 16, 2022 05:53	Yuriy Lyfenko	CPPclang++10.0.0	Success	11,799
Jul 16, 2022 05:52	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jul 16, 2022 05:50	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jul 16, 2022 05:50	Yuriy Lyfenko	CPPclang++10.0.0	Success	11,972
Jul 16, 2022 05:49	Yuriy Lyfenko	CPPclang++10.0.0	Success	11,955
Jul 16, 2022 05:47	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jul 16, 2022 05:46	Yuriy Lyfenko	CPPclang++10.0.0	Success	11,763
Jul 16, 2022 05:44	Yuriy Lyfenko	CPPclang++10.0.0	Success	11,792
Jul 16, 2022 05:43	Yuriy Lyfenko	CPPclang++10.0.0	Success	11,213+0.08 RP
Jul 16, 2022 05:41	Yuriy Lyfenko	CPPclang++10.0.0	Success	11,216
Jul 16, 2022 05:40	Yuriy Lyfenko	CPPclang++10.0.0	Success	11,214+0.24 RP
Jul 16, 2022 03:31	Yuriy Lyfenko	CPPclang++10.0.0	Success	11,217+9.20 RP
Jul 16, 2022 03:30	Yuriy Lyfenko	CPPclang++10.0.0	Success	11,794
Jul 16, 2022 02:19	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jul 16, 2022 02:17	Yuriy Lyfenko	CPPclang++10.0.0	Success	12,031
Jul 16, 2022 02:08	Yuriy Lyfenko	CPPclang++10.0.0	Success	11,369
Jul 16, 2022 01:54	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jul 16, 2022 01:32	Yuriy Lyfenko	CPPclang++10.0.0	Success	13,424
Jul 16, 2022 00:44	Yuriy Lyfenko	CPPclang++10.0.0	Success	13,415

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