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	1:20.1.2-0ubuntu1~24.04.2	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.
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	3.0.13-0ubuntu3.9	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
Feb 12, 2025 21:39	Miguel Rodrigues Carrilho Borges	CPPclang++18.1.3	Success	62,236+28.28 RP
Feb 12, 2025 21:35	Miguel Rodrigues Carrilho Borges	CPPclang++18.1.3	Success	75,528+3.19 RP
Feb 12, 2025 14:04	Code Hints	RUSTrust-1.84.1	Error
Feb 12, 2025 14:01	Code Hints	RUSTrust-1.84.1	Error
Feb 12, 2025 10:34	xupeng101223	CPPclang++18.1.3	Success	1,883,761+5.31 RP
Feb 12, 2025 06:06	NoSIMD_C#	CPPclang++18.1.3	Error
Feb 12, 2025 06:03	NoSIMD_C#	CPPclang++18.1.3	Success	1,228,265
Feb 12, 2025 05:55	NoSIMD_C#	CPPclang++18.1.3	Error
Feb 12, 2025 05:48	NoSIMD_C#	CPPclang++18.1.3	Error
Feb 12, 2025 05:43	NoSIMD_C#	CPPclang++18.1.3	Error
Feb 12, 2025 05:38	NoSIMD_C#	CPPclang++18.1.3	Error
Feb 12, 2025 01:26	Miguel Rodrigues Carrilho Borges	CPPclang++18.1.3	Success	77,393+2.84 RP
Feb 12, 2025 01:23	Miguel Rodrigues Carrilho Borges	CPPclang++18.1.3	Success	79,135+2.27 RP
Feb 12, 2025 01:22	Miguel Rodrigues Carrilho Borges	CPPclang++18.1.3	Error
Feb 12, 2025 01:20	Miguel Rodrigues Carrilho Borges	CPPclang++18.1.3	Error
Feb 12, 2025 01:16	Miguel Rodrigues Carrilho Borges	CPPclang++18.1.3	Error
Feb 12, 2025 01:15	Miguel Rodrigues Carrilho Borges	CPPclang++18.1.3	Error
Feb 12, 2025 01:14	Miguel Rodrigues Carrilho Borges	CPPclang++18.1.3	Error
Feb 12, 2025 01:01	Miguel Rodrigues Carrilho Borges	CPPclang++18.1.3	Error
Feb 12, 2025 00:58	Miguel Rodrigues Carrilho Borges	CPPclang++18.1.3	Error
Feb 12, 2025 00:56	Miguel Rodrigues Carrilho Borges	CPPclang++18.1.3	Error
Feb 12, 2025 00:55	Miguel Rodrigues Carrilho Borges	CPPclang++18.1.3	Error
Feb 12, 2025 00:52	Miguel Rodrigues Carrilho Borges	CPPclang++18.1.3	Error
Feb 12, 2025 00:50	Miguel Rodrigues Carrilho Borges	CPPclang++18.1.3	Error
Feb 12, 2025 00:12	Miguel Rodrigues Carrilho Borges	CPPclang++18.1.3	Success	80,580+118.63 RP
Feb 12, 2025 00:10	Miguel Rodrigues Carrilho Borges	CPPclang++18.1.3	Error
Feb 11, 2025 23:50	Miguel Rodrigues Carrilho Borges	CPPclang++18.1.3	Error
Feb 11, 2025 23:26	Miguel Rodrigues Carrilho Borges	CPPclang++18.1.3	Success	1,829,713+5.47 RP
Feb 11, 2025 21:08	Neo	CPPclang++18.1.3	Error
Feb 11, 2025 21:08	Neo	CPPg++13.2.0	Success	33,351
Feb 11, 2025 21:08	Neo	CPPg++13.2.0	Error
Feb 11, 2025 21:07	Neo	CPPg++13.2.0	Success	33,372
Feb 11, 2025 20:57	Neo	CPPg++13.2.0	Success	33,428
Feb 11, 2025 20:53	Neo	CPPg++13.2.0	Error
Feb 11, 2025 08:09	Gabriella	CPPclang++18.1.3	Success	1,843,758
Feb 11, 2025 08:08	Gabriella	CPPg++13.2.0	Success	1,821,940
Feb 11, 2025 08:08	Gabriella	CPPg++13.2.0	Error
Feb 11, 2025 08:08	Gabriella	CPPclang++18.1.3	Error
Feb 11, 2025 08:07	Gabriella	CPPclang++18.1.3	Error
Feb 10, 2025 22:20	Neo	CPPg++13.2.0	Success	33,413
Feb 10, 2025 22:14	Neo	CPPg++13.2.0	Success	34,245
Feb 10, 2025 22:03	Neo	CPPg++13.2.0	Success	55,437
Feb 10, 2025 18:17	Neo	CPPg++13.2.0	Success	33,219+97.82 RP
Feb 10, 2025 12:28	Code Hints	RUSTrust-1.84.1	Error
Feb 10, 2025 12:24	Code Hints	RUSTrust-1.84.1	Error
Feb 10, 2025 11:45	Code Hints	RUSTrust-1.84.1	Error
Feb 10, 2025 11:44	Code Hints	RUSTrust-1.84.1	Error
Feb 10, 2025 06:57	NoSIMD_C#	CPPclang++18.1.3	Success	50,066+0.06 RP
Feb 10, 2025 06:56	NoSIMD_C#	CPPclang++18.1.3	Success	50,081
Feb 10, 2025 02:05	natsupercell	CPPclang++18.1.3	Success	1,826,011+5.48 RP
Feb 9, 2025 20:43	alxmrcktr	RUSTrust-1.84.1	Success	215,276+1.04 RP
Feb 9, 2025 20:33	alxmrcktr	RUSTrust-1.84.1	Success	220,212+19.62 RP
Feb 9, 2025 18:32	alxmrcktr	RUSTrust-1.84.1	Success	387,736+25.79 RP
Feb 9, 2025 02:20	Code Hints	RUSTrust-1.84.1	Success	119,302
Feb 9, 2025 02:08	Code Hints	RUSTrust-1.84.1	Success	72,766
Feb 9, 2025 01:52	Code Hints	RUSTrust-1.84.1	Error
Feb 9, 2025 01:32	Code Hints	RUSTrust-1.84.1	Success	72,764+137.43 RP
Feb 9, 2025 01:30	Code Hints	RUSTrust-1.84.1	Error
Feb 9, 2025 00:49	Code Hints	RUSTrust-1.84.1	Error
Feb 9, 2025 00:44	Code Hints	RUSTrust-1.84.1	Error
Feb 9, 2025 00:43	Code Hints	RUSTrust-1.84.1	Error
Feb 9, 2025 00:37	Code Hints	RUSTrust-1.84.1	Error
Feb 9, 2025 00:36	Code Hints	RUSTrust-1.84.1	Error
Feb 7, 2025 13:22	Dmitrii Vasilev	CPPg++13.2.0	Success	1,829,138
Feb 7, 2025 13:21	Dmitrii Vasilev	CPPg++13.2.0	Error
Feb 7, 2025 04:20	Dave Gunawan	CPPg++13.2.0	Error
Feb 7, 2025 04:17	Dave Gunawan	CPPg++13.2.0	Error
Feb 7, 2025 04:15	Dave Gunawan	CPPg++13.2.0	Error
Feb 7, 2025 04:07	Dave Gunawan	CPPg++13.2.0	Error
Feb 7, 2025 04:06	Dave Gunawan	CPPg++13.2.0	Error
Feb 7, 2025 03:53	Dave Gunawan	CPPg++13.2.0	Success	1,822,641+0.01 RP
Feb 7, 2025 03:47	Dave Gunawan	CPPg++13.2.0	Success	1,826,753+5.47 RP
Feb 6, 2025 14:08	mebowler	GOgo1.22.0	Error
Feb 6, 2025 14:06	mebowler	GOgo1.22.0	Error
Feb 6, 2025 14:03	mebowler	GOgo1.22.0	Error
Feb 6, 2025 14:02	mebowler	GOgo1.22.0	Error
Feb 6, 2025 13:54	mebowler	GOgo1.22.0	Success	89,941
Feb 6, 2025 13:52	mebowler	GOgo1.22.0	Success	124,639
Feb 6, 2025 12:27	Vladimir Evmenov	CPPclang++18.1.3	Success	70,771
Feb 6, 2025 12:25	Vladimir Evmenov	CPPclang++18.1.3	Success	100,242
Feb 6, 2025 12:14	Vladimir Evmenov	CPPclang++18.1.3	Success	64,168+130.23 RP
Feb 6, 2025 10:20	E Sequeira	GOgo1.23.3	Error
Feb 6, 2025 10:19	E Sequeira	GOgo1.23.3	Error
Feb 6, 2025 10:17	E Sequeira	GOgo1.23.3	Error
Feb 6, 2025 10:16	E Sequeira	GOgo1.23.3	Success	116,686
Feb 6, 2025 10:15	E Sequeira	GOgo1.23.3	Success	114,160
Feb 6, 2025 10:14	E Sequeira	GOgo1.23.3	Success	114,963
Feb 6, 2025 10:12	E Sequeira	GOgo1.23.3	Error
Feb 6, 2025 10:08	E Sequeira	GOgo1.23.3	Success	107,569
Feb 6, 2025 10:07	E Sequeira	GOgo1.23.3	Success	108,039
Feb 6, 2025 10:06	E Sequeira	GOgo1.23.3	Success	110,444
Feb 6, 2025 10:05	E Sequeira	GOgo1.23.3	Success	111,692
Feb 6, 2025 10:03	E Sequeira	GOgo1.23.3	Error
Feb 6, 2025 10:00	E Sequeira	GOgo1.23.3	Error
Feb 6, 2025 09:56	E Sequeira	CPPclang++18.1.3	Error
Feb 6, 2025 09:53	E Sequeira	CPPclang++18.1.3	Success	65,306
Feb 6, 2025 09:53	E Sequeira	CPPclang++18.1.3	Success	65,278
Feb 6, 2025 09:52	E Sequeira	CPPclang++18.1.3	Success	65,190
Feb 6, 2025 09:52	E Sequeira	CPPclang++18.1.3	Success	65,202
Feb 6, 2025 09:51	E Sequeira	CPPclang++18.1.3	Success	67,166

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