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
Jun 8, 2025 08:25	limanjun99	CPPg++13.3.0	Success	48,492
Jun 7, 2025 09:33	limanjun99	CPPg++13.3.0	Success	48,836
Jun 7, 2025 09:32	limanjun99	CPPg++13.3.0	Success	58,960
Jun 7, 2025 09:27	limanjun99	CPPg++13.3.0	Error
Jun 7, 2025 09:26	limanjun99	CPPg++13.3.0	Error
Jun 7, 2025 09:21	limanjun99	CPPg++13.3.0	Error
Jun 7, 2025 09:19	limanjun99	CPPg++13.3.0	Success	63,225
Jun 7, 2025 09:14	limanjun99	CPPg++13.3.0	Success	74,262
Jun 7, 2025 09:03	limanjun99	CPPg++13.3.0	Success	46,473+1.86 RP
Jun 7, 2025 09:02	limanjun99	CPPg++13.3.0	Success	46,909
Jun 7, 2025 05:38	limanjun99	CPPg++13.3.0	Success	46,879+16.60 RP
Jun 7, 2025 05:34	limanjun99	CPPg++13.3.0	Success	50,836+4.24 RP
Jun 7, 2025 05:33	limanjun99	CPPg++13.3.0	Success	51,956+6.63 RP
Jun 7, 2025 05:33	limanjun99	CPPg++13.3.0	Success	53,811+14.85 RP
Jun 7, 2025 05:32	limanjun99	CPPg++13.3.0	Success	58,484+16.99 RP
Jun 7, 2025 05:31	limanjun99	CPPg++13.3.0	Success	66,637
Jun 5, 2025 15:22	limanjun99	CPPg++13.3.0	Success	83,626
Jun 5, 2025 13:56	limanjun99	CPPg++13.3.0	Success	88,011
Jun 5, 2025 13:47	limanjun99	CPPg++13.3.0	Success	64,990
Jun 5, 2025 13:46	limanjun99	CPPg++13.3.0	Success	64,936+20.77 RP
Jun 5, 2025 13:33	limanjun99	CPPg++13.3.0	Success	160,243
Jun 5, 2025 13:33	limanjun99	CPPg++13.3.0	Success	160,695
Jun 5, 2025 13:22	limanjun99	CPPg++13.3.0	Success	76,441
Jun 5, 2025 13:17	limanjun99	CPPg++13.3.0	Success	75,059+107.92 RP
Jun 5, 2025 13:01	limanjun99	CPPg++13.3.0	Success	395,066+25.31 RP
Jun 4, 2025 07:47	thatmagicalcat	RUSTrust-1.87.0	Success	52,532+0.33 RP
Jun 4, 2025 07:32	thatmagicalcat	RUSTrust-1.87.0	Success	52,622+11.80 RP
Jun 4, 2025 06:50	thatmagicalcat	RUSTrust-1.87.0	Error
Jun 4, 2025 06:50	Abhigyan Niranjan	CPPclang++18.1.3	Error
Jun 4, 2025 06:44	Abhigyan Niranjan	CPPclang++18.1.3	Error
Jun 4, 2025 06:36	The Blessed Machine	CPPclang++18.1.3	Error
Jun 4, 2025 06:35	The Blessed Machine	CPPg++13.3.0	Error
Jun 4, 2025 06:34	thatmagicalcat	RUSTrust-1.87.0	Success	56,105
Jun 4, 2025 06:32	thatmagicalcat	RUSTrust-1.87.0	Success	56,106+10.59 RP
Jun 4, 2025 06:28	thatmagicalcat	RUSTrust-1.87.0	Success	59,651+8.30 RP
Jun 4, 2025 06:28	Abhigyan Niranjan	CPPclang++18.1.3	Error
Jun 4, 2025 06:27	The Blessed Machine	CPPg++13.3.0	Error
Jun 4, 2025 06:25	The Blessed Machine	CPPclang++18.1.3	Error
Jun 4, 2025 06:23	The Blessed Machine	CPPclang++18.1.3	Error
Jun 4, 2025 06:22	Abhigyan Niranjan	CPPclang++18.1.3	Error
Jun 4, 2025 06:12	Abhigyan Niranjan	CPPg++13.3.0	Success	394,687+0.04 RP
Jun 4, 2025 06:05	Abhigyan Niranjan	CPPg++13.3.0	Success	395,316+20.46 RP
Jun 4, 2025 05:54	Abhigyan Niranjan	CPPg++13.3.0	Success	2,065,696+4.84 RP
Jun 4, 2025 05:48	thatmagicalcat	RUSTrust-1.87.0	Success	62,758+36.02 RP
Jun 4, 2025 05:13	thatmagicalcat	RUSTrust-1.87.0	Success	81,320
Jun 4, 2025 05:07	thatmagicalcat	RUSTrust-1.87.0	Success	81,091+10.17 RP
Jun 4, 2025 04:58	does it really matter?	CPPg++13.3.0	Success	2,066,375+4.84 RP
Jun 4, 2025 04:32	thatmagicalcat	RUSTrust-1.87.0	Success	88,378+8.65 RP
Jun 4, 2025 04:28	thatmagicalcat	RUSTrust-1.87.0	Success	95,691+2.61 RP
Jun 4, 2025 04:27	thatmagicalcat	RUSTrust-1.87.0	Error
Jun 4, 2025 04:19	thatmagicalcat	RUSTrust-1.87.0	Success	98,145+53.98 RP
Jun 4, 2025 03:47	thatmagicalcat	RUSTrust-1.87.0	Success	208,736+13.94 RP
Jun 3, 2025 19:47	thatmagicalcat	RUSTrust-1.87.0	Success	294,378+2.39 RP
Jun 3, 2025 19:44	thatmagicalcat	RUSTrust-1.87.0	Error
Jun 3, 2025 19:39	thatmagicalcat	RUSTrust-1.87.0	Success	317,351
Jun 3, 2025 19:37	thatmagicalcat	RUSTrust-1.87.0	Success	316,700+5.17 RP
Jun 3, 2025 19:18	thatmagicalcat	RUSTrust-1.87.0	Success	378,728+26.40 RP
Jun 2, 2025 14:50	Cadovvl	CPPg++13.3.0	Success	35,801
Jun 2, 2025 14:48	Cadovvl	CPPclang++18.1.3	Success	30,325+2.84 RP
Jun 2, 2025 13:18	Cadovvl	CPPclang++18.1.3	Success	2,068,030
Jun 1, 2025 01:38	Emanuele Bolognesi	CPPg++13.3.0	Success	67,961
May 31, 2025 17:21	Testing Prompts	CPPg++13.3.0	Error
May 31, 2025 15:30	Keefe	CPPclang++18.1.3	Success	19,121+3.40 RP
May 31, 2025 14:04	Emanuele Bolognesi	CPPg++13.3.0	Success	66,579
May 31, 2025 13:53	Emanuele Bolognesi	CPPg++13.3.0	Success	76,643
May 31, 2025 13:38	Emanuele Bolognesi	CPPg++13.3.0	Success	69,525
May 31, 2025 13:35	Emanuele Bolognesi	CPPg++13.3.0	Success	69,515
May 31, 2025 13:21	Emanuele Bolognesi	CPPg++13.3.0	Success	66,588
May 31, 2025 06:42	Keefe	CPPg++13.3.0	Error
May 31, 2025 03:05	Andrew Ashworth	CPPclang++18.1.3	Success	69,476
May 31, 2025 02:51	Andrew Ashworth	CPPclang++18.1.3	Success	69,357+53.98 RP
May 31, 2025 02:41	Andrew Ashworth	CPPclang++18.1.3	Error
May 31, 2025 02:39	Andrew Ashworth	CPPclang++18.1.3	Error
May 31, 2025 01:06	Andrew Ashworth	CPPclang++18.1.3	Success	111,354
May 31, 2025 01:05	Andrew Ashworth	CPPclang++18.1.3	Success	118,274
May 31, 2025 00:58	Andrew Ashworth	CPPclang++18.1.3	Success	110,857+66.61 RP
May 31, 2025 00:56	Andrew Ashworth	CPPclang++18.1.3	Error
May 31, 2025 00:53	Andrew Ashworth	CPPclang++18.1.3	Error
May 31, 2025 00:52	Andrew Ashworth	CPPclang++18.1.3	Error
May 30, 2025 00:52	Andrew Ashworth	CPPclang++18.1.3	Success	423,830+18.12 RP
May 30, 2025 00:48	Andrew Ashworth	CPPclang++18.1.3	Error
May 29, 2025 13:01	Gabriella	CPPclang++18.1.3	Success	90,504
May 29, 2025 12:59	Gabriella	CPPg++13.3.0	Success	62,324
May 29, 2025 12:58	Gabriella	CPPg++13.3.0	Success	61,631+0.02 RP
May 29, 2025 12:58	Gabriella	CPPg++13.3.0	Success	61,639+6.30 RP
May 29, 2025 12:55	Gabriella	CPPg++13.3.0	Success	64,131+13.82 RP
May 29, 2025 12:45	Gabriella	CPPg++13.3.0	Success	70,657
May 29, 2025 12:45	Gabriella	CPPg++13.3.0	Success	70,370+2.24 RP
May 29, 2025 12:38	Gabriella	CPPg++13.3.0	Success	71,499+120.95 RP
May 29, 2025 12:37	Gabriella	CPPg++13.3.0	Success	528,771+12.84 RP
May 29, 2025 05:18	NoSIMD_C#	CSHARP9.0.5	Success	62,126
May 28, 2025 17:07	T Pratham	CPPg++13.3.0	Success	34,267+1.94 RP
May 28, 2025 17:03	T Pratham	CPPg++13.3.0	Success	34,496+0.18 RP
May 26, 2025 18:47	Keefe	CPPg++13.3.0	Error
May 26, 2025 18:45	T Pratham	CPPg++13.3.0	Success	34,517+2.85 RP
May 26, 2025 17:52	E Sequeira	CPPclang++18.1.3	Success	174,125
May 26, 2025 17:51	E Sequeira	CPPclang++18.1.3	Success	178,976
May 26, 2025 17:49	E Sequeira	CPPclang++18.1.3	Error
May 25, 2025 23:00	Abhijit Raman	CPPg++13.3.0	Success	71,595
May 25, 2025 22:59	Abhijit Raman	CPPg++13.3.0	Error

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