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
Apr 19, 2025 11:02	NoSIMD_C#	CPPclang++18.1.3	Success	50,103
Apr 18, 2025 08:15	Chandrasekaran Akash	CPPclang++18.1.3	Success	1,827,589+5.47 RP
Apr 16, 2025 18:18	Aleksey Shvets	GOgo1.24.2	Success	265,185+37.71 RP
Apr 16, 2025 00:03	pavolkoman	CSHARP8.0.15	Success	1,418,610
Apr 16, 2025 00:01	pavolkoman	CSHARP8.0.15	Success	1,460,894
Apr 15, 2025 23:57	pavolkoman	CSHARP8.0.15	Success	1,454,508
Apr 15, 2025 23:54	pavolkoman	CSHARP8.0.15	Success	365,095+27.39 RP
Apr 15, 2025 23:54	pavolkoman	CSHARP8.0.15	Error
Apr 15, 2025 23:50	pavolkoman	CSHARP8.0.15	Error
Apr 15, 2025 23:46	pavolkoman	CSHARP8.0.15	Error
Apr 15, 2025 23:03	mounalisaaa	CPPclang++18.1.3	Success	1,823,512+5.48 RP
Apr 15, 2025 22:54	k1	CPPclang++18.1.3	Success	58,509+0.02 RP
Apr 15, 2025 22:53	k1	CPPclang++18.1.3	Success	81,992
Apr 15, 2025 22:49	k1	CPPclang++18.1.3	Success	58,515+20.37 RP
Apr 15, 2025 22:47	Param	CPPclang++18.1.3	Success	1,320,931+7.57 RP
Apr 15, 2025 22:44	k1	CPPclang++18.1.3	Success	66,434+129.94 RP
Apr 15, 2025 22:43	k1	CPPclang++18.1.3	Success	485,682+0.08 RP
Apr 15, 2025 22:39	k1	CPPclang++18.1.3	Success	487,518+20.51 RP
Apr 15, 2025 13:51	Michael C	CPPclang++18.1.3	Error
Apr 15, 2025 13:24	Michael C	CPPclang++18.1.3	Success	1,826,390+5.48 RP
Apr 15, 2025 13:19	Michael C	CPPclang++18.1.3	Error
Apr 13, 2025 17:09	ssssobek	CPPg++13.2.0	Success	163,052+61.33 RP
Apr 13, 2025 16:48	ssssobek	ZIG0.14.0	Error
Apr 13, 2025 16:46	ssssobek	ZIG0.14.0	Error
Apr 13, 2025 13:22	Emanuele Bolognesi	RUSTrust-1.86.0	Success	89,062+86.03 RP
Apr 11, 2025 05:09	NoSIMD_C#	CSHARP9.0.4	Error
Apr 11, 2025 05:07	NoSIMD_C#	CSHARP9.0.4	Error
Apr 10, 2025 17:09	RGBCube	RUSTrust-1.86.0	Success	142,912+69.97 RP
Apr 10, 2025 17:08	RGBCube	RUSTrust-1.86.0	Error
Apr 10, 2025 17:07	RGBCube	RUSTrust-1.86.0	Error
Apr 10, 2025 17:06	RGBCube	RUSTrust-1.86.0	Error
Apr 10, 2025 17:05	RGBCube	RUSTrust-1.86.0	Error
Apr 10, 2025 11:48	NoSIMD_C#	CSHARP9.0.4	Error
Apr 10, 2025 11:45	NoSIMD_C#	CSHARP9.0.4	Error
Apr 10, 2025 11:41	NoSIMD_C#	CSHARP9.0.4	Error
Apr 10, 2025 11:31	NoSIMD_C#	CSHARP9.0.4	Error
Apr 10, 2025 11:15	NoSIMD_C#	CSHARP9.0.4	Error
Apr 10, 2025 11:13	NoSIMD_C#	CSHARP9.0.4	Error
Apr 10, 2025 11:05	NoSIMD_C#	CSHARP9.0.4	Error
Apr 10, 2025 11:05	NoSIMD_C#	CSHARP9.0.4	Error
Apr 10, 2025 10:48	NoSIMD_C#	CSHARP9.0.4	Error
Apr 10, 2025 10:44	NoSIMD_C#	CSHARP9.0.4	Error
Apr 10, 2025 10:41	NoSIMD_C#	CSHARP9.0.4	Error
Apr 9, 2025 17:32	NoSIMD_C#	CSHARP9.0.4	Success	64,869
Apr 8, 2025 14:36	NoSIMD_C#	CPPg++13.2.0	Success	57,182
Apr 8, 2025 08:54	NoSIMD_C#	CSHARP9.0.3	Success	64,880
Apr 8, 2025 08:52	NoSIMD_C#	CSHARP9.0.3	Success	64,737
Apr 8, 2025 07:18	NoSIMD_C#	CPPg++13.2.0	Success	69,152
Apr 8, 2025 07:17	NoSIMD_C#	CPPclang++18.1.3	Success	50,198
Apr 7, 2025 13:12	SainavaneetM	CPPclang++18.1.3	Error
Apr 7, 2025 10:52	Aaron	CPPclang++18.1.3	Success	1,826,970+5.47 RP
Apr 6, 2025 04:25	NoSIMD_C#	CSHARP9.0.3	Success	66,795
Apr 4, 2025 05:43	NoSIMD_C#	CPPclang++18.1.3	Success	50,100
Apr 3, 2025 07:44	Kavya Chopra	CPPclang++18.1.3	Success	1,827,350+5.47 RP
Apr 2, 2025 17:53	ndren	CPPg++13.2.0	Error
Apr 2, 2025 17:52	ndren	CPPg++13.2.0	Success	75,910
Apr 2, 2025 17:48	ndren	CPPg++13.2.0	Success	59,233+21.88 RP
Apr 2, 2025 17:47	ndren	CPPg++13.2.0	Success	68,051+18.56 RP
Apr 2, 2025 17:46	ndren	CPPg++13.2.0	Error
Apr 2, 2025 17:44	ndren	CPPg++13.2.0	Success	78,518
Apr 2, 2025 17:43	ndren	CPPg++13.2.0	Success	77,891+1.84 RP
Apr 2, 2025 17:41	ndren	CPPclang++18.1.3	Success	86,683
Apr 2, 2025 17:40	ndren	CPPg++9.4.0	Success	79,022+51.90 RP
Apr 2, 2025 17:32	ndren	CPPg++9.4.0	Error
Apr 1, 2025 11:50	Dmitrii Kravchenko	CPPclang++18.1.3	Success	50,121
Apr 1, 2025 09:54	Dmitrii Kravchenko	CPPclang++18.1.3	Success	51,784
Apr 1, 2025 09:52	Dmitrii Kravchenko	CPPclang++18.1.3	Error
Apr 1, 2025 09:50	Dmitrii Kravchenko	CPPclang++18.1.3	Success	61,215
Apr 1, 2025 09:49	Dmitrii Kravchenko	CPPclang++18.1.3	Error
Apr 1, 2025 09:21	Dmitrii Kravchenko	CPPclang++18.1.3	Success	75,464
Apr 1, 2025 09:15	Dmitrii Kravchenko	CPPclang++18.1.3	Success	75,461
Mar 31, 2025 19:26	Dmitrii Kravchenko	CPPclang++18.1.3	Success	69,177
Mar 31, 2025 19:25	Dmitrii Kravchenko	CPPclang++18.1.3	Success	71,171
Mar 31, 2025 14:49	Dmitrii Kravchenko	CPPclang++18.1.3	Success	68,367
Mar 31, 2025 14:43	Dmitrii Kravchenko	CPPclang++18.1.3	Success	70,559
Mar 31, 2025 12:45	Dmitrii Kravchenko	CPPclang++18.1.3	Error
Mar 30, 2025 21:53	Dmitrii Kravchenko	CPPclang++18.1.3	Error
Mar 30, 2025 21:49	Dmitrii Kravchenko	CPPclang++18.1.3	Success	56,577
Mar 30, 2025 21:17	Dmitrii Kravchenko	CPPclang++18.1.3	Success	49,078
Mar 30, 2025 21:13	Dmitrii Kravchenko	CPPclang++18.1.3	Success	62,899
Mar 30, 2025 21:11	Dmitrii Kravchenko	CPPclang++18.1.3	Error
Mar 30, 2025 21:08	Dmitrii Kravchenko	CPPclang++18.1.3	Error
Mar 30, 2025 21:04	Dmitrii Kravchenko	CPPclang++18.1.3	Error
Mar 30, 2025 19:39	Dmitrii Kravchenko	CPPclang++18.1.3	Success	67,239
Mar 30, 2025 19:35	Dmitrii Kravchenko	CPPclang++18.1.3	Success	69,817
Mar 30, 2025 07:23	Emanuele Bolognesi	RUSTrust-1.85.1	Success	381,005+1.17 RP
Mar 29, 2025 21:13	Dmitrii Kravchenko	CPPclang++18.1.3	Success	45,337
Mar 29, 2025 21:01	Dmitrii Kravchenko	CPPclang++18.1.3	Success	45,593
Mar 29, 2025 01:49	Emanuele Bolognesi	RUSTrust-1.85.1	Success	398,833+25.07 RP
Mar 28, 2025 10:13	NoSIMD_C#	CSHARP9.0.3	Success	64,880
Mar 28, 2025 10:12	NoSIMD_C#	CSHARP9.0.3	Success	64,980
Mar 27, 2025 02:04	Steve Bronder	CPPclang++18.1.3	Success	116,397+80.44 RP
Mar 27, 2025 01:36	Steve Bronder	CPPclang++18.1.3	Error
Mar 25, 2025 22:12	Drew Garcia	CPPclang++18.1.3	Success	65,271
Mar 25, 2025 22:08	Drew Garcia	CPPclang++18.1.3	Success	59,030
Mar 24, 2025 15:10	Foo Chuan Le, Nicholas	CPPclang++18.1.3	Success	1,833,555
Mar 24, 2025 15:10	Foo Chuan Le, Nicholas	CPPg++13.2.0	Success	1,830,209
Mar 24, 2025 14:57	Foo Chuan Le, Nicholas	CPPclang++18.1.3	Error
Mar 24, 2025 14:56	Foo Chuan Le, Nicholas	CPPclang++18.1.3	Success	1,828,208+5.47 RP
Mar 23, 2025 17:25	Alexander Kosachev	ZIG0.14.0	Success	53,904+0.26 RP

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