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 24, 2025 18:12	Dmitry Yudakov	CSHARP9.0.0-preview.7	Error
Apr 24, 2025 18:09	Dmitry Yudakov	CSHARP9.0.0-preview.7	Error
Apr 24, 2025 18:00	Dmitry Yudakov	CSHARP9.0.0-preview.7	Success	329,013
Apr 24, 2025 17:59	Dmitry Yudakov	CSHARP9.0.0-preview.7	Success	345,649
Apr 24, 2025 17:58	Dmitry Yudakov	CSHARP9.0.0-preview.7	Success	339,088
Apr 24, 2025 17:55	Dmitry Yudakov	CSHARP9.0.0-preview.7	Error
Apr 24, 2025 17:52	Dmitry Yudakov	CSHARP9.0.0-preview.7	Success	335,079
Apr 24, 2025 17:43	Dmitry Yudakov	CSHARP9.0.0-preview.7	Error
Apr 24, 2025 17:42	Dmitry Yudakov	CSHARP9.0.0-preview.7	Error
Apr 24, 2025 17:39	Dmitry Yudakov	CSHARP9.0.0-preview.7	Error
Apr 24, 2025 17:38	Dmitry Yudakov	CSHARP9.0.0-preview.7	Success	578,639
Apr 24, 2025 17:36	Dmitry Yudakov	CSHARP9.0.0-preview.7	Error
Apr 24, 2025 07:29	Alona Maloh	CPPclang++18.1.3	Error
Apr 24, 2025 07:26	Alona Maloh	CPPclang++18.1.3	Error
Apr 24, 2025 01:39	Alona Maloh	CPPg++13.3.0	Error
Apr 24, 2025 01:33	Alona Maloh	CPPg++13.3.0	Error
Apr 24, 2025 01:31	Alona Maloh	CPPg++13.3.0	Error
Apr 24, 2025 01:26	Alona Maloh	CPPg++13.3.0	Error
Apr 24, 2025 01:23	Alona Maloh	CPPclang++18.1.3	Error
Apr 24, 2025 01:15	Alona Maloh	CPPclang++18.1.3	Success	65,305
Apr 24, 2025 01:12	Alona Maloh	CPPg++13.3.0	Error
Apr 24, 2025 00:58	Alona Maloh	CPPclang++18.1.3	Error
Apr 24, 2025 00:46	Alona Maloh	CPPg++13.3.0	Error
Apr 23, 2025 22:55	Dmitry Yudakov	CSHARP9.0.0-preview.7	Error
Apr 23, 2025 22:47	Dmitry Yudakov	CSHARP9.0.0-preview.7	Success	75,942+5.83 RP
Apr 23, 2025 22:34	Dmitry Yudakov	CSHARP9.0.0-preview.7	Success	79,457+39.92 RP
Apr 23, 2025 22:33	Dmitry Yudakov	CSHARP9.0.0-preview.7	Error
Apr 23, 2025 22:30	Dmitry Yudakov	CSHARP9.0.0-preview.7	Error
Apr 23, 2025 22:24	Dmitry Yudakov	CSHARP9.0.0-preview.7	Error
Apr 23, 2025 22:21	Dmitry Yudakov	CSHARP9.0.0-preview.7	Error
Apr 23, 2025 22:17	Dmitry Yudakov	CSHARP9.0.0-preview.7	Error
Apr 23, 2025 22:14	Dmitry Yudakov	CSHARP9.0.0-preview.7	Error
Apr 23, 2025 22:12	Dmitry Yudakov	CSHARP9.0.0-preview.7	Success	200,192
Apr 23, 2025 22:10	Dmitry Yudakov	CSHARP9.0.0-preview.7	Error
Apr 23, 2025 22:06	Dmitry Yudakov	CSHARP9.0.0-preview.7	Error
Apr 23, 2025 22:04	Dmitry Yudakov	CSHARP9.0.0-preview.7	Error
Apr 23, 2025 22:01	Dmitry Yudakov	CSHARP9.0.0-preview.7	Success	191,304
Apr 23, 2025 21:58	Dmitry Yudakov	CSHARP9.0.0-preview.7	Success	217,036
Apr 23, 2025 21:54	Dmitry Yudakov	CSHARP9.0.0-preview.7	Error
Apr 23, 2025 21:53	Dmitry Yudakov	CSHARP9.0.0-preview.7	Success	244,531
Apr 23, 2025 21:52	Dmitry Yudakov	CSHARP9.0.0-preview.7	Success	246,405
Apr 23, 2025 21:50	Dmitry Yudakov	CSHARP9.0.0-preview.7	Error
Apr 23, 2025 21:26	Dmitry Yudakov	CSHARP9.0.0-preview.7	Error
Apr 23, 2025 21:24	Dmitry Yudakov	CSHARP9.0.0-preview.7	Error
Apr 23, 2025 21:23	Alona Maloh	CPPclang++18.1.3	Success	59,950+10.42 RP
Apr 23, 2025 21:22	Alona Maloh	CPPclang++18.1.3	Success	67,845
Apr 23, 2025 21:21	Dmitry Yudakov	CSHARP9.0.0-preview.7	Error
Apr 23, 2025 21:20	Alona Maloh	CPPclang++18.1.3	Success	65,372
Apr 23, 2025 21:19	Dmitry Yudakov	CSHARP9.0.0-preview.7	Error
Apr 23, 2025 21:17	Alona Maloh	CPPclang++18.1.3	Success	63,945+14.30 RP
Apr 23, 2025 21:09	Alona Maloh	CPPclang++18.1.3	Success	70,382+88.91 RP
Apr 23, 2025 21:03	Alona Maloh	CPPclang++18.1.3	Success	188,070+34.04 RP
Apr 23, 2025 21:02	Dmitry Yudakov	CSHARP9.0.0-preview.7	Error
Apr 23, 2025 21:02	Alona Maloh	CPPclang++18.1.3	Error
Apr 23, 2025 20:44	Dmitry Yudakov	CSHARP9.0.0-preview.7	Success	116,365+0.44 RP
Apr 23, 2025 18:55	Alona Maloh	CPPclang++18.1.3	Error
Apr 23, 2025 18:53	Alona Maloh	CPPclang++18.1.3	Error
Apr 23, 2025 18:52	Alona Maloh	CPPclang++18.1.3	Success	522,686+14.11 RP
Apr 23, 2025 18:46	Alona Maloh	CPPclang++18.1.3	Success	1,990,476+5.02 RP
Apr 23, 2025 18:44	Alona Maloh	CPPclang++18.1.3	Error
Apr 23, 2025 18:40	Keefe	CPPg++13.3.0	Success	71,404
Apr 23, 2025 18:36	Keefe	CPPg++13.3.0	Success	63,991
Apr 23, 2025 18:33	Keefe	CPPg++13.3.0	Success	51,702
Apr 23, 2025 18:23	Keefe	CPPg++13.3.0	Error
Apr 23, 2025 18:22	Keefe	CPPg++13.3.0	Error
Apr 23, 2025 11:52	Emanuele Bolognesi	RUSTrust-1.86.0	Success	65,398+40.63 RP
Apr 23, 2025 08:20	NoSIMD_C#	CSHARP9.0.4	Success	71,599
Apr 23, 2025 08:20	NoSIMD_C#	CSHARP9.0.4	Success	97,763
Apr 23, 2025 08:18	NoSIMD_C#	CSHARP9.0.4	Success	87,189
Apr 22, 2025 17:20	Keefe	CPPg++13.3.0	Success	117,508
Apr 22, 2025 17:18	Keefe	CPPg++13.3.0	Error
Apr 22, 2025 17:07	Keefe	CPPg++13.3.0	Success	59,495
Apr 20, 2025 22:46	Keefe	CPPg++13.2.0	Error
Apr 20, 2025 22:43	Keefe	CPPg++13.2.0	Error
Apr 20, 2025 22:41	Keefe	CPPg++13.2.0	Success	57,649
Apr 20, 2025 22:40	Keefe	CPPg++13.2.0	Error
Apr 20, 2025 22:39	Keefe	CPPg++13.2.0	Error
Apr 20, 2025 22:37	Keefe	CPPg++13.2.0	Success	59,056
Apr 20, 2025 08:08	Matthew Booker	CPPclang++18.1.3	Success	995,897
Apr 19, 2025 20:29	Adam Folwarczny	CPPclang++18.1.3	Success	88,248
Apr 19, 2025 20:28	Adam Folwarczny	CPPg++13.2.0	Success	77,947
Apr 19, 2025 20:27	Adam Folwarczny	CPPclang++18.1.3	Success	77,905
Apr 19, 2025 19:54	Adam Folwarczny	CPPclang++18.1.3	Success	1,827,154
Apr 19, 2025 16:07	Aleksey Shvets	GOgo1.24.2	Success	264,831+0.05 RP
Apr 19, 2025 16:06	Aleksey Shvets	GOgo1.24.2	Error
Apr 19, 2025 16:04	Aleksey Shvets	GOgo1.24.2	Error
Apr 19, 2025 16:02	Aleksey Shvets	GOgo1.24.2	Success	287,941
Apr 19, 2025 15:58	Aleksey Shvets	GOgo1.24.2	Error
Apr 19, 2025 15:55	Aleksey Shvets	GOgo1.24.2	Error
Apr 19, 2025 15:37	Aleksey Shvets	GOgo1.24.2	Error
Apr 19, 2025 15:36	Aleksey Shvets	GOgo1.24.2	Error
Apr 19, 2025 15:34	Aleksey Shvets	GOgo1.24.2	Error
Apr 19, 2025 15:27	Aleksey Shvets	GOgo1.24.2	Error
Apr 19, 2025 15:00	Keefe	CPPg++13.2.0	Error
Apr 19, 2025 14:55	Keefe	CPPclang++18.1.3	Success	62,358
Apr 19, 2025 14:54	Keefe	CPPclang++18.1.3	Success	62,814
Apr 19, 2025 14:48	Keefe	CPPclang++18.1.3	Error
Apr 19, 2025 14:46	Keefe	CPPclang++18.1.3	Error
Apr 19, 2025 11:02	NoSIMD_C#	CPPg++13.2.0	Success	57,160
Apr 19, 2025 11:02	NoSIMD_C#	CPPclang++18.1.3	Success	50,103

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