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
Jan 11, 2025 07:13	Ian Mckibben	CPPclang++18.1.3	Error
Jan 11, 2025 07:13	Ian Mckibben	CPPclang++18.1.3	Error
Jan 11, 2025 07:12	Ian Mckibben	CPPclang++18.1.3	Success	70,520
Jan 11, 2025 07:12	Ian Mckibben	CPPclang++18.1.3	Success	65,168
Jan 11, 2025 07:12	Ian Mckibben	CPPclang++18.1.3	Error
Jan 11, 2025 07:12	Ian Mckibben	CPPclang++18.1.3	Error
Jan 11, 2025 07:09	Ian Mckibben	CPPclang++18.1.3	Success	79,072
Jan 11, 2025 07:08	Ian Mckibben	CPPclang++18.1.3	Success	45,664
Jan 11, 2025 07:06	Ian Mckibben	CPPclang++18.1.3	Success	89,720
Jan 11, 2025 07:06	Ian Mckibben	CPPg++13.2.0	Success	54,803
Jan 11, 2025 07:04	Ian Mckibben	CPPclang++18.1.3	Success	44,075+0.61 RP
Jan 11, 2025 07:04	Ian Mckibben	CPPclang++18.1.3	Error
Jan 11, 2025 07:01	Ian Mckibben	CPPclang++18.1.3	Success	44,209
Jan 11, 2025 07:01	Ian Mckibben	CPPclang++18.1.3	Error
Jan 11, 2025 05:24	Ian Mckibben	CPPclang++18.1.3	Success	114,000
Jan 11, 2025 04:40	Ian Mckibben	CPPclang++18.1.3	Success	44,407
Jan 11, 2025 02:42	Ian Mckibben	CPPclang++18.1.3	Error
Jan 11, 2025 02:42	Ian Mckibben	CPPclang++18.1.3	Error
Jan 11, 2025 02:40	Ian Mckibben	CPPclang++18.1.3	Error
Jan 11, 2025 02:39	Ian Mckibben	CPPclang++18.1.3	Success	79,831
Jan 11, 2025 02:37	Ian Mckibben	CPPclang++18.1.3	Error
Jan 11, 2025 02:35	Ian Mckibben	CPPclang++18.1.3	Error
Jan 11, 2025 01:28	Ian Mckibben	CPPclang++18.1.3	Success	52,979
Jan 10, 2025 07:59	Ian Mckibben	CPPclang++18.1.3	Success	44,363
Jan 10, 2025 05:31	Ian Mckibben	CPPclang++18.1.3	Error
Jan 10, 2025 05:20	Ian Mckibben	CPPclang++18.1.3	Error
Jan 10, 2025 05:19	Ian Mckibben	CPPclang++18.1.3	Error
Jan 10, 2025 05:18	Ian Mckibben	CPPclang++18.1.3	Error
Jan 10, 2025 05:16	Ian Mckibben	CPPclang++18.1.3	Error
Jan 10, 2025 05:16	Ian Mckibben	CPPclang++18.1.3	Error
Jan 10, 2025 05:15	Ian Mckibben	CPPclang++18.1.3	Error
Jan 10, 2025 05:14	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 10:40	Advait Iyer	CPPclang++18.1.3	Success	1,826,855+5.47 RP
Jan 9, 2025 07:57	Ian Mckibben	CPPclang++18.1.3	Success	44,211
Jan 9, 2025 07:57	Ian Mckibben	CPPclang++18.1.3	Success	44,201
Jan 9, 2025 07:56	Ian Mckibben	CPPclang++18.1.3	Success	44,193+0.03 RP
Jan 9, 2025 07:55	Ian Mckibben	CPPg++13.2.0	Success	58,890
Jan 9, 2025 07:55	Ian Mckibben	CPPclang++18.1.3	Success	44,199+6.26 RP
Jan 9, 2025 07:49	Ian Mckibben	CPPclang++18.1.3	Success	51,384
Jan 9, 2025 07:47	Ian Mckibben	CPPclang++18.1.3	Success	51,493
Jan 9, 2025 07:46	Ian Mckibben	CPPclang++18.1.3	Success	45,456+11.03 RP
Jan 9, 2025 07:42	Ian Mckibben	CPPclang++18.1.3	Success	47,856+14.09 RP
Jan 9, 2025 07:41	Ian Mckibben	CPPclang++18.1.3	Success	56,383
Jan 9, 2025 07:39	Ian Mckibben	CPPclang++18.1.3	Success	62,485
Jan 9, 2025 07:33	Ian Mckibben	CPPclang++18.1.3	Success	81,787
Jan 9, 2025 07:31	Ian Mckibben	CPPclang++18.1.3	Success	68,891
Jan 9, 2025 07:30	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 07:29	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 07:11	Ian Mckibben	CPPclang++18.1.3	Success	61,885
Jan 9, 2025 03:06	Ian Mckibben	CPPclang++18.1.3	Success	51,317+0.16 RP
Jan 9, 2025 03:05	Ian Mckibben	CPPclang++18.1.3	Success	56,363
Jan 9, 2025 03:03	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 03:02	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 03:02	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 03:01	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 03:01	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 02:59	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 02:59	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 02:57	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 02:55	Ian Mckibben	CPPclang++18.1.3	Success	51,467
Jan 9, 2025 02:55	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 02:54	Ian Mckibben	CPPclang++18.1.3	Success	56,392
Jan 9, 2025 02:51	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 02:51	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 02:50	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 02:50	Ian Mckibben	CPPclang++18.1.3	Success	56,373
Jan 9, 2025 02:48	Ian Mckibben	CPPclang++18.1.3	Success	60,209
Jan 9, 2025 02:47	Ian Mckibben	CPPclang++18.1.3	Success	60,206
Jan 9, 2025 02:46	Ian Mckibben	CPPclang++18.1.3	Success	51,405
Jan 9, 2025 02:42	Ian Mckibben	CPPclang++18.1.3	Success	90,431
Jan 9, 2025 02:41	Ian Mckibben	CPPclang++18.1.3	Success	51,358+0.03 RP
Jan 9, 2025 02:41	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 02:41	Ian Mckibben	CPPclang++18.1.3	Success	90,386
Jan 9, 2025 02:38	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 02:37	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 02:28	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 02:28	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 02:28	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 02:25	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 02:24	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 02:21	Ian Mckibben	CPPclang++18.1.3	Success	51,471
Jan 9, 2025 02:20	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 02:19	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 02:19	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 02:18	Ian Mckibben	CPPclang++18.1.3	Error
Jan 9, 2025 02:17	Ian Mckibben	CPPg++13.2.0	Error
Jan 9, 2025 01:14	Ian Mckibben	CPPg++13.2.0	Success	51,956
Jan 9, 2025 01:11	Ian Mckibben	CPPclang++18.1.3	Success	51,400
Jan 9, 2025 00:02	Ian Mckibben	CPPclang++18.1.3	Success	56,584
Jan 9, 2025 00:01	Ian Mckibben	CPPclang++18.1.3	Success	51,366+17.82 RP
Jan 9, 2025 00:00	Ian Mckibben	CPPclang++18.1.3	Error
Jan 8, 2025 23:59	Ian Mckibben	CPPclang++18.1.3	Error
Jan 8, 2025 23:41	Ian Mckibben	CPPclang++18.1.3	Success	56,540+170.76 RP
Jan 8, 2025 23:40	Ian Mckibben	CPPclang++18.1.3	Error
Jan 8, 2025 23:39	Ian Mckibben	CPPclang++18.1.3	Error
Jan 8, 2025 23:36	Ian Mckibben	CPPclang++18.1.3	Error
Jan 8, 2025 23:34	Ian Mckibben	CPPclang++18.1.3	Error
Jan 8, 2025 23:33	Ian Mckibben	CPPclang++18.1.3	Error
Jan 8, 2025 23:31	Ian Mckibben	CPPclang++18.1.3	Error
Jan 8, 2025 23:26	Ian Mckibben	CPPclang++18.1.3	Error

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