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	1:20.1.2-0ubuntu1~24.04.3	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	3.0.13-0ubuntu3.11	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 23:36	Ian Mckibben	CPPclang++18.1.3	Error
Jan 11, 2025 23:35	Ian Mckibben	CPPclang++18.1.3	Success	43,086
Jan 11, 2025 23:34	Ian Mckibben	CPPclang++18.1.3	Error
Jan 11, 2025 18:53	Ian Mckibben	CPPclang++18.1.3	Success	46,103
Jan 11, 2025 18:51	Ian Mckibben	CPPclang++18.1.3	Success	43,065+0.26 RP
Jan 11, 2025 18:50	Ian Mckibben	CPPclang++18.1.3	Success	55,887
Jan 11, 2025 18:50	Ian Mckibben	CPPclang++18.1.3	Success	55,864
Jan 11, 2025 18:48	Ian Mckibben	CPPclang++18.1.3	Success	43,113+5.06 RP
Jan 11, 2025 18:47	Ian Mckibben	CPPclang++18.1.3	Error
Jan 11, 2025 18:47	Ian Mckibben	CPPclang++18.1.3	Error
Jan 11, 2025 18:44	Ian Mckibben	CPPclang++18.1.3	Success	45,700
Jan 11, 2025 18:42	Ian Mckibben	CPPclang++18.1.3	Success	44,592
Jan 11, 2025 18:36	Ian Mckibben	CPPclang++18.1.3	Success	95,148
Jan 11, 2025 18:35	Ian Mckibben	CPPclang++18.1.3	Success	105,983
Jan 11, 2025 18:34	Ian Mckibben	CPPclang++18.1.3	Error
Jan 11, 2025 18:31	Ian Mckibben	CPPclang++18.1.3	Error
Jan 11, 2025 18:31	Ian Mckibben	CPPclang++18.1.3	Error
Jan 11, 2025 18:30	Ian Mckibben	CPPclang++18.1.3	Error
Jan 11, 2025 18:30	Ian Mckibben	CPPclang++18.1.3	Success	99,942
Jan 11, 2025 18:28	Ian Mckibben	CPPclang++18.1.3	Error
Jan 11, 2025 18:28	Ian Mckibben	CPPclang++18.1.3	Error
Jan 11, 2025 18:25	Ian Mckibben	CPPclang++18.1.3	Error
Jan 11, 2025 18:24	Ian Mckibben	CPPclang++18.1.3	Error
Jan 11, 2025 18:23	Ian Mckibben	CPPclang++18.1.3	Error
Jan 11, 2025 17:42	Ian Mckibben	CPPclang++18.1.3	Success	113,619
Jan 11, 2025 17:29	Ian Mckibben	CPPclang++18.1.3	Success	97,551
Jan 11, 2025 17:27	Ian Mckibben	CPPclang++18.1.3	Error
Jan 11, 2025 17:25	Ian Mckibben	CPPclang++18.1.3	Success	97,184
Jan 11, 2025 17:22	Ian Mckibben	CPPclang++18.1.3	Success	51,337
Jan 11, 2025 17:21	Ian Mckibben	CPPclang++18.1.3	Success	90,461
Jan 11, 2025 17:18	Ian Mckibben	CPPclang++18.1.3	Success	56,591
Jan 11, 2025 17:18	Ian Mckibben	CPPclang++18.1.3	Success	51,292
Jan 11, 2025 17:17	Ian Mckibben	CPPclang++18.1.3	Success	70,795
Jan 11, 2025 17:16	Ian Mckibben	CPPclang++18.1.3	Error
Jan 11, 2025 17:02	Advait Iyer	CPPclang++18.1.3	Success	66,429+28.75 RP
Jan 11, 2025 16:58	Advait Iyer	CPPclang++18.1.3	Success	82,113+0.34 RP
Jan 11, 2025 16:55	Advait Iyer	CPPclang++18.1.3	Error
Jan 11, 2025 16:54	Advait Iyer	CPPclang++18.1.3	Success	85,926
Jan 11, 2025 16:53	Advait Iyer	CPPclang++18.1.3	Success	82,340+2.04 RP
Jan 11, 2025 16:52	Advait Iyer	CPPclang++18.1.3	Error
Jan 11, 2025 16:47	Advait Iyer	CPPclang++18.1.3	Success	83,749+54.21 RP
Jan 11, 2025 16:35	Advait Iyer	CPPclang++18.1.3	Success	153,392+59.72 RP
Jan 11, 2025 16:33	Advait Iyer	CPPclang++18.1.3	Error
Jan 11, 2025 16:31	Advait Iyer	CPPclang++18.1.3	Error
Jan 11, 2025 16:29	Advait Iyer	CPPclang++18.1.3	Error
Jan 11, 2025 16:28	Advait Iyer	CPPclang++18.1.3	Error
Jan 11, 2025 16:28	Advait Iyer	CPPclang++18.1.3	Error
Jan 11, 2025 16:27	Advait Iyer	CPPclang++18.1.3	Error
Jan 11, 2025 16:24	Advait Iyer	CPPclang++18.1.3	Error
Jan 11, 2025 16:21	Advait Iyer	CPPclang++18.1.3	Error
Jan 11, 2025 16:12	Advait Iyer	CPPclang++18.1.3	Error
Jan 11, 2025 07:21	Ian Mckibben	CPPclang++18.1.3	Success	44,169
Jan 11, 2025 07:18	Ian Mckibben	CPPclang++18.1.3	Success	62,841
Jan 11, 2025 07:17	Ian Mckibben	CPPclang++18.1.3	Success	44,183
Jan 11, 2025 07:13	Ian Mckibben	CPPclang++18.1.3	Success	44,446
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

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