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 21, 2025 01:58	Gerard Smit	CSHARP9.0.1	Success	101,638+59.89 RP
Jan 21, 2025 01:54	Cameron Aavik	CSHARP9.0.1	Success	157,496
Jan 21, 2025 01:33	Gerard Smit	CSHARP9.0.1	Error
Jan 21, 2025 01:28	Gerard Smit	CSHARP9.0.1	Success	259,757+38.50 RP
Jan 21, 2025 01:22	Gerard Smit	CSHARP9.0.1	Error
Jan 21, 2025 01:20	Gerard Smit	CSHARP9.0.1	Error
Jan 21, 2025 01:18	Gerard Smit	CSHARP9.0.1	Error
Jan 20, 2025 23:22	Cameron Aavik	CSHARP9.0.1	Success	33,175+16.52 RP
Jan 20, 2025 23:15	Cameron Aavik	CSHARP9.0.1	Success	37,263
Jan 20, 2025 23:08	Cameron Aavik	CSHARP9.0.1	Success	37,067
Jan 20, 2025 23:05	Cameron Aavik	CSHARP9.0.1	Success	34,110+1.00 RP
Jan 20, 2025 22:55	Cameron Aavik	CSHARP9.0.1	Success	34,168+2.18 RP
Jan 20, 2025 22:50	Cameron Aavik	CSHARP9.0.1	Success	34,493
Jan 20, 2025 22:40	Cameron Aavik	CSHARP9.0.1	Success	34,296+4.14 RP
Jan 20, 2025 22:15	Cameron Aavik	CSHARP9.0.1	Success	34,541+417.67 RP
Jan 20, 2025 22:11	Cameron Aavik	CSHARP9.0.1	Error
Jan 20, 2025 22:08	Cameron Aavik	CSHARP9.0.1	Error
Jan 20, 2025 22:02	Cameron Aavik	CSHARP9.0.1	Error
Jan 20, 2025 21:32	Cameron Aavik	CSHARP9.0.1	Error
Jan 20, 2025 21:28	Cameron Aavik	CSHARP9.0.1	Error
Jan 20, 2025 21:19	Cameron Aavik	CSHARP9.0.1	Error
Jan 20, 2025 21:09	Cameron Aavik	CSHARP9.0.1	Error
Jan 20, 2025 18:41	ttmx	CPPclang++18.1.3	Success	33,826
Jan 20, 2025 14:43	ttmx	CPPclang++18.1.3	Success	31,822+4.58 RP
Jan 20, 2025 13:08	Cameron Aavik	CSHARP9.0.1	Error
Jan 19, 2025 16:03	Royal Bhati	GOgo1.23.5	Success	263,933+37.89 RP
Jan 19, 2025 02:21	Ian Mckibben	CPPg++13.2.0	Error
Jan 19, 2025 02:21	Ian Mckibben	CPPclang++18.1.3	Error
Jan 19, 2025 01:24	Ian Mckibben	CPPclang++18.1.3	Error
Jan 19, 2025 01:21	Ian Mckibben	CPPclang++18.1.3	Error
Jan 19, 2025 01:19	Ian Mckibben	CPPclang++18.1.3	Error
Jan 19, 2025 01:19	Ian Mckibben	CPPclang++18.1.3	Error
Jan 19, 2025 01:18	Ian Mckibben	CPPclang++18.1.3	Error
Jan 19, 2025 01:13	Ian Mckibben	CPPclang++18.1.3	Success	43,082
Jan 19, 2025 01:09	Ian Mckibben	CPPclang++18.1.3	Error
Jan 19, 2025 01:07	Ian Mckibben	CPPg++13.2.0	Error
Jan 19, 2025 01:05	Ian Mckibben	CPPg++13.2.0	Error
Jan 19, 2025 00:35	Ian Mckibben	CPPclang++18.1.3	Success	43,038+0.15 RP
Jan 19, 2025 00:35	Ian Mckibben	CPPclang++18.1.3	Success	43,235
Jan 18, 2025 20:33	Rodrigo Palmeirim	CPPclang++18.1.3	Success	73,922+75.02 RP
Jan 18, 2025 19:48	Ian Mckibben	CPPg++13.2.0	Error
Jan 18, 2025 19:44	Ian Mckibben	CPPg++13.2.0	Error
Jan 18, 2025 19:37	Ian Mckibben	CPPg++13.2.0	Success	50,230
Jan 18, 2025 19:33	Ian Mckibben	CPPg++13.2.0	Success	59,446
Jan 18, 2025 15:25	KatDyreby	CPPclang++18.1.3	Success	1,826,798+5.47 RP
Jan 18, 2025 14:13	Rodrigo Palmeirim	CPPclang++18.1.3	Error
Jan 18, 2025 14:00	ttmx	CPPclang++18.1.3	Success	32,293+7.64 RP
Jan 18, 2025 13:45	Rodrigo Palmeirim	CPPclang++18.1.3	Success	181,930
Jan 18, 2025 13:40	Rodrigo Palmeirim	CPPclang++18.1.3	Success	165,957+60.26 RP
Jan 18, 2025 06:55	Ian Mckibben	CPPg++13.2.0	Success	50,539
Jan 18, 2025 05:52	Alex Kent	CPPg++13.2.0	Success	43,307
Jan 18, 2025 02:56	Alex Kent	CPPg++13.2.0	Error
Jan 18, 2025 02:17	Alex Kent	CPPg++13.2.0	Success	45,265
Jan 17, 2025 17:01	ttmx	CPPclang++18.1.3	Success	33,110+3.17 RP
Jan 17, 2025 16:54	ttmx	CPPclang++18.1.3	Success	34,192
Jan 17, 2025 16:54	ttmx	CPPclang++18.1.3	Success	34,191
Jan 17, 2025 15:47	ttmx	CPPclang++18.1.3	Success	33,461+134.24 RP
Jan 17, 2025 05:20	ttmx	CPPclang++18.1.3	Error
Jan 16, 2025 23:10	Amit Rahman	CPPclang++18.1.3	Success	1,826,336+5.48 RP
Jan 16, 2025 19:23	ttmx	CPPclang++18.1.3	Success	60,747+53.58 RP
Jan 16, 2025 19:06	ttmx	CPPclang++18.1.3	Success	90,057+25.94 RP
Jan 16, 2025 17:29	art-int	CSHARP9.0.1	Success	372,987+26.81 RP
Jan 16, 2025 16:50	art-int	CSHARP9.0.1	Error
Jan 16, 2025 16:39	art-int	CSHARP9.0.1	Error
Jan 16, 2025 11:26	ttmx	CPPclang++18.1.3	Success	117,505+66.19 RP
Jan 16, 2025 11:15	ttmx	CPPclang++18.1.3	Error
Jan 16, 2025 11:04	ttmx	CPPclang++18.1.3	Success	528,627+8.85 RP
Jan 16, 2025 10:46	ttmx	CPPclang++18.1.3	Success	1,002,717
Jan 16, 2025 10:40	ttmx	CPPclang++18.1.3	Success	993,431+4.59 RP
Jan 16, 2025 06:20	Ian Mckibben	CPPg++13.2.0	Error
Jan 16, 2025 06:20	Ian Mckibben	CPPg++13.2.0	Error
Jan 16, 2025 06:19	Ian Mckibben	CPPg++13.2.0	Error
Jan 16, 2025 06:14	Ian Mckibben	CPPg++13.2.0	Success	46,287
Jan 16, 2025 00:02	Ian Mckibben	CPPg++13.2.0	Success	49,187
Jan 15, 2025 13:44	Alex Kent	CPPg++13.2.0	Success	58,113
Jan 15, 2025 13:10	Alex Kent	CPPg++13.2.0	Success	62,005
Jan 15, 2025 13:01	Alex Kent	CPPg++13.2.0	Error
Jan 14, 2025 14:42	ttmx	CPPclang++18.1.3	Success	1,826,792+5.47 RP
Jan 13, 2025 17:35	Rohan Kapur	RUSTrust-1.83.0	Success	60,316
Jan 13, 2025 17:01	Advait Iyer	CPPclang++18.1.3	Error
Jan 13, 2025 16:51	Advait Iyer	CPPclang++18.1.3	Success	56,223
Jan 13, 2025 16:47	Advait Iyer	CPPclang++18.1.3	Error
Jan 13, 2025 16:46	Advait Iyer	CPPclang++18.1.3	Success	57,457
Jan 13, 2025 16:41	Advait Iyer	CPPclang++18.1.3	Success	56,226
Jan 13, 2025 16:39	Advait Iyer	CPPclang++18.1.3	Success	56,857
Jan 13, 2025 16:38	Advait Iyer	CPPclang++18.1.3	Success	56,315
Jan 13, 2025 16:37	Advait Iyer	CPPclang++18.1.3	Success	58,731
Jan 13, 2025 16:34	Advait Iyer	CPPclang++18.1.3	Success	56,223+3.87 RP
Jan 13, 2025 16:32	Advait Iyer	CPPclang++18.1.3	Success	57,475+9.76 RP
Jan 13, 2025 16:31	Advait Iyer	CPPclang++18.1.3	Error
Jan 13, 2025 16:27	Advait Iyer	CPPclang++18.1.3	Error
Jan 13, 2025 16:24	Advait Iyer	CPPclang++18.1.3	Success	60,892+12.82 RP
Jan 13, 2025 16:22	Advait Iyer	CPPclang++18.1.3	Success	82,523
Jan 13, 2025 16:12	Advait Iyer	CPPclang++18.1.3	Success	81,636
Jan 13, 2025 16:10	Advait Iyer	CPPclang++18.1.3	Success	66,048+0.56 RP
Jan 13, 2025 15:24	Advait Iyer	CPPclang++18.1.3	Success	66,292+0.03 RP
Jan 13, 2025 15:23	Advait Iyer	CPPclang++18.1.3	Error
Jan 13, 2025 15:23	Advait Iyer	CPPclang++18.1.3	Error
Jan 13, 2025 15:17	Advait Iyer	CPPclang++18.1.3	Error
Jan 13, 2025 12:57	Advait Iyer	CPPclang++18.1.3	Success	66,421

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