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 27, 2026 07:52	wn	CPPg++13.3.0	Success	3,467
Apr 27, 2026 07:51	wn	CPPg++13.3.0	Success	3,477
Apr 27, 2026 07:51	wn	CPPg++13.3.0	Success	3,483
Apr 27, 2026 07:47	wn	CPPg++13.3.0	Success	3,464
Apr 27, 2026 07:47	wn	CPPg++13.3.0	Success	3,450
Apr 27, 2026 07:35	olliecrow	RUSTrust-1.94.0	Success	6,289
Apr 27, 2026 07:28	olliecrow	RUSTrust-1.94.0	Error
Apr 27, 2026 07:02	olliecrow	RUSTrust-1.94.0	Error
Apr 27, 2026 06:48	GrangerJ17	CPPg++10.5.0	Success	89,282+112.00 RP
Apr 27, 2026 06:03	wn	CPPg++13.3.0	Error	+0.85 RP
Apr 27, 2026 05:57	wn	CPPg++13.3.0	Success	3,723
Apr 27, 2026 05:56	wn	CPPg++13.3.0	Success	3,452
Apr 27, 2026 05:55	wn	CPPg++13.3.0	Success	3,567
Apr 27, 2026 05:54	wn	CPPg++13.3.0	Success	3,460
Apr 27, 2026 05:53	wn	CPPg++13.3.0	Success	3,452
Apr 27, 2026 05:52	wn	CPPg++13.3.0	Success	3,757
Apr 27, 2026 05:51	wn	CPPg++13.3.0	Success	3,489
Apr 27, 2026 05:50	wn	CPPg++13.3.0	Success	3,464
Apr 27, 2026 05:49	wn	CPPg++13.3.0	Success	3,469
Apr 27, 2026 05:48	wn	CPPg++13.3.0	Success	3,455
Apr 27, 2026 05:47	wn	CPPg++13.3.0	Success	3,525
Apr 27, 2026 05:46	wn	CPPg++13.3.0	Success	3,593
Apr 27, 2026 05:45	wn	CPPg++13.3.0	Success	3,494
Apr 27, 2026 05:42	wn	CPPg++14.2.0	Success	3,482
Apr 27, 2026 05:41	wn	CPPg++13.3.0	Success	3,478
Apr 27, 2026 05:40	wn	CPPg++13.3.0	Success	3,471
Apr 27, 2026 05:38	wn	CPPg++13.3.0	Success	3,455
Apr 27, 2026 05:37	wn	CPPg++13.3.0	Success	3,623
Apr 27, 2026 05:36	wn	CPPg++13.3.0	Error
Apr 27, 2026 05:34	wn	CPPg++13.3.0	Success	3,469
Apr 27, 2026 05:33	wn	CPPg++13.3.0	Success	3,560
Apr 27, 2026 05:32	wn	CPPg++13.3.0	Success	3,587
Apr 27, 2026 05:31	wn	CPPg++13.3.0	Success	3,449
Apr 27, 2026 05:27	wn	CPPg++13.3.0	Error
Apr 27, 2026 04:58	wn	CPPg++13.3.0	Success	3,463
Apr 27, 2026 04:54	wn	CPPg++13.3.0	Success	3,444
Apr 27, 2026 04:52	wn	CPPg++13.3.0	Success	3,498
Apr 27, 2026 04:51	wn	CPPg++13.3.0	Success	3,481
Apr 27, 2026 04:49	wn	CPPg++13.3.0	Success	3,498
Apr 27, 2026 04:48	wn	CPPg++13.3.0	Success	3,469
Apr 27, 2026 04:47	wn	CPPg++13.3.0	Success	3,466
Apr 27, 2026 04:45	wn	CPPg++13.3.0	Success	3,474
Apr 27, 2026 04:44	wn	CPPclang++18.1.3	Error
Apr 27, 2026 04:42	wn	CPPg++13.3.0	Success	3,466
Apr 27, 2026 02:48	wn	CPPg++10.5.0	Error
Apr 27, 2026 02:34	wn	CPPg++13.3.0	Success	3,510
Apr 27, 2026 02:33	wn	CPPg++13.3.0	Error
Apr 27, 2026 02:32	wn	CPPg++13.3.0	Success	3,461
Apr 27, 2026 02:31	wn	CPPg++13.3.0	Success	3,445
Apr 27, 2026 02:30	wn	CPPg++14.2.0	Success	3,464
Apr 27, 2026 00:28	olliecrow	CSHARP9.0.15	Success	9,430
Apr 26, 2026 21:36	zielaj	CPPclang++18.1.3	Error
Apr 26, 2026 21:35	zielaj	CPPclang++18.1.3	Error
Apr 26, 2026 21:34	zielaj	CPPg++10.5.0	Error
Apr 26, 2026 19:13	olliecrow	CSHARP9.0.15	Success	8,705
Apr 26, 2026 18:50	olliecrow	CSHARP9.0.15	Error
Apr 26, 2026 18:42	olliecrow	CSHARP9.0.15	Error
Apr 26, 2026 18:28	olliecrow	RUSTrust-1.95.0	Success	6,291
Apr 26, 2026 17:53	Charles Cabergs	CPPg++13.3.0	Success	13,533
Apr 26, 2026 17:32	zielaj	CPPclang++18.1.3	Success	3,591
Apr 26, 2026 17:31	zielaj	CPPclang++18.1.3	Success	3,475
Apr 26, 2026 17:28	zielaj	CPPclang++18.1.3	Error
Apr 26, 2026 17:26	zielaj	CPPclang++18.1.3	Error
Apr 26, 2026 17:23	zielaj	CPPclang++18.1.3	Success	3,466
Apr 26, 2026 17:22	zielaj	CPPclang++18.1.3	Success	3,468
Apr 26, 2026 17:21	zielaj	CPPclang++18.1.3	Error
Apr 26, 2026 17:19	zielaj	CPPclang++18.1.3	Success	3,472
Apr 26, 2026 17:18	zielaj	CPPclang++18.1.3	Error
Apr 26, 2026 17:17	zielaj	CPPclang++18.1.3	Error
Apr 26, 2026 17:17	zielaj	CPPclang++18.1.3	Error
Apr 26, 2026 17:14	zielaj	CPPclang++18.1.3	Success	3,468
Apr 26, 2026 17:08	zielaj	CPPg++14.2.0	Error
Apr 26, 2026 17:07	zielaj	CPPg++14.2.0	Error
Apr 26, 2026 17:06	zielaj	CPPg++14.2.0	Error
Apr 26, 2026 16:15	wn	CPPg++13.3.0	Success	3,495
Apr 26, 2026 16:14	wn	CPPg++13.3.0	Success	3,455
Apr 26, 2026 16:13	wn	CPPg++14.2.0	Success	3,581
Apr 26, 2026 16:13	wn	CPPg++13.3.0	Success	3,472
Apr 26, 2026 16:12	wn	CPPg++12.4.0	Success	3,470
Apr 26, 2026 16:12	TudyM	CPPg++10.5.0	Success	35,020
Apr 26, 2026 16:11	wn	CPPg++14.2.0	Success	3,451
Apr 26, 2026 16:11	wn	CPPg++13.3.0	Success	3,468
Apr 26, 2026 16:10	wn	CPPg++13.3.0	Success	3,462
Apr 26, 2026 16:08	TudyM	CPPg++10.5.0	Success	35,007
Apr 26, 2026 16:08	wn	CPPg++13.3.0	Success	3,447
Apr 26, 2026 16:06	wn	CPPg++13.3.0	Success	3,466
Apr 26, 2026 16:03	TudyM	CPPg++10.5.0	Success	41,680
Apr 26, 2026 16:03	wn	CPPg++13.3.0	Success	3,443
Apr 26, 2026 16:02	olliecrow	CSHARP9.0.15	Success	8,510
Apr 26, 2026 16:01	wn	CPPg++13.3.0	Success	3,491
Apr 26, 2026 15:58	olliecrow	CSHARP9.0.15	Error
Apr 26, 2026 15:51	TudyM	CPPg++10.5.0	Success	35,539
Apr 26, 2026 15:48	TudyM	CPPg++10.5.0	Success	35,576
Apr 26, 2026 15:42	TudyM	CPPg++10.5.0	Success	36,894
Apr 26, 2026 15:42	wn	CPPg++13.3.0	Success	3,441
Apr 26, 2026 15:40	wn	CPPg++13.3.0	Success	3,653
Apr 26, 2026 15:39	TudyM	CPPg++10.5.0	Success	39,582
Apr 26, 2026 15:38	wn	CPPg++13.3.0	Success	3,440
Apr 26, 2026 15:37	wn	CPPg++13.3.0	Success	3,452
Apr 26, 2026 15:35	olliecrow	CSHARP9.0.15	Error

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