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
Mar 23, 2026 06:23	Dominique Garmier	CPPclang++18.1.3	Success	8,578
Mar 23, 2026 06:20	Dominique Garmier	CPPclang++18.1.3	Success	10,431
Mar 23, 2026 06:20	Dominique Garmier	CPPg++13.3.0	Success	11,663
Mar 23, 2026 06:19	Dominique Garmier	CPPclang++18.1.3	Success	45,386
Mar 23, 2026 06:15	Dominique Garmier	CPPclang++18.1.3	Error
Mar 23, 2026 06:15	Dominique Garmier	CPPclang++18.1.3	Success	8,593
Mar 23, 2026 05:16	Dominique Garmier	CPPg++13.3.0	Success	45,504
Mar 23, 2026 03:00	Alyssa Verkade	RUSTrust-1.94.0	Success	72,991+0.27 RP
Mar 23, 2026 02:56	Alyssa Verkade	RUSTrust-1.94.0	Success	73,135+37.67 RP
Mar 23, 2026 02:53	Alyssa Verkade	RUSTrust-1.94.0	Success	100,941+8.99 RP
Mar 23, 2026 02:45	Alyssa Verkade	RUSTrust-1.94.0	Success	111,855
Mar 23, 2026 02:42	Alyssa Verkade	RUSTrust-1.94.0	Success	111,010+64.53 RP
Mar 23, 2026 02:41	Alyssa Verkade	RUSTrust-1.94.0	Error
Mar 23, 2026 02:38	Alyssa Verkade	RUSTrust-1.94.0	Error
Mar 23, 2026 02:24	Alyssa Verkade	RUSTrust-1.94.0	Error
Mar 23, 2026 02:24	Josu San Martin	CPPclang++18.1.3	Success	5,790
Mar 23, 2026 02:19	Alyssa Verkade	RUSTrust-1.94.0	Success	391,412+25.55 RP
Mar 23, 2026 01:34	zielaj	CPPclang++18.1.3	Error
Mar 23, 2026 01:22	zielaj	CPPclang++18.1.3	Error
Mar 23, 2026 01:19	zielaj	CPPclang++18.1.3	Error
Mar 23, 2026 01:01	zielaj	CPPclang++18.1.3	Error
Mar 23, 2026 00:59	zielaj	CPPclang++18.1.3	Error
Mar 23, 2026 00:45	zielaj	CPPclang++18.1.3	Success	3,559
Mar 23, 2026 00:41	zielaj	CPPclang++18.1.3	Success	3,535
Mar 23, 2026 00:40	Josu San Martin	CPPg++13.3.0	Success	5,891
Mar 23, 2026 00:32	zielaj	CPPclang++18.1.3	Success	3,550
Mar 23, 2026 00:28	zielaj	CPPclang++18.1.3	Error
Mar 23, 2026 00:25	zielaj	CPPclang++18.1.3	Error
Mar 23, 2026 00:18	zielaj	CPPclang++18.1.3	Error
Mar 23, 2026 00:10	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 21:28	Dominique Garmier	CPPclang++18.1.3	Success	126,171
Mar 22, 2026 19:50	wn	CPPclang++18.1.3	Success	31,022
Mar 22, 2026 19:36	Josu San Martin	CPPg++13.3.0	Error
Mar 22, 2026 19:23	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 19:14	zielaj	CPPclang++18.1.3	Success	3,539
Mar 22, 2026 19:09	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 19:01	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 18:59	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 18:56	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 18:50	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 18:40	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 18:34	zielaj	CPPclang++18.1.3	Success	3,520
Mar 22, 2026 18:34	Dominique Garmier	CSHARP9.0.14	Success	100,750
Mar 22, 2026 18:32	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 18:31	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 17:37	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 17:37	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 17:30	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 17:29	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 17:24	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 17:21	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 17:19	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 17:17	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 17:03	zielaj	CPPclang++18.1.3	Success	3,513
Mar 22, 2026 16:31	Dominique Garmier	GOgo1.26.1	Success	77,272
Mar 22, 2026 16:18	Dominique Garmier	RUSTrust-1.94.0	Success	369,769
Mar 22, 2026 16:18	Dominique Garmier	RUSTrust-1.94.0	Success	62,548
Mar 22, 2026 16:17	Dominique Garmier	RUSTrust-1.94.0	Error
Mar 22, 2026 15:51	Dominique Garmier	GOgo1.26.1	Success	77,568
Mar 22, 2026 15:41	Dominique Garmier	RUSTrust-1.94.0	Success	8,922
Mar 22, 2026 11:44	Dominique Garmier	RUSTrust-1.94.0	Success	8,927
Mar 22, 2026 11:42	Dominique Garmier	RUSTrust-1.94.0	Success	63,928
Mar 22, 2026 11:39	Dominique Garmier	RUSTrust-1.94.0	Success	62,768
Mar 22, 2026 11:09	Dominique Garmier	CPPclang++18.1.3	Success	43,352
Mar 22, 2026 09:15	Dominique Garmier	ZIG0.13.0	Success	332,817
Mar 22, 2026 09:06	Dominique Garmier	CSHARP9.0.14	Success	103,222
Mar 22, 2026 09:02	Dominique Garmier	CSHARP9.0.14	Success	91,530
Mar 22, 2026 08:10	Dominique Garmier	CSHARP9.0.14	Success	99,831
Mar 22, 2026 02:52	zielaj	CPPclang++18.1.3	Success	4,053
Mar 22, 2026 02:17	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 02:15	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 02:11	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 02:03	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 02:01	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 01:57	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 01:54	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 01:49	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 01:44	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 01:40	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 01:36	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 01:34	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 01:31	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 01:28	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 01:25	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 01:21	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 01:20	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 01:18	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 01:10	zielaj	CPPclang++18.1.3	Error
Mar 22, 2026 01:05	zielaj	CPPclang++18.1.3	Error
Mar 21, 2026 23:25	zielaj	CPPclang++18.1.3	Error
Mar 21, 2026 23:23	zielaj	CPPclang++18.1.3	Error
Mar 21, 2026 23:09	zielaj	CPPclang++18.1.3	Error
Mar 21, 2026 22:31	zielaj	CPPclang++18.1.3	Error
Mar 21, 2026 22:08	zielaj	CPPclang++18.1.3	Success	3,604
Mar 21, 2026 19:54	Dominique Garmier	RUSTrust-1.94.0	Success	8,815
Mar 21, 2026 19:53	Dominique Garmier	RUSTrust-1.94.0	Success	8,883
Mar 21, 2026 19:48	Dominique Garmier	RUSTrust-1.94.0	Success	9,278
Mar 21, 2026 19:46	Dominique Garmier	RUSTrust-1.94.0	Success	9,258
Mar 21, 2026 19:45	Dominique Garmier	RUSTrust-1.94.0	Success	18,477
Mar 21, 2026 19:41	Dominique Garmier	RUSTrust-1.94.0	Success	9,229

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