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
May 11, 2026 07:14	wn	CPPg++13.3.0	Success	3,499
May 11, 2026 07:12	wn	CPPg++13.3.0	Success	3,484
May 11, 2026 07:09	wn	CPPg++13.3.0	Success	3,451
May 11, 2026 07:05	wn	CPPg++13.3.0	Success	3,336
May 11, 2026 07:02	wn	CPPg++13.3.0	Success	3,351
May 11, 2026 06:59	wn	CPPg++13.3.0	Error
May 11, 2026 06:54	wn	CPPg++13.3.0	Success	3,411
May 11, 2026 06:52	wn	CPPg++13.3.0	Success	3,328
May 11, 2026 06:49	wn	CPPg++13.3.0	Success	3,475
May 11, 2026 06:48	wn	CPPg++13.3.0	Error
May 11, 2026 06:47	wn	CPPg++13.3.0	Success	3,379
May 11, 2026 06:46	wn	CPPg++13.3.0	Success	3,422
May 11, 2026 05:16	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 05:15	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 04:55	Josu San Martin	CPPg++14.2.0	Error
May 11, 2026 04:54	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 04:53	Josu San Martin	CPPclang++15.0.7	Success	4,047
May 11, 2026 04:52	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 04:49	Josu San Martin	CPPclang++15.0.7	Success	3,876
May 11, 2026 04:48	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 04:47	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 04:45	Josu San Martin	CPPclang++15.0.7	Success	3,873
May 11, 2026 04:44	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 04:18	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 04:17	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 04:16	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 03:58	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 03:57	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 03:56	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 03:55	Josu San Martin	CPPclang++15.0.7	Success	3,892
May 11, 2026 03:54	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 03:53	Josu San Martin	CPPclang++15.0.7	Success	3,891
May 11, 2026 03:52	Josu San Martin	CPPclang++15.0.7	Success	3,878
May 11, 2026 03:51	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 03:50	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 03:48	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 02:43	Josu San Martin	CPPclang++15.0.7	Success	4,109
May 11, 2026 02:42	Josu San Martin	CPPclang++15.0.7	Success	10,107
May 11, 2026 02:16	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 02:15	Josu San Martin	CPPclang++15.0.7	Success	4,041
May 11, 2026 02:12	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 02:10	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 02:08	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 02:07	Josu San Martin	CPPclang++15.0.7	Success	3,889
May 11, 2026 02:06	Josu San Martin	CPPclang++15.0.7	Success	3,895
May 11, 2026 01:59	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 01:58	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 01:57	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 01:56	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 01:54	Josu San Martin	CPPclang++15.0.7	Success	3,906
May 11, 2026 01:53	Josu San Martin	CPPclang++15.0.7	Success	3,876
May 11, 2026 01:51	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 01:50	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 01:49	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 01:48	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 01:47	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 01:46	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 01:45	Josu San Martin	CPPclang++15.0.7	Success	3,882
May 11, 2026 01:44	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 01:43	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 01:42	Josu San Martin	CPPclang++15.0.7	Success	3,897
May 11, 2026 01:41	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 01:39	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 01:38	Josu San Martin	CPPclang++15.0.7	Success	3,939
May 11, 2026 01:15	Josu San Martin	CPPclang++15.0.7	Success	4,148
May 11, 2026 01:14	Josu San Martin	CPPclang++15.0.7	Success	15,298
May 11, 2026 01:13	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 01:12	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 01:11	Josu San Martin	CPPclang++15.0.7	Success	3,916
May 11, 2026 01:09	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 01:08	Josu San Martin	CPPclang++15.0.7	Success	3,885
May 11, 2026 00:50	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 00:49	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 00:48	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 00:47	Josu San Martin	CPPclang++15.0.7	Success	3,901
May 11, 2026 00:46	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 00:45	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 00:43	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 00:39	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 00:38	Josu San Martin	CPPclang++15.0.7	Success	4,345
May 11, 2026 00:35	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 00:34	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 00:33	Josu San Martin	CPPclang++15.0.7	Success	6,076
May 11, 2026 00:32	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 00:31	Josu San Martin	CPPclang++15.0.7	Success	4,145
May 11, 2026 00:30	Josu San Martin	CPPclang++15.0.7	Error
May 11, 2026 00:29	Josu San Martin	CPPclang++15.0.7	Success	3,887
May 11, 2026 00:28	Josu San Martin	CPPclang++15.0.7	Error
May 10, 2026 19:38	Josu San Martin	CPPclang++18.1.3	Error
May 10, 2026 19:37	Josu San Martin	CPPclang++15.0.7	Error
May 10, 2026 19:36	Josu San Martin	CPPclang++15.0.7	Success	3,925
May 10, 2026 19:35	Josu San Martin	CPPclang++15.0.7	Error
May 10, 2026 19:34	Josu San Martin	CPPclang++15.0.7	Error
May 10, 2026 19:30	Josu San Martin	CPPclang++15.0.7	Error
May 10, 2026 19:29	Josu San Martin	CPPclang++15.0.7	Success	4,041
May 10, 2026 19:28	Josu San Martin	CPPclang++15.0.7	Success	3,887
May 10, 2026 19:27	Josu San Martin	CPPclang++15.0.7	Success	3,886
May 10, 2026 19:26	Josu San Martin	CPPclang++15.0.7	Error
May 10, 2026 19:25	Josu San Martin	CPPclang++15.0.7	Error
May 10, 2026 19:24	Josu San Martin	CPPclang++15.0.7	Success	3,972

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