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 16, 2026 05:40	Victor Mercklé	CPPg++14.2.0	Success	6,956
May 16, 2026 05:35	Victor Mercklé	CPPg++14.2.0	Success	6,960
May 16, 2026 05:15	Victor Mercklé	CPPg++14.2.0	Success	6,956
May 16, 2026 05:10	Victor Mercklé	CPPg++14.2.0	Success	6,954
May 16, 2026 05:04	Victor Mercklé	CPPg++14.2.0	Success	6,956
May 16, 2026 04:58	Victor Mercklé	CPPg++14.2.0	Success	7,132
May 16, 2026 04:53	Victor Mercklé	CPPg++14.2.0	Success	6,967
May 16, 2026 04:47	Victor Mercklé	CPPg++14.2.0	Success	6,962
May 16, 2026 04:39	Victor Mercklé	CPPg++14.2.0	Success	6,950
May 16, 2026 04:34	Victor Mercklé	CPPg++14.2.0	Success	7,064
May 16, 2026 04:19	Victor Mercklé	CPPg++14.2.0	Success	6,956
May 16, 2026 04:14	Victor Mercklé	CPPg++14.2.0	Error
May 16, 2026 04:08	Victor Mercklé	CPPg++14.2.0	Success	6,958
May 16, 2026 04:03	Victor Mercklé	CPPg++14.2.0	Success	7,005
May 16, 2026 03:58	Victor Mercklé	CPPg++14.2.0	Success	6,956
May 16, 2026 03:53	Victor Mercklé	CPPg++14.2.0	Success	6,967
May 16, 2026 03:48	Victor Mercklé	CPPg++14.2.0	Success	6,952
May 16, 2026 03:43	Victor Mercklé	CPPg++14.2.0	Success	6,951
May 16, 2026 03:38	Victor Mercklé	CPPg++14.2.0	Success	6,950
May 16, 2026 03:33	Victor Mercklé	CPPg++14.2.0	Error
May 16, 2026 03:28	Victor Mercklé	CPPg++14.2.0	Success	7,121
May 16, 2026 03:23	Victor Mercklé	CPPg++14.2.0	Success	6,951
May 16, 2026 03:13	Victor Mercklé	CPPg++14.2.0	Success	52,340
May 16, 2026 03:08	Victor Mercklé	CPPg++14.2.0	Success	61,331
May 16, 2026 03:03	Victor Mercklé	CPPg++14.2.0	Success	52,347
May 16, 2026 02:58	Victor Mercklé	CPPg++14.2.0	Success	6,967
May 16, 2026 02:50	Victor Mercklé	CPPg++14.2.0	Success	7,027
May 16, 2026 02:44	Victor Mercklé	CPPg++14.2.0	Success	7,127
May 16, 2026 02:38	Victor Mercklé	CPPg++14.2.0	Error
May 16, 2026 02:33	Victor Mercklé	CPPg++14.2.0	Success	6,952
May 16, 2026 02:28	Victor Mercklé	CPPg++14.2.0	Error
May 16, 2026 02:23	Victor Mercklé	CPPg++14.2.0	Success	6,959
May 16, 2026 02:18	Victor Mercklé	CPPg++14.2.0	Success	6,953
May 16, 2026 02:14	Victor Mercklé	CPPg++14.2.0	Success	6,953
May 16, 2026 02:09	Victor Mercklé	CPPg++14.2.0	Error
May 16, 2026 02:04	Victor Mercklé	CPPg++14.2.0	Success	6,957
May 16, 2026 01:56	Victor Mercklé	CPPg++14.2.0	Success	6,990
May 16, 2026 01:51	Victor Mercklé	CPPg++14.2.0	Success	6,971
May 16, 2026 01:46	Victor Mercklé	CPPg++14.2.0	Error
May 16, 2026 01:41	Victor Mercklé	CPPg++14.2.0	Error
May 16, 2026 01:36	Victor Mercklé	CPPg++14.2.0	Success	6,956
May 16, 2026 01:31	Victor Mercklé	CPPg++14.2.0	Success	6,958
May 16, 2026 01:26	Victor Mercklé	CPPg++14.2.0	Success	6,951
May 16, 2026 01:20	Victor Mercklé	CPPg++14.2.0	Success	6,962
May 16, 2026 01:10	Victor Mercklé	CPPg++14.2.0	Error
May 16, 2026 01:05	Victor Mercklé	CPPg++14.2.0	Error
May 16, 2026 01:00	Victor Mercklé	CPPg++14.2.0	Success	6,950
May 16, 2026 00:55	Victor Mercklé	CPPg++14.2.0	Success	6,953
May 16, 2026 00:48	Victor Mercklé	CPPg++14.2.0	Success	6,952
May 16, 2026 00:43	Victor Mercklé	CPPg++14.2.0	Success	6,950
May 16, 2026 00:38	Victor Mercklé	CPPg++14.2.0	Success	6,975
May 16, 2026 00:33	Victor Mercklé	CPPg++14.2.0	Success	6,996
May 16, 2026 00:28	Victor Mercklé	CPPg++14.2.0	Success	7,046
May 16, 2026 00:23	Victor Mercklé	CPPg++14.2.0	Success	6,984
May 16, 2026 00:18	Victor Mercklé	CPPg++14.2.0	Success	6,954
May 16, 2026 00:13	Victor Mercklé	CPPg++14.2.0	Success	6,954
May 16, 2026 00:07	Victor Mercklé	CPPg++14.2.0	Success	6,959
May 16, 2026 00:02	Victor Mercklé	CPPg++14.2.0	Success	6,955
May 15, 2026 23:57	Victor Mercklé	CPPg++14.2.0	Error
May 15, 2026 23:52	Victor Mercklé	CPPg++14.2.0	Error
May 15, 2026 23:47	Victor Mercklé	CPPg++14.2.0	Success	6,951
May 15, 2026 23:42	Victor Mercklé	CPPg++14.2.0	Success	6,968
May 15, 2026 23:37	Victor Mercklé	CPPg++14.2.0	Success	6,952
May 15, 2026 23:32	Victor Mercklé	CPPg++14.2.0	Error
May 15, 2026 23:27	Victor Mercklé	CPPg++14.2.0	Success	6,950+0.21 RP
May 15, 2026 23:22	Victor Mercklé	CPPg++14.2.0	Success	6,955
May 15, 2026 23:16	Victor Mercklé	CPPg++14.2.0	Success	6,976
May 15, 2026 23:11	Victor Mercklé	CPPg++14.2.0	Success	6,958
May 15, 2026 23:06	Victor Mercklé	CPPg++14.2.0	Success	6,951
May 15, 2026 23:01	Victor Mercklé	CPPg++14.2.0	Success	6,956
May 15, 2026 22:56	Victor Mercklé	CPPg++14.2.0	Success	6,954
May 15, 2026 22:51	Victor Mercklé	CPPg++14.2.0	Success	6,955
May 15, 2026 22:46	Victor Mercklé	CPPg++14.2.0	Success	6,956
May 15, 2026 22:41	Victor Mercklé	CPPg++14.2.0	Success	6,955
May 15, 2026 22:36	Victor Mercklé	CPPg++14.2.0	Success	6,964
May 15, 2026 22:31	Victor Mercklé	CPPg++14.2.0	Success	6,976
May 15, 2026 22:26	Victor Mercklé	CPPg++14.2.0	Success	6,995
May 15, 2026 22:21	Victor Mercklé	CPPg++14.2.0	Success	6,981
May 15, 2026 22:16	Victor Mercklé	CPPg++14.2.0	Success	6,957
May 15, 2026 22:11	Victor Mercklé	CPPg++14.2.0	Success	6,983
May 15, 2026 22:06	Victor Mercklé	CPPg++14.2.0	Success	6,955
May 15, 2026 22:01	Victor Mercklé	CPPg++14.2.0	Success	6,967
May 15, 2026 21:56	Victor Mercklé	CPPg++14.2.0	Success	6,951+0.62 RP
May 15, 2026 21:51	Victor Mercklé	CPPg++14.2.0	Success	6,985
May 15, 2026 21:46	Victor Mercklé	CPPg++14.2.0	Success	6,955
May 15, 2026 21:33	flavio87	CPPg++14.2.0	Success	6,124+3.46 RP
May 15, 2026 20:01	Victor Mercklé	CPPg++14.2.0	Success	73,390
May 15, 2026 19:47	Victor Mercklé	CPPg++14.2.0	Success	97,299
May 15, 2026 19:34	Victor Mercklé	CPPg++14.2.0	Success	95,723
May 15, 2026 19:17	Milo Presedo	CPPg++14.2.0	Success	7,987
May 15, 2026 19:17	Victor Mercklé	CPPg++14.2.0	Success	90,703
May 15, 2026 19:01	Victor Mercklé	CPPg++14.2.0	Success	79,475
May 15, 2026 18:50	Victor Mercklé	CPPg++14.2.0	Success	6,957
May 15, 2026 18:45	Victor Mercklé	CPPg++14.2.0	Success	87,141
May 15, 2026 18:25	Victor Mercklé	CPPg++14.2.0	Success	6,954+2.06 RP
May 15, 2026 18:04	Victor Mercklé	CPPg++14.2.0	Success	6,981
May 15, 2026 17:24	Victor Mercklé	CPPg++14.2.0	Success	6,967
May 15, 2026 15:08	Victor Mercklé	CPPg++14.2.0	Success	6,974
May 15, 2026 15:03	Victor Mercklé	CPPg++14.2.0	Success	6,969
May 15, 2026 14:58	Victor Mercklé	CPPg++14.2.0	Success	6,973

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