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
Jun 18, 2025 16:24	Andy Blair	GOgo1.24.4	Success	176,401+3.25 RP
Jun 18, 2025 16:20	Andy Blair	GOgo1.24.4	Success	187,130+2.62 RP
Jun 18, 2025 16:14	Andy Blair	GOgo1.24.4	Success	196,762+28.27 RP
Jun 18, 2025 16:04	Andy Blair	GOgo1.24.4	Success	443,426+22.55 RP
Jun 18, 2025 15:53	Andy Blair	GOgo1.24.4	Error
Jun 18, 2025 15:49	Andy Blair	GOgo1.24.4	Error
Jun 18, 2025 15:41	Andy Blair	GOgo1.24.4	Error
Jun 17, 2025 16:32	Павел Ратманов	CPPg++13.3.0	Error
Jun 15, 2025 12:42	Rajarshi Basu	CPPg++13.3.0	Error
Jun 13, 2025 13:28	Paweł Kruszec	CPPg++13.3.0	Error
Jun 13, 2025 13:24	Paweł Kruszec	CPPg++13.3.0	Success	532,265
Jun 13, 2025 13:22	Paweł Kruszec	CPPg++13.3.0	Error
Jun 13, 2025 13:21	Paweł Kruszec	CPPg++13.3.0	Error
Jun 13, 2025 13:21	Paweł Kruszec	CPPg++13.3.0	Error
Jun 13, 2025 13:20	Paweł Kruszec	CPPg++13.3.0	Error
Jun 13, 2025 13:14	Paweł Kruszec	CPPg++13.3.0	Success	530,102+18.86 RP
Jun 12, 2025 11:22	Павел Ратманов	CPPg++13.3.0	Success	105,659
Jun 12, 2025 11:15	Павел Ратманов	CPPg++13.3.0	Success	58,496
Jun 11, 2025 22:45	Павел Ратманов	CPPg++13.3.0	Success	105,636
Jun 11, 2025 22:43	Павел Ратманов	CPPg++13.3.0	Error
Jun 11, 2025 22:07	Павел Ратманов	CPPg++13.3.0	Success	104,907
Jun 11, 2025 22:01	Павел Ратманов	CPPg++13.3.0	Error
Jun 11, 2025 11:13	cdillond	CPPg++13.3.0	Success	2,068,220
Jun 11, 2025 10:22	cdillond	GOgo1.24.4	Success	160,628+4.46 RP
Jun 11, 2025 10:08	cdillond	GOgo1.24.4	Success	197,351
Jun 11, 2025 09:48	cdillond	GOgo1.24.4	Success	173,033+16.46 RP
Jun 11, 2025 09:32	cdillond	GOgo1.24.4	Success	241,918+41.34 RP
Jun 11, 2025 09:30	cdillond	GOgo1.24.4	Error
Jun 10, 2025 21:47	Hayk Karapetyan	CPPg++13.3.0	Success	51,945+20.11 RP
Jun 10, 2025 21:46	Hayk Karapetyan	CPPg++13.3.0	Success	74,216
Jun 10, 2025 21:45	Hayk Karapetyan	CPPg++13.3.0	Success	58,004+23.55 RP
Jun 10, 2025 21:18	Hayk Karapetyan	CPPg++13.3.0	Success	86,631
Jun 10, 2025 21:17	Павел Ратманов	CPPg++13.3.0	Success	133,322
Jun 10, 2025 21:15	Павел Ратманов	CPPg++13.3.0	Success	133,491
Jun 10, 2025 21:11	Павел Ратманов	CPPg++13.3.0	Error
Jun 10, 2025 21:10	Павел Ратманов	CPPg++13.3.0	Error
Jun 10, 2025 21:09	Павел Ратманов	CPPg++13.3.0	Success	67,110
Jun 10, 2025 21:07	Павел Ратманов	CPPg++13.3.0	Error
Jun 10, 2025 21:02	Павел Ратманов	CPPg++13.3.0	Error
Jun 10, 2025 20:51	Павел Ратманов	CPPg++13.3.0	Error
Jun 10, 2025 20:50	Павел Ратманов	CPPg++13.3.0	Error
Jun 10, 2025 16:28	Павел Ратманов	CPPg++13.3.0	Success	88,605
Jun 10, 2025 16:27	Павел Ратманов	CPPg++13.3.0	Success	65,518
Jun 10, 2025 16:14	Павел Ратманов	CPPg++13.3.0	Success	66,990
Jun 10, 2025 16:08	Павел Ратманов	CPPg++13.3.0	Success	62,884
Jun 10, 2025 13:47	Павел Ратманов	CPPg++13.3.0	Success	89,441
Jun 10, 2025 13:46	Павел Ратманов	CPPg++13.3.0	Success	69,829
Jun 10, 2025 13:46	Павел Ратманов	CPPg++13.3.0	Success	67,223
Jun 10, 2025 13:45	Павел Ратманов	CPPg++13.3.0	Success	67,157
Jun 10, 2025 13:39	Павел Ратманов	CPPclang++18.1.3	Success	86,150
Jun 10, 2025 13:34	Павел Ратманов	CPPg++13.3.0	Success	89,233
Jun 10, 2025 13:28	Павел Ратманов	CPPg++13.3.0	Error
Jun 10, 2025 13:18	Павел Ратманов	CPPg++13.3.0	Success	55,136
Jun 10, 2025 13:16	Павел Ратманов	CPPg++13.3.0	Success	55,188
Jun 10, 2025 13:16	Sean McLoughlin	CPPg++13.3.0	Success	2,066,429+4.84 RP
Jun 10, 2025 13:16	Павел Ратманов	CPPg++13.3.0	Success	60,227
Jun 10, 2025 13:15	Павел Ратманов	CPPg++13.3.0	Success	692,218
Jun 10, 2025 13:13	Павел Ратманов	CPPg++13.3.0	Error
Jun 10, 2025 13:03	Павел Ратманов	CPPg++13.3.0	Error
Jun 10, 2025 13:03	Павел Ратманов	CPPg++13.3.0	Error
Jun 10, 2025 13:00	Павел Ратманов	CPPg++13.3.0	Error
Jun 10, 2025 11:34	Павел Ратманов	CPPg++13.3.0	Error
Jun 10, 2025 11:33	Павел Ратманов	CPPg++13.3.0	Success	76,154
Jun 10, 2025 11:32	Павел Ратманов	CPPg++13.3.0	Success	72,844
Jun 10, 2025 11:32	Павел Ратманов	CPPclang++18.1.3	Success	100,092
Jun 10, 2025 11:31	Павел Ратманов	CPPclang++18.1.3	Success	133,567
Jun 10, 2025 11:31	Павел Ратманов	CPPclang++18.1.3	Success	133,932
Jun 10, 2025 11:28	Павел Ратманов	CPPclang++18.1.3	Success	134,734
Jun 10, 2025 11:27	Павел Ратманов	CPPclang++18.1.3	Error
Jun 10, 2025 11:26	Павел Ратманов	CPPg++13.3.0	Error
Jun 10, 2025 11:25	Павел Ратманов	CPPg++13.3.0	Error
Jun 10, 2025 11:22	Павел Ратманов	CPPg++13.3.0	Error
Jun 10, 2025 10:07	Павел Ратманов	CPPg++13.3.0	Success	2,067,236
Jun 8, 2025 23:54	Hayk Karapetyan	CPPg++13.3.0	Success	67,181+33.39 RP
Jun 8, 2025 21:51	Hayk Karapetyan	CPPg++13.3.0	Success	93,094
Jun 8, 2025 21:35	Hayk Karapetyan	CPPg++13.3.0	Success	88,615
Jun 8, 2025 21:30	Hayk Karapetyan	CPPg++13.3.0	Success	86,611+93.70 RP
Jun 8, 2025 21:27	Hayk Karapetyan	CPPg++13.3.0	Error
Jun 8, 2025 21:25	Hayk Karapetyan	CPPg++13.3.0	Error
Jun 8, 2025 19:59	Hayk Karapetyan	CPPg++13.3.0	Success	459,535+21.76 RP
Jun 8, 2025 09:56	limanjun99	CPPg++13.3.0	Success	44,847
Jun 8, 2025 09:55	limanjun99	CPPg++13.3.0	Success	44,842
Jun 8, 2025 09:52	limanjun99	CPPg++13.3.0	Success	44,821
Jun 8, 2025 09:50	limanjun99	CPPg++13.3.0	Error
Jun 8, 2025 09:47	limanjun99	CPPg++13.3.0	Success	44,751
Jun 8, 2025 09:45	limanjun99	CPPg++13.3.0	Success	43,780
Jun 8, 2025 09:42	limanjun99	CPPg++13.3.0	Success	45,066
Jun 8, 2025 09:28	limanjun99	CPPg++13.3.0	Success	43,505+14.68 RP
Jun 8, 2025 09:28	limanjun99	CPPg++13.3.0	Success	48,157
Jun 8, 2025 09:11	limanjun99	CPPg++13.3.0	Success	79,897
Jun 8, 2025 09:11	limanjun99	CPPg++13.3.0	Success	78,260
Jun 8, 2025 09:07	limanjun99	CPPg++13.3.0	Success	64,632
Jun 8, 2025 09:07	limanjun99	CPPg++13.3.0	Success	64,713
Jun 8, 2025 09:06	limanjun99	CPPg++13.3.0	Success	65,995
Jun 8, 2025 09:02	limanjun99	CPPg++13.3.0	Error
Jun 8, 2025 09:01	limanjun99	CPPg++13.3.0	Error
Jun 8, 2025 08:27	limanjun99	CPPg++13.3.0	Success	52,157
Jun 8, 2025 08:25	limanjun99	CPPg++13.3.0	Success	48,492
Jun 7, 2025 09:33	limanjun99	CPPg++13.3.0	Success	48,836
Jun 7, 2025 09:32	limanjun99	CPPg++13.3.0	Success	58,960

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