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
Jan 17, 2022 15:10	Yuriy Lyfenko	GOgo1.14.15	Success	27,230
Jan 17, 2022 15:09	Yuriy Lyfenko	GOgo1.14.15	Error
Jan 17, 2022 14:37	Yuriy Lyfenko	GOgo1.12.9	Error
Jan 17, 2022 14:36	Yuriy Lyfenko	GOgo1.12.9	Success	27,113+0.45 RP
Jan 17, 2022 14:36	Yuriy Lyfenko	GOgo1.12.9	Success	27,295
Jan 17, 2022 14:35	Yuriy Lyfenko	GOgo1.12.9	Success	27,190
Jan 17, 2022 12:05	Andrey Tsvetkov	GOgo1.14.15	Success	32,126+0.70 RP
Jan 17, 2022 12:04	Andrey Tsvetkov	GOgo1.14.15	Success	38,509
Jan 17, 2022 12:02	Andrey Tsvetkov	GOgo1.14.15	Success	44,693
Jan 17, 2022 11:22	Andrey Tsvetkov	GOgo1.14.15	Success	42,192
Jan 17, 2022 11:19	Andrey Tsvetkov	GOgo1.14.15	Success	41,693
Jan 17, 2022 11:17	Andrey Tsvetkov	GOgo1.14.15	Success	39,940
Jan 17, 2022 11:15	Andrey Tsvetkov	GOgo1.17.6	Success	33,003
Jan 17, 2022 11:08	Andrey Tsvetkov	GOgo1.17.6	Success	48,062
Jan 17, 2022 11:08	Andrey Tsvetkov	GOgo1.14.15	Success	46,513
Jan 17, 2022 10:52	Andrey Tsvetkov	GOgo1.17.6	Success	44,068
Jan 17, 2022 10:51	Andrey Tsvetkov	GOgo1.14.15	Success	42,568
Jan 17, 2022 10:48	Andrey Tsvetkov	GOgo1.14.15	Error
Jan 17, 2022 10:35	Andrey Tsvetkov	GOgo1.14.15	Success	37,299
Jan 17, 2022 10:34	Andrey Tsvetkov	GOgo1.14.15	Success	35,287
Jan 17, 2022 10:34	Andrey Tsvetkov	GOgo1.14.15	Success	36,430
Jan 17, 2022 10:33	Andrey Tsvetkov	GOgo1.14.15	Success	39,783
Jan 17, 2022 10:32	Andrey Tsvetkov	GOgo1.14.15	Success	45,089
Jan 17, 2022 10:32	Andrey Tsvetkov	GOgo1.14.15	Error
Jan 17, 2022 10:30	Andrey Tsvetkov	GOgo1.14.15	Error
Jan 17, 2022 10:24	Andrey Tsvetkov	GOgo1.14.15	Success	63,324
Jan 17, 2022 10:09	Andrey Tsvetkov	GOgo1.14.15	Success	63,275
Jan 17, 2022 10:09	Andrey Tsvetkov	GOgo1.17.6	Success	57,270
Jan 17, 2022 10:08	Andrey Tsvetkov	GOgo1.17.6	Success	56,900
Jan 17, 2022 10:07	Andrey Tsvetkov	GOgo1.17.6	Success	59,304
Jan 17, 2022 10:06	Andrey Tsvetkov	GOgo1.17.6	Success	55,800
Jan 17, 2022 10:05	Andrey Tsvetkov	GOgo1.17.6	Success	57,452
Jan 17, 2022 10:04	Andrey Tsvetkov	GOgo1.17.6	Success	56,147
Jan 17, 2022 10:03	Andrey Tsvetkov	GOgo1.17.6	Success	56,929
Jan 17, 2022 10:02	Andrey Tsvetkov	GOgo1.17.6	Error
Jan 17, 2022 10:02	Andrey Tsvetkov	GOgo1.17.6	Success	55,756
Jan 17, 2022 10:01	Andrey Tsvetkov	GOgo1.14.15	Success	63,687
Jan 17, 2022 10:00	Andrey Tsvetkov	GOgo1.14.15	Success	63,846
Jan 17, 2022 09:49	Andrey Tsvetkov	GOgo1.14.15	Error
Jan 17, 2022 09:26	Andrey Tsvetkov	GOgo1.14.15	Error
Jan 17, 2022 09:24	Andrey Tsvetkov	GOgo1.14.15	Error
Jan 17, 2022 09:20	Andrey Tsvetkov	GOgo1.14.15	Error
Jan 17, 2022 08:12	Andrey Tsvetkov	GOgo1.14.15	Success	39,951
Jan 17, 2022 07:54	Andrey Tsvetkov	GOgo1.14.15	Error
Jan 17, 2022 07:53	Andrey Tsvetkov	GOgo1.14.15	Success	39,956
Jan 17, 2022 07:52	Andrey Tsvetkov	GOgo1.14.15	Success	39,946
Jan 17, 2022 07:37	Andrey Tsvetkov	GOgo1.14.15	Success	32,198+4.31 RP
Jan 17, 2022 06:50	Yuriy Lyfenko	GOgo1.12.9	Success	27,146+0.14 RP
Jan 17, 2022 06:47	Yuriy Lyfenko	GOgo1.12.9	Success	27,156+1.84 RP
Jan 17, 2022 06:46	Yuriy Lyfenko	GOgo1.13.9	Success	29,510
Jan 17, 2022 06:42	Yuriy Lyfenko	GOgo1.13.9	Success	27,294
Jan 17, 2022 06:40	Yuriy Lyfenko	GOgo1.13.9	Success	27,654
Jan 17, 2022 06:39	Yuriy Lyfenko	GOgo1.13.9	Success	27,367
Jan 17, 2022 06:37	Yuriy Lyfenko	GOgo1.13.9	Success	27,292+14.37 RP
Jan 17, 2022 06:27	Yuriy Lyfenko	GOgo1.13.9	Error
Jan 17, 2022 06:06	Yuriy Lyfenko	GOgo1.13.9	Success	29,688
Jan 17, 2022 06:04	Yuriy Lyfenko	GOgo1.13.9	Success	29,217
Jan 17, 2022 05:20	Yuriy Lyfenko	GOgo1.13.9	Success	30,949
Jan 17, 2022 04:53	Yuriy Lyfenko	GOgo1.13.9	Success	30,946
Jan 17, 2022 04:52	Yuriy Lyfenko	GOgo1.17.6	Success	32,268
Jan 17, 2022 04:51	Yuriy Lyfenko	GOgo1.13.9	Success	31,516
Jan 17, 2022 04:14	Yuriy Lyfenko	GOgo1.13.9	Success	38,223
Jan 17, 2022 01:40	Yuriy Lyfenko	GOgo1.13.9	Success	29,207
Jan 17, 2022 01:39	Yuriy Lyfenko	GOgo1.13.9	Success	29,301
Jan 17, 2022 01:36	Yuriy Lyfenko	GOgo1.13.9	Success	29,675
Jan 17, 2022 01:36	Yuriy Lyfenko	GOgo1.13.9	Success	30,462
Jan 17, 2022 01:28	Yuriy Lyfenko	GOgo1.13.9	Error
Jan 17, 2022 00:32	Yuriy Lyfenko	GOgo1.13.9	Success	29,210
Jan 17, 2022 00:31	Yuriy Lyfenko	GOgo1.13.9	Success	29,669
Jan 17, 2022 00:30	Yuriy Lyfenko	GOgo1.13.9	Error
Jan 17, 2022 00:30	Yuriy Lyfenko	GOgo1.13.9	Success	29,745
Jan 17, 2022 00:28	Yuriy Lyfenko	GOgo1.13.9	Error
Jan 17, 2022 00:27	Yuriy Lyfenko	GOgo1.13.9	Success	29,730
Jan 17, 2022 00:25	Yuriy Lyfenko	GOgo1.13.9	Success	29,244
Jan 17, 2022 00:25	Yuriy Lyfenko	GOgo1.13.9	Error
Jan 17, 2022 00:25	Yuriy Lyfenko	GOgo1.13.9	Error
Jan 17, 2022 00:13	Yuriy Lyfenko	GOgo1.13.9	Success	30,738
Jan 17, 2022 00:13	Yuriy Lyfenko	GOgo1.13.9	Success	47,091
Jan 17, 2022 00:10	Yuriy Lyfenko	GOgo1.13.9	Success	30,736
Jan 17, 2022 00:03	Yuriy Lyfenko	GOgo1.13.9	Success	30,774
Jan 16, 2022 23:48	Yuriy Lyfenko	GOgo1.13.9	Success	30,764
Jan 16, 2022 23:24	Yuriy Lyfenko	GOgo1.13.9	Success	30,771
Jan 16, 2022 22:51	Yuriy Lyfenko	GOgo1.13.9	Success	30,723
Jan 16, 2022 22:42	Yuriy Lyfenko	GOgo1.13.9	Success	30,798
Jan 16, 2022 22:41	Yuriy Lyfenko	GOgo1.13.9	Error
Jan 16, 2022 22:41	Yuriy Lyfenko	GOgo1.13.9	Success	30,842
Jan 16, 2022 22:39	Yuriy Lyfenko	GOgo1.13.9	Success	31,608
Jan 16, 2022 22:32	Yuriy Lyfenko	GOgo1.13.9	Success	31,791
Jan 16, 2022 22:25	Yuriy Lyfenko	GOgo1.13.9	Success	31,201
Jan 16, 2022 22:24	Yuriy Lyfenko	GOgo1.13.9	Success	31,741
Jan 16, 2022 22:21	Yuriy Lyfenko	GOgo1.13.9	Success	31,207
Jan 16, 2022 22:10	Yuriy Lyfenko	GOgo1.13.9	Success	31,275
Jan 16, 2022 22:09	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jan 16, 2022 21:15	Yuriy Lyfenko	GOgo1.13.15	Success	31,908
Jan 16, 2022 21:15	Yuriy Lyfenko	GOgo1.16.13	Success	31,572
Jan 16, 2022 21:14	Yuriy Lyfenko	GOgo1.12.9	Success	31,234
Jan 16, 2022 21:14	Yuriy Lyfenko	GOgo1.13.9	Success	31,198
Jan 16, 2022 21:13	Yuriy Lyfenko	GOgo1.13.9	Success	31,203
Jan 16, 2022 20:45	Yuriy Lyfenko	GOgo1.13.9	Success	31,813
Jan 16, 2022 20:45	Yuriy Lyfenko	GOgo1.13.9	Error

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