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
Dec 27, 2023 21:31	Jonathan Allen Grant	CPPclang++10.0.0	Success	527,822
Dec 27, 2023 21:30	Jonathan Allen Grant	CPPg++9.3.0	Success	525,550
Dec 27, 2023 21:27	Jonathan Allen Grant	CPPclang++10.0.0	Success	457,333
Dec 27, 2023 21:25	Jonathan Allen Grant	CPPclang++10.0.0	Error
Dec 27, 2023 21:23	Jonathan Allen Grant	CPPclang++10.0.0	Error
Dec 27, 2023 21:22	Jonathan Allen Grant	CPPclang++10.0.0	Error
Dec 27, 2023 21:20	Jonathan Allen Grant	CPPclang++10.0.0	Success	507,110
Dec 27, 2023 21:18	Jonathan Allen Grant	CPPclang++10.0.0	Success	457,032+15.76 RP
Dec 27, 2023 21:04	Jonathan Allen Grant	CPPclang++10.0.0	Success	1,640,385
Dec 27, 2023 21:04	Jonathan Allen Grant	CPPclang++10.0.0	Success	1,634,355+0.03 RP
Dec 27, 2023 21:04	Jonathan Allen Grant	CPPg++9.3.0	Success	1,642,110
Dec 27, 2023 21:03	Jonathan Allen Grant	CPPg++9.3.0	Success	1,642,186+6.09 RP
Dec 27, 2023 19:24	Alexander Frolov	GOgo1.21.5	Success	61,449+2.46 RP
Dec 27, 2023 19:18	Alexander Frolov	GOgo1.21.5	Success	64,295
Dec 27, 2023 18:35	Alexander Frolov	GOgo1.21.5	Success	71,185
Dec 27, 2023 10:29	Oleg Kovalov	CPPclang++10.0.0	Success	1,631,671
Dec 26, 2023 22:45	Alexander Frolov	GOgo1.21.5	Success	62,393+0.28 RP
Dec 26, 2023 21:39	Vitaliy F.	GOgo1.21.5	Success	63,659
Dec 26, 2023 21:34	Vitaliy F.	GOgo1.21.5	Success	70,437
Dec 26, 2023 21:31	Vitaliy F.	GOgo1.21.5	Success	242,172
Dec 26, 2023 21:22	Alexander Frolov	GOgo1.21.5	Success	100,180
Dec 26, 2023 19:40	Alexander Krivolapov	RUSTrust-1.74.1	Success	19,911
Dec 26, 2023 18:41	Andrey Likhachev	RUSTrust-1.71.0	Error
Dec 24, 2023 15:56	Alexander Krivolapov	RUSTrust-1.74.1	Success	19,918
Dec 24, 2023 11:20	Alexander Frolov	GOgo1.21.5	Success	92,079
Dec 24, 2023 11:17	Alexander Frolov	GOgo1.21.5	Error
Dec 24, 2023 11:12	Alexander Frolov	GOgo1.21.5	Success	82,399
Dec 24, 2023 11:11	Alexander Frolov	GOgo1.21.5	Success	82,388
Dec 23, 2023 23:54	Alexander Frolov	GOgo1.21.5	Success	65,052
Dec 23, 2023 23:30	Alexander Frolov	GOgo1.21.5	Success	62,502+2.61 RP
Dec 23, 2023 23:26	Alexander Frolov	GOgo1.21.5	Success	63,538+17.56 RP
Dec 23, 2023 23:25	Alexander Frolov	GOgo1.21.5	Error
Dec 23, 2023 22:24	Alexander Frolov	GOgo1.21.5	Success	78,085
Dec 23, 2023 22:17	Alexander Frolov	GOgo1.21.5	Success	71,515+1.90 RP
Dec 23, 2023 21:09	Alexander Frolov	GOgo1.21.5	Success	72,500+1.63 RP
Dec 23, 2023 21:07	Alexander Frolov	GOgo1.21.5	Error
Dec 23, 2023 21:04	Alexander Frolov	GOgo1.21.5	Success	73,369+0.02 RP
Dec 23, 2023 16:15	Alexander Krivolapov	RUSTrust-1.74.1	Success	20,165
Dec 23, 2023 15:52	Alexander Krivolapov	RUSTrust-1.74.1	Success	19,882+17.64 RP
Dec 23, 2023 15:47	Alexander Krivolapov	RUSTrust-1.74.1	Success	20,237+2.68 RP
Dec 23, 2023 15:10	Alexander Krivolapov	RUSTrust-1.74.1	Success	20,292+540.50 RP
Dec 23, 2023 11:25	Alexander Frolov	GOgo1.21.5	Success	73,378+2.90 RP
Dec 23, 2023 11:09	Alexander Frolov	GOgo1.21.5	Success	74,976+32.62 RP
Dec 23, 2023 11:06	Alexander Frolov	GOgo1.21.5	Success	99,245+100.76 RP
Dec 23, 2023 04:23	Andrey Nasonov	CPPg++9.3.0	Success	85,302+46.91 RP
Dec 23, 2023 04:22	Andrey Nasonov	CPPclang++10.0.0	Success	142,466
Dec 23, 2023 04:21	Andrey Nasonov	CPPclang++10.0.0	Success	142,506
Dec 23, 2023 04:20	Andrey Nasonov	CPPclang++10.0.0	Success	142,270
Dec 23, 2023 04:20	Andrey Nasonov	CPPclang++10.0.0	Success	142,215+0.28 RP
Dec 23, 2023 04:19	Andrey Nasonov	CPPclang++10.0.0	Success	142,780+0.47 RP
Dec 23, 2023 04:18	Andrey Nasonov	CPPclang++10.0.0	Success	143,749+1.06 RP
Dec 23, 2023 04:18	Andrey Nasonov	CPPclang++10.0.0	Success	145,978+0.37 RP
Dec 23, 2023 04:17	Andrey Nasonov	CPPclang++10.0.0	Success	146,761+16.04 RP
Dec 23, 2023 04:15	Andrey Nasonov	CPPclang++10.0.0	Success	191,934+0.06 RP
Dec 23, 2023 04:14	Andrey Nasonov	CPPclang++10.0.0	Success	192,167+0.56 RP
Dec 23, 2023 04:13	Andrey Nasonov	CPPclang++10.0.0	Success	194,761
Dec 23, 2023 04:12	Andrey Nasonov	CPPclang++10.0.0	Success	194,249+30.71 RP
Dec 23, 2023 04:09	Andrey Nasonov	CPPclang++10.0.0	Success	481,485+0.02 RP
Dec 23, 2023 04:07	Andrey Nasonov	CPPclang++10.0.0	Error
Dec 23, 2023 04:06	Andrey Nasonov	CPPg++9.3.0	Success	484,261
Dec 23, 2023 04:06	Andrey Nasonov	CPPclang++10.0.0	Success	481,993+0.18 RP
Dec 23, 2023 04:04	Andrey Nasonov	CPPclang++10.0.0	Success	486,223+14.34 RP
Dec 23, 2023 04:02	Andrey Nasonov	CPPclang++10.0.0	Success	1,605,922+6.23 RP
Dec 20, 2023 21:45	Vladyslav Zhelezniak	RUSTrust-1.74.0	Success	76,320+1.09 RP
Dec 20, 2023 18:51	Vladyslav Zhelezniak	RUSTrust-1.74.0	Success	76,959+15.06 RP
Dec 20, 2023 18:50	Vladyslav Zhelezniak	RUSTrust-1.74.0	Success	87,329
Dec 20, 2023 18:36	Vladyslav Zhelezniak	RUSTrust-1.74.0	Success	90,660
Dec 20, 2023 18:26	Vladyslav Zhelezniak	RUSTrust-1.74.0	Success	220,090
Dec 20, 2023 18:19	Vladyslav Zhelezniak	RUSTrust-1.74.0	Success	255,766
Dec 20, 2023 18:15	Vladyslav Zhelezniak	RUSTrust-1.74.0	Success	256,526
Dec 20, 2023 18:09	Vladyslav Zhelezniak	RUSTrust-1.74.0	Success	244,753
Dec 20, 2023 17:58	Vladyslav Zhelezniak	RUSTrust-1.74.0	Success	265,805
Dec 20, 2023 17:53	Vladyslav Zhelezniak	RUSTrust-1.74.0	Error
Dec 20, 2023 17:20	Vladyslav Zhelezniak	RUSTrust-1.74.0	Success	240,681
Dec 20, 2023 16:16	Vladyslav Zhelezniak	RUSTrust-1.74.0	Success	189,973
Dec 20, 2023 07:14	matsuoka-601	CPPclang++10.0.0	Success	6,988
Dec 20, 2023 07:14	matsuoka-601	CPPclang++10.0.0	Success	7,279
Dec 20, 2023 07:12	matsuoka-601	CPPclang++10.0.0	Success	6,953
Dec 20, 2023 07:11	matsuoka-601	CPPclang++10.0.0	Success	7,054
Dec 19, 2023 22:47	Kenneth Maples	CPPclang++10.0.0	Error
Dec 19, 2023 22:46	Kenneth Maples	CPPclang++10.0.0	Error
Dec 19, 2023 13:28	Oleg Kovalov	GOgo1.21.5	Success	96,938+4.66 RP
Dec 19, 2023 13:27	Oleg Kovalov	GOgo1.21.5	Success	101,523+38.02 RP
Dec 17, 2023 08:06	Kenneth Maples	CPPclang++10.0.0	Success	30,318+0.55 RP
Dec 17, 2023 08:05	Kenneth Maples	CPPclang++10.0.0	Success	104,517
Dec 17, 2023 04:37	matsuoka-601	CPPclang++10.0.0	Success	6,929
Dec 17, 2023 04:37	matsuoka-601	CPPclang++10.0.0	Success	7,105
Dec 17, 2023 04:36	matsuoka-601	CPPclang++10.0.0	Success	6,959
Dec 16, 2023 09:53	matsuoka-601	CPPclang++10.0.0	Error
Dec 16, 2023 09:52	matsuoka-601	CPPclang++10.0.0	Error
Dec 15, 2023 19:45	Dmitrii Vasilev	CPPg++9.3.0	Error
Dec 15, 2023 18:25	Richard Ragusski	GOgo1.21.5	Success	243,610+41.05 RP
Dec 15, 2023 14:13	matsuoka-601	CPPclang++10.0.0	Error
Dec 15, 2023 14:10	matsuoka-601	CPPclang++10.0.0	Success	6,928
Dec 15, 2023 14:10	matsuoka-601	CPPclang++10.0.0	Error
Dec 15, 2023 14:08	matsuoka-601	CPPclang++10.0.0	Success	7,054
Dec 15, 2023 14:08	matsuoka-601	CPPclang++10.0.0	Success	6,944
Dec 15, 2023 14:05	matsuoka-601	CPPclang++10.0.0	Success	6,947
Dec 15, 2023 14:05	matsuoka-601	CPPclang++10.0.0	Success	6,871+10.51 RP
Dec 15, 2023 14:04	matsuoka-601	CPPclang++10.0.0	Error

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