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 2, 2023 21:41	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jan 2, 2023 21:28	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jan 2, 2023 20:32	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jan 2, 2023 19:12	Edgar	RUSTrust-1.66.0	Success	57,132
Jan 2, 2023 19:10	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jan 2, 2023 19:08	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jan 2, 2023 17:19	Bernard Teo	CPPg++9.3.0	Success	6,393
Jan 2, 2023 17:14	Bernard Teo	CPPg++9.3.0	Success	6,311
Jan 2, 2023 17:13	Bernard Teo	CPPg++9.3.0	Success	6,438
Jan 2, 2023 17:11	Bernard Teo	CPPg++9.3.0	Success	8,029
Jan 2, 2023 17:08	Bernard Teo	CPPg++9.3.0	Success	8,055
Jan 2, 2023 17:05	Bernard Teo	CPPg++9.3.0	Success	16,314
Jan 2, 2023 16:52	Bernard Teo	CPPg++9.3.0	Success	6,969
Jan 2, 2023 16:51	Bernard Teo	CPPg++9.3.0	Success	6,392
Jan 2, 2023 16:50	Bernard Teo	CPPg++9.3.0	Success	6,458
Jan 2, 2023 16:49	Bernard Teo	CPPg++9.3.0	Error
Jan 2, 2023 16:06	Yuriy Lyfenko	CPPclang++10.0.0	Success	8,073
Jan 2, 2023 16:04	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jan 2, 2023 15:48	Udbhav	RUSTrust-1.66.0	Success	40,308
Jan 2, 2023 15:45	Yuriy Lyfenko	CPPclang++10.0.0	Error
Jan 2, 2023 15:40	Udbhav	RUSTrust-1.66.0	Success	47,796
Jan 2, 2023 15:38	Udbhav	RUSTrust-1.66.0	Success	44,717
Jan 2, 2023 14:20	A L Manning	RUSTrust-1.66.0	Success	109,078+2.87 RP
Jan 2, 2023 14:10	A L Manning	RUSTrust-1.66.0	Success	112,825
Jan 2, 2023 14:04	A L Manning	RUSTrust-1.66.0	Success	113,223
Jan 2, 2023 13:58	A L Manning	RUSTrust-1.66.0	Success	112,598+19.44 RP
Jan 2, 2023 13:54	A L Manning	RUSTrust-1.66.0	Success	173,354
Jan 2, 2023 13:49	A L Manning	RUSTrust-1.66.0	Error
Jan 2, 2023 13:47	A L Manning	RUSTrust-1.66.0	Error
Jan 2, 2023 13:42	A L Manning	RUSTrust-1.66.0	Success	147,965
Jan 2, 2023 13:24	A L Manning	RUSTrust-1.66.0	Success	147,983
Jan 2, 2023 13:18	A L Manning	RUSTrust-1.66.0	Error
Jan 2, 2023 13:16	A L Manning	RUSTrust-1.66.0	Success	144,159+69.37 RP
Jan 2, 2023 13:11	A L Manning	RUSTrust-1.66.0	Error
Jan 1, 2023 19:55	Udbhav	RUSTrust-1.66.0	Success	39,014
Jan 1, 2023 19:46	Udbhav	RUSTrust-1.66.0	Success	41,550
Jan 1, 2023 19:39	Udbhav	RUSTrust-1.66.0	Success	40,231
Jan 1, 2023 19:37	Udbhav	RUSTrust-1.66.0	Success	40,418
Jan 1, 2023 19:31	Udbhav	RUSTrust-1.66.0	Success	40,281
Jan 1, 2023 19:31	Udbhav	RUSTrust-1.66.0	Success	39,196
Jan 1, 2023 19:28	Udbhav	RUSTrust-1.66.0	Success	39,260
Jan 1, 2023 18:46	Udbhav	RUSTrust-1.66.0	Success	39,258
Jan 1, 2023 18:43	Udbhav	RUSTrust-1.66.0	Success	39,266
Jan 1, 2023 18:43	Udbhav	RUSTrust-1.66.0	Success	41,298
Jan 1, 2023 18:26	Udbhav	RUSTrust-1.66.0	Success	39,793
Jan 1, 2023 18:26	Udbhav	RUSTrust-1.66.0	Error
Jan 1, 2023 18:23	Udbhav	RUSTrust-1.66.0	Success	40,261
Jan 1, 2023 18:17	Jack Frigaard	CPPclang++10.0.0	Success	4,850
Jan 1, 2023 18:16	Jack Frigaard	CPPclang++10.0.0	Success	4,869
Jan 1, 2023 18:15	Jack Frigaard	CPPclang++10.0.0	Error
Jan 1, 2023 18:11	Udbhav	RUSTrust-1.66.0	Success	39,899
Jan 1, 2023 17:59	Jack Frigaard	CPPclang++10.0.0	Success	5,005
Jan 1, 2023 17:58	Udbhav	RUSTrust-1.66.0	Success	41,642
Jan 1, 2023 17:58	Jack Frigaard	CPPclang++10.0.0	Success	4,792+66.84 RP
Jan 1, 2023 17:49	Jack Frigaard	CPPclang++10.0.0	Success	4,953
Jan 1, 2023 17:48	Udbhav	RUSTrust-1.66.0	Success	59,386
Jan 1, 2023 17:47	Udbhav	RUSTrust-1.66.0	Success	66,365
Jan 1, 2023 17:46	Udbhav	RUSTrust-1.66.0	Error
Jan 1, 2023 17:45	Jack Frigaard	CPPclang++10.0.0	Success	5,045
Jan 1, 2023 17:43	Jack Frigaard	CPPclang++10.0.0	Success	4,897
Jan 1, 2023 17:42	Jack Frigaard	CPPclang++10.0.0	Error
Jan 1, 2023 17:40	Jack Frigaard	CPPclang++10.0.0	Success	4,944
Jan 1, 2023 17:39	Jack Frigaard	CPPclang++10.0.0	Success	5,020
Jan 1, 2023 17:33	Jack Frigaard	CPPclang++10.0.0	Success	5,013
Jan 1, 2023 16:58	Hal F	CPPclang++10.0.0	Success	8,016
Jan 1, 2023 16:58	Hal F	CPPclang++10.0.0	Success	6,736
Jan 1, 2023 16:57	Hal F	CPPclang++10.0.0	Success	6,764
Jan 1, 2023 16:57	Hal F	CPPclang++10.0.0	Success	6,879
Jan 1, 2023 16:56	Jack Frigaard	CPPclang++10.0.0	Success	5,047
Jan 1, 2023 16:56	Hal F	CPPclang++10.0.0	Success	6,853
Jan 1, 2023 16:56	Jack Frigaard	CPPclang++10.0.0	Success	5,042
Jan 1, 2023 16:56	Hal F	CPPclang++10.0.0	Success	6,865
Jan 1, 2023 16:55	Jack Frigaard	CPPclang++10.0.0	Error
Jan 1, 2023 16:47	Hal F	CPPclang++10.0.0	Error
Jan 1, 2023 16:44	Hal F	CPPclang++10.0.0	Success	6,687+7.79 RP
Jan 1, 2023 16:42	Hal F	CPPclang++10.0.0	Error
Jan 1, 2023 16:39	Hal F	CPPclang++10.0.0	Error
Jan 1, 2023 16:36	Hal F	CPPclang++10.0.0	Error
Jan 1, 2023 16:36	Jack Frigaard	CPPclang++10.0.0	Error
Jan 1, 2023 16:36	Hal F	CPPclang++10.0.0	Success	6,722+3.31 RP
Jan 1, 2023 16:33	Jack Frigaard	CPPclang++10.0.0	Success	4,921
Jan 1, 2023 16:32	Jack Frigaard	CPPclang++10.0.0	Error
Jan 1, 2023 16:32	Jack Frigaard	CPPclang++10.0.0	Error
Jan 1, 2023 16:31	Hal F	CPPclang++10.0.0	Success	6,737+2.86 RP
Jan 1, 2023 16:24	Hal F	CPPclang++10.0.0	Success	6,750+45.53 RP
Jan 1, 2023 16:22	Hal F	CPPclang++10.0.0	Error
Jan 1, 2023 16:19	Hal F	CPPclang++10.0.0	Error
Jan 1, 2023 16:18	Hal F	CPPclang++10.0.0	Success	6,964+0.62 RP
Jan 1, 2023 16:16	Jack Frigaard	CPPclang++10.0.0	Success	5,180
Jan 1, 2023 16:11	Hal F	CPPclang++10.0.0	Success	6,967+199.09 RP
Jan 1, 2023 16:07	Hal F	CPPclang++10.0.0	Success	8,273
Jan 1, 2023 16:06	Jack Frigaard	CPPclang++10.0.0	Success	4,924
Jan 1, 2023 16:06	Jack Frigaard	CPPclang++10.0.0	Success	4,926
Jan 1, 2023 16:06	Jack Frigaard	CPPclang++10.0.0	Success	4,934
Jan 1, 2023 16:03	Udbhav	RUSTrust-1.66.0	Success	59,537
Jan 1, 2023 16:03	Hal F	CPPclang++10.0.0	Success	10,303
Jan 1, 2023 16:01	Hal F	CPPclang++10.0.0	Error
Jan 1, 2023 15:59	Jack Frigaard	CPPclang++10.0.0	Success	5,058
Jan 1, 2023 15:56	Jack Frigaard	CPPclang++10.0.0	Success	4,948
Jan 1, 2023 15:56	Jack Frigaard	CPPclang++10.0.0	Success	5,160

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