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
Apr 14, 2024 10:32	Matt Stuchlik	CPPclang++10.0.0	Error
Apr 14, 2024 09:57	E Sequeira	CPPclang++10.0.0	Success	20,423
Apr 14, 2024 09:57	E Sequeira	CPPg++9.4.0	Success	19,368+12.18 RP
Apr 14, 2024 09:56	E Sequeira	CPPg++9.4.0	Error
Apr 14, 2024 09:55	E Sequeira	CPPg++9.4.0	Error
Apr 14, 2024 09:40	Matt Stuchlik	CPPclang++10.0.0	Success	20,263
Apr 14, 2024 09:37	Matt Stuchlik	CPPclang++10.0.0	Error
Apr 14, 2024 09:27	Matt Stuchlik	CPPclang++10.0.0	Success	19,553
Apr 14, 2024 08:58	E Sequeira	CPPg++9.4.0	Error
Apr 14, 2024 08:57	E Sequeira	RUSTrust-1.77.1	Error
Apr 14, 2024 08:55	E Sequeira	CPPg++9.4.0	Error
Apr 14, 2024 08:52	E Sequeira	RUSTrust-1.77.1	Error
Apr 14, 2024 08:45	E Sequeira	CPPg++9.4.0	Error
Apr 14, 2024 08:40	E Sequeira	CPPg++9.4.0	Error
Apr 14, 2024 08:36	E Sequeira	RUSTrust-1.77.1	Error
Apr 14, 2024 08:33	E Sequeira	RUSTrust-1.77.1	Error
Apr 14, 2024 08:27	E Sequeira	CPPg++9.4.0	Error
Apr 14, 2024 08:25	E Sequeira	CPPg++9.4.0	Error
Apr 14, 2024 08:24	E Sequeira	CPPg++9.4.0	Error
Apr 14, 2024 08:23	E Sequeira	CPPg++9.4.0	Error
Apr 14, 2024 08:20	E Sequeira	CPPg++9.4.0	Error
Apr 14, 2024 08:19	E Sequeira	CPPg++9.4.0	Error
Apr 14, 2024 08:17	E Sequeira	CPPg++9.4.0	Error
Apr 14, 2024 07:04	E Sequeira	CPPg++9.4.0	Error
Apr 13, 2024 16:46	E Sequeira	RUSTrust-1.77.1	Success	19,857
Apr 13, 2024 16:45	E Sequeira	RUSTrust-1.77.1	Error
Apr 13, 2024 16:41	E Sequeira	RUSTrust-1.77.1	Success	19,878
Apr 13, 2024 16:40	E Sequeira	RUSTrust-1.77.1	Success	19,836+1.06 RP
Apr 13, 2024 16:40	E Sequeira	RUSTrust-1.77.1	Success	19,857+2.13 RP
Apr 13, 2024 16:37	E Sequeira	RUSTrust-1.77.1	Success	19,921+317.88 RP
Apr 13, 2024 13:00	E Sequeira	CPPg++9.4.0	Success	55,352
Apr 13, 2024 12:46	E Sequeira	CPPg++9.4.0	Success	55,202
Apr 13, 2024 12:43	E Sequeira	CPPg++9.4.0	Success	55,214
Apr 13, 2024 12:10	E Sequeira	CPPg++9.4.0	Success	55,228
Apr 13, 2024 11:15	E Sequeira	CPPg++9.4.0	Success	55,293
Apr 13, 2024 11:14	E Sequeira	CPPg++9.4.0	Error
Apr 13, 2024 11:07	E Sequeira	CPPg++9.4.0	Success	55,335
Apr 13, 2024 11:07	E Sequeira	CPPg++9.4.0	Success	55,233
Apr 13, 2024 11:06	E Sequeira	CPPg++9.4.0	Success	55,275
Apr 13, 2024 11:05	E Sequeira	CPPg++9.4.0	Success	57,250
Apr 13, 2024 11:03	E Sequeira	CPPg++9.4.0	Success	63,425
Apr 13, 2024 11:03	E Sequeira	CPPg++9.4.0	Success	64,440
Apr 13, 2024 10:47	E Sequeira	CPPg++9.4.0	Success	78,377
Apr 13, 2024 10:47	E Sequeira	CPPg++9.4.0	Success	78,329
Apr 13, 2024 10:45	E Sequeira	CPPg++9.4.0	Success	78,376
Apr 13, 2024 10:43	E Sequeira	CPPg++9.4.0	Success	87,125
Apr 13, 2024 10:41	E Sequeira	CPPg++9.4.0	Success	55,551
Apr 13, 2024 10:13	E Sequeira	CPPg++9.4.0	Success	55,435
Apr 13, 2024 10:13	E Sequeira	CPPclang++10.0.0	Success	56,814
Apr 13, 2024 08:54	Matt Stuchlik	CPPclang++10.0.0	Error
Apr 13, 2024 07:07	Tom Dudzik	RUSTrust-1.77.2	Error
Apr 13, 2024 06:47	Matt Stuchlik	CPPclang++10.0.0	Error
Apr 13, 2024 06:43	Tom Dudzik	RUSTrust-1.77.2	Success	59,078
Apr 13, 2024 06:42	Tom Dudzik	RUSTrust-1.77.2	Success	66,873
Apr 13, 2024 06:42	Tom Dudzik	RUSTrust-1.77.2	Success	66,705
Apr 13, 2024 06:38	Tom Dudzik	RUSTrust-1.77.2	Success	59,069+0.13 RP
Apr 13, 2024 06:35	Tom Dudzik	RUSTrust-1.77.2	Success	59,115+0.60 RP
Apr 13, 2024 06:35	Tom Dudzik	RUSTrust-1.77.2	Success	59,348
Apr 13, 2024 06:33	Tom Dudzik	RUSTrust-1.74.1	Success	59,477
Apr 13, 2024 06:32	Tom Dudzik	RUSTrust-1.77.2	Success	59,324+0.37 RP
Apr 13, 2024 06:32	Tom Dudzik	RUSTrust-1.74.1	Success	59,455+0.75 RP
Apr 13, 2024 06:32	Matt Stuchlik	CPPclang++10.0.0	Success	15,873+29.33 RP
Apr 13, 2024 06:30	Tom Dudzik	RUSTrust-1.77.1	Success	59,723+0.09 RP
Apr 13, 2024 06:30	Tom Dudzik	RUSTrust-1.77.2	Success	97,552
Apr 13, 2024 06:29	Tom Dudzik	RUSTrust-1.77.2	Success	59,754+11.18 RP
Apr 13, 2024 06:25	Tom Dudzik	RUSTrust-1.77.2	Success	64,030+127.01 RP
Apr 13, 2024 06:24	Tom Dudzik	RUSTrust-1.77.2	Error
Apr 12, 2024 21:11	Tom Dudzik	RUSTrust-1.77.2	Error
Apr 12, 2024 21:04	Tom Dudzik	RUSTrust-1.77.2	Error
Apr 12, 2024 21:00	Tom Dudzik	RUSTrust-1.77.2	Error
Apr 12, 2024 20:45	Tom Dudzik	RUSTrust-1.77.2	Success	342,887+23.07 RP
Apr 12, 2024 12:02	Matt Stuchlik	CPPclang++10.0.0	Success	16,648+0.50 RP
Apr 12, 2024 12:02	Matt Stuchlik	CPPclang++10.0.0	Success	16,662+24.50 RP
Apr 12, 2024 12:01	Matt Stuchlik	CPPclang++10.0.0	Error
Apr 12, 2024 11:32	Matt Stuchlik	CPPclang++10.0.0	Error
Apr 12, 2024 11:31	Matt Stuchlik	CPPclang++10.0.0	Error
Apr 12, 2024 11:18	Matt Stuchlik	CPPclang++10.0.0	Error
Apr 12, 2024 08:29	tmychow	CPPg++9.4.0	Success	1,648,370+6.07 RP
Apr 12, 2024 07:01	Matt Stuchlik	CPPclang++10.0.0	Success	17,371+15.76 RP
Apr 12, 2024 06:37	Matt Stuchlik	CPPclang++10.0.0	Success	17,860+29.69 RP
Apr 12, 2024 06:34	Matt Stuchlik	CPPclang++10.0.0	Success	19,976
Apr 12, 2024 06:33	Matt Stuchlik	CPPclang++10.0.0	Error
Apr 12, 2024 06:31	Matt Stuchlik	CPPclang++10.0.0	Success	19,737
Apr 12, 2024 06:29	Matt Stuchlik	CPPclang++10.0.0	Success	19,692
Apr 12, 2024 02:11	Nguyen Thanh Vinh	CPPg++9.4.0	Success	95,436+2.12 RP
Apr 11, 2024 20:47	Drew Garcia	CPPclang++10.0.0	Error
Apr 11, 2024 09:45	Matt Stuchlik	CPPclang++10.0.0	Success	20,247
Apr 11, 2024 09:44	Matt Stuchlik	CPPclang++10.0.0	Success	20,246
Apr 11, 2024 09:40	Matt Stuchlik	CPPclang++10.0.0	Success	20,335
Apr 11, 2024 06:54	Matt Stuchlik	CPPclang++10.0.0	Error
Apr 10, 2024 22:29	Matt Stuchlik	CPPclang++10.0.0	Success	22,196
Apr 10, 2024 22:28	Matt Stuchlik	CPPclang++10.0.0	Success	22,193
Apr 10, 2024 22:16	Matt Stuchlik	CPPclang++10.0.0	Success	30,529
Apr 10, 2024 19:29	Matt Stuchlik	CPPclang++10.0.0	Success	18,864
Apr 10, 2024 19:27	Matt Stuchlik	CPPclang++10.0.0	Error
Apr 10, 2024 19:26	Matt Stuchlik	CPPclang++10.0.0	Success	18,860+0.03 RP
Apr 10, 2024 19:24	Matt Stuchlik	CPPclang++10.0.0	Success	20,170
Apr 10, 2024 19:23	Matt Stuchlik	CPPclang++10.0.0	Error
Apr 10, 2024 19:13	Matt Stuchlik	CPPclang++10.0.0	Error
Apr 10, 2024 18:47	Matt Stuchlik	CPPclang++10.0.0	Error

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