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
May 9, 2026 14:42	wn	CPPg++13.3.0	Success	3,517
May 9, 2026 14:39	wn	CPPg++13.3.0	Success	3,384+3.50 RP
May 9, 2026 14:36	wn	CPPg++13.3.0	Success	3,418
May 9, 2026 14:35	wn	CPPg++13.3.0	Success	3,391
May 9, 2026 14:34	wn	CPPg++13.3.0	Success	3,407
May 9, 2026 14:32	wn	CPPg++13.3.0	Error
May 9, 2026 14:29	wn	CPPg++13.3.0	Success	3,417
May 9, 2026 14:24	wn	CPPg++13.3.0	Success	3,413
May 9, 2026 14:23	wn	CPPg++13.3.0	Success	3,407
May 9, 2026 14:22	wn	CPPclang++18.1.3	Error
May 9, 2026 14:15	wn	CPPg++13.3.0	Success	3,529
May 9, 2026 14:13	wn	CPPg++13.3.0	Success	3,406
May 9, 2026 14:12	wn	CPPg++13.3.0	Success	3,541
May 9, 2026 14:08	wn	CPPg++13.3.0	Success	3,514
May 9, 2026 14:06	wn	CPPg++13.3.0	Success	3,523
May 9, 2026 14:03	wn	CPPg++13.3.0	Success	3,539
May 9, 2026 14:01	wn	CPPg++13.3.0	Success	3,563
May 9, 2026 13:39	wn	CPPg++13.3.0	Success	3,484
May 9, 2026 13:37	wn	CPPg++13.3.0	Success	3,629
May 9, 2026 13:34	wn	CPPg++13.3.0	Success	3,393
May 9, 2026 13:16	wn	CPPg++14.2.0	Success	3,572
May 9, 2026 13:15	wn	CPPg++14.2.0	Error
May 9, 2026 13:14	wn	CPPg++14.2.0	Success	3,411
May 9, 2026 13:12	wn	CPPclang++20.1.2	Success	4,066
May 9, 2026 13:10	wn	CPPclang++20.1.2	Error
May 9, 2026 13:09	wn	CPPg++13.3.0	Success	3,553
May 9, 2026 13:05	wn	CPPg++13.3.0	Success	3,571
May 9, 2026 12:54	wn	CPPg++13.3.0	Success	3,554
May 9, 2026 12:53	wn	CPPg++13.3.0	Success	3,560
May 9, 2026 12:52	wn	CPPg++13.3.0	Success	3,405
May 9, 2026 12:50	E Sequeira	CPPg++14.2.0	Error
May 9, 2026 12:50	wn	CPPg++13.3.0	Success	3,572
May 9, 2026 12:50	E Sequeira	CPPg++10.5.0	Error
May 9, 2026 12:42	E Sequeira	CPPg++10.5.0	Error
May 9, 2026 12:41	E Sequeira	CPPg++10.5.0	Error
May 9, 2026 12:37	wn	CPPg++13.3.0	Success	3,419
May 9, 2026 12:36	wn	CPPg++13.3.0	Success	3,551
May 9, 2026 12:36	E Sequeira	CPPclang++18.1.3	Error
May 9, 2026 12:36	wn	CPPg++13.3.0	Success	3,537
May 9, 2026 12:35	wn	CPPg++13.3.0	Success	3,563
May 9, 2026 12:25	wn	CPPg++13.3.0	Success	3,512
May 9, 2026 12:25	wn	CPPg++13.3.0	Success	3,430
May 9, 2026 12:24	wn	CPPg++13.3.0	Success	3,431
May 9, 2026 12:23	wn	CPPg++13.3.0	Success	3,546
May 9, 2026 12:22	wn	CPPg++13.3.0	Success	3,534
May 9, 2026 12:21	wn	CPPg++13.3.0	Success	3,424
May 9, 2026 12:20	wn	CPPg++13.3.0	Success	3,386
May 9, 2026 12:19	wn	CPPg++13.3.0	Success	3,537
May 9, 2026 12:18	wn	CPPg++13.3.0	Success	3,521
May 9, 2026 12:17	wn	CPPg++13.3.0	Success	3,562
May 9, 2026 12:16	wn	CPPg++13.3.0	Success	3,529
May 9, 2026 08:33	flavio87	CPPg++14.2.0	Success	8,464+95.34 RP
May 9, 2026 06:21	Milo Presedo	CPPg++10.5.0	Success	24,858
May 9, 2026 04:25	Milo Presedo	CPPg++10.5.0	Success	8,238+6.59 RP
May 8, 2026 22:35	zielaj	CPPclang++18.1.3	Error
May 8, 2026 22:34	zielaj	CPPclang++20.1.2	Success	3,600
May 8, 2026 22:32	zielaj	CPPclang++18.1.3	Error
May 8, 2026 22:31	zielaj	CPPclang++18.1.3	Success	3,641
May 8, 2026 19:09	Milo Presedo	CPPg++10.5.0	Success	8,283+1'207.29 RP
May 8, 2026 18:09	Hung T.Nguyen	CPPg++10.5.0	Success	50,126
May 8, 2026 17:55	Hung T.Nguyen	CPPg++10.5.0	Success	61,189
May 8, 2026 08:53	flavio87	CPPg++14.2.0	Success	9,207+37.03 RP
May 8, 2026 07:14	flavio87	CPPg++14.2.0	Success	9,532+77.56 RP
May 8, 2026 07:11	flavio87	CPPg++10.5.0	Success	10,293+97.33 RP
May 8, 2026 00:30	flavio87	CPPg++14.2.0	Success	11,439+136.14 RP
May 7, 2026 23:35	Arseni Kanapelka	CPPg++10.5.0	Success	95,192+5.98 RP
May 7, 2026 23:33	Arseni Kanapelka	CPPg++10.5.0	Success	100,940+99.07 RP
May 7, 2026 20:09	Sanketh B K	CPPg++10.5.0	Success	89,139
May 7, 2026 16:15	flavio87	CPPg++14.2.0	Success	13,549+96.50 RP
May 7, 2026 11:07	wn	CPPg++13.3.0	Success	3,409
May 7, 2026 11:01	wn	CPPg++13.3.0	Success	3,386
May 7, 2026 11:00	wn	CPPg++13.3.0	Success	3,396
May 7, 2026 10:57	wn	CPPg++13.3.0	Success	3,421
May 7, 2026 10:55	wn	CPPg++13.3.0	Success	3,519
May 7, 2026 10:53	wn	CPPg++13.3.0	Success	3,392
May 7, 2026 10:51	wn	CPPg++13.3.0	Success	3,421
May 7, 2026 10:47	wn	CPPg++13.3.0	Success	3,527
May 7, 2026 10:46	wn	CPPg++13.3.0	Success	3,452
May 7, 2026 10:44	wn	CPPg++13.3.0	Success	3,404
May 7, 2026 10:43	wn	CPPg++13.3.0	Success	3,392
May 7, 2026 10:41	wn	CPPg++13.3.0	Success	3,444
May 7, 2026 10:39	wn	CPPg++13.3.0	Success	3,474
May 7, 2026 10:37	wn	CPPg++13.3.0	Success	3,386+8.70 RP
May 7, 2026 10:35	wn	CPPg++13.3.0	Success	3,489
May 7, 2026 10:33	wn	CPPg++13.3.0	Success	3,520
May 7, 2026 10:33	wn	CPPg++13.3.0	Success	3,640
May 7, 2026 10:31	wn	CPPg++13.3.0	Success	3,510
May 7, 2026 10:28	wn	CPPg++13.3.0	Success	3,428
May 7, 2026 10:28	wn	CPPg++13.3.0	Success	3,466
May 7, 2026 10:26	wn	CPPg++13.3.0	Success	3,438
May 7, 2026 10:26	wn	CPPg++13.3.0	Success	3,410
May 7, 2026 10:25	wn	CPPg++13.3.0	Success	3,392
May 7, 2026 10:23	wn	CPPg++13.3.0	Success	3,403
May 7, 2026 10:22	wn	CPPg++13.3.0	Success	3,391+8.68 RP
May 7, 2026 10:20	wn	CPPg++13.3.0	Success	3,407
May 7, 2026 10:18	wn	CPPg++13.3.0	Success	3,419
May 7, 2026 10:17	wn	CPPg++13.3.0	Success	3,396+8.66 RP
May 7, 2026 10:16	wn	CPPg++13.3.0	Success	3,401
May 7, 2026 10:14	wn	CPPg++13.3.0	Success	3,501
May 7, 2026 10:11	wn	CPPg++13.3.0	Success	3,514

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