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
Mar 20, 2026 12:28	Dominique Garmier	CPPclang++18.1.3	Success	7,866
Mar 20, 2026 12:24	zielaj	CPPclang++18.1.3	Success	3,658
Mar 20, 2026 12:24	Dominique Garmier	CPPclang++18.1.3	Success	7,827+13.89 RP
Mar 20, 2026 12:21	Dominique Garmier	CPPclang++18.1.3	Success	8,420
Mar 20, 2026 12:19	Dominique Garmier	CPPclang++18.1.3	Success	18,486
Mar 20, 2026 12:17	Dominique Garmier	CPPclang++18.1.3	Success	8,060
Mar 20, 2026 12:14	Dominique Garmier	CPPclang++18.1.3	Success	8,150
Mar 20, 2026 12:07	Dominique Garmier	CPPclang++18.1.3	Success	7,913+2.71 RP
Mar 20, 2026 12:06	Dominique Garmier	CPPclang++18.1.3	Success	37,735
Mar 20, 2026 11:57	Dominique Garmier	CPPclang++18.1.3	Success	9,135
Mar 20, 2026 11:52	Dominique Garmier	CPPclang++18.1.3	Success	9,155
Mar 20, 2026 11:47	Dominique Garmier	CPPclang++18.1.3	Success	10,126
Mar 20, 2026 11:46	Dominique Garmier	CPPg++13.3.0	Success	13,373
Mar 20, 2026 04:44	zielaj	CPPclang++18.1.3	Error
Mar 20, 2026 04:42	zielaj	CPPclang++18.1.3	Error
Mar 20, 2026 04:29	zielaj	CPPclang++18.1.3	Error
Mar 20, 2026 03:12	zielaj	CPPclang++18.1.3	Success	3,475
Mar 20, 2026 03:07	zielaj	CPPclang++18.1.3	Error
Mar 20, 2026 03:05	zielaj	CPPclang++18.1.3	Error
Mar 20, 2026 03:01	zielaj	CPPclang++18.1.3	Error
Mar 20, 2026 02:58	zielaj	CPPclang++18.1.3	Error
Mar 20, 2026 02:57	Dominique Garmier	CPPg++13.3.0	Success	520,978
Mar 20, 2026 02:57	Dominique Garmier	CPPclang++18.1.3	Success	471,127
Mar 20, 2026 02:54	zielaj	CPPclang++18.1.3	Error
Mar 20, 2026 02:53	Dominique Garmier	CPPclang++18.1.3	Success	127,577
Mar 20, 2026 02:51	zielaj	CPPclang++18.1.3	Error
Mar 20, 2026 02:47	Dominique Garmier	CPPg++13.3.0	Success	11,521
Mar 20, 2026 02:46	zielaj	CPPclang++18.1.3	Error
Mar 20, 2026 02:42	zielaj	CPPclang++18.1.3	Error
Mar 20, 2026 02:37	zielaj	CPPclang++18.1.3	Error
Mar 20, 2026 02:29	zielaj	CPPclang++18.1.3	Error
Mar 20, 2026 02:11	zielaj	CPPclang++18.1.3	Success	3,450+41.41 RP
Mar 20, 2026 02:00	zielaj	CPPclang++18.1.3	Success	3,656
Mar 20, 2026 01:54	zielaj	CPPclang++18.1.3	Success	3,518
Mar 20, 2026 01:49	zielaj	CPPclang++18.1.3	Error
Mar 20, 2026 01:31	zielaj	CPPclang++18.1.3	Error
Mar 20, 2026 01:30	zielaj	CPPclang++18.1.3	Error
Mar 20, 2026 01:29	zielaj	CPPclang++18.1.3	Error
Mar 20, 2026 01:28	zielaj	CPPclang++18.1.3	Error
Mar 20, 2026 00:59	zielaj	CPPclang++18.1.3	Error
Mar 20, 2026 00:57	zielaj	CPPclang++18.1.3	Error
Mar 20, 2026 00:52	zielaj	CPPclang++18.1.3	Error
Mar 20, 2026 00:50	zielaj	CPPclang++18.1.3	Error
Mar 20, 2026 00:46	zielaj	CPPclang++18.1.3	Error
Mar 20, 2026 00:44	zielaj	CPPclang++18.1.3	Error
Mar 20, 2026 00:40	olliecrow	RUSTrust-1.94.0	Error
Mar 20, 2026 00:36	olliecrow	RUSTrust-1.94.0	Success	5,884
Mar 20, 2026 00:36	olliecrow	RUSTrust-1.94.0	Success	5,802
Mar 20, 2026 00:35	olliecrow	RUSTrust-1.94.0	Success	5,803
Mar 20, 2026 00:33	olliecrow	RUSTrust-1.94.0	Success	6,022
Mar 20, 2026 00:29	olliecrow	RUSTrust-1.91.0	Success	5,923
Mar 20, 2026 00:29	olliecrow	RUSTrust-1.88.0	Success	5,801
Mar 20, 2026 00:27	olliecrow	RUSTrust-1.92.0	Success	5,814
Mar 20, 2026 00:27	olliecrow	RUSTrust-1.93.0	Success	5,837
Mar 20, 2026 00:27	olliecrow	RUSTrust-1.85.0	Success	5,955
Mar 20, 2026 00:27	olliecrow	RUSTrust-1.90.0	Success	6,019
Mar 20, 2026 00:21	olliecrow	RUSTrust-1.94.0	Success	5,830
Mar 20, 2026 00:16	olliecrow	RUSTrust-1.94.0	Error
Mar 20, 2026 00:16	olliecrow	RUSTrust-1.94.0	Success	5,863
Mar 20, 2026 00:16	olliecrow	RUSTrust-1.94.0	Error
Mar 20, 2026 00:14	zielaj	CPPclang++18.1.3	Error
Mar 20, 2026 00:14	olliecrow	RUSTrust-1.94.0	Success	8,138
Mar 20, 2026 00:14	olliecrow	RUSTrust-1.94.0	Success	5,796
Mar 20, 2026 00:11	olliecrow	RUSTrust-1.94.0	Success	5,782
Mar 20, 2026 00:11	olliecrow	RUSTrust-1.94.0	Error
Mar 20, 2026 00:11	olliecrow	RUSTrust-1.94.0	Success	5,821
Mar 20, 2026 00:11	olliecrow	RUSTrust-1.94.0	Success	5,827
Mar 20, 2026 00:10	olliecrow	RUSTrust-1.94.0	Success	5,891
Mar 20, 2026 00:10	zielaj	CPPclang++18.1.3	Error
Mar 20, 2026 00:08	olliecrow	RUSTrust-1.94.0	Success	5,783
Mar 20, 2026 00:08	olliecrow	RUSTrust-1.94.0	Success	5,822
Mar 20, 2026 00:08	olliecrow	RUSTrust-1.94.0	Success	5,797
Mar 20, 2026 00:07	zielaj	CPPclang++18.1.3	Error
Mar 20, 2026 00:05	olliecrow	RUSTrust-1.94.0	Success	5,859
Mar 20, 2026 00:05	olliecrow	RUSTrust-1.94.0	Success	5,827
Mar 20, 2026 00:03	olliecrow	RUSTrust-1.94.0	Success	5,814
Mar 20, 2026 00:03	olliecrow	RUSTrust-1.94.0	Success	5,840
Mar 20, 2026 00:03	zielaj	CPPclang++18.1.3	Error
Mar 20, 2026 00:02	olliecrow	RUSTrust-1.94.0	Success	5,840
Mar 20, 2026 00:02	olliecrow	RUSTrust-1.94.0	Success	6,128
Mar 20, 2026 00:00	olliecrow	RUSTrust-1.94.0	Success	5,836
Mar 19, 2026 23:56	olliecrow	RUSTrust-1.94.0	Success	5,902
Mar 19, 2026 23:56	olliecrow	RUSTrust-1.94.0	Success	5,883
Mar 19, 2026 23:56	olliecrow	RUSTrust-1.94.0	Success	5,881
Mar 19, 2026 23:54	olliecrow	RUSTrust-1.94.0	Success	5,938
Mar 19, 2026 23:54	olliecrow	RUSTrust-1.94.0	Success	5,880
Mar 19, 2026 23:51	olliecrow	RUSTrust-1.94.0	Error
Mar 19, 2026 23:51	olliecrow	RUSTrust-1.94.0	Success	6,004
Mar 19, 2026 23:51	olliecrow	RUSTrust-1.94.0	Success	5,951
Mar 19, 2026 23:48	olliecrow	RUSTrust-1.94.0	Success	5,905
Mar 19, 2026 23:48	olliecrow	RUSTrust-1.94.0	Success	6,019
Mar 19, 2026 23:48	olliecrow	RUSTrust-1.94.0	Success	6,337
Mar 19, 2026 23:47	zielaj	CPPclang++18.1.3	Error
Mar 19, 2026 23:44	olliecrow	RUSTrust-1.94.0	Success	6,169
Mar 19, 2026 23:41	olliecrow	RUSTrust-1.94.0	Success	5,911
Mar 19, 2026 23:41	olliecrow	RUSTrust-1.94.0	Success	6,038
Mar 19, 2026 23:39	olliecrow	RUSTrust-1.94.0	Success	5,880
Mar 19, 2026 23:39	olliecrow	RUSTrust-1.94.0	Success	5,874
Mar 19, 2026 23:37	olliecrow	RUSTrust-1.94.0	Success	5,920
Mar 19, 2026 23:37	zielaj	CPPclang++18.1.3	Error

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