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
Jul 14, 2026 00:05	boop34	CPPg++14.2.0	Error
Jul 13, 2026 23:32	boop34	CPPg++14.2.0	Success	56,463
Jul 13, 2026 23:29	boop34	CPPg++14.2.0	Error
Jul 13, 2026 22:56	Jarry Xiao	RUSTrust-1.95.0	Success	11,971+245.76 RP
Jul 13, 2026 19:07	boop34	CPPg++14.2.0	Success	20,587
Jul 13, 2026 18:55	boop34	CPPg++14.2.0	Success	20,671
Jul 13, 2026 18:49	boop34	CPPg++14.2.0	Success	20,761
Jul 13, 2026 18:48	boop34	CPPg++14.2.0	Success	20,955
Jul 13, 2026 18:32	boop34	CPPg++14.2.0	Error
Jul 13, 2026 18:32	boop34	CPPg++14.2.0	Error
Jul 13, 2026 18:31	boop34	CPPg++14.2.0	Error
Jul 13, 2026 18:30	boop34	CPPg++14.2.0	Error
Jul 13, 2026 18:23	boop34	CPPg++14.2.0	Success	22,020
Jul 13, 2026 18:07	boop34	CPPg++14.2.0	Error
Jul 13, 2026 17:14	boop34	CPPg++14.2.0	Success	27,107
Jul 13, 2026 08:36	limanjun99	CPPg++14.2.0	Success	4,320+609.20 RP
Jul 13, 2026 02:53	Kevin Heavey	RUSTrust-1.95.0	Success	3,863
Jul 12, 2026 23:59	Jarry Xiao	RUSTrust-1.95.0	Success	16,961+77.37 RP
Jul 12, 2026 23:53	Jarry Xiao	RUSTrust-1.95.0	Success	19,523+237.97 RP
Jul 12, 2026 23:44	Jarry Xiao	RUSTrust-1.95.0	Success	36,471
Jul 12, 2026 23:41	Jarry Xiao	RUSTrust-1.95.0	Success	36,463+0.26 RP
Jul 12, 2026 18:23	Kevin Heavey	RUSTrust-1.95.0	Success	3,770+151.72 RP
Jul 12, 2026 17:27	Kevin Heavey	RUSTrust-1.95.0	Success	5,961
Jul 12, 2026 17:08	Kevin Heavey	RUSTrust-1.95.0	Success	4,083
Jul 12, 2026 16:54	Kevin Heavey	RUSTrust-1.95.0	Success	3,944
Jul 12, 2026 16:07	Kevin Heavey	RUSTrust-1.95.0	Success	3,887
Jul 12, 2026 16:07	Kevin Heavey	RUSTrust-1.95.0	Success	3,898
Jul 12, 2026 16:06	Kevin Heavey	RUSTrust-1.95.0	Success	3,881+6.64 RP
Jul 12, 2026 15:33	Kevin Heavey	RUSTrust-1.95.0	Success	3,917
Jul 12, 2026 15:31	Kevin Heavey	RUSTrust-1.95.0	Success	3,914
Jul 12, 2026 15:31	Kevin Heavey	RUSTrust-1.95.0	Success	3,913
Jul 12, 2026 15:31	Kevin Heavey	RUSTrust-1.95.0	Success	3,909
Jul 12, 2026 15:30	Kevin Heavey	RUSTrust-1.95.0	Success	3,978
Jul 12, 2026 15:30	Kevin Heavey	RUSTrust-1.95.0	Success	3,959
Jul 12, 2026 15:19	Kevin Heavey	RUSTrust-1.95.0	Success	3,886+17.16 RP
Jul 12, 2026 15:16	Kevin Heavey	RUSTrust-1.95.0	Success	4,061
Jul 12, 2026 15:15	Kevin Heavey	RUSTrust-1.95.0	Success	5,423
Jul 12, 2026 15:02	Kevin Heavey	RUSTrust-1.95.0	Success	5,765
Jul 12, 2026 14:47	Kevin Heavey	RUSTrust-1.95.0	Success	4,824
Jul 12, 2026 14:47	boop34	CPPg++14.2.0	Success	23,670
Jul 12, 2026 14:43	boop34	CPPg++14.2.0	Success	23,840
Jul 12, 2026 14:32	Kevin Heavey	RUSTrust-1.95.0	Success	4,897
Jul 12, 2026 14:18	boop34	CPPg++14.2.0	Success	23,843
Jul 12, 2026 14:13	Kevin Heavey	RUSTrust-1.95.0	Success	3,899+89.20 RP
Jul 12, 2026 14:07	Kevin Heavey	RUSTrust-1.95.0	Success	4,073
Jul 12, 2026 14:00	Kevin Heavey	RUSTrust-1.95.0	Success	3,970
Jul 12, 2026 13:35	Kevin Heavey	RUSTrust-1.95.0	Success	4,422
Jul 12, 2026 13:19	Kevin Heavey	RUSTrust-1.95.0	Success	3,968+1.26 RP
Jul 12, 2026 13:08	Kevin Heavey	RUSTrust-1.95.0	Success	4,054
Jul 12, 2026 13:03	Kevin Heavey	RUSTrust-1.95.0	Success	4,472
Jul 12, 2026 12:47	Kevin Heavey	RUSTrust-1.95.0	Success	5,041
Jul 12, 2026 12:46	boop34	CPPg++14.2.0	Success	21,959
Jul 12, 2026 12:39	boop34	CPPg++14.2.0	Success	21,757
Jul 12, 2026 12:31	boop34	CPPg++14.2.0	Error
Jul 12, 2026 12:28	Kevin Heavey	RUSTrust-1.95.0	Success	5,691
Jul 12, 2026 12:16	Kevin Heavey	RUSTrust-1.95.0	Success	9,899
Jul 12, 2026 02:40	Kevin Heavey	RUSTrust-1.95.0	Success	8,921
Jul 12, 2026 02:01	Kevin Heavey	RUSTrust-1.95.0	Success	20,257
Jul 12, 2026 01:40	Kevin Heavey	RUSTrust-1.95.0	Success	3,969+112.94 RP
Jul 12, 2026 01:36	Kevin Heavey	RUSTrust-1.95.0	Error
Jul 12, 2026 01:36	Kevin Heavey	RUSTrust-1.95.0	Error
Jul 12, 2026 01:20	Kevin Heavey	RUSTrust-1.95.0	Success	48,291
Jul 12, 2026 00:19	boop34	CPPg++14.2.0	Error
Jul 12, 2026 00:18	boop34	CPPg++14.2.0	Error
Jul 12, 2026 00:17	boop34	CPPg++14.2.0	Error
Jul 12, 2026 00:16	boop34	CPPg++14.2.0	Error
Jul 12, 2026 00:16	boop34	CPPg++14.2.0	Error
Jul 12, 2026 00:15	boop34	CPPg++14.2.0	Error
Jul 11, 2026 20:51	boop34	CPPg++14.2.0	Error
Jul 11, 2026 20:49	boop34	CPPg++14.2.0	Error
Jul 11, 2026 20:40	boop34	CPPg++14.2.0	Error
Jul 11, 2026 20:02	gg	CPPg++10.5.0	Success	91,648
Jul 10, 2026 14:38	boop34	RUSTrust-1.97.0	Success	19,459+342.32 RP
Jul 10, 2026 12:34	boop34	CPPg++14.2.0	Success	65,178
Jul 10, 2026 12:33	boop34	CPPg++10.5.0	Success	67,327
Jul 10, 2026 12:26	boop34	CPPg++10.5.0	Success	69,192
Jul 10, 2026 12:12	Sherman	CPPg++10.5.0	Success	89,164+112.15 RP
Jul 10, 2026 11:24	boop34	CPPg++10.5.0	Success	69,168
Jul 10, 2026 09:41	wn	CPPg++14.2.0	Success	3,332
Jul 10, 2026 09:40	wn	CPPg++14.2.0	Success	3,334
Jul 10, 2026 09:40	wn	CPPg++14.2.0	Success	3,325
Jul 10, 2026 09:09	wn	CPPg++13.3.0	Success	3,394
Jul 10, 2026 09:08	wn	CPPg++13.3.0	Success	3,406
Jul 10, 2026 09:07	wn	CPPg++13.3.0	Success	3,499
Jul 10, 2026 09:05	wn	CPPg++13.3.0	Success	3,477
Jul 10, 2026 09:04	wn	CPPg++13.3.0	Success	3,415
Jul 10, 2026 09:03	wn	CPPg++13.3.0	Success	3,354
Jul 10, 2026 09:01	wn	CPPg++13.3.0	Success	3,360
Jul 10, 2026 09:00	wn	CPPg++13.3.0	Success	3,466
Jul 10, 2026 08:59	wn	CPPg++13.3.0	Success	3,351
Jul 10, 2026 08:56	wn	CPPg++13.3.0	Success	3,322
Jul 10, 2026 08:55	wn	CPPg++13.3.0	Success	3,330
Jul 10, 2026 08:54	wn	CPPg++13.3.0	Success	3,371
Jul 10, 2026 08:54	wn	CPPclang++18.1.3	Error
Jul 9, 2026 23:43	Elnur Rakhmatullin	CPPg++14.2.0	Success	13,045+34.08 RP
Jul 9, 2026 23:42	Elnur Rakhmatullin	CPPclang++18.1.3	Success	13,652+9.79 RP
Jul 9, 2026 23:11	Elnur Rakhmatullin	CPPclang++18.1.3	Success	13,837+82.17 RP
Jul 9, 2026 23:09	Elnur Rakhmatullin	CPPg++14.2.0	Success	15,612+0.04 RP
Jul 9, 2026 23:08	Elnur Rakhmatullin	CPPg++14.2.0	Success	15,613+362.41 RP
Jul 9, 2026 22:00	Victor Mercklé	CSHARP10.0.7	Error

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