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
Dec 28, 2025 02:37	Josu San Martin	RUSTrust-1.92.0	Success	37,897
Dec 28, 2025 02:35	Josu San Martin	ZIG0.14.0	Success	94,420
Dec 28, 2025 02:11	zypeh	GOgo1.25.5	Success	47,569+43.37 RP
Dec 28, 2025 01:46	Josu San Martin	RUSTrust-1.92.0	Error
Dec 27, 2025 22:37	Josu San Martin	RUSTrust-1.92.0	Error
Dec 27, 2025 22:17	Josu San Martin	RUSTrust-1.92.0	Success	57,143
Dec 27, 2025 22:16	Josu San Martin	RUSTrust-1.92.0	Success	31,945+0.39 RP
Dec 27, 2025 22:16	Josu San Martin	RUSTrust-1.92.0	Success	38,995
Dec 27, 2025 22:14	Josu San Martin	RUSTrust-1.92.0	Error
Dec 27, 2025 22:05	Josu San Martin	RUSTrust-1.92.0	Error
Dec 27, 2025 22:00	Josu San Martin	RUSTrust-1.92.0	Success	31,985+2.60 RP
Dec 27, 2025 21:45	Josu San Martin	RUSTrust-1.92.0	Success	34,722
Dec 27, 2025 21:40	Josu San Martin	RUSTrust-1.92.0	Error
Dec 27, 2025 21:34	Josu San Martin	RUSTrust-1.92.0	Error
Dec 27, 2025 21:05	Josu San Martin	RUSTrust-1.92.0	Error
Dec 27, 2025 21:05	Josu San Martin	RUSTrust-1.92.0	Error
Dec 27, 2025 21:04	Josu San Martin	RUSTrust-1.92.0	Success	34,320
Dec 27, 2025 21:02	Josu San Martin	CPPclang++18.1.3	Success	34,779
Dec 27, 2025 20:44	Josu San Martin	CPPclang++18.1.3	Error
Dec 27, 2025 20:40	Josu San Martin	CPPclang++18.1.3	Success	33,379
Dec 27, 2025 20:03	Sting	CPPg++13.3.0	Success	516,935+19.34 RP
Dec 27, 2025 19:12	Josu San Martin	RUSTrust-1.92.0	Success	38,175
Dec 27, 2025 19:12	Josu San Martin	RUSTrust-1.92.0	Success	33,888
Dec 27, 2025 19:11	Josu San Martin	RUSTrust-1.92.0	Error
Dec 27, 2025 19:11	Josu San Martin	RUSTrust-1.92.0	Success	59,280
Dec 27, 2025 19:10	Josu San Martin	RUSTrust-1.92.0	Error
Dec 27, 2025 19:07	Josu San Martin	GOgo1.25.5	Success	47,302
Dec 27, 2025 19:01	Josu San Martin	GOgo1.25.5	Success	47,471
Dec 27, 2025 18:55	Josu San Martin	RUSTrust-1.92.0	Success	46,372
Dec 27, 2025 18:36	Josu San Martin	RUSTrust-1.92.0	Success	32,588
Dec 27, 2025 18:36	Josu San Martin	RUSTrust-1.92.0	Success	32,255
Dec 27, 2025 18:35	Josu San Martin	RUSTrust-1.92.0	Success	32,269
Dec 27, 2025 18:35	Josu San Martin	RUSTrust-1.92.0	Success	32,256
Dec 27, 2025 18:33	Josu San Martin	GOgo1.25.5	Success	69,035
Dec 27, 2025 18:33	Josu San Martin	GOgo1.25.5	Success	68,918
Dec 27, 2025 18:33	Josu San Martin	GOgo1.25.5	Success	69,341
Dec 27, 2025 18:30	Josu San Martin	RUSTrust-1.92.0	Success	33,278
Dec 27, 2025 18:29	Josu San Martin	RUSTrust-1.92.0	Success	32,643
Dec 27, 2025 18:29	Josu San Martin	RUSTrust-1.92.0	Success	32,253+0.11 RP
Dec 27, 2025 18:29	Josu San Martin	RUSTrust-1.92.0	Success	32,289
Dec 27, 2025 18:20	Josu San Martin	RUSTrust-1.92.0	Success	32,617
Dec 27, 2025 18:20	Josu San Martin	RUSTrust-1.92.0	Success	32,264+0.69 RP
Dec 27, 2025 18:20	Josu San Martin	RUSTrust-1.92.0	Success	32,336+0.08 RP
Dec 27, 2025 18:20	Josu San Martin	RUSTrust-1.92.0	Success	32,711
Dec 27, 2025 18:16	Josu San Martin	RUSTrust-1.92.0	Success	39,287
Dec 27, 2025 18:16	Josu San Martin	RUSTrust-1.92.0	Success	32,344+2.56 RP
Dec 27, 2025 18:16	Josu San Martin	RUSTrust-1.92.0	Success	37,519
Dec 27, 2025 18:15	Josu San Martin	RUSTrust-1.92.0	Success	32,614+0.53 RP
Dec 27, 2025 16:18	Josu San Martin	RUSTrust-1.92.0	Success	32,706
Dec 27, 2025 16:18	Josu San Martin	RUSTrust-1.92.0	Success	34,859
Dec 27, 2025 16:17	Josu San Martin	RUSTrust-1.92.0	Success	34,455
Dec 27, 2025 16:17	Josu San Martin	RUSTrust-1.92.0	Success	33,193
Dec 27, 2025 16:17	Josu San Martin	RUSTrust-1.92.0	Success	33,490
Dec 27, 2025 16:14	Josu San Martin	RUSTrust-1.92.0	Success	59,224
Dec 27, 2025 16:13	Josu San Martin	RUSTrust-1.92.0	Success	32,671+14.55 RP
Dec 27, 2025 16:13	Josu San Martin	RUSTrust-1.92.0	Success	57,918
Dec 27, 2025 16:12	Josu San Martin	RUSTrust-1.92.0	Success	35,071
Dec 27, 2025 16:06	Josu San Martin	RUSTrust-1.92.0	Error
Dec 27, 2025 16:05	Josu San Martin	RUSTrust-1.92.0	Success	72,394
Dec 27, 2025 16:05	Josu San Martin	RUSTrust-1.92.0	Success	39,395
Dec 27, 2025 15:59	Josu San Martin	GOgo1.25.5	Success	49,456
Dec 27, 2025 15:42	Josu San Martin	GOgo1.25.5	Error
Dec 27, 2025 14:52	tonysui88	CPPg++13.3.0	Success	2,066,500+4.84 RP
Dec 27, 2025 14:01	Akash	CPPg++13.3.0	Success	265,136+32.88 RP
Dec 27, 2025 13:59	Akash	CPPg++13.3.0	Success	2,066,753+4.84 RP
Dec 27, 2025 11:34	Sina	CPPg++13.3.0	Success	110,372+1.17 RP
Dec 27, 2025 03:07	zypeh	GOgo1.25.5	Success	59,932+14.77 RP
Dec 27, 2025 03:01	zypeh	GOgo1.25.5	Success	65,753+14.89 RP
Dec 27, 2025 02:51	zypeh	GOgo1.25.5	Success	79,425
Dec 27, 2025 02:48	zypeh	GOgo1.25.5	Success	72,891+2.66 RP
Dec 27, 2025 02:34	zypeh	GOgo1.25.5	Success	96,737
Dec 26, 2025 23:32	Josu San Martin	CPPg++13.3.0	Success	37,731
Dec 26, 2025 23:30	Josu San Martin	RUSTrust-1.92.0	Error
Dec 26, 2025 23:25	Josu San Martin	RUSTrust-1.92.0	Error
Dec 26, 2025 23:01	Josu San Martin	RUSTrust-1.92.0	Error
Dec 26, 2025 22:14	Josu San Martin	RUSTrust-1.92.0	Error
Dec 26, 2025 21:23	hunaphu	CPPg++13.3.0	Success	40,937
Dec 26, 2025 21:21	hunaphu	CPPg++13.3.0	Success	54,650
Dec 26, 2025 21:20	hunaphu	CPPg++13.3.0	Error
Dec 26, 2025 20:56	hunaphu	CPPg++13.3.0	Error
Dec 26, 2025 20:56	hunaphu	CPPg++13.3.0	Error
Dec 26, 2025 20:47	hunaphu	CPPg++13.3.0	Error
Dec 26, 2025 20:47	hunaphu	RUSTrust-1.92.0	Error
Dec 26, 2025 20:44	hunaphu	CPPg++13.3.0	Error
Dec 26, 2025 20:41	hunaphu	RUSTrust-1.92.0	Success	373,190
Dec 26, 2025 20:33	hunaphu	CPPg++13.3.0	Error
Dec 26, 2025 20:32	hunaphu	CPPg++13.3.0	Error
Dec 26, 2025 20:28	hunaphu	CPPg++13.3.0	Error
Dec 26, 2025 20:28	hunaphu	CPPg++13.3.0	Success	54,944
Dec 26, 2025 20:27	hunaphu	CPPg++13.3.0	Error
Dec 26, 2025 20:22	hunaphu	CPPg++13.3.0	Success	39,253+49.15 RP
Dec 26, 2025 20:21	hunaphu	CPPg++13.3.0	Error
Dec 26, 2025 20:21	hunaphu	CPPg++13.3.0	Error
Dec 26, 2025 20:18	hunaphu	CPPg++13.3.0	Error
Dec 26, 2025 20:18	hunaphu	CPPg++13.3.0	Error
Dec 26, 2025 20:05	hunaphu	CPPg++13.3.0	Success	70,361
Dec 26, 2025 20:04	hunaphu	CPPg++13.3.0	Error
Dec 26, 2025 20:02	hunaphu	CPPg++13.3.0	Error
Dec 26, 2025 19:53	hunaphu	CPPg++13.3.0	Error
Dec 26, 2025 19:52	hunaphu	CPPg++13.3.0	Success	67,958

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