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
Aug 21, 2025 20:13	Adam Folwarczny	CPPg++13.3.0	Success	19,267+18.35 RP
Aug 21, 2025 19:56	Adam Folwarczny	CPPg++13.3.0	Success	48,753
Aug 21, 2025 19:43	Adam Folwarczny	CPPg++13.3.0	Success	59,742
Aug 21, 2025 19:35	Adam Folwarczny	CPPg++13.3.0	Success	61,950
Aug 21, 2025 19:35	Adam Folwarczny	CPPg++13.3.0	Error
Aug 21, 2025 18:23	Ruoyu Qiu	CPPg++13.3.0	Success	61,636+29.95 RP
Aug 21, 2025 18:20	Ruoyu Qiu	CPPg++13.3.0	Success	618,933
Aug 21, 2025 14:35	Adam Folwarczny	CPPg++13.3.0	Success	19,973+6.16 RP
Aug 21, 2025 14:35	Adam Folwarczny	CPPg++13.3.0	Error
Aug 21, 2025 10:27	Asset Malik	RUSTrust-1.89.0	Success	171,494
Aug 21, 2025 10:21	Asset Malik	RUSTrust-1.89.0	Success	63,888+45.24 RP
Aug 21, 2025 09:44	Asset Malik	RUSTrust-1.89.0	Success	89,858+82.65 RP
Aug 21, 2025 09:41	Asset Malik	RUSTrust-1.89.0	Success	397,319
Aug 21, 2025 06:34	zypeh	GOgo1.25.0	Success	193,322
Aug 21, 2025 06:21	zypeh	GOgo1.25.0	Success	149,780
Aug 21, 2025 06:09	zypeh	GOgo1.25.0	Error
Aug 21, 2025 05:04	t19783199	CPPg++13.3.0	Success	1,877,918
Aug 21, 2025 05:03	t19783199	CPPg++13.3.0	Success	334,919
Aug 20, 2025 20:59	Adam Folwarczny	CPPg++13.3.0	Success	20,330
Aug 20, 2025 20:55	Adam Folwarczny	CPPg++13.3.0	Error
Aug 20, 2025 20:20	Adam Folwarczny	CPPg++13.3.0	Success	20,222+17.91 RP
Aug 20, 2025 20:14	Adam Folwarczny	CPPg++13.3.0	Error
Aug 20, 2025 20:09	Adam Folwarczny	CPPg++13.3.0	Error
Aug 20, 2025 19:58	Adam Folwarczny	CPPg++13.3.0	Success	21,338
Aug 20, 2025 19:31	Adam Folwarczny	CPPg++13.3.0	Success	20,982+158.09 RP
Aug 20, 2025 19:27	Adam Folwarczny	CPPg++13.3.0	Success	32,447
Aug 20, 2025 18:57	Adam Folwarczny	CPPg++13.3.0	Error
Aug 20, 2025 18:56	Adam Folwarczny	CPPg++13.3.0	Error
Aug 20, 2025 18:54	Adam Folwarczny	CPPg++13.3.0	Error
Aug 20, 2025 18:53	Adam Folwarczny	CPPg++13.3.0	Error
Aug 20, 2025 18:34	Adam Folwarczny	CPPg++13.3.0	Error
Aug 20, 2025 18:08	Adam Folwarczny	CPPg++13.3.0	Success	32,429
Aug 20, 2025 18:00	Adam Folwarczny	CPPg++13.3.0	Success	31,402
Aug 20, 2025 18:00	Adam Folwarczny	CPPg++13.3.0	Success	31,774
Aug 20, 2025 17:59	Adam Folwarczny	CPPg++13.3.0	Success	33,056
Aug 20, 2025 17:58	Adam Folwarczny	CPPg++13.3.0	Success	31,411
Aug 20, 2025 17:57	Adam Folwarczny	CPPg++13.3.0	Success	31,396+3.88 RP
Aug 20, 2025 17:55	Adam Folwarczny	CPPg++13.3.0	Success	31,783+12.03 RP
Aug 20, 2025 17:45	Adam Folwarczny	CPPg++13.3.0	Success	33,047+6.44 RP
Aug 20, 2025 09:41	t19783199	CPPg++13.3.0	Error
Aug 20, 2025 08:53	t19783199	CPPg++13.3.0	Success	68,974
Aug 20, 2025 08:40	t19783199	CPPg++13.3.0	Success	66,180+151.10 RP
Aug 19, 2025 21:33	Adam Folwarczny	CPPg++13.3.0	Success	33,795
Aug 19, 2025 21:29	Adam Folwarczny	CPPg++13.3.0	Success	33,766+7.07 RP
Aug 19, 2025 21:26	Adam Folwarczny	CPPg++13.3.0	Error
Aug 19, 2025 21:20	Adam Folwarczny	CPPg++13.3.0	Success	37,143
Aug 19, 2025 21:18	Adam Folwarczny	CPPg++13.3.0	Success	35,712
Aug 19, 2025 21:17	Adam Folwarczny	CPPg++13.3.0	Success	34,592+43.63 RP
Aug 19, 2025 21:15	Adam Folwarczny	CPPg++13.3.0	Error
Aug 19, 2025 21:10	Adam Folwarczny	CPPg++13.3.0	Error
Aug 19, 2025 20:21	Adam Folwarczny	CPPg++13.3.0	Success	70,768
Aug 19, 2025 20:17	Adam Folwarczny	CPPg++13.3.0	Success	99,946
Aug 19, 2025 20:14	Adam Folwarczny	CPPg++13.3.0	Success	56,135
Aug 19, 2025 20:13	Adam Folwarczny	CPPg++13.3.0	Success	57,303
Aug 19, 2025 20:06	Adam Folwarczny	CPPg++13.3.0	Error
Aug 19, 2025 08:58	Ashish Ahuja	CPPg++13.3.0	Success	2,149,022
Aug 19, 2025 08:23	Ashish Ahuja	CPPg++13.3.0	Success	10,435
Aug 19, 2025 08:17	Ashish Ahuja	CPPg++13.3.0	Success	10,447
Aug 19, 2025 07:13	Joseph Ferano	CPPg++13.3.0	Success	2,066,395+4.84 RP
Aug 19, 2025 06:27	Ashish Ahuja	CPPg++13.3.0	Success	10,557
Aug 19, 2025 06:26	Ashish Ahuja	CPPg++13.3.0	Success	10,550
Aug 19, 2025 06:16	Ashish Ahuja	CPPg++13.3.0	Success	10,395+5.61 RP
Aug 19, 2025 05:15	Ashish Ahuja	CPPg++13.3.0	Success	10,519
Aug 19, 2025 02:48	Ashish Ahuja	CPPg++13.3.0	Success	10,498
Aug 19, 2025 02:44	Ashish Ahuja	CPPg++13.3.0	Success	10,456+2.65 RP
Aug 18, 2025 22:43	Leon Zhao	CPPg++13.3.0	Success	11,688
Aug 18, 2025 22:33	Leon Zhao	CPPg++13.3.0	Success	11,611
Aug 18, 2025 22:31	Leon Zhao	CPPg++13.3.0	Success	11,670
Aug 18, 2025 21:15	Adam Folwarczny	CPPg++13.3.0	Success	40,741+10.10 RP
Aug 18, 2025 21:04	Adam Folwarczny	CPPg++13.3.0	Success	42,489+13.83 RP
Aug 18, 2025 21:02	Adam Folwarczny	CPPg++13.3.0	Success	45,142+1.84 RP
Aug 18, 2025 21:01	Adam Folwarczny	CPPg++13.3.0	Error
Aug 18, 2025 21:00	Adam Folwarczny	CPPg++13.3.0	Success	45,912
Aug 18, 2025 20:57	Adam Folwarczny	CPPg++13.3.0	Error
Aug 18, 2025 20:52	S	CPPg++13.3.0	Success	2,065,678+4.84 RP
Aug 18, 2025 20:45	Adam Folwarczny	CPPg++13.3.0	Error
Aug 18, 2025 20:40	Adam Folwarczny	CPPg++13.3.0	Error
Aug 18, 2025 20:38	Adam Folwarczny	CPPg++13.3.0	Error
Aug 18, 2025 20:38	Adam Folwarczny	CPPg++13.3.0	Success	176,819
Aug 18, 2025 20:36	Adam Folwarczny	CPPg++13.3.0	Error
Aug 18, 2025 20:35	Adam Folwarczny	CPPg++13.3.0	Error
Aug 18, 2025 20:24	Adam Folwarczny	CPPg++13.3.0	Error
Aug 18, 2025 20:05	Adam Folwarczny	CPPg++13.3.0	Error
Aug 18, 2025 20:02	Adam Folwarczny	CPPg++13.3.0	Error
Aug 18, 2025 19:40	Adam Folwarczny	CPPg++13.3.0	Success	2,084,843
Aug 18, 2025 17:30	Aniruddha Deb	CPPg++13.3.0	Error
Aug 18, 2025 13:37	Ashish Ahuja	CPPg++13.3.0	Success	11,033
Aug 18, 2025 13:34	Ashish Ahuja	CPPg++13.3.0	Success	11,233
Aug 18, 2025 13:16	Ashish Ahuja	CPPg++13.3.0	Success	10,485+38.41 RP
Aug 18, 2025 13:09	Ashish Ahuja	CPPg++13.3.0	Success	10,987
Aug 18, 2025 13:08	Ashish Ahuja	CPPg++13.3.0	Success	11,011
Aug 18, 2025 13:08	Ashish Ahuja	CPPg++13.3.0	Success	11,197
Aug 18, 2025 13:07	Ashish Ahuja	CPPg++13.3.0	Success	10,998
Aug 18, 2025 13:06	Ashish Ahuja	CPPg++13.3.0	Success	11,047
Aug 18, 2025 13:06	Ashish Ahuja	CPPg++13.3.0	Success	11,025
Aug 18, 2025 13:04	Ashish Ahuja	CPPg++13.3.0	Success	12,244
Aug 18, 2025 13:02	Ashish Ahuja	CPPg++13.3.0	Success	11,168
Aug 18, 2025 12:57	Ashish Ahuja	CPPg++13.3.0	Success	10,925+3.09 RP
Aug 18, 2025 12:56	Ashish Ahuja	CPPg++13.3.0	Success	10,962+1.08 RP
Aug 18, 2025 12:54	Ashish Ahuja	CPPg++13.3.0	Success	10,975+2.73 RP

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