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
Sep 6, 2026 12:13	Kevin Heavey	CPPg++10.5.0	Success	3,643
Sep 6, 2026 12:11	Kevin Heavey	CPPg++10.5.0	Success	3,791
Sep 6, 2026 12:10	CheckHarry	CPPg++14.2.0	Success	3,999
Sep 6, 2026 12:10	CheckHarry	CPPg++14.2.0	Success	4,002
Sep 6, 2026 12:10	CheckHarry	CPPg++14.2.0	Success	4,014
Sep 6, 2026 12:10	CheckHarry	CPPg++14.2.0	Success	3,995
Sep 6, 2026 12:09	Kevin Heavey	GOgo1.26.2	Success	3,539
Sep 6, 2026 12:07	Kevin Heavey	CPPg++10.5.0	Success	3,822
Sep 6, 2026 12:05	Kevin Heavey	CPPg++10.5.0	Success	3,588
Sep 6, 2026 12:03	Kevin Heavey	GOgo1.26.2	Success	3,540
Sep 6, 2026 12:02	Kevin Heavey	CPPg++10.5.0	Success	3,534
Sep 6, 2026 11:59	Kevin Heavey	GOgo1.26.2	Success	3,546
Sep 6, 2026 11:57	Kevin Heavey	CPPg++10.5.0	Success	3,750
Sep 6, 2026 11:55	Kevin Heavey	CPPg++10.5.0	Success	3,713
Sep 6, 2026 11:54	CheckHarry	CPPg++14.2.0	Success	3,825
Sep 6, 2026 11:54	CheckHarry	CPPg++14.2.0	Success	10,023
Sep 6, 2026 11:54	CheckHarry	CPPg++14.2.0	Success	6,623
Sep 6, 2026 11:54	CheckHarry	CPPg++14.2.0	Success	6,491
Sep 6, 2026 11:54	CheckHarry	CPPg++14.2.0	Success	6,558
Sep 6, 2026 11:53	Kevin Heavey	CPPg++10.5.0	Success	3,576
Sep 6, 2026 11:52	Kevin Heavey	CPPg++10.5.0	Success	3,815
Sep 6, 2026 11:49	Kevin Heavey	GOgo1.26.2	Success	3,534
Sep 6, 2026 11:48	Kevin Heavey	CPPg++10.5.0	Success	3,683
Sep 6, 2026 11:46	Kevin Heavey	CPPg++10.5.0	Success	3,656
Sep 6, 2026 11:24	Kevin Heavey	GOgo1.26.2	Success	3,549
Sep 6, 2026 11:23	Kevin Heavey	RUSTrust-1.95.0	Success	3,776
Sep 6, 2026 11:21	Kevin Heavey	CPPg++10.5.0	Success	3,762
Sep 6, 2026 11:18	Kevin Heavey	ZIG0.15.1	Success	3,551
Sep 6, 2026 11:14	Kevin Heavey	ZIG0.15.1	Success	3,561
Sep 6, 2026 11:12	Kevin Heavey	CPPg++10.5.0	Success	3,845
Sep 6, 2026 11:11	Kevin Heavey	RUSTrust-1.95.0	Success	3,614
Sep 6, 2026 11:08	Kevin Heavey	GOgo1.26.2	Success	3,559
Sep 6, 2026 11:07	Kevin Heavey	RUSTrust-1.95.0	Success	3,731
Sep 6, 2026 11:03	Kevin Heavey	ZIG0.15.1	Success	3,554
Sep 6, 2026 11:01	Kevin Heavey	GOgo1.26.2	Success	3,542
Sep 6, 2026 10:59	Kevin Heavey	CPPg++10.5.0	Success	3,858
Sep 6, 2026 10:58	Kevin Heavey	CPPg++10.5.0	Success	3,842
Sep 6, 2026 10:55	Kevin Heavey	GOgo1.26.2	Success	3,738
Sep 6, 2026 10:52	Kevin Heavey	ZIG0.15.1	Success	3,556
Sep 6, 2026 10:50	Kevin Heavey	RUSTrust-1.95.0	Success	3,560
Sep 6, 2026 10:46	Kevin Heavey	ZIG0.15.1	Success	3,553
Sep 6, 2026 10:45	Kevin Heavey	CPPg++10.5.0	Success	3,857
Sep 6, 2026 10:43	Kevin Heavey	RUSTrust-1.95.0	Success	3,613
Sep 6, 2026 10:41	Kevin Heavey	GOgo1.26.2	Success	3,546
Sep 6, 2026 10:38	Kevin Heavey	GOgo1.26.2	Success	3,544
Sep 6, 2026 10:37	Kevin Heavey	RUSTrust-1.95.0	Success	3,696
Sep 6, 2026 10:35	Kevin Heavey	CPPg++10.5.0	Success	3,589
Sep 6, 2026 10:32	Kevin Heavey	ZIG0.15.1	Success	3,615
Sep 6, 2026 10:30	Kevin Heavey	RUSTrust-1.95.0	Success	3,742
Sep 6, 2026 10:26	Kevin Heavey	ZIG0.15.1	Success	3,671
Sep 6, 2026 10:24	Kevin Heavey	GOgo1.26.2	Success	3,540
Sep 6, 2026 10:22	Kevin Heavey	CPPg++10.5.0	Success	3,810
Sep 6, 2026 10:21	Kevin Heavey	CPPg++10.5.0	Success	3,739
Sep 6, 2026 10:19	Kevin Heavey	GOgo1.26.2	Success	3,532
Sep 6, 2026 10:15	Kevin Heavey	ZIG0.15.1	Success	3,548
Sep 6, 2026 10:13	Kevin Heavey	RUSTrust-1.95.0	Success	3,538
Sep 6, 2026 10:06	Kevin Heavey	CPPg++10.5.0	Success	3,757
Sep 6, 2026 10:05	Kevin Heavey	CPPg++10.5.0	Success	3,664
Sep 6, 2026 10:03	Kevin Heavey	CPPg++10.5.0	Success	3,843
Sep 6, 2026 10:02	Kevin Heavey	CPPg++10.5.0	Success	3,766
Sep 6, 2026 09:40	Kevin Heavey	RUSTrust-1.95.0	Success	3,534+7.19 RP
Sep 6, 2026 09:38	Kevin Heavey	GOgo1.26.2	Success	3,563
Sep 6, 2026 09:36	Kevin Heavey	RUSTrust-1.95.0	Success	3,748
Sep 6, 2026 09:32	Kevin Heavey	ZIG0.15.1	Success	3,805
Sep 6, 2026 09:29	Kevin Heavey	GOgo1.26.2	Success	3,554
Sep 6, 2026 09:28	Kevin Heavey	CPPg++10.5.0	Success	3,817
Sep 6, 2026 09:26	Kevin Heavey	CPPg++10.5.0	Success	3,850
Sep 6, 2026 09:24	Kevin Heavey	GOgo1.26.2	Success	3,547
Sep 6, 2026 09:20	Kevin Heavey	ZIG0.15.1	Success	3,554
Sep 6, 2026 09:18	Kevin Heavey	GOgo1.26.2	Success	3,565
Sep 6, 2026 09:14	Kevin Heavey	ZIG0.15.1	Success	3,542+3.98 RP
Sep 6, 2026 09:12	Kevin Heavey	CPPg++10.5.0	Success	3,841
Sep 6, 2026 09:11	Kevin Heavey	CPPg++10.5.0	Success	3,709
Sep 6, 2026 09:07	Kevin Heavey	ZIG0.15.1	Success	3,558
Sep 6, 2026 09:04	Kevin Heavey	GOgo1.26.2	Success	3,523+4.84 RP
Sep 6, 2026 09:01	Kevin Heavey	RUSTrust-1.95.0	Success	3,543+12.69 RP
Sep 6, 2026 08:56	Kevin Heavey	GOgo1.26.2	Success	3,526+215.04 RP
Sep 6, 2026 08:23	Kevin Heavey	ZIG0.15.1	Success	3,547+90.27 RP
Sep 6, 2026 08:04	CheckHarry	CPPg++14.2.0	Success	3,853
Sep 6, 2026 08:04	CheckHarry	CPPg++14.2.0	Success	4,210
Sep 6, 2026 08:04	CheckHarry	CPPg++14.2.0	Success	4,195
Sep 6, 2026 08:04	CheckHarry	CPPg++14.2.0	Success	4,188
Sep 6, 2026 07:53	CheckHarry	CPPg++14.2.0	Success	4,677
Sep 6, 2026 07:53	CheckHarry	CPPg++14.2.0	Success	4,779
Sep 6, 2026 07:52	CheckHarry	CPPg++14.2.0	Success	4,574
Sep 6, 2026 07:52	CheckHarry	CPPg++14.2.0	Success	3,868
Sep 6, 2026 07:52	CheckHarry	CPPg++14.2.0	Success	4,693
Sep 6, 2026 04:00	CheckHarry	CPPg++14.2.0	Success	3,855
Sep 6, 2026 04:00	CheckHarry	CPPg++14.2.0	Success	3,839
Sep 6, 2026 03:59	CheckHarry	CPPg++14.2.0	Success	3,929
Sep 6, 2026 03:50	CheckHarry	CPPg++14.2.0	Success	3,841
Sep 6, 2026 03:50	CheckHarry	CPPg++14.2.0	Success	3,882
Sep 6, 2026 03:50	CheckHarry	CPPg++14.2.0	Success	3,880
Sep 6, 2026 03:50	CheckHarry	CPPg++14.2.0	Success	3,875
Sep 6, 2026 03:40	CheckHarry	CPPg++14.2.0	Success	3,847
Sep 6, 2026 03:40	CheckHarry	CPPg++14.2.0	Success	3,825+6.14 RP
Sep 6, 2026 03:40	CheckHarry	CPPg++14.2.0	Success	3,912
Sep 6, 2026 03:40	CheckHarry	CPPg++14.2.0	Success	3,964
Sep 6, 2026 03:31	CheckHarry	CPPg++14.2.0	Success	3,952
Sep 6, 2026 03:31	CheckHarry	CPPg++14.2.0	Success	4,000

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