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 17, 2026 19:15	Kevin Heavey	CPPclang++20.1.2	Success	3,946
Jul 17, 2026 19:14	Kevin Heavey	CPPclang++20.1.2	Success	3,962
Jul 17, 2026 19:12	Kevin Heavey	CPPclang++20.1.2	Success	3,935
Jul 17, 2026 18:59	boop34	CPPg++14.2.0	Success	9,938
Jul 17, 2026 18:37	Kevin Heavey	RUSTrust-1.95.0	Success	3,845
Jul 17, 2026 18:36	Kevin Heavey	RUSTrust-1.95.0	Success	3,925
Jul 17, 2026 18:33	Kevin Heavey	RUSTrust-1.95.0	Success	3,825
Jul 17, 2026 18:33	Kevin Heavey	RUSTrust-1.95.0	Success	3,674+17.66 RP
Jul 17, 2026 18:29	Kevin Heavey	RUSTrust-1.95.0	Success	3,866
Jul 17, 2026 16:17	Kevin Heavey	RUSTrust-1.95.0	Success	3,843
Jul 17, 2026 16:06	Kevin Heavey	RUSTrust-1.95.0	Success	3,741
Jul 17, 2026 16:06	Kevin Heavey	RUSTrust-1.95.0	Success	3,864
Jul 17, 2026 16:06	Kevin Heavey	RUSTrust-1.95.0	Success	3,813
Jul 17, 2026 16:06	Kevin Heavey	RUSTrust-1.95.0	Success	3,811
Jul 17, 2026 16:02	Kevin Heavey	RUSTrust-1.95.0	Success	3,752
Jul 17, 2026 16:02	Kevin Heavey	RUSTrust-1.95.0	Success	3,798
Jul 17, 2026 15:22	Kevin Heavey	CPPclang++20.1.2	Success	3,788
Jul 17, 2026 15:21	Kevin Heavey	CPPclang++20.1.2	Success	3,855
Jul 17, 2026 15:19	Kevin Heavey	CPPclang++20.1.2	Success	3,945
Jul 17, 2026 15:18	Kevin Heavey	CPPclang++20.1.2	Success	3,797
Jul 17, 2026 15:17	Kevin Heavey	CPPclang++20.1.2	Success	3,762
Jul 17, 2026 15:15	Kevin Heavey	CPPclang++20.1.2	Success	3,706
Jul 17, 2026 14:47	Kevin Heavey	CPPclang++20.1.2	Success	3,907
Jul 17, 2026 14:40	Kevin Heavey	CPPclang++20.1.2	Success	3,697
Jul 17, 2026 14:39	Kevin Heavey	CPPclang++20.1.2	Success	3,699
Jul 17, 2026 14:23	Kevin Heavey	CPPclang++20.1.2	Success	3,815
Jul 17, 2026 14:21	Kevin Heavey	CPPclang++20.1.2	Success	3,887
Jul 17, 2026 14:20	Kevin Heavey	CPPclang++20.1.2	Success	3,717
Jul 17, 2026 14:18	Kevin Heavey	CPPclang++20.1.2	Success	3,732
Jul 17, 2026 13:40	Kevin Heavey	CPPclang++20.1.2	Success	3,667+22.86 RP
Jul 17, 2026 13:40	Kevin Heavey	CPPclang++20.1.2	Success	3,710
Jul 17, 2026 13:40	Kevin Heavey	CPPclang++20.1.2	Success	3,730
Jul 17, 2026 04:41	Kevin Heavey	CPPclang++20.1.2	Success	3,755
Jul 17, 2026 04:13	Kevin Heavey	CPPclang++20.1.2	Success	4,006
Jul 17, 2026 04:13	Kevin Heavey	CPPclang++20.1.2	Success	3,846
Jul 17, 2026 03:53	Kevin Heavey	CPPclang++20.1.2	Success	3,703
Jul 17, 2026 03:52	Kevin Heavey	CPPclang++20.1.2	Success	3,786
Jul 17, 2026 03:51	Kevin Heavey	CPPclang++20.1.2	Success	3,739
Jul 17, 2026 03:37	Kevin Heavey	RUSTrust-1.95.0	Success	3,700
Jul 17, 2026 03:37	Kevin Heavey	RUSTrust-1.95.0	Success	3,761
Jul 17, 2026 03:30	Kevin Heavey	RUSTrust-1.95.0	Success	3,726
Jul 17, 2026 03:30	Kevin Heavey	RUSTrust-1.95.0	Success	3,718
Jul 17, 2026 03:30	Kevin Heavey	RUSTrust-1.95.0	Success	3,776
Jul 17, 2026 03:29	Kevin Heavey	RUSTrust-1.95.0	Success	3,768
Jul 17, 2026 03:00	Kevin Heavey	CPPclang++20.1.2	Success	3,725
Jul 17, 2026 02:34	Kevin Heavey	CPPclang++20.1.2	Success	3,747
Jul 17, 2026 01:04	Kevin Heavey	CPPclang++20.1.2	Success	3,809
Jul 17, 2026 00:57	Kevin Heavey	CPPclang++20.1.2	Success	3,865
Jul 17, 2026 00:50	Kevin Heavey	CPPclang++20.1.2	Success	3,849
Jul 17, 2026 00:43	Kevin Heavey	CPPclang++20.1.2	Success	3,810
Jul 17, 2026 00:37	Kevin Heavey	CPPclang++20.1.2	Success	3,759
Jul 17, 2026 00:19	Kevin Heavey	CPPclang++20.1.2	Success	3,754
Jul 16, 2026 23:53	Kevin Heavey	CPPclang++20.1.2	Success	3,804
Jul 16, 2026 23:45	Kevin Heavey	CPPclang++20.1.2	Success	3,746
Jul 16, 2026 23:36	Kevin Heavey	CPPclang++20.1.2	Success	3,742
Jul 16, 2026 23:20	Kevin Heavey	CPPclang++20.1.2	Success	3,741
Jul 16, 2026 23:03	Kevin Heavey	CPPclang++20.1.2	Success	3,761
Jul 16, 2026 22:52	Kevin Heavey	CPPclang++20.1.2	Success	3,781
Jul 16, 2026 22:27	Kevin Heavey	CPPclang++20.1.2	Success	3,790
Jul 16, 2026 22:17	Kevin Heavey	CPPclang++20.1.2	Success	3,788
Jul 16, 2026 22:02	Kevin Heavey	CPPclang++20.1.2	Success	3,797
Jul 16, 2026 21:05	Kevin Heavey	CPPclang++20.1.2	Success	3,814
Jul 16, 2026 17:16	boop34	CPPg++14.2.0	Success	9,040
Jul 16, 2026 17:06	boop34	CPPg++14.2.0	Success	9,022
Jul 16, 2026 17:04	boop34	CPPg++14.2.0	Success	9,236
Jul 16, 2026 16:41	boop34	CPPg++14.2.0	Success	9,041
Jul 16, 2026 16:36	boop34	CPPg++14.2.0	Error
Jul 16, 2026 15:47	boop34	CPPg++14.2.0	Error
Jul 16, 2026 15:45	boop34	CPPg++14.2.0	Error
Jul 16, 2026 13:50	Kevin Heavey	RUSTrust-1.97.0	Success	3,937
Jul 16, 2026 10:49	Daniel Mastalerz	CPPclang++20.1.2	Success	4,310+484.31 RP
Jul 16, 2026 10:49	Daniel Mastalerz	CPPclang++20.1.2	Error
Jul 16, 2026 09:12	boop34	CPPg++14.2.0	Success	8,999
Jul 16, 2026 09:11	boop34	CPPg++14.2.0	Success	9,139
Jul 16, 2026 09:09	boop34	CPPg++14.2.0	Success	9,126
Jul 16, 2026 09:07	boop34	CPPg++14.2.0	Success	9,226
Jul 16, 2026 09:06	boop34	CPPg++14.2.0	Success	9,335
Jul 16, 2026 09:04	boop34	CPPg++14.2.0	Success	9,015
Jul 16, 2026 09:02	boop34	CPPg++14.2.0	Success	9,031
Jul 16, 2026 09:00	boop34	CPPg++14.2.0	Success	9,009
Jul 16, 2026 08:46	boop34	CPPg++14.2.0	Success	8,956+1.62 RP
Jul 16, 2026 08:11	wn	CPPg++14.2.0	Success	3,326
Jul 16, 2026 08:10	wn	CPPg++14.2.0	Success	3,314
Jul 16, 2026 08:09	wn	CPPg++14.2.0	Success	3,350
Jul 16, 2026 08:07	wn	CPPg++14.2.0	Success	3,711
Jul 16, 2026 08:05	wn	CPPg++14.2.0	Success	3,837
Jul 16, 2026 08:04	wn	CPPg++14.2.0	Success	3,699
Jul 16, 2026 08:01	wn	CPPg++14.2.0	Success	3,709
Jul 16, 2026 08:00	wn	CPPg++14.2.0	Success	3,719
Jul 16, 2026 08:00	wn	CPPg++14.2.0	Success	3,721
Jul 16, 2026 07:59	wn	CPPg++13.3.0	Success	3,722
Jul 16, 2026 07:58	wn	CPPg++13.3.0	Success	3,721
Jul 16, 2026 07:57	wn	CPPg++13.3.0	Success	3,728
Jul 16, 2026 07:54	wn	CPPg++13.3.0	Success	3,972
Jul 16, 2026 07:53	wn	CPPg++13.3.0	Success	3,969
Jul 16, 2026 07:52	wn	CPPg++13.3.0	Success	3,977
Jul 16, 2026 07:46	wn	CPPg++13.3.0	Success	3,524
Jul 16, 2026 07:44	wn	CPPg++13.3.0	Success	3,548
Jul 16, 2026 07:43	wn	CPPg++13.3.0	Success	3,546
Jul 16, 2026 05:42	(James) Kanin Kearpimy	CPPg++10.5.0	Success	89,000+112.36 RP

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