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
Jan 13, 2025 05:30	Advait Iyer	CPPclang++18.1.3	Error
Jan 13, 2025 05:14	Advait Iyer	CPPg++13.2.0	Success	76,566
Jan 13, 2025 05:09	Advait Iyer	CPPclang++18.1.3	Success	66,305+0.26 RP
Jan 13, 2025 05:08	Advait Iyer	CPPclang++18.1.3	Success	66,635
Jan 13, 2025 05:08	Advait Iyer	CPPclang++18.1.3	Success	66,617
Jan 13, 2025 05:07	Ian Mckibben	CPPclang++18.1.3	Success	59,531
Jan 13, 2025 05:06	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 05:06	Advait Iyer	CPPclang++18.1.3	Success	66,421+0.02 RP
Jan 13, 2025 05:03	Advait Iyer	CPPclang++18.1.3	Error
Jan 13, 2025 04:50	Ian Mckibben	CPPclang++18.1.3	Success	63,278
Jan 13, 2025 04:50	Ian Mckibben	CPPclang++18.1.3	Success	408,504
Jan 13, 2025 04:49	Ian Mckibben	CPPclang++18.1.3	Success	721,629
Jan 13, 2025 04:48	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 04:47	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 04:47	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 04:44	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 04:41	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 04:39	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 04:34	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 04:26	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 04:24	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 04:23	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 04:22	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 04:20	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 04:19	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 04:19	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 04:18	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 04:17	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 04:16	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 04:13	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 04:10	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 04:09	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 03:59	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 03:58	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 03:55	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 03:50	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 03:45	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 03:43	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 03:39	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 03:37	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 03:34	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 03:33	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 03:30	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 03:27	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 03:23	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 03:21	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 03:18	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 03:18	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 03:16	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 03:15	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 03:13	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 03:11	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 02:30	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 02:30	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 02:28	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 02:28	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 02:24	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 02:23	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 02:23	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 02:22	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 02:18	Ian Mckibben	CPPclang++18.1.3	Error
Jan 13, 2025 02:15	Ian Mckibben	CPPg++13.2.0	Error
Jan 13, 2025 02:15	Ian Mckibben	CPPg++13.2.0	Error
Jan 13, 2025 02:14	Ian Mckibben	CPPg++13.2.0	Error
Jan 13, 2025 02:14	Ian Mckibben	CPPg++13.2.0	Error
Jan 13, 2025 02:14	Ian Mckibben	CPPg++13.2.0	Error
Jan 13, 2025 02:13	Ian Mckibben	CPPg++13.2.0	Error
Jan 13, 2025 02:12	Ian Mckibben	CPPg++13.2.0	Error
Jan 13, 2025 02:11	Ian Mckibben	CPPg++13.2.0	Error
Jan 13, 2025 02:10	Ian Mckibben	CPPg++13.2.0	Error
Jan 13, 2025 02:10	Ian Mckibben	CPPg++13.2.0	Error
Jan 13, 2025 02:09	Ian Mckibben	CPPg++13.2.0	Error
Jan 13, 2025 01:10	Ian Mckibben	CPPg++13.2.0	Error
Jan 12, 2025 22:35	Ian Mckibben	CPPg++13.2.0	Success	55,103
Jan 12, 2025 22:34	Ian Mckibben	CPPg++13.2.0	Error
Jan 12, 2025 22:32	Ian Mckibben	CPPg++13.2.0	Success	50,678
Jan 12, 2025 13:56	Aditya	CPPg++13.2.0	Success	77,373
Jan 12, 2025 13:55	Aditya	CPPg++13.2.0	Success	105,831
Jan 12, 2025 13:54	Aditya	CPPg++13.2.0	Success	106,163
Jan 12, 2025 13:53	Aditya	CPPg++13.2.0	Success	77,334+0.05 RP
Jan 12, 2025 13:52	Aditya	CPPg++13.2.0	Success	77,364+0.08 RP
Jan 12, 2025 13:52	Aditya	CPPg++13.2.0	Success	77,409+1.13 RP
Jan 12, 2025 13:51	Aditya	CPPg++13.2.0	Error
Jan 12, 2025 13:02	Aditya	CPPg++13.2.0	Error
Jan 12, 2025 13:02	Aditya	CPPg++13.2.0	Error
Jan 12, 2025 13:01	Aditya	CPPg++13.2.0	Error
Jan 12, 2025 13:00	Aditya	CPPg++13.2.0	Error
Jan 12, 2025 12:53	Aditya	CPPg++13.2.0	Error
Jan 12, 2025 12:52	Aditya	CPPg++13.2.0	Error
Jan 12, 2025 12:51	Aditya	CPPg++13.2.0	Error
Jan 12, 2025 12:43	Aditya	CPPg++13.2.0	Success	78,090+103.41 RP
Jan 12, 2025 12:41	Aditya	CPPg++13.2.0	Success	405,754+4.38 RP
Jan 12, 2025 12:38	Aditya	CPPg++13.2.0	Success	493,486+14.79 RP
Jan 12, 2025 12:35	Aditya	CPPg++13.2.0	Error
Jan 12, 2025 12:35	Aditya	CPPg++13.2.0	Error
Jan 12, 2025 12:31	Aditya	CPPg++13.2.0	Error
Jan 12, 2025 12:30	Aditya	CPPg++13.2.0	Success	1,827,531+5.47 RP
Jan 11, 2025 23:38	Ian Mckibben	CPPclang++18.1.3	Success	90,461
Jan 11, 2025 23:37	Ian Mckibben	CPPclang++18.1.3	Success	82,975
Jan 11, 2025 23:37	Ian Mckibben	CPPclang++18.1.3	Success	99,056

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