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
Feb 25, 2025 21:01	haiwwkes	CPPclang++18.1.3	Success	55,735+19.18 RP
Feb 25, 2025 20:59	haiwwkes	CPPclang++18.1.3	Success	179,945
Feb 25, 2025 08:02	alfaix	CPPclang++18.1.3	Success	51,650+38.06 RP
Feb 24, 2025 16:41	HighFreqBandit	CPPclang++18.1.3	Success	112,221+1.62 RP
Feb 24, 2025 16:37	HighFreqBandit	CPPclang++18.1.3	Success	114,305+87.49 RP
Feb 23, 2025 21:40	alfaix	CPPclang++18.1.3	Success	64,467
Feb 23, 2025 21:38	alfaix	CPPclang++18.1.3	Success	64,298
Feb 23, 2025 21:25	alfaix	CPPclang++18.1.3	Success	71,463
Feb 23, 2025 21:16	alfaix	CPPclang++18.1.3	Success	64,289+0.22 RP
Feb 23, 2025 21:11	alfaix	CPPclang++18.1.3	Success	64,380+0.14 RP
Feb 23, 2025 21:11	alfaix	CPPclang++18.1.3	Success	64,438+23.13 RP
Feb 23, 2025 20:53	Aniruddha Deb	CPPg++13.2.0	Success	23,182
Feb 23, 2025 20:52	Aniruddha Deb	CPPg++13.2.0	Success	22,981
Feb 23, 2025 20:52	Aniruddha Deb	CPPg++13.2.0	Error
Feb 23, 2025 15:46	Andrew	CPPclang++18.1.3	Success	65,460
Feb 23, 2025 15:45	Andrew	CPPclang++18.1.3	Success	65,448
Feb 23, 2025 15:43	Andrew	CPPclang++18.1.3	Success	90,490
Feb 23, 2025 15:31	Andrew	CPPclang++18.1.3	Error
Feb 23, 2025 15:30	Andrew	CPPclang++18.1.3	Success	63,604+0.03 RP
Feb 23, 2025 15:28	Andrew	CPPclang++18.1.3	Success	63,618+12.41 RP
Feb 23, 2025 15:28	Andrew	CPPclang++18.1.3	Error
Feb 23, 2025 15:18	Andrew	CPPg++13.2.0	Success	80,546
Feb 23, 2025 15:00	Andrew	CPPclang++18.1.3	Success	69,071+138.72 RP
Feb 23, 2025 12:13	Aniruddha Deb	CPPg++13.2.0	Success	21,416
Feb 22, 2025 20:44	alfaix	CPPclang++18.1.3	Success	75,726+38.48 RP
Feb 22, 2025 20:40	alfaix	CPPclang++18.1.3	Success	106,866+9.59 RP
Feb 22, 2025 20:39	alfaix	CPPclang++18.1.3	Success	119,065+8.74 RP
Feb 22, 2025 19:43	alfaix	CPPclang++18.1.3	Success	132,886+0.53 RP
Feb 22, 2025 19:42	alfaix	CPPclang++18.1.3	Success	143,810
Feb 22, 2025 19:42	alfaix	CPPclang++18.1.3	Success	149,617
Feb 22, 2025 19:25	alfaix	CPPclang++18.1.3	Success	133,824+0.85 RP
Feb 22, 2025 19:06	alfaix	CPPclang++18.1.3	Success	135,369+8.20 RP
Feb 22, 2025 19:03	alfaix	CPPclang++18.1.3	Success	152,271+0.18 RP
Feb 22, 2025 18:48	alfaix	CPPclang++18.1.3	Success	152,681+1.14 RP
Feb 22, 2025 18:43	alfaix	CPPclang++18.1.3	Error
Feb 22, 2025 18:42	alfaix	CPPclang++18.1.3	Error
Feb 22, 2025 18:42	alfaix	CPPclang++18.1.3	Error
Feb 22, 2025 18:41	alfaix	CPPclang++18.1.3	Error
Feb 22, 2025 14:16	alfaix	CPPclang++18.1.3	Success	155,388+0.18 RP
Feb 22, 2025 14:07	alfaix	CPPclang++18.1.3	Success	155,813+3.20 RP
Feb 22, 2025 14:00	alfaix	CPPclang++18.1.3	Success	163,982+35.36 RP
Feb 22, 2025 13:59	alfaix	CPPclang++18.1.3	Error
Feb 22, 2025 13:58	alfaix	CPPclang++18.1.3	Error
Feb 21, 2025 20:30	Ian Mckibben	CPPclang++18.1.3	Success	29,973
Feb 21, 2025 20:28	Ian Mckibben	CPPclang++18.1.3	Error
Feb 21, 2025 19:50	alfaix	CPPclang++18.1.3	Success	1,825,265
Feb 21, 2025 19:43	Ian Mckibben	CPPclang++18.1.3	Error
Feb 21, 2025 19:41	Ian Mckibben	CPPclang++18.1.3	Error
Feb 21, 2025 19:23	Ian Mckibben	CPPclang++18.1.3	Error
Feb 21, 2025 19:22	Ian Mckibben	CPPclang++18.1.3	Error
Feb 21, 2025 18:56	alfaix	CPPclang++18.1.3	Error
Feb 21, 2025 18:55	alfaix	CPPclang++18.1.3	Error
Feb 21, 2025 18:46	alfaix	CPPclang++18.1.3	Success	390,287+20.15 RP
Feb 21, 2025 18:35	alfaix	CPPclang++18.1.3	Success	1,826,837+5.47 RP
Feb 20, 2025 21:30	Aniruddha Deb	CPPg++13.2.0	Success	21,415
Feb 20, 2025 21:26	Aniruddha Deb	CPPg++13.2.0	Success	21,019
Feb 20, 2025 20:59	Aniruddha Deb	CPPg++13.2.0	Success	22,710
Feb 18, 2025 16:20	Alex	CPPclang++18.1.3	Success	45,388
Feb 18, 2025 14:56	Alex	CPPclang++18.1.3	Success	45,162
Feb 18, 2025 14:56	Alex	CPPclang++18.1.3	Success	45,662
Feb 18, 2025 14:51	Alex	CPPclang++18.1.3	Success	46,011
Feb 18, 2025 14:51	Alex	CPPclang++18.1.3	Success	46,024
Feb 18, 2025 14:46	Alex	CPPclang++18.1.3	Success	43,939
Feb 18, 2025 14:46	Alex	CPPclang++18.1.3	Success	45,022
Feb 18, 2025 14:45	Alex	CPPclang++18.1.3	Error
Feb 18, 2025 14:44	Alex	CPPclang++18.1.3	Success	43,911
Feb 18, 2025 14:43	Alex	CPPclang++18.1.3	Success	55,781
Feb 18, 2025 14:42	Alex	CPPclang++18.1.3	Success	61,865
Feb 18, 2025 14:41	Alex	CPPclang++18.1.3	Success	61,902
Feb 18, 2025 14:39	Alex	CPPclang++18.1.3	Success	62,600
Feb 18, 2025 14:38	Alex	CPPclang++18.1.3	Error
Feb 18, 2025 14:30	Alex	CPPclang++18.1.3	Success	44,955
Feb 18, 2025 14:29	Alex	CPPclang++18.1.3	Error
Feb 18, 2025 14:27	Alex	CPPclang++18.1.3	Error
Feb 18, 2025 14:26	Alex	CPPclang++18.1.3	Success	44,378
Feb 18, 2025 11:52	Alex	CPPclang++18.1.3	Error
Feb 18, 2025 11:49	Alex	CPPclang++18.1.3	Error
Feb 18, 2025 11:47	Alex	CPPclang++18.1.3	Error
Feb 18, 2025 11:46	Alex	CPPclang++18.1.3	Error
Feb 18, 2025 11:43	Alex	CPPclang++18.1.3	Success	44,953
Feb 18, 2025 11:40	Alex	CPPclang++18.1.3	Success	43,885+5.30 RP
Feb 18, 2025 11:39	Alex	CPPg++13.2.0	Success	45,766
Feb 18, 2025 11:37	Alex	CPPclang++18.1.3	Success	44,931+32.48 RP
Feb 18, 2025 11:26	Alex	CPPclang++18.1.3	Success	52,608+3.11 RP
Feb 18, 2025 11:24	Alex	CPPclang++18.1.3	Success	53,482+186.98 RP
Feb 16, 2025 19:17	Ian Mckibben	CPPclang++18.1.3	Success	29,983
Feb 16, 2025 19:15	Ian Mckibben	CPPclang++18.1.3	Success	29,973+0.02 RP
Feb 16, 2025 19:15	Ian Mckibben	CPPclang++18.1.3	Success	29,985
Feb 16, 2025 19:12	Ian Mckibben	CPPclang++18.1.3	Success	29,990
Feb 16, 2025 19:11	Ian Mckibben	CPPclang++18.1.3	Success	29,995
Feb 16, 2025 19:10	Ian Mckibben	CPPclang++18.1.3	Success	29,975+0.17 RP
Feb 16, 2025 19:09	Ian Mckibben	CPPclang++18.1.3	Success	29,990+11.61 RP
Feb 16, 2025 19:08	Ian Mckibben	CPPclang++18.1.3	Error
Feb 16, 2025 19:06	Ian Mckibben	CPPclang++18.1.3	Success	31,082
Feb 15, 2025 13:49	Aniruddha Deb	CPPg++13.2.0	Success	20,943
Feb 15, 2025 13:48	Aniruddha Deb	CPPg++13.2.0	Success	20,936
Feb 15, 2025 13:47	Aniruddha Deb	CPPg++13.2.0	Success	20,934
Feb 15, 2025 13:46	Aniruddha Deb	CPPg++13.2.0	Success	20,819
Feb 15, 2025 13:46	Aniruddha Deb	CPPg++13.2.0	Success	20,705
Feb 15, 2025 13:44	Aniruddha Deb	CPPg++13.2.0	Success	20,640

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