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
Feb 23, 2023 20:10	Unays	CPPg++9.3.0	Success	453,713+0.02 RP
Feb 22, 2023 22:27	Ignas Bagdonas	CPPclang++10.0.0	Success	38,061
Feb 22, 2023 22:22	Ignas Bagdonas	CPPclang++10.0.0	Error
Feb 22, 2023 22:20	Ignas Bagdonas	CPPclang++10.0.0	Error
Feb 22, 2023 20:43	Ignas Bagdonas	CPPclang++10.0.0	Success	37,819+264.42 RP
Feb 22, 2023 17:00	Unays	CPPg++9.3.0	Error
Feb 22, 2023 16:51	Unays	CPPg++9.3.0	Success	454,055+15.95 RP
Feb 22, 2023 16:18	Unays	CPPg++9.3.0	Success	1,645,915+6.08 RP
Feb 22, 2023 13:02	Arsen Abdusalamov	GOgo1.20.1	Success	99,582
Feb 22, 2023 12:40	Mike Debowers	CPPclang++10.0.0	Success	56,229
Feb 22, 2023 09:00	Arsen Abdusalamov	GOgo1.20.1	Success	97,825+0.59 RP
Feb 22, 2023 07:28	Arsen Abdusalamov	GOgo1.20.1	Success	98,392+25.99 RP
Feb 21, 2023 17:01	Arsen Abdusalamov	GOgo1.20.1	Error
Feb 21, 2023 17:00	Arsen Abdusalamov	GOgo1.20.1	Error
Feb 21, 2023 16:45	Arsen Abdusalamov	GOgo1.20.1	Success	132,204+50.45 RP
Feb 21, 2023 16:14	Mike Debowers	CPPclang++10.0.0	Success	59,994
Feb 21, 2023 16:08	Arsen Abdusalamov	GOgo1.20.1	Success	396,923+0.30 RP
Feb 21, 2023 16:07	Arsen Abdusalamov	GOgo1.20.1	Success	401,632+24.90 RP
Feb 21, 2023 13:43	qwikman1	CPPg++9.3.0	Success	1,641,777+6.09 RP
Feb 21, 2023 07:40	Saveliev Anton	GOgo1.20.1	Error
Feb 21, 2023 07:23	Roman	GOgo1.20.1	Success	250,683+39.89 RP
Feb 21, 2023 06:41	Saveliev Anton	GOgo1.20.1	Error
Feb 21, 2023 06:39	Saveliev Anton	GOgo1.20.1	Error
Feb 21, 2023 06:32	Saveliev Anton	GOgo1.20.1	Error
Feb 21, 2023 06:30	Saveliev Anton	GOgo1.20.1	Error
Feb 20, 2023 21:40	Иван Балашов	GOgo1.20.1	Error
Feb 20, 2023 21:38	Иван Балашов	GOgo1.20.1	Error
Feb 20, 2023 21:26	Иван Балашов	GOgo1.20.1	Success	250,295+39.95 RP
Feb 20, 2023 20:05	Mike Debowers	CPPclang++10.0.0	Success	55,811+12.30 RP
Feb 20, 2023 18:44	Mike Debowers	CPPclang++10.0.0	Success	59,923+48.77 RP
Feb 20, 2023 18:36	Mike Debowers	CPPclang++10.0.0	Success	84,665+0.10 RP
Feb 20, 2023 18:26	Mike Debowers	CPPclang++10.0.0	Success	84,740+118.01 RP
Feb 20, 2023 00:23	Oleg T	CPPclang++10.0.0	Success	33,639
Feb 20, 2023 00:22	Oleg T	CPPg++9.3.0	Success	36,338
Feb 19, 2023 22:20	Liam	RUSTrust-1.67.1	Success	76,064
Feb 19, 2023 22:15	Liam	RUSTrust-1.67.1	Success	84,518
Feb 19, 2023 22:14	Liam	RUSTrust-1.67.1	Success	107,060
Feb 19, 2023 22:14	Liam	RUSTrust-1.67.1	Success	104,998
Feb 19, 2023 22:09	Liam	RUSTrust-1.67.1	Success	86,646
Feb 19, 2023 22:07	Liam	RUSTrust-1.67.1	Success	86,644
Feb 19, 2023 21:58	Liam	RUSTrust-1.67.1	Success	54,204+3.15 RP
Feb 19, 2023 21:57	Liam	RUSTrust-1.67.1	Success	71,329
Feb 19, 2023 21:56	Liam	RUSTrust-1.67.1	Success	72,644
Feb 19, 2023 21:55	Liam	RUSTrust-1.67.1	Error
Feb 19, 2023 21:55	Liam	RUSTrust-1.67.1	Error
Feb 19, 2023 21:44	Liam	RUSTrust-1.67.1	Success	342,453
Feb 19, 2023 18:17	Oleg T	CPPclang++10.0.0	Success	33,408
Feb 19, 2023 12:51	Oleg T	CPPclang++10.0.0	Success	33,397+2.12 RP
Feb 19, 2023 12:50	Oleg T	CPPclang++10.0.0	Success	34,405
Feb 19, 2023 12:45	Oleg T	CPPclang++10.0.0	Success	41,152
Feb 19, 2023 12:43	Oleg T	CPPclang++10.0.0	Success	33,645
Feb 19, 2023 12:41	Oleg T	CPPclang++10.0.0	Error
Feb 19, 2023 12:41	Oleg T	CPPclang++10.0.0	Error
Feb 19, 2023 12:39	Oleg T	CPPclang++10.0.0	Error
Feb 19, 2023 12:31	Oleg T	CPPclang++10.0.0	Success	33,635+17.25 RP
Feb 19, 2023 12:22	Oleg T	CPPg++9.3.0	Success	36,298
Feb 19, 2023 12:14	Oleg T	CPPg++9.3.0	Success	38,925
Feb 19, 2023 12:13	Oleg T	CPPg++9.3.0	Success	36,575
Feb 19, 2023 12:13	Oleg T	CPPg++9.3.0	Error
Feb 19, 2023 12:12	Oleg T	CPPg++9.3.0	Error
Feb 19, 2023 12:12	Oleg T	CPPg++9.3.0	Error
Feb 19, 2023 12:11	Oleg T	CPPg++9.3.0	Success	36,756
Feb 19, 2023 12:09	Oleg T	CPPg++9.3.0	Success	36,840
Feb 19, 2023 12:09	Oleg T	CPPg++9.3.0	Success	35,707+1.24 RP
Feb 19, 2023 12:04	Oleg T	CPPg++9.3.0	Success	35,866+104.64 RP
Feb 19, 2023 12:03	Oleg T	CPPg++9.3.0	Error
Feb 19, 2023 12:00	Oleg T	CPPg++9.3.0	Error
Feb 19, 2023 11:59	Oleg T	CPPg++9.3.0	Error
Feb 19, 2023 11:58	Oleg T	CPPg++9.3.0	Error
Feb 19, 2023 11:57	Oleg T	CPPg++9.3.0	Success	57,414+7.43 RP
Feb 19, 2023 11:56	Oleg T	CPPg++9.3.0	Success	59,971
Feb 19, 2023 11:55	Oleg T	CPPg++9.3.0	Error
Feb 19, 2023 11:53	Oleg T	CPPg++9.3.0	Error
Feb 19, 2023 11:52	Oleg T	CPPg++9.3.0	Error
Feb 19, 2023 11:47	Oleg T	CPPg++9.3.0	Success	59,972+5.93 RP
Feb 19, 2023 10:26	Oleg T	CPPg++9.3.0	Success	62,185+0.84 RP
Feb 19, 2023 10:24	Oleg T	CPPg++9.3.0	Error
Feb 19, 2023 10:14	Saveliev Anton	GOgo1.20.1	Error
Feb 19, 2023 10:00	Saveliev Anton	GOgo1.20.1	Success	110,105+0.96 RP
Feb 19, 2023 09:55	Saveliev Anton	GOgo1.20.1	Success	111,277+3.70 RP
Feb 19, 2023 09:52	Saveliev Anton	GOgo1.20.1	Success	116,051+0.09 RP
Feb 19, 2023 09:51	Saveliev Anton	GOgo1.20.1	Success	116,178+20.27 RP
Feb 19, 2023 09:45	Saveliev Anton	GOgo1.20.1	Error
Feb 19, 2023 08:23	Saveliev Anton	GOgo1.20.1	Error
Feb 19, 2023 08:22	Saveliev Anton	GOgo1.20.1	Error
Feb 19, 2023 07:59	Saveliev Anton	GOgo1.20.1	Error
Feb 19, 2023 07:57	Saveliev Anton	GOgo1.20.1	Error
Feb 19, 2023 07:54	Saveliev Anton	GOgo1.20.1	Error
Feb 19, 2023 07:51	Saveliev Anton	GOgo1.20.1	Error
Feb 19, 2023 07:46	Saveliev Anton	GOgo1.20.1	Error
Feb 19, 2023 03:33	Milly	RUSTrust-1.67.0	Success	352,008+28.41 RP
Feb 19, 2023 03:31	Milly	RUSTrust-1.67.0	Error
Feb 18, 2023 21:28	Oleg T	CPPg++9.3.0	Success	90,087
Feb 18, 2023 21:26	Oleg T	CPPg++9.3.0	Success	90,069
Feb 18, 2023 21:24	Oleg T	CPPg++9.3.0	Error
Feb 18, 2023 21:18	Oleg T	CPPg++9.3.0	Success	67,775
Feb 18, 2023 21:13	Oleg T	CPPg++9.3.0	Success	62,510+153.96 RP
Feb 18, 2023 21:06	Oleg T	CPPg++9.3.0	Success	1,662,564+6.01 RP
Feb 18, 2023 17:26	Saveliev Anton	GOgo1.20.1	Error
Feb 18, 2023 17:21	Saveliev Anton	GOgo1.20.1	Error

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