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
Sep 16, 2021 20:40	Malik Shamsutdinov	RUSTrust-1.55.0	Success	111,786
Sep 16, 2021 20:37	Malik Shamsutdinov	RUSTrust-1.55.0	Success	110,922
Sep 16, 2021 20:35	Malik Shamsutdinov	RUSTrust-1.55.0	Success	105,106+1.03 RP
Sep 16, 2021 20:33	Malik Shamsutdinov	RUSTrust-1.55.0	Success	106,261+66.38 RP
Sep 16, 2021 04:16	Dias	GOgo1.17.1	Success	364,102+27.46 RP
Sep 15, 2021 22:38	Malik Shamsutdinov	RUSTrust-1.55.0	Success	364,607
Sep 15, 2021 22:05	Malik Shamsutdinov	RUSTrust-1.55.0	Error
Sep 15, 2021 22:03	Malik Shamsutdinov	RUSTrust-1.55.0	Error
Sep 15, 2021 20:06	Malik Shamsutdinov	RUSTrust-1.55.0	Success	835,170
Sep 15, 2021 19:26	Malik Shamsutdinov	RUSTrust-1.55.0	Success	360,584+2.77 RP
Sep 15, 2021 11:54	Malik Shamsutdinov	RUSTrust-1.55.0	Success	400,536+24.97 RP
Sep 10, 2021 06:23	Andrey Tsvetkov	GOgo1.17.1	Success	33,201
Sep 10, 2021 06:23	Andrey Tsvetkov	GOgo1.17.1	Success	43,899
Sep 10, 2021 06:22	Andrey Tsvetkov	GOgo1.17.1	Success	89,931
Sep 10, 2021 06:22	Andrey Tsvetkov	GOgo1.17.1	Success	89,930
Sep 10, 2021 06:22	Andrey Tsvetkov	GOgo1.17.1	Success	67,672
Sep 10, 2021 06:20	Andrey Tsvetkov	GOgo1.14.15	Success	32,705
Sep 10, 2021 06:19	Andrey Tsvetkov	GOgo1.14.15	Success	32,657+0.04 RP
Sep 10, 2021 06:18	Andrey Tsvetkov	GOgo1.14.15	Success	32,793
Sep 10, 2021 06:18	Andrey Tsvetkov	GOgo1.14.15	Success	32,796
Sep 10, 2021 06:16	Andrey Tsvetkov	GOgo1.14.15	Success	32,788
Sep 10, 2021 06:14	Andrey Tsvetkov	GOgo1.14.15	Success	32,810
Sep 10, 2021 06:13	Andrey Tsvetkov	GOgo1.14.15	Success	32,820
Sep 10, 2021 06:12	Andrey Tsvetkov	GOgo1.14.15	Success	32,895
Sep 10, 2021 06:12	Andrey Tsvetkov	GOgo1.14.15	Success	32,839
Sep 10, 2021 06:11	Andrey Tsvetkov	GOgo1.14.15	Success	64,680
Sep 10, 2021 06:09	Andrey Tsvetkov	GOgo1.14.15	Success	33,353
Sep 10, 2021 06:09	Andrey Tsvetkov	GOgo1.14.15	Success	34,437
Sep 10, 2021 06:07	Andrey Tsvetkov	GOgo1.14.15	Success	36,582
Sep 10, 2021 06:06	Andrey Tsvetkov	GOgo1.14.15	Success	41,805
Sep 10, 2021 06:04	Andrey Tsvetkov	GOgo1.14.15	Success	41,535
Sep 10, 2021 06:03	Andrey Tsvetkov	GOgo1.14.15	Success	42,835
Sep 10, 2021 06:02	Andrey Tsvetkov	GOgo1.14.15	Success	41,531
Sep 10, 2021 06:01	Andrey Tsvetkov	GOgo1.14.15	Success	41,543
Sep 10, 2021 06:01	Andrey Tsvetkov	GOgo1.14.15	Success	41,539
Sep 10, 2021 06:00	Andrey Tsvetkov	GOgo1.14.15	Success	41,535
Sep 10, 2021 05:59	Andrey Tsvetkov	GOgo1.14.15	Success	41,540
Sep 10, 2021 05:58	Andrey Tsvetkov	GOgo1.14.15	Error
Sep 10, 2021 05:54	Andrey Tsvetkov	GOgo1.14.15	Error
Sep 9, 2021 20:58	Alexey	CPPg++9.3.0	Error
Sep 9, 2021 18:41	Andrey Tsvetkov	GOgo1.14.15	Success	41,538
Sep 9, 2021 18:34	Andrey Tsvetkov	GOgo1.14.15	Error
Sep 9, 2021 18:33	Andrey Tsvetkov	GOgo1.14.15	Success	32,854
Sep 9, 2021 18:30	Andrey Tsvetkov	GOgo1.14.15	Success	32,659+0.12 RP
Sep 9, 2021 18:30	Andrey Tsvetkov	GOgo1.14.15	Success	32,668
Sep 9, 2021 17:12	nulte	CPPg++9.3.0	Success	45,893+1.94 RP
Sep 9, 2021 17:00	nulte	CPPg++9.3.0	Success	46,306+16.37 RP
Sep 9, 2021 17:00	nulte	CPPg++9.3.0	Success	50,103+199.59 RP
Sep 9, 2021 16:16	Andrey Tsvetkov	GOgo1.14.15	Success	49,317
Sep 9, 2021 16:16	Andrey Tsvetkov	GOgo1.14.15	Success	46,100
Sep 9, 2021 16:15	Andrey Tsvetkov	GOgo1.14.15	Success	47,830
Sep 9, 2021 16:14	Andrey Tsvetkov	GOgo1.14.15	Success	55,673
Sep 9, 2021 16:14	Andrey Tsvetkov	GOgo1.14.15	Success	60,079
Sep 9, 2021 16:10	Andrey Tsvetkov	GOgo1.14.15	Success	42,693
Sep 9, 2021 16:04	Andrey Tsvetkov	GOgo1.14.15	Success	41,530
Sep 9, 2021 15:42	Andrey Tsvetkov	GOgo1.14.15	Success	32,665+2.20 RP
Sep 9, 2021 15:24	Andrey Tsvetkov	GOgo1.14.15	Success	32,887
Sep 9, 2021 15:19	Andrey Tsvetkov	GOgo1.14.15	Success	32,783+2.96 RP
Sep 9, 2021 15:14	Andrey Tsvetkov	GOgo1.14.15	Success	90,687
Sep 9, 2021 15:12	Andrey Tsvetkov	GOgo1.16.7	Success	33,513
Sep 9, 2021 14:08	Andrey Tsvetkov	GOgo1.13.8	Success	33,010
Sep 9, 2021 14:07	Andrey Tsvetkov	GOgo1.12	Success	33,324
Sep 9, 2021 14:06	Andrey Tsvetkov	GOgo1.10	Success	34,462
Sep 9, 2021 14:00	Andrey Tsvetkov	GOgo1.17	Success	33,186
Sep 9, 2021 13:56	Andrey Tsvetkov	GOgo1.13.15	Success	32,943+1.80 RP
Sep 9, 2021 12:30	Andrey Tsvetkov	GOgo1.13.15	Success	33,324
Sep 9, 2021 12:25	Andrey Tsvetkov	GOgo1.13.15	Success	33,378
Sep 9, 2021 12:20	Andrey Tsvetkov	GOgo1.13.15	Success	33,048
Sep 9, 2021 12:19	Andrey Tsvetkov	GOgo1.13.15	Success	33,697
Sep 9, 2021 12:17	Andrey Tsvetkov	GOgo1.13.15	Success	33,114
Sep 9, 2021 12:17	Andrey Tsvetkov	GOgo1.13.15	Success	33,041+0.08 RP
Sep 9, 2021 12:08	Andrey Tsvetkov	GOgo1.13.15	Success	64,030
Sep 9, 2021 12:07	Andrey Tsvetkov	GOgo1.13.15	Success	33,596
Sep 9, 2021 12:06	Andrey Tsvetkov	GOgo1.13.15	Success	33,049
Sep 9, 2021 12:05	Andrey Tsvetkov	GOgo1.13.15	Success	33,154
Sep 9, 2021 12:03	Andrey Tsvetkov	GOgo1.13.15	Success	33,094
Sep 9, 2021 11:59	Andrey Tsvetkov	GOgo1.13.15	Success	33,045+0.10 RP
Sep 9, 2021 11:58	Andrey Tsvetkov	GOgo1.13.15	Success	33,051+2.08 RP
Sep 9, 2021 11:55	Andrey Tsvetkov	GOgo1.13.15	Success	33,165+0.38 RP
Sep 9, 2021 11:54	Andrey Tsvetkov	GOgo1.13.15	Success	33,197
Sep 9, 2021 11:51	Andrey Tsvetkov	GOgo1.13.15	Success	33,256
Sep 9, 2021 11:50	Andrey Tsvetkov	GOgo1.13.15	Error
Sep 9, 2021 11:45	Andrey Tsvetkov	GOgo1.13.15	Error
Sep 9, 2021 11:40	Andrey Tsvetkov	GOgo1.13.15	Success	33,186+0.32 RP
Sep 9, 2021 11:35	Andrey Tsvetkov	GOgo1.13.15	Success	33,204+0.98 RP
Sep 9, 2021 11:29	Andrey Tsvetkov	GOgo1.13.15	Success	33,258+0.10 RP
Sep 9, 2021 11:29	Andrey Tsvetkov	GOgo1.17	Success	34,836
Sep 9, 2021 11:27	Andrey Tsvetkov	GOgo1.13	Success	33,264+5.10 RP
Sep 9, 2021 11:26	Andrey Tsvetkov	GOgo1.13	Success	33,694
Sep 9, 2021 11:25	Andrey Tsvetkov	GOgo1.13	Success	35,426
Sep 9, 2021 11:25	Andrey Tsvetkov	GOgo1.13	Success	39,115
Sep 9, 2021 11:24	Andrey Tsvetkov	GOgo1.13	Success	42,302
Sep 9, 2021 11:23	Andrey Tsvetkov	GOgo1.13	Success	43,551
Sep 9, 2021 00:10	Alexey	CPPg++9.3.0	Error
Sep 9, 2021 00:10	Alexey	CPPg++9.3.0	Error
Sep 9, 2021 00:08	Alexey	CPPg++9.3.0	Error
Sep 8, 2021 23:47	Alexey	CPPg++9.3.0	Success	487,565
Sep 8, 2021 23:33	Alexey	CPPg++9.3.0	Success	475,668
Sep 8, 2021 23:32	Alexey	CPPg++9.3.0	Error
Sep 8, 2021 22:15	Yurkov Aleksey	CPPclang++10.0.0	Success	42,558

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